Taskmgr.exe

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

Screenshot

Taskmgr.exe

Hashes

Type Hash
MD5 61A8F02536AB07E430715B98BAD49CAB
SHA1 E28DE42FC3A993305178F8EB422F5ACE9EA8B175
SHA256 4F5CE43A424F1970C3A4D53EBD57C158180F30D60C71DB329EE9EAC772EF3BFA
SHA384 13C899E8FFDE3D5E7B6CCAF0F5BEA9BF95DB5AA6F7B38B501B8A823C001EDADF4007690B7467AB415CA1ABDCF8647FE8
SHA512 DEF5296894CACD6B6A86AA47D6FC33854EC4EDB8D19A6800F02D6897E36CCC67769CE2FD81752A6B3091204F30747FF8CCE6758B145CD115515DAFAA0E9A14E0
SSDEEP 24576:OzM4t3869GFIoldFz4Dz0Q4XOqA2ASEEvyk2f1dfd:et389FXo0Q4ezCNqJf1dfd
IMP 7664BDECACB8B0F17968E983BF0717BE
PESHA1 0B78D47C61553477C38D3E895936E0FD92AC142E
PE256 144841F5542B7137E7050584A6DB8F42AAC237E7933817198155A72DFCACEFA2

Runtime Data

Child Processes:

explorer.exe

Window Title:

Task Manager

Open Handles:

Path Type
(R-D) C:\Windows\apppatch\DirectXApps_FOD.sdb File
(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\Taskmgr.exe.mui File
(R-D) C:\Windows\SystemResources\Taskmgr.exe.mun File
(RW-) C:\Users\user File
(RW-) C:\Windows File
(RW-) C:\Windows\WinSxS\x86_microsoft.windows.common-controls_6595b64144ccf1df_6.0.19041.1110_none_a8625c1886757984 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.ver0x0000000000000023.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\Theme449731986 Section
\Windows\Theme1396518710 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: 33000002EC6579AD1E670890130000000002EC
  • Thumbprint: F7C2F2C96A328C13CDA8CDB57B715BDEA2CBD1D9
  • 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: 10.0.19041.1202 (WinBuild.160101.0800)
  • Product Version: 10.0.19041.1202
  • 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/4f5ce43a424f1970c3a4d53ebd57c158180f30d60c71db329ee9eac772ef3bfa/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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