Analysis
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max time kernel
150s -
max time network
144s -
platform
windows11-21h2_x64 -
resource
win11-20240221-en -
resource tags
arch:x64arch:x86image:win11-20240221-enlocale:en-usos:windows11-21h2-x64system -
submitted
11/04/2024, 07:03
Static task
static1
Behavioral task
behavioral1
Sample
2bc7cc445712d5a8b6858600871fc2f3ebbc47222460e1d381c24bdded56b016.exe
Resource
win10v2004-20240319-en
General
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Target
2bc7cc445712d5a8b6858600871fc2f3ebbc47222460e1d381c24bdded56b016.exe
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Size
4.2MB
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MD5
ea7f243705934fdb4c00efd09d1da389
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SHA1
32458a485bf4cca794dde36315c3cdef02731290
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SHA256
2bc7cc445712d5a8b6858600871fc2f3ebbc47222460e1d381c24bdded56b016
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SHA512
2a209497327427e1e878800f9219494a6b98f0a63cf69578aecbd183a879b671fe5453658dd751b3d005024d81fc43d35c7c4d06ba011afcd7e6c7a081232b66
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SSDEEP
98304:+hlZPZO8rUglgWlvDuL9EjCTLfvfZJk1uBwgP5y5iIc:APZFggzvDtmhQrgP5uiz
Malware Config
Signatures
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Glupteba payload 21 IoCs
resource yara_rule behavioral2/memory/3460-2-0x0000000005350000-0x0000000005C3B000-memory.dmp family_glupteba behavioral2/memory/3460-3-0x0000000000400000-0x000000000310A000-memory.dmp family_glupteba behavioral2/memory/3460-41-0x0000000000400000-0x000000000310A000-memory.dmp family_glupteba behavioral2/memory/1992-44-0x00000000052B0000-0x0000000005B9B000-memory.dmp family_glupteba behavioral2/memory/1992-45-0x0000000000400000-0x000000000310A000-memory.dmp family_glupteba behavioral2/memory/1992-132-0x0000000000400000-0x000000000310A000-memory.dmp family_glupteba behavioral2/memory/1992-139-0x0000000000400000-0x000000000310A000-memory.dmp family_glupteba behavioral2/memory/3204-144-0x0000000000400000-0x000000000310A000-memory.dmp family_glupteba behavioral2/memory/3204-238-0x0000000000400000-0x000000000310A000-memory.dmp family_glupteba behavioral2/memory/3204-247-0x0000000000400000-0x000000000310A000-memory.dmp family_glupteba behavioral2/memory/3204-248-0x0000000000400000-0x000000000310A000-memory.dmp family_glupteba behavioral2/memory/3204-250-0x0000000000400000-0x000000000310A000-memory.dmp family_glupteba behavioral2/memory/3204-252-0x0000000000400000-0x000000000310A000-memory.dmp family_glupteba behavioral2/memory/3204-254-0x0000000000400000-0x000000000310A000-memory.dmp family_glupteba behavioral2/memory/3204-257-0x0000000000400000-0x000000000310A000-memory.dmp family_glupteba behavioral2/memory/3204-258-0x0000000000400000-0x000000000310A000-memory.dmp family_glupteba behavioral2/memory/3204-260-0x0000000000400000-0x000000000310A000-memory.dmp family_glupteba behavioral2/memory/3204-262-0x0000000000400000-0x000000000310A000-memory.dmp family_glupteba behavioral2/memory/3204-264-0x0000000000400000-0x000000000310A000-memory.dmp family_glupteba behavioral2/memory/3204-267-0x0000000000400000-0x000000000310A000-memory.dmp family_glupteba behavioral2/memory/3204-268-0x0000000000400000-0x000000000310A000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 4232 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 3204 csrss.exe 4668 injector.exe 1580 windefender.exe 940 windefender.exe -
resource yara_rule behavioral2/files/0x000200000002a770-241.dat upx behavioral2/memory/1580-246-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/940-249-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/940-253-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1637591879-962683004-3585269084-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 2bc7cc445712d5a8b6858600871fc2f3ebbc47222460e1d381c24bdded56b016.exe Set value (str) \REGISTRY\USER\S-1-5-21-1637591879-962683004-3585269084-1000\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 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 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 -
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 2bc7cc445712d5a8b6858600871fc2f3ebbc47222460e1d381c24bdded56b016.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File created C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\rss 2bc7cc445712d5a8b6858600871fc2f3ebbc47222460e1d381c24bdded56b016.exe File created C:\Windows\rss\csrss.exe 2bc7cc445712d5a8b6858600871fc2f3ebbc47222460e1d381c24bdded56b016.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 252 sc.exe -
Program crash 2 IoCs
pid pid_target Process procid_target 3012 3840 WerFault.exe 78 3008 3460 WerFault.exe 76 -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 2340 schtasks.exe 2944 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-772 = "Montevideo Standard Time" 2bc7cc445712d5a8b6858600871fc2f3ebbc47222460e1d381c24bdded56b016.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-531 = "Sri Lanka Daylight Time" 2bc7cc445712d5a8b6858600871fc2f3ebbc47222460e1d381c24bdded56b016.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-391 = "Arab Daylight Time" 2bc7cc445712d5a8b6858600871fc2f3ebbc47222460e1d381c24bdded56b016.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1662 = "Bahia Standard Time" 2bc7cc445712d5a8b6858600871fc2f3ebbc47222460e1d381c24bdded56b016.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-361 = "GTB Daylight Time" 2bc7cc445712d5a8b6858600871fc2f3ebbc47222460e1d381c24bdded56b016.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1042 = "Ulaanbaatar Standard Time" 2bc7cc445712d5a8b6858600871fc2f3ebbc47222460e1d381c24bdded56b016.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2391 = "Aleutian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-251 = "Dateline Daylight Time" 2bc7cc445712d5a8b6858600871fc2f3ebbc47222460e1d381c24bdded56b016.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-31 = "Mid-Atlantic Daylight Time" 2bc7cc445712d5a8b6858600871fc2f3ebbc47222460e1d381c24bdded56b016.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-542 = "Myanmar Standard Time" 2bc7cc445712d5a8b6858600871fc2f3ebbc47222460e1d381c24bdded56b016.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-632 = "Tokyo Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2392 = "Aleutian Standard Time" 2bc7cc445712d5a8b6858600871fc2f3ebbc47222460e1d381c24bdded56b016.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-292 = "Central European Standard Time" 2bc7cc445712d5a8b6858600871fc2f3ebbc47222460e1d381c24bdded56b016.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-112 = "Eastern Standard Time" 2bc7cc445712d5a8b6858600871fc2f3ebbc47222460e1d381c24bdded56b016.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.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\22\52C64B7E\@tzres.dll,-731 = "Fiji Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-385 = "Namibia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-602 = "Taipei Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1021 = "Bangladesh Daylight Time" 2bc7cc445712d5a8b6858600871fc2f3ebbc47222460e1d381c24bdded56b016.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-981 = "Kamchatka Daylight Time" 2bc7cc445712d5a8b6858600871fc2f3ebbc47222460e1d381c24bdded56b016.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-1722 = "Libya Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-242 = "Samoa Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1972 = "Belarus Standard Time" 2bc7cc445712d5a8b6858600871fc2f3ebbc47222460e1d381c24bdded56b016.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1842 = "Russia TZ 4 Standard Time" 2bc7cc445712d5a8b6858600871fc2f3ebbc47222460e1d381c24bdded56b016.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-1662 = "Bahia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-891 = "Morocco Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-502 = "Nepal Standard Time" 2bc7cc445712d5a8b6858600871fc2f3ebbc47222460e1d381c24bdded56b016.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1891 = "Russia TZ 3 Daylight Time" 2bc7cc445712d5a8b6858600871fc2f3ebbc47222460e1d381c24bdded56b016.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-441 = "Arabian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-151 = "Central America Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-282 = "Central Europe Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-651 = "AUS Central Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1821 = "Russia TZ 1 Daylight Time" 2bc7cc445712d5a8b6858600871fc2f3ebbc47222460e1d381c24bdded56b016.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2341 = "Haiti Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2512 = "Lord Howe Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-71 = "Newfoundland Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-662 = "Cen. Australia Standard Time" 2bc7cc445712d5a8b6858600871fc2f3ebbc47222460e1d381c24bdded56b016.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-161 = "Central Daylight Time" 2bc7cc445712d5a8b6858600871fc2f3ebbc47222460e1d381c24bdded56b016.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-362 = "GTB Standard Time" 2bc7cc445712d5a8b6858600871fc2f3ebbc47222460e1d381c24bdded56b016.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2892 = "Sudan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-512 = "Central Asia Standard Time" 2bc7cc445712d5a8b6858600871fc2f3ebbc47222460e1d381c24bdded56b016.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-531 = "Sri Lanka Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-151 = "Central America Daylight Time" 2bc7cc445712d5a8b6858600871fc2f3ebbc47222460e1d381c24bdded56b016.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-561 = "SE Asia Daylight Time" 2bc7cc445712d5a8b6858600871fc2f3ebbc47222460e1d381c24bdded56b016.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-132 = "US Eastern Standard Time" 2bc7cc445712d5a8b6858600871fc2f3ebbc47222460e1d381c24bdded56b016.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 3840 powershell.exe 3840 powershell.exe 3460 2bc7cc445712d5a8b6858600871fc2f3ebbc47222460e1d381c24bdded56b016.exe 3460 2bc7cc445712d5a8b6858600871fc2f3ebbc47222460e1d381c24bdded56b016.exe 2128 powershell.exe 2128 powershell.exe 1992 2bc7cc445712d5a8b6858600871fc2f3ebbc47222460e1d381c24bdded56b016.exe 1992 2bc7cc445712d5a8b6858600871fc2f3ebbc47222460e1d381c24bdded56b016.exe 1992 2bc7cc445712d5a8b6858600871fc2f3ebbc47222460e1d381c24bdded56b016.exe 1992 2bc7cc445712d5a8b6858600871fc2f3ebbc47222460e1d381c24bdded56b016.exe 1992 2bc7cc445712d5a8b6858600871fc2f3ebbc47222460e1d381c24bdded56b016.exe 1992 2bc7cc445712d5a8b6858600871fc2f3ebbc47222460e1d381c24bdded56b016.exe 1992 2bc7cc445712d5a8b6858600871fc2f3ebbc47222460e1d381c24bdded56b016.exe 1992 2bc7cc445712d5a8b6858600871fc2f3ebbc47222460e1d381c24bdded56b016.exe 1992 2bc7cc445712d5a8b6858600871fc2f3ebbc47222460e1d381c24bdded56b016.exe 1992 2bc7cc445712d5a8b6858600871fc2f3ebbc47222460e1d381c24bdded56b016.exe 2328 powershell.exe 2328 powershell.exe 2516 powershell.exe 2516 powershell.exe 2936 powershell.exe 2936 powershell.exe 2384 powershell.exe 2384 powershell.exe 2360 powershell.exe 2360 powershell.exe 4668 injector.exe 4668 injector.exe 4668 injector.exe 4668 injector.exe 4668 injector.exe 4668 injector.exe 3204 csrss.exe 3204 csrss.exe 4668 injector.exe 4668 injector.exe 4668 injector.exe 4668 injector.exe 4668 injector.exe 4668 injector.exe 3204 csrss.exe 3204 csrss.exe 4668 injector.exe 4668 injector.exe 4668 injector.exe 4668 injector.exe 3204 csrss.exe 3204 csrss.exe 4668 injector.exe 4668 injector.exe 4668 injector.exe 4668 injector.exe 4668 injector.exe 4668 injector.exe 4668 injector.exe 4668 injector.exe 4668 injector.exe 4668 injector.exe 4668 injector.exe 4668 injector.exe 4668 injector.exe 4668 injector.exe 4668 injector.exe 4668 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 3840 powershell.exe Token: SeDebugPrivilege 3460 2bc7cc445712d5a8b6858600871fc2f3ebbc47222460e1d381c24bdded56b016.exe Token: SeImpersonatePrivilege 3460 2bc7cc445712d5a8b6858600871fc2f3ebbc47222460e1d381c24bdded56b016.exe Token: SeDebugPrivilege 2128 powershell.exe Token: SeDebugPrivilege 2328 powershell.exe Token: SeDebugPrivilege 2516 powershell.exe Token: SeDebugPrivilege 2936 powershell.exe Token: SeDebugPrivilege 2384 powershell.exe Token: SeDebugPrivilege 2360 powershell.exe Token: SeSystemEnvironmentPrivilege 3204 csrss.exe Token: SeSecurityPrivilege 252 sc.exe Token: SeSecurityPrivilege 252 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 3460 wrote to memory of 3840 3460 2bc7cc445712d5a8b6858600871fc2f3ebbc47222460e1d381c24bdded56b016.exe 78 PID 3460 wrote to memory of 3840 3460 2bc7cc445712d5a8b6858600871fc2f3ebbc47222460e1d381c24bdded56b016.exe 78 PID 3460 wrote to memory of 3840 3460 2bc7cc445712d5a8b6858600871fc2f3ebbc47222460e1d381c24bdded56b016.exe 78 PID 1992 wrote to memory of 2128 1992 2bc7cc445712d5a8b6858600871fc2f3ebbc47222460e1d381c24bdded56b016.exe 88 PID 1992 wrote to memory of 2128 1992 2bc7cc445712d5a8b6858600871fc2f3ebbc47222460e1d381c24bdded56b016.exe 88 PID 1992 wrote to memory of 2128 1992 2bc7cc445712d5a8b6858600871fc2f3ebbc47222460e1d381c24bdded56b016.exe 88 PID 1992 wrote to memory of 3740 1992 2bc7cc445712d5a8b6858600871fc2f3ebbc47222460e1d381c24bdded56b016.exe 90 PID 1992 wrote to memory of 3740 1992 2bc7cc445712d5a8b6858600871fc2f3ebbc47222460e1d381c24bdded56b016.exe 90 PID 3740 wrote to memory of 4232 3740 cmd.exe 92 PID 3740 wrote to memory of 4232 3740 cmd.exe 92 PID 1992 wrote to memory of 2328 1992 2bc7cc445712d5a8b6858600871fc2f3ebbc47222460e1d381c24bdded56b016.exe 93 PID 1992 wrote to memory of 2328 1992 2bc7cc445712d5a8b6858600871fc2f3ebbc47222460e1d381c24bdded56b016.exe 93 PID 1992 wrote to memory of 2328 1992 2bc7cc445712d5a8b6858600871fc2f3ebbc47222460e1d381c24bdded56b016.exe 93 PID 1992 wrote to memory of 2516 1992 2bc7cc445712d5a8b6858600871fc2f3ebbc47222460e1d381c24bdded56b016.exe 95 PID 1992 wrote to memory of 2516 1992 2bc7cc445712d5a8b6858600871fc2f3ebbc47222460e1d381c24bdded56b016.exe 95 PID 1992 wrote to memory of 2516 1992 2bc7cc445712d5a8b6858600871fc2f3ebbc47222460e1d381c24bdded56b016.exe 95 PID 1992 wrote to memory of 3204 1992 2bc7cc445712d5a8b6858600871fc2f3ebbc47222460e1d381c24bdded56b016.exe 97 PID 1992 wrote to memory of 3204 1992 2bc7cc445712d5a8b6858600871fc2f3ebbc47222460e1d381c24bdded56b016.exe 97 PID 1992 wrote to memory of 3204 1992 2bc7cc445712d5a8b6858600871fc2f3ebbc47222460e1d381c24bdded56b016.exe 97 PID 3204 wrote to memory of 2936 3204 csrss.exe 98 PID 3204 wrote to memory of 2936 3204 csrss.exe 98 PID 3204 wrote to memory of 2936 3204 csrss.exe 98 PID 3204 wrote to memory of 2384 3204 csrss.exe 104 PID 3204 wrote to memory of 2384 3204 csrss.exe 104 PID 3204 wrote to memory of 2384 3204 csrss.exe 104 PID 3204 wrote to memory of 2360 3204 csrss.exe 106 PID 3204 wrote to memory of 2360 3204 csrss.exe 106 PID 3204 wrote to memory of 2360 3204 csrss.exe 106 PID 3204 wrote to memory of 4668 3204 csrss.exe 108 PID 3204 wrote to memory of 4668 3204 csrss.exe 108 PID 1580 wrote to memory of 1868 1580 windefender.exe 114 PID 1580 wrote to memory of 1868 1580 windefender.exe 114 PID 1580 wrote to memory of 1868 1580 windefender.exe 114 PID 1868 wrote to memory of 252 1868 cmd.exe 115 PID 1868 wrote to memory of 252 1868 cmd.exe 115 PID 1868 wrote to memory of 252 1868 cmd.exe 115 -
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\2bc7cc445712d5a8b6858600871fc2f3ebbc47222460e1d381c24bdded56b016.exe"C:\Users\Admin\AppData\Local\Temp\2bc7cc445712d5a8b6858600871fc2f3ebbc47222460e1d381c24bdded56b016.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3460 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3840 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3840 -s 24163⤵
- Program crash
PID:3012
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C:\Users\Admin\AppData\Local\Temp\2bc7cc445712d5a8b6858600871fc2f3ebbc47222460e1d381c24bdded56b016.exe"C:\Users\Admin\AppData\Local\Temp\2bc7cc445712d5a8b6858600871fc2f3ebbc47222460e1d381c24bdded56b016.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:1992 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2128
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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:3740 -
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:4232
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2328
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2516
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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:3204 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2936
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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:2340
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4764
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2384
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2360
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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:4668
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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:2944
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1580 -
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:1868 -
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:252
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3460 -s 9082⤵
- Program crash
PID:3008
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3840 -ip 38401⤵PID:5108
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 480 -p 3460 -ip 34601⤵PID:3808
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:940
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
MD5ac4917a885cf6050b1a483e4bc4d2ea5
SHA1b1c0a9f27bd21c6bbb8e9be70db8777b4a2a640f
SHA256e39062a62c3c7617feeeff95ea8a0be51104a0d36f46e44eea22556fda74d8d9
SHA512092c67a3ecae1d187cad72a8ea1ea37cb78a0cf79c2cd7fb88953e5990669a2e871267015762fd46d274badb88ac0c1d73b00f1df7394d89bed48a3a45c2ba3d
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD53c49ccc04eb8637f0a4001d83d6025f9
SHA1bde608f400a88d692a7eb0e66757beb8b471807d
SHA2566e31aa122b03272fd41308958c95bb09a083e99c8dbcc0ccb5c5ad30670bdd31
SHA51205bf01a59db26f4d74689b4c2cc5c2b84741dff2e9af3693f8e553ee6c92d6ec118b6a17cd7244626d8580eaa85f570a208cb4df49fdf6f4b4a28de5a0cac107
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD50fdaef78b79198dd09d10d3320ffbd87
SHA106b007ab6710722674e4b7989429e6b4a4398ff7
SHA256538c31630d816ffe36330454bce0432a2ea1e32ab26fbe4468c5039c7ff0f127
SHA512b865b52b3436bacc1235487460168e87bf76501250299238ad4feef4ca57fef55a96688e28bcf34ad2d018dfd4d0a7dd911c434b67c2d5bcae5a27d17fbf75ba
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD588bb28d72dfc913b593fb00f67459456
SHA133f51b54a7cd2ba9c64dc8580d9e39f10c28cab3
SHA25600b8d60537d718065133d4462b9828d582d13517b9b3bf4570bcfdbae3890408
SHA51263858884e021f28571fe2e02719cab4f3f7fd4006a2620ca6cf450262b411324064ef74154f13f8e83734b2c56e3f64e8e62e133763ef0307a0c675dc774ce29
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5985cfba641eb1aa132824778802bc8a8
SHA11c8af9292e07e9557e58cd457f0b84480aace070
SHA256855b979c9ecd43256d49c76067840a65fd92a693190c268df869ca4ef5cbad0a
SHA512fbc42b5858e26f23733fe504d95e702d86bc6f220536436c73f2062ee7195013b0f16a0b17821d622ea955bb84d25803e040aae681bc80b7f4e87e7fd6299bc0
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5bb0cb1013b47aaefca36b8912376da52
SHA1d310adf043d131fbb6466c7d7e839b5491a4a9cf
SHA256cd34ebabd8e88de184d602e0a1ce506a466d8c878cf23246a5984f66275b08fd
SHA512646fa226432a491e8e6bcae7fc4a9bf2875fbe6a01d24fa32931a96838fb6f4b7ba7964a1082d5bf65a161ef0475e7ac09dad8a758e32c54febed3c9d0f7d0ca
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Filesize
4.2MB
MD5ea7f243705934fdb4c00efd09d1da389
SHA132458a485bf4cca794dde36315c3cdef02731290
SHA2562bc7cc445712d5a8b6858600871fc2f3ebbc47222460e1d381c24bdded56b016
SHA5122a209497327427e1e878800f9219494a6b98f0a63cf69578aecbd183a879b671fe5453658dd751b3d005024d81fc43d35c7c4d06ba011afcd7e6c7a081232b66
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec