Taskmgr.exe

  • File Path: C:\Windows\SysWOW64\Taskmgr.exe
  • Description: Task Manager

Screenshot

Taskmgr.exe

Hashes

Type Hash
MD5 ACA0D5EA1DF6DF1D3187777C2699F5C3
SHA1 3C0DBAB7BAF66B518EF1DEAA230CD7F169815CC5
SHA256 B24F923D5A76B34B519F1065C6FBB533F2E52A372A2AEC2F844BC3F1540A1DD5
SHA384 6B91BBE618D618D753E1C081C8FC612EE1F819766E0F89255B48E067825FCEC30306B91FA4BB5227540CA6B0985B9702
SHA512 6C61908176E55F37F236D65CF8EA0F9B3F9C04EB3CC7D8318E987848C569902B6A39482522169D6C12A0A19C947DCCFC75A1DC4ACBE8B31C988DFDF22930F882
SSDEEP 24576:Qfq2LeRRFCqknb3yIKbmfqEzLGsw/xUxJm9ESCUa+Be7q4Dq+l:OCI6w0/xUxsLCUaMe7q4eK
IMP 920F3AEC5A928B966C39EE8CE6687BF6
PESHA1 38D303ACDC0CD3EAA4DDFB2D670DF697B4E29829
PE256 397297B1FFC64304C466B0E52196C0F583984907DAC0C19F488934626B3CA537

Runtime Data

Window Title:

Task Manager

Open Handles:

Path Type
(R-D) C:\Windows\Fonts\StaticCache.dat File
(R-D) C:\Windows\System32\en-US\Taskmgr.exe.mui File
(R-D) C:\Windows\SysWOW64\en-US\oleaccrc.dll.mui File
(R-D) C:\Windows\SysWOW64\en-US\propsys.dll.mui File
(RW-) C:\Users\user File
(RW-) C:\Windows File
(RW-) C:\Windows\WinSxS\x86_microsoft.windows.common-controls_6595b64144ccf1df_6.0.17763.1518_none_261b62a767ca4e6d 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.ver0x0000000000000004.db Section
\BaseNamedObjects\C:*ProgramData*Microsoft*Windows*Caches*{DDF571F2-BE98-426D-8288-1A9A39C3FDA2}.2.ver0x0000000000000004.db Section
\BaseNamedObjects\C:*ProgramData*Microsoft*Windows*Caches*cversions.2.ro Section
\BaseNamedObjects\NLS_CodePage_1252_3_2_0_0 Section
\BaseNamedObjects\NLS_CodePage_437_3_2_0_0 Section
\BaseNamedObjects\windows_shell_global_counters Section
\RPC Control\DSECF9C Section
\Sessions\2\BaseNamedObjects\C:*Users*Administrator*AppData*Local*Microsoft*Windows*Caches*{3DA71D5A-20CC-432F-A115-DFE92379E91F}.3.ver0x0000000000000004.db Section
\Sessions\2\BaseNamedObjects\C:*Users*Administrator*AppData*Local*Microsoft*Windows*Caches*cversions.3.ro Section
\Sessions\2\BaseNamedObjects\SessionImmersiveColorPreference Section
\Sessions\2\BaseNamedObjects\windows_shell_global_counters Section
\Sessions\2\Windows\Theme2131664586 Section
\Windows\Theme966197582 Section

Loaded Modules:

Path
C:\Windows\SYSTEM32\ntdll.dll
C:\Windows\System32\wow64.dll
C:\Windows\System32\wow64cpu.dll
C:\Windows\System32\wow64win.dll
C:\Windows\SysWOW64\Taskmgr.exe

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
  • Product Name: Microsoft Windows Operating System
  • Company Name: Microsoft Corporation
  • File Version: 10.0.17763.1075 (WinBuild.160101.0800)
  • Product Version: 10.0.17763.1075
  • Language: English (United States)
  • Legal Copyright: Microsoft Corporation. All rights reserved.
  • Machine Type: 32-bit

File Scan

  • VirusTotal Detections: 0/72
  • VirusTotal Link: https://www.virustotal.com/gui/file/b24f923d5a76b34b519f1065c6fbb533f2e52a372a2aec2f844bc3f1540a1dd5/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_alert_lsass_access.yml - Some Taskmgr.exe related activity DRL 1.0
sigma win_susp_lsass_dump_generic.yml - '\taskmgr.exe' DRL 1.0
sigma sysmon_creation_system_file.yml - '*\Taskmgr.exe' DRL 1.0
sigma sysmon_creation_system_file.yml - '*\taskmgr.exe' DRL 1.0
sigma sysmon_cred_dump_lsass_access.yml - '\taskmgr.exe' DRL 1.0
sigma sysmon_lsass_memdump.yml description: Detects process LSASS memory dump using procdump or taskmgr based on the CallTrace pointing to dbghelp.dll or dbgcore.dll for win10 DRL 1.0
sigma sysmon_lsass_memdump.yml - https://blog.menasec.net/2019/02/threat-hunting-21-procdump-or-taskmgr.html DRL 1.0
sigma win_susp_taskmgr_localsystem.yml title: Taskmgr as LOCAL_SYSTEM DRL 1.0
sigma win_susp_taskmgr_localsystem.yml description: Detects the creation of taskmgr.exe process in context of LOCAL_SYSTEM DRL 1.0
sigma win_susp_taskmgr_localsystem.yml Image: '*\taskmgr.exe' DRL 1.0
sigma win_susp_taskmgr_parent.yml title: Taskmgr as Parent DRL 1.0
sigma win_susp_taskmgr_parent.yml ParentImage: '*\taskmgr.exe' DRL 1.0
sigma win_susp_taskmgr_parent.yml - '*\taskmgr.exe' DRL 1.0
sigma 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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