Taskmgr.exe

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

Screenshot

Taskmgr.exe

Hashes

Type Hash
MD5 68C717F89D51C97F4A096D56FFE4AF95
SHA1 229DBA8BE3292720C7938331A88AA0E4285741A9
SHA256 EFC4A6FB997C06367D39B536FA47FF1456587A8BD5AAEE74A1DA6B263674A585
SHA384 1CCBBF8A7EFC4E660E806B1D63AF7BE7498FA3D46C7B464F42CDBB0C097994DFDF565CF46EA6FCCD13908CE5AF380729
SHA512 C040767C1CA7A86C5359A346CF7ECC0309E5A2F002D5F996E770B5C5E71BF17B1C0E5FBE782EF6CB6C710E8A7C2B88D20E41F69F736850F86312F5B3119B31FD
SSDEEP 24576:6p2IEKP5hAlzL0q/1nP69ZcVAQzHgHOEALXYTmF8FO:6p2I7mF/xS9ZcVraXcXYTmeF
IMP E48ED6D37AB78B890A112128172FAB3A
PESHA1 5A41BEB6AB47434B1022D5BBCC25E872B1516608
PE256 4DA9DC4135067F53DA8ED796D114A26FA35E0522619CA53F50BCC718230F3D47

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\KernelBase.dll.mui 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:\Windows File
(RW-) C:\Windows\SysWOW64 File
(RW-) C:\Windows\WinSxS\x86_microsoft.windows.common-controls_6595b64144ccf1df_6.0.22000.120_none_e541a94fcce8ed6d 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.ver0x0000000000000001.db Section
\BaseNamedObjects\C:*ProgramData*Microsoft*Windows*Caches*{DDF571F2-BE98-426D-8288-1A9A39C3FDA2}.2.ver0x0000000000000001.db Section
\BaseNamedObjects\C:*ProgramData*Microsoft*Windows*Caches*cversions.2.ro Section
\BaseNamedObjects\windows_shell_global_counters Section
\Sessions\2\BaseNamedObjects\C:*Users*user*AppData*Local*Microsoft*Windows*Caches*{3DA71D5A-20CC-432F-A115-DFE92379E91F}.3.ver0x0000000000000018.db Section
\Sessions\2\BaseNamedObjects\C:*Users*user*AppData*Local*Microsoft*Windows*Caches*cversions.3.ro Section
\Sessions\2\BaseNamedObjects\NLS_CodePage_1252_3_2_0_0 Section
\Sessions\2\BaseNamedObjects\NLS_CodePage_437_3_2_0_0 Section
\Sessions\2\BaseNamedObjects\SessionImmersiveColorPreference Section
\Sessions\2\BaseNamedObjects\UrlZonesSM_TI-ADMIN Section
\Sessions\2\BaseNamedObjects\windows_shell_global_counters Section
\Sessions\2\Windows\Theme1077709572 Section
\Windows\Theme3461253685 Section

Loaded Modules:

Path
C:\WINDOWS\SYSTEM32\ntdll.dll
C:\WINDOWS\System32\wow64.dll
C:\WINDOWS\System32\wow64base.dll
C:\WINDOWS\System32\wow64con.dll
C:\WINDOWS\System32\wow64win.dll
C:\WINDOWS\SysWOW64\Taskmgr.exe

Signature

  • Status: Signature verified.
  • Serial: 33000002ED2C45E4C145CF48440000000002ED
  • Thumbprint: 312860D2047EB81F8F58C29FF19ECDB4C634CF6A
  • 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: 10.0.22000.65 (WinBuild.160101.0800)
  • Product Version: 10.0.22000.65
  • Language: English (United States)
  • Legal Copyright: Microsoft Corporation. All rights reserved.
  • Machine Type: 32-bit

File Scan

  • VirusTotal Detections: 0/73
  • VirusTotal Link: https://www.virustotal.com/gui/file/efc4a6fb997c06367d39b536fa47ff1456587a8bd5aaee74a1da6b263674a585/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_spoolsv_child_processes.yml - \taskmgr.exe 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\|endswith: '\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\|endswith: '\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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