Analysis
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max time kernel
150s -
max time network
152s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system -
submitted
09/05/2024, 19:24
Static task
static1
Behavioral task
behavioral1
Sample
fab0a465eeee570bb14169da52612b2cc06ae429fcc383cc1f214c336094b33c.exe
Resource
win10v2004-20240426-en
General
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Target
fab0a465eeee570bb14169da52612b2cc06ae429fcc383cc1f214c336094b33c.exe
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Size
4.1MB
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MD5
bca2c5a48791ae393d84f934684eb4a3
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SHA1
58d7f059d434d8ba19c0a443b4908b27dab1a4fd
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SHA256
fab0a465eeee570bb14169da52612b2cc06ae429fcc383cc1f214c336094b33c
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SHA512
547d0391b6d47600baf311e5fdbcfefde3f9b6d7b1cf44f186febafe889953a0f3925a72bc198be9646a777e83125f9b2d9e340d4f7843149bb8545861cc4e3f
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SSDEEP
98304:/pLl5dh/cY//0ytMliSDJIrO0tWgVy355J08nZmlsCb:hLlNLHtGNcOLFp5JFwlsCb
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral1/memory/4840-2-0x0000000004F50000-0x000000000583B000-memory.dmp family_glupteba behavioral1/memory/4840-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4840-54-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral1/memory/4840-56-0x0000000004F50000-0x000000000583B000-memory.dmp family_glupteba behavioral1/memory/4840-83-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2720-82-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral1/memory/2720-137-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral1/memory/1540-209-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral1/memory/1540-220-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral1/memory/1540-229-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral1/memory/1540-233-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral1/memory/1540-237-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral1/memory/1540-241-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral1/memory/1540-245-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral1/memory/1540-249-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral1/memory/1540-253-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral1/memory/1540-257-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral1/memory/1540-261-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral1/memory/1540-265-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 1924 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 1540 csrss.exe 4272 injector.exe 4756 windefender.exe 2680 windefender.exe -
resource yara_rule behavioral1/files/0x0009000000023460-219.dat upx behavioral1/memory/4756-221-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2680-224-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4756-226-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2680-230-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2680-238-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2680-250-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3906287020-2915474608-1755617787-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" fab0a465eeee570bb14169da52612b2cc06ae429fcc383cc1f214c336094b33c.exe Set value (str) \REGISTRY\USER\S-1-5-21-3906287020-2915474608-1755617787-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Manipulates WinMonFS driver. 1 IoCs
Roottkits write to WinMonFS to hide directories/files from being detected.
description ioc Process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe -
Checks for VirtualBox DLLs, possible anti-VM trick 1 TTPs 1 IoCs
Certain files are specific to VirtualBox VMs and can be used to detect execution in a VM.
description ioc Process File opened (read-only) \??\VBoxMiniRdrDN fab0a465eeee570bb14169da52612b2cc06ae429fcc383cc1f214c336094b33c.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss fab0a465eeee570bb14169da52612b2cc06ae429fcc383cc1f214c336094b33c.exe File created C:\Windows\rss\csrss.exe fab0a465eeee570bb14169da52612b2cc06ae429fcc383cc1f214c336094b33c.exe File created C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\windefender.exe csrss.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 1032 sc.exe -
pid Process 3768 powershell.exe 4020 powershell.exe 4072 powershell.exe 4168 powershell.exe 1372 powershell.exe 4848 powershell.exe 728 powershell.exe -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 3744 schtasks.exe 1156 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2942 = "Sao Tome Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-201 = "US Mountain Daylight Time" fab0a465eeee570bb14169da52612b2cc06ae429fcc383cc1f214c336094b33c.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-334 = "Jordan Daylight Time" fab0a465eeee570bb14169da52612b2cc06ae429fcc383cc1f214c336094b33c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2322 = "Sakhalin Standard Time" fab0a465eeee570bb14169da52612b2cc06ae429fcc383cc1f214c336094b33c.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-602 = "Taipei Standard Time" fab0a465eeee570bb14169da52612b2cc06ae429fcc383cc1f214c336094b33c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1041 = "Ulaanbaatar Daylight Time" fab0a465eeee570bb14169da52612b2cc06ae429fcc383cc1f214c336094b33c.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-221 = "Alaskan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-261 = "GMT Daylight Time" fab0a465eeee570bb14169da52612b2cc06ae429fcc383cc1f214c336094b33c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-232 = "Hawaiian Standard Time" fab0a465eeee570bb14169da52612b2cc06ae429fcc383cc1f214c336094b33c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-741 = "New Zealand Daylight Time" fab0a465eeee570bb14169da52612b2cc06ae429fcc383cc1f214c336094b33c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2491 = "Aus Central W. Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-132 = "US Eastern Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-662 = "Cen. Australia Standard Time" fab0a465eeee570bb14169da52612b2cc06ae429fcc383cc1f214c336094b33c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2772 = "Omsk Standard Time" fab0a465eeee570bb14169da52612b2cc06ae429fcc383cc1f214c336094b33c.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-3052 = "Qyzylorda Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1802 = "Line Islands Standard Time" fab0a465eeee570bb14169da52612b2cc06ae429fcc383cc1f214c336094b33c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2592 = "Tocantins Standard Time" fab0a465eeee570bb14169da52612b2cc06ae429fcc383cc1f214c336094b33c.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1471 = "Magadan Daylight Time" fab0a465eeee570bb14169da52612b2cc06ae429fcc383cc1f214c336094b33c.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-448 = "Azerbaijan Daylight Time" fab0a465eeee570bb14169da52612b2cc06ae429fcc383cc1f214c336094b33c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-51 = "Greenland Daylight Time" fab0a465eeee570bb14169da52612b2cc06ae429fcc383cc1f214c336094b33c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-491 = "India Daylight Time" fab0a465eeee570bb14169da52612b2cc06ae429fcc383cc1f214c336094b33c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-721 = "Central Pacific Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-231 = "Hawaiian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-592 = "Malay Peninsula Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2062 = "North Korea Standard Time" fab0a465eeee570bb14169da52612b2cc06ae429fcc383cc1f214c336094b33c.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-402 = "Arabic Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-221 = "Alaskan Daylight Time" fab0a465eeee570bb14169da52612b2cc06ae429fcc383cc1f214c336094b33c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2612 = "Bougainville Standard Time" fab0a465eeee570bb14169da52612b2cc06ae429fcc383cc1f214c336094b33c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2611 = "Bougainville Daylight Time" fab0a465eeee570bb14169da52612b2cc06ae429fcc383cc1f214c336094b33c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-412 = "E. Africa Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-771 = "Montevideo Daylight Time" fab0a465eeee570bb14169da52612b2cc06ae429fcc383cc1f214c336094b33c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-691 = "Tasmania Daylight Time" fab0a465eeee570bb14169da52612b2cc06ae429fcc383cc1f214c336094b33c.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-461 = "Afghanistan Daylight Time" fab0a465eeee570bb14169da52612b2cc06ae429fcc383cc1f214c336094b33c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2492 = "Aus Central W. Standard Time" fab0a465eeee570bb14169da52612b2cc06ae429fcc383cc1f214c336094b33c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-362 = "GTB Standard Time" fab0a465eeee570bb14169da52612b2cc06ae429fcc383cc1f214c336094b33c.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2062 = "North Korea Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-3141 = "South Sudan Daylight Time" fab0a465eeee570bb14169da52612b2cc06ae429fcc383cc1f214c336094b33c.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 3768 powershell.exe 3768 powershell.exe 4840 fab0a465eeee570bb14169da52612b2cc06ae429fcc383cc1f214c336094b33c.exe 4840 fab0a465eeee570bb14169da52612b2cc06ae429fcc383cc1f214c336094b33c.exe 4020 powershell.exe 4020 powershell.exe 2720 fab0a465eeee570bb14169da52612b2cc06ae429fcc383cc1f214c336094b33c.exe 2720 fab0a465eeee570bb14169da52612b2cc06ae429fcc383cc1f214c336094b33c.exe 2720 fab0a465eeee570bb14169da52612b2cc06ae429fcc383cc1f214c336094b33c.exe 2720 fab0a465eeee570bb14169da52612b2cc06ae429fcc383cc1f214c336094b33c.exe 2720 fab0a465eeee570bb14169da52612b2cc06ae429fcc383cc1f214c336094b33c.exe 2720 fab0a465eeee570bb14169da52612b2cc06ae429fcc383cc1f214c336094b33c.exe 2720 fab0a465eeee570bb14169da52612b2cc06ae429fcc383cc1f214c336094b33c.exe 2720 fab0a465eeee570bb14169da52612b2cc06ae429fcc383cc1f214c336094b33c.exe 2720 fab0a465eeee570bb14169da52612b2cc06ae429fcc383cc1f214c336094b33c.exe 2720 fab0a465eeee570bb14169da52612b2cc06ae429fcc383cc1f214c336094b33c.exe 4072 powershell.exe 4072 powershell.exe 4168 powershell.exe 4168 powershell.exe 1372 powershell.exe 1372 powershell.exe 4848 powershell.exe 4848 powershell.exe 728 powershell.exe 728 powershell.exe 4272 injector.exe 4272 injector.exe 4272 injector.exe 4272 injector.exe 4272 injector.exe 4272 injector.exe 1540 csrss.exe 1540 csrss.exe 4272 injector.exe 4272 injector.exe 4272 injector.exe 4272 injector.exe 4272 injector.exe 4272 injector.exe 1540 csrss.exe 1540 csrss.exe 4272 injector.exe 4272 injector.exe 4272 injector.exe 4272 injector.exe 1540 csrss.exe 1540 csrss.exe 4272 injector.exe 4272 injector.exe 4272 injector.exe 4272 injector.exe 4272 injector.exe 4272 injector.exe 4272 injector.exe 4272 injector.exe 4272 injector.exe 4272 injector.exe 4272 injector.exe 4272 injector.exe 4272 injector.exe 4272 injector.exe 4272 injector.exe 4272 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 3768 powershell.exe Token: SeDebugPrivilege 4840 fab0a465eeee570bb14169da52612b2cc06ae429fcc383cc1f214c336094b33c.exe Token: SeImpersonatePrivilege 4840 fab0a465eeee570bb14169da52612b2cc06ae429fcc383cc1f214c336094b33c.exe Token: SeDebugPrivilege 4020 powershell.exe Token: SeDebugPrivilege 4072 powershell.exe Token: SeDebugPrivilege 4168 powershell.exe Token: SeDebugPrivilege 1372 powershell.exe Token: SeDebugPrivilege 4848 powershell.exe Token: SeDebugPrivilege 728 powershell.exe Token: SeSystemEnvironmentPrivilege 1540 csrss.exe Token: SeSecurityPrivilege 1032 sc.exe Token: SeSecurityPrivilege 1032 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 4840 wrote to memory of 3768 4840 fab0a465eeee570bb14169da52612b2cc06ae429fcc383cc1f214c336094b33c.exe 93 PID 4840 wrote to memory of 3768 4840 fab0a465eeee570bb14169da52612b2cc06ae429fcc383cc1f214c336094b33c.exe 93 PID 4840 wrote to memory of 3768 4840 fab0a465eeee570bb14169da52612b2cc06ae429fcc383cc1f214c336094b33c.exe 93 PID 2720 wrote to memory of 4020 2720 fab0a465eeee570bb14169da52612b2cc06ae429fcc383cc1f214c336094b33c.exe 100 PID 2720 wrote to memory of 4020 2720 fab0a465eeee570bb14169da52612b2cc06ae429fcc383cc1f214c336094b33c.exe 100 PID 2720 wrote to memory of 4020 2720 fab0a465eeee570bb14169da52612b2cc06ae429fcc383cc1f214c336094b33c.exe 100 PID 2720 wrote to memory of 3720 2720 fab0a465eeee570bb14169da52612b2cc06ae429fcc383cc1f214c336094b33c.exe 102 PID 2720 wrote to memory of 3720 2720 fab0a465eeee570bb14169da52612b2cc06ae429fcc383cc1f214c336094b33c.exe 102 PID 3720 wrote to memory of 1924 3720 cmd.exe 104 PID 3720 wrote to memory of 1924 3720 cmd.exe 104 PID 2720 wrote to memory of 4072 2720 fab0a465eeee570bb14169da52612b2cc06ae429fcc383cc1f214c336094b33c.exe 105 PID 2720 wrote to memory of 4072 2720 fab0a465eeee570bb14169da52612b2cc06ae429fcc383cc1f214c336094b33c.exe 105 PID 2720 wrote to memory of 4072 2720 fab0a465eeee570bb14169da52612b2cc06ae429fcc383cc1f214c336094b33c.exe 105 PID 2720 wrote to memory of 4168 2720 fab0a465eeee570bb14169da52612b2cc06ae429fcc383cc1f214c336094b33c.exe 107 PID 2720 wrote to memory of 4168 2720 fab0a465eeee570bb14169da52612b2cc06ae429fcc383cc1f214c336094b33c.exe 107 PID 2720 wrote to memory of 4168 2720 fab0a465eeee570bb14169da52612b2cc06ae429fcc383cc1f214c336094b33c.exe 107 PID 2720 wrote to memory of 1540 2720 fab0a465eeee570bb14169da52612b2cc06ae429fcc383cc1f214c336094b33c.exe 109 PID 2720 wrote to memory of 1540 2720 fab0a465eeee570bb14169da52612b2cc06ae429fcc383cc1f214c336094b33c.exe 109 PID 2720 wrote to memory of 1540 2720 fab0a465eeee570bb14169da52612b2cc06ae429fcc383cc1f214c336094b33c.exe 109 PID 1540 wrote to memory of 1372 1540 csrss.exe 111 PID 1540 wrote to memory of 1372 1540 csrss.exe 111 PID 1540 wrote to memory of 1372 1540 csrss.exe 111 PID 1540 wrote to memory of 4848 1540 csrss.exe 116 PID 1540 wrote to memory of 4848 1540 csrss.exe 116 PID 1540 wrote to memory of 4848 1540 csrss.exe 116 PID 1540 wrote to memory of 728 1540 csrss.exe 119 PID 1540 wrote to memory of 728 1540 csrss.exe 119 PID 1540 wrote to memory of 728 1540 csrss.exe 119 PID 1540 wrote to memory of 4272 1540 csrss.exe 122 PID 1540 wrote to memory of 4272 1540 csrss.exe 122 PID 4756 wrote to memory of 4808 4756 windefender.exe 128 PID 4756 wrote to memory of 4808 4756 windefender.exe 128 PID 4756 wrote to memory of 4808 4756 windefender.exe 128 PID 4808 wrote to memory of 1032 4808 cmd.exe 129 PID 4808 wrote to memory of 1032 4808 cmd.exe 129 PID 4808 wrote to memory of 1032 4808 cmd.exe 129 -
Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
Processes
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C:\Users\Admin\AppData\Local\Temp\fab0a465eeee570bb14169da52612b2cc06ae429fcc383cc1f214c336094b33c.exe"C:\Users\Admin\AppData\Local\Temp\fab0a465eeee570bb14169da52612b2cc06ae429fcc383cc1f214c336094b33c.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4840 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3768
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C:\Users\Admin\AppData\Local\Temp\fab0a465eeee570bb14169da52612b2cc06ae429fcc383cc1f214c336094b33c.exe"C:\Users\Admin\AppData\Local\Temp\fab0a465eeee570bb14169da52612b2cc06ae429fcc383cc1f214c336094b33c.exe"2⤵
- Adds Run key to start application
- Checks for VirtualBox DLLs, possible anti-VM trick
- Drops file in Windows directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2720 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4020
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C:\Windows\system32\cmd.exeC:\Windows\Sysnative\cmd.exe /C "netsh advfirewall firewall add rule name="csrss" dir=in action=allow program="C:\Windows\rss\csrss.exe" enable=yes"3⤵
- Suspicious use of WriteProcessMemory
PID:3720 -
C:\Windows\system32\netsh.exenetsh advfirewall firewall add rule name="csrss" dir=in action=allow program="C:\Windows\rss\csrss.exe" enable=yes4⤵
- Modifies Windows Firewall
PID:1924
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4072
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4168
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C:\Windows\rss\csrss.exeC:\Windows\rss\csrss.exe3⤵
- Executes dropped EXE
- Adds Run key to start application
- Manipulates WinMonFS driver.
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1540 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1372
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C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:3744
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:1776
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4848
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:728
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C:\Users\Admin\AppData\Local\Temp\csrss\injector\injector.exeC:\Users\Admin\AppData\Local\Temp\csrss\injector\injector.exe taskmgr.exe C:\Users\Admin\AppData\Local\Temp\csrss\injector\NtQuerySystemInformationHook.dll4⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
PID:4272
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C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:1156
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4756 -
C:\Windows\SysWOW64\cmd.execmd.exe /C sc sdset WinDefender D:(A;;CCLCSWRPWPDTLOCRRC;;;SY)(A;;CCDCLCSWRPLOCRSDRCWDWO;;;BA)(D;;WPDT;;;BA)(A;;CCLCSWLOCRRC;;;IU)(A;;CCLCSWLOCRRC;;;SU)S:(AU;FA;CCDCLCSWRPWPDTLOCRSDRCWDWO;;;WD)5⤵
- Suspicious use of WriteProcessMemory
PID:4808 -
C:\Windows\SysWOW64\sc.exesc sdset WinDefender D:(A;;CCLCSWRPWPDTLOCRRC;;;SY)(A;;CCDCLCSWRPLOCRSDRCWDWO;;;BA)(D;;WPDT;;;BA)(A;;CCLCSWLOCRRC;;;IU)(A;;CCLCSWLOCRRC;;;SU)S:(AU;FA;CCDCLCSWRPWPDTLOCRSDRCWDWO;;;WD)6⤵
- Launches sc.exe
- Suspicious use of AdjustPrivilegeToken
PID:1032
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:2680
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Replay Monitor
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Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
281KB
MD5d98e33b66343e7c96158444127a117f6
SHA1bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA2565de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
SHA512705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
Filesize2KB
MD5968cb9309758126772781b83adb8a28f
SHA18da30e71accf186b2ba11da1797cf67f8f78b47c
SHA25692099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a
SHA5124bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD52dc7ac8196e96865e39b0f3cf38d1581
SHA1263dffaaeee227b7f99c621838562a560e02a3c0
SHA256a605ae4dae47f0d04649053bfebe144da5eab191ed44273b0ea8d283a6358c5e
SHA51264ce14b89f1fee8d940eca11c38df3f744c1e3d2a77f8c9971d3848f415a5eddc1c9d5fa25b32a9f039834a958fc0ef6a87bd23f4fb4b23b0bf9aed65b967276
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5746a827fbbff458357ba980389edf8fc
SHA1d48929cc2a59f299d80331b7dcb056fdeec38d4a
SHA256942ffe197b8bfcb625daf47c927e09e1cad88a537afdb1111d41e91ed561b4dc
SHA5127c00ba20a0f0aa5ad89334fc567dadd3fda4ee4b856e1ad329b88a7cf79212542d20ca9139e46e332b487156e7f3d06b27349a662bbe1749f1de763936f66d3a
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5f1a92f5b3e802995966e72ff69c22f25
SHA101f27f154ec7fa9d3af299e1d7f091d7a8d650d1
SHA256f74ccc6e5744b4a65bebd152a8dd2836b2165f76acfcc20752488de352163c39
SHA51238d942d8a122091c33641d5f41f3f1e69e8305ec1d99caf8315f0e6d3eb9f276be632e4048607d9501df53a9abffc8a89bb0395b41a7e58c155d914ae073a83e
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD54ad0e68481ffb24c617b358c8bef213e
SHA190ef4f3c2d528682d90b337db5fb7e836acd6d9a
SHA2564dd2d5f6cc9744fa18796521d366777e1f88e5f28b2d882323d491b460542111
SHA512f6b726e09699102d4f19b3129b98f6564200bb565abe0dfc3bbee67be73b7f7ccc123ac3755e9cc4762d07c81eff9e8759128b79369a0d3d2544bdd5886b8260
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5cd71be941e46a04284e466b25732dcef
SHA1eac1bf0df59df8413c3c8bd1adc9463e4c94e581
SHA25698a4c5cb70b4ad9f187552778c4691d09d605058404bcf075829449333e09c2e
SHA5128a1286df262550852adab574dd188c39497ee0bcf96723fc7d4ae77562d922dac5b3425201ba5b3f5449ba09e15b4258c99e280739d56127089c437349311be4
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Filesize
4.1MB
MD5bca2c5a48791ae393d84f934684eb4a3
SHA158d7f059d434d8ba19c0a443b4908b27dab1a4fd
SHA256fab0a465eeee570bb14169da52612b2cc06ae429fcc383cc1f214c336094b33c
SHA512547d0391b6d47600baf311e5fdbcfefde3f9b6d7b1cf44f186febafe889953a0f3925a72bc198be9646a777e83125f9b2d9e340d4f7843149bb8545861cc4e3f
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec