Taskmgr.exe
- File Path:
C:\Windows\system32\Taskmgr.exe - Description: Task Manager
Screenshot
Hashes
| Type | Hash |
|---|---|
| MD5 | BBDA546A4ABF0D49C7F67EF9F8FE1E61 |
| SHA1 | 68183C4C677633D422248C3EF8EBCDDE138C4025 |
| SHA256 | 83C76DB0CC6940E9C653F346A560090BE2B782168B3E04AD8BBAC791D33272FA |
| SHA384 | B19A0ED92DDCE442BC5E71544D1E5948677318F7A6F8C59729384686DCBDEAFE0FC60B9F8DB81842149BA747D478F207 |
| SHA512 | 36B1F18202892D83904A4C5252C101924897D332799F094712EA3CB853A24080751D7131CC725A6AC845E6F28AB77DDD1467229BABD795DFAEF211628FC2A4A6 |
| SSDEEP | 24576:yXt9CnmDYfI0q1F39GCchAdaamxka+KvgUHg05n421d1WUq:UHuI0q1F39Ahdka+KVg05n421d1w |
| IMP | 6C979042BFB94D319299531016A3C673 |
| PESHA1 | 3152209B5A9108D8FA0DCF7D515021DDDF10362E |
| PE256 | 1C6E04E6CD0C42A3331B64DDEE5B93B22F1B24294B38DD67E46F95654DE1ABC7 |
Runtime Data
Child Processes:
explorer.exe
Window Title:
Task Manager
Open Handles:
| Path | Type |
|---|---|
| (R-D) C:\Windows\Fonts\StaticCache.dat | File |
| (R-D) C:\Windows\System32\en-US\oleaccrc.dll.mui | File |
| (R-D) C:\Windows\System32\en-US\propsys.dll.mui | File |
| (R-D) C:\Windows\System32\en-US\Taskmgr.exe.mui | File |
| (R-D) C:\Windows\SystemResources\Taskmgr.exe.mun | File |
| (RW-) C:\Users\user | File |
| (RW-) C:\Windows\WinSxS\amd64_microsoft.windows.common-controls_6595b64144ccf1df_6.0.19041.488_none_ca04af081b815d21 | File |
| (RWD) C:\Users\user\AppData\Local\Microsoft\Windows\Explorer\iconcache_16.db | File |
| (RWD) C:\Users\user\AppData\Local\Microsoft\Windows\Explorer\iconcache_idx.db | File |
| \BaseNamedObjects__ComCatalogCache__ | Section |
| \BaseNamedObjects\C:*ProgramData*Microsoft*Windows*Caches*{6AF0698E-D558-4F6E-9B3C-3716689AF493}.2.ver0x0000000000000002.db | Section |
| \BaseNamedObjects\C:*ProgramData*Microsoft*Windows*Caches*{DDF571F2-BE98-426D-8288-1A9A39C3FDA2}.2.ver0x0000000000000002.db | Section |
| \BaseNamedObjects\C:*ProgramData*Microsoft*Windows*Caches*cversions.2 | Section |
| \BaseNamedObjects\NLS_CodePage_1252_3_2_0_0 | Section |
| \BaseNamedObjects\NLS_CodePage_437_3_2_0_0 | Section |
| \Sessions\1\BaseNamedObjects\C:*Users*user*AppData*Local*Microsoft*Windows*Caches*{3DA71D5A-20CC-432F-A115-DFE92379E91F}.3.ver0x0000000000000008.db | Section |
| \Sessions\1\BaseNamedObjects\C:*Users*user*AppData*Local*Microsoft*Windows*Caches*cversions.3.ro | Section |
| \Sessions\1\BaseNamedObjects\SessionImmersiveColorPreference | Section |
| \Sessions\1\BaseNamedObjects\windows_shell_global_counters | Section |
| \Sessions\1\Windows\Theme1800662698 | Section |
| \Windows\Theme722103516 | Section |
Loaded Modules:
| Path |
|---|
| C:\Windows\System32\advapi32.dll |
| C:\Windows\System32\bcrypt.dll |
| C:\Windows\System32\cfgmgr32.dll |
| C:\Windows\System32\combase.dll |
| C:\Windows\system32\credui.dll |
| C:\Windows\system32\d3d11.dll |
| C:\Windows\system32\d3d12.dll |
| C:\Windows\system32\DUI70.dll |
| C:\Windows\system32\DUser.dll |
| C:\Windows\system32\dxcore.dll |
| C:\Windows\system32\dxgi.dll |
| C:\Windows\System32\GDI32.dll |
| C:\Windows\System32\gdi32full.dll |
| C:\Windows\System32\IMM32.DLL |
| C:\Windows\System32\KERNEL32.DLL |
| C:\Windows\System32\KERNELBASE.dll |
| C:\Windows\System32\msvcp_win.dll |
| C:\Windows\System32\msvcrt.dll |
| C:\Windows\System32\NSI.dll |
| C:\Windows\SYSTEM32\ntdll.dll |
| C:\Windows\System32\OLEAUT32.dll |
| C:\Windows\system32\pdh.dll |
| C:\Windows\SYSTEM32\powrprof.dll |
| C:\Windows\System32\RPCRT4.dll |
| C:\Windows\System32\sechost.dll |
| C:\Windows\System32\SETUPAPI.dll |
| C:\Windows\System32\SHCORE.DLL |
| C:\Windows\System32\SHELL32.dll |
| C:\Windows\System32\SHLWAPI.dll |
| C:\Windows\system32\Taskmgr.exe |
| C:\Windows\System32\ucrtbase.dll |
| C:\Windows\system32\UMPDC.dll |
| C:\Windows\System32\USER32.dll |
| C:\Windows\system32\UxTheme.dll |
| C:\Windows\System32\win32u.dll |
| C:\Windows\WinSxS\amd64_microsoft.windows.common-controls_6595b64144ccf1df_6.0.19041.488_none_ca04af081b815d21\COMCTL32.dll |
Signature
- Status: Signature verified.
- Serial:
3300000266BD1580EFA75CD6D3000000000266 - Thumbprint:
A4341B9FD50FB9964283220A36A1EF6F6FAA7840 - Issuer: CN=Microsoft Windows Production PCA 2011, O=Microsoft Corporation, L=Redmond, S=Washington, C=US
- Subject: CN=Microsoft Windows, O=Microsoft Corporation, L=Redmond, S=Washington, C=US
File Metadata
- Original Filename: Taskmgr.exe.mui
- Product Name: Microsoft Windows Operating System
- Company Name: Microsoft Corporation
- File Version: 10.0.19041.1 (WinBuild.160101.0800)
- Product Version: 10.0.19041.1
- Language: English (United States)
- Legal Copyright: Microsoft Corporation. All rights reserved.
- Machine Type: 64-bit
File Scan
- VirusTotal Detections: 0/76
- VirusTotal Link: https://www.virustotal.com/gui/file/83c76db0cc6940e9c653f346a560090be2b782168b3e04ad8bbac791d33272fa/detection
Possible Misuse
The following table contains possible examples of Taskmgr.exe being misused. While Taskmgr.exe is not inherently malicious, its legitimate functionality can be abused for malicious purposes.
| Source | Source File | Example | License |
|---|---|---|---|
| sigma | win_susp_lsass_dump_generic.yml | - '\taskmgr.exe' |
DRL 1.0 |
| sigma | win_alert_lsass_access.yml | - 'C:\Windows\System32\Taskmgr.exe' |
DRL 1.0 |
| sigma | win_alert_lsass_access.yml | - Some Taskmgr.exe related activity |
DRL 1.0 |
| sigma | file_event_win_creation_system_file.yml | - '\Taskmgr.exe' |
DRL 1.0 |
| sigma | file_event_win_creation_system_file.yml | - '\taskmgr.exe' |
DRL 1.0 |
| sigma | proc_access_win_cred_dump_lsass_access.yml | - 'C:\WINDOWS\system32\taskmgr.exe' |
DRL 1.0 |
| sigma | proc_access_win_cred_dump_lsass_access.yml | # - '\taskmgr.exe' |
DRL 1.0 |
| sigma | proc_access_win_lsass_memdump.yml | description: Detects process LSASS memory dump using Mimikatz, NanoDump, Invoke-Mimikatz, Procdump or Taskmgr based on the CallTrace pointing to ntdll.dll, dbghelp.dll or dbgcore.dll for win10, server2016 and up. |
DRL 1.0 |
| sigma | proc_access_win_lsass_memdump.yml | - https://blog.menasec.net/2019/02/threat-hunting-21-procdump-or-taskmgr.html |
DRL 1.0 |
| sigma | proc_access_win_susp_proc_access_lsass.yml | - 'C:\WINDOWS\system32\taskmgr.exe' |
DRL 1.0 |
| sigma | proc_creation_win_ransom_blackbyte.yml | - 'del C:\Windows\System32\Taskmgr.exe' |
DRL 1.0 |
| sigma | proc_creation_win_susp_spoolsv_child_processes.yml | - \taskmgr.exe |
DRL 1.0 |
| sigma | proc_creation_win_susp_taskmgr_localsystem.yml | title: Taskmgr as LOCAL_SYSTEM |
DRL 1.0 |
| sigma | proc_creation_win_susp_taskmgr_localsystem.yml | description: Detects the creation of taskmgr.exe process in context of LOCAL_SYSTEM |
DRL 1.0 |
| sigma | proc_creation_win_susp_taskmgr_localsystem.yml | Image\|endswith: '\taskmgr.exe' |
DRL 1.0 |
| sigma | proc_creation_win_susp_taskmgr_parent.yml | title: Taskmgr as Parent |
DRL 1.0 |
| sigma | proc_creation_win_susp_taskmgr_parent.yml | ParentImage\|endswith: '\taskmgr.exe' |
DRL 1.0 |
| sigma | proc_creation_win_susp_taskmgr_parent.yml | - '\taskmgr.exe' |
DRL 1.0 |
| sigma | proc_creation_win_system_exe_anomaly.yml | - '\Taskmgr.exe' |
DRL 1.0 |
| signature-base | crime_cn_campaign_njrat.yar | $a3 = “taskkill /f /im taskmgr.exe” fullword ascii | CC BY-NC 4.0 |
| signature-base | gen_cn_hacktools.yar | $s2 = “Kiwi Taskmgr no-gpo” fullword wide | CC BY-NC 4.0 |
| signature-base | thor_inverse_matches.yar | description = “Anomaly rule looking for certain strings in a system file (maybe false positive on certain systems) - file taskmgr.exe” | CC BY-NC 4.0 |
| signature-base | thor_inverse_matches.yar | $s1 = “taskmgr.chm” fullword | CC BY-NC 4.0 |
| signature-base | thor_inverse_matches.yar | ( filename == “taskmgr.exe” or filename == “Taskmgr.exe” ) and not 1 of ($s*) and not WINDOWS_UPDATE_BDC | CC BY-NC 4.0 |
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