Analysis
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max time kernel
150s -
max time network
153s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system -
submitted
16/05/2024, 12:54
Static task
static1
Behavioral task
behavioral1
Sample
3c14475bc545453113431692f26fc24970ddde726c42898a435620d3fd1742f3.exe
Resource
win10v2004-20240426-en
General
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Target
3c14475bc545453113431692f26fc24970ddde726c42898a435620d3fd1742f3.exe
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Size
4.1MB
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MD5
29bf67403a5506d111edd28996792b54
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SHA1
46c730683e0bf6daccfbf768e06ed2f2f9b8d336
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SHA256
3c14475bc545453113431692f26fc24970ddde726c42898a435620d3fd1742f3
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SHA512
bfe2cee450c3f5827d9d6ceaf6318dcfc1b172ddb69031afc7f11342e01833eeaa5a68b9e364291288389eff4053563ee6f1cb628776bc387e2c88a876a4d230
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SSDEEP
98304:El9GTbLtL99uWlQGfUFGGhNMfnjCzwWu2csDCx3z+tx:pT3oWlQMUAMlWxj+tx
Malware Config
Signatures
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Glupteba payload 18 IoCs
resource yara_rule behavioral1/memory/2900-2-0x0000000002D50000-0x000000000363B000-memory.dmp family_glupteba behavioral1/memory/2900-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2900-82-0x0000000002D50000-0x000000000363B000-memory.dmp family_glupteba behavioral1/memory/2900-118-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/808-134-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/540-214-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/540-225-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/540-228-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/540-231-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/540-234-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/540-237-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/540-240-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/540-243-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/540-246-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/540-249-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/540-252-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/540-255-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/540-258-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 1164 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 540 csrss.exe 4440 injector.exe 3452 windefender.exe 2588 windefender.exe -
resource yara_rule behavioral1/files/0x000f000000023377-217.dat upx behavioral1/memory/3452-219-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2588-222-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3452-224-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2588-227-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2588-233-0x0000000000400000-0x00000000008DF000-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\"" 3c14475bc545453113431692f26fc24970ddde726c42898a435620d3fd1742f3.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 3c14475bc545453113431692f26fc24970ddde726c42898a435620d3fd1742f3.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 3c14475bc545453113431692f26fc24970ddde726c42898a435620d3fd1742f3.exe File created C:\Windows\rss\csrss.exe 3c14475bc545453113431692f26fc24970ddde726c42898a435620d3fd1742f3.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 3036 sc.exe -
pid Process 2860 powershell.exe 2484 powershell.exe 3652 powershell.exe 4452 powershell.exe 4572 powershell.exe 3372 powershell.exe 1612 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 5108 schtasks.exe 2088 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\C:\Windows\system32\,@tzres.dll,-841 = "Argentina Daylight Time" 3c14475bc545453113431692f26fc24970ddde726c42898a435620d3fd1742f3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-214 = "Pacific Daylight Time (Mexico)" 3c14475bc545453113431692f26fc24970ddde726c42898a435620d3fd1742f3.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-511 = "Central Asia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-911 = "Mauritius Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-561 = "SE Asia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-351 = "FLE Daylight Time" 3c14475bc545453113431692f26fc24970ddde726c42898a435620d3fd1742f3.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-751 = "Tonga Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1042 = "Ulaanbaatar Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-511 = "Central Asia Daylight Time" 3c14475bc545453113431692f26fc24970ddde726c42898a435620d3fd1742f3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-722 = "Central Pacific Standard Time" 3c14475bc545453113431692f26fc24970ddde726c42898a435620d3fd1742f3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-371 = "Jerusalem Daylight Time" 3c14475bc545453113431692f26fc24970ddde726c42898a435620d3fd1742f3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-691 = "Tasmania Daylight Time" 3c14475bc545453113431692f26fc24970ddde726c42898a435620d3fd1742f3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-751 = "Tonga Daylight Time" 3c14475bc545453113431692f26fc24970ddde726c42898a435620d3fd1742f3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-132 = "US Eastern Standard Time" 3c14475bc545453113431692f26fc24970ddde726c42898a435620d3fd1742f3.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1842 = "Russia TZ 4 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-104 = "Central Brazilian Daylight Time" 3c14475bc545453113431692f26fc24970ddde726c42898a435620d3fd1742f3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2142 = "Transbaikal Standard Time" 3c14475bc545453113431692f26fc24970ddde726c42898a435620d3fd1742f3.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2871 = "Magallanes Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-3052 = "Qyzylorda Standard Time" 3c14475bc545453113431692f26fc24970ddde726c42898a435620d3fd1742f3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1501 = "Turkey Daylight Time" 3c14475bc545453113431692f26fc24970ddde726c42898a435620d3fd1742f3.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates 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,-105 = "Central Brazilian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-791 = "SA Western Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-271 = "Greenwich Daylight Time" 3c14475bc545453113431692f26fc24970ddde726c42898a435620d3fd1742f3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2871 = "Magallanes Daylight Time" 3c14475bc545453113431692f26fc24970ddde726c42898a435620d3fd1742f3.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\@tzres.dll,-1972 = "Belarus Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1932 = "Russia TZ 11 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-201 = "US Mountain Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-332 = "E. Europe Standard Time" 3c14475bc545453113431692f26fc24970ddde726c42898a435620d3fd1742f3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1802 = "Line Islands Standard Time" 3c14475bc545453113431692f26fc24970ddde726c42898a435620d3fd1742f3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-672 = "AUS Eastern Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-261 = "GMT Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-491 = "India Daylight Time" 3c14475bc545453113431692f26fc24970ddde726c42898a435620d3fd1742f3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1821 = "Russia TZ 1 Daylight Time" 3c14475bc545453113431692f26fc24970ddde726c42898a435620d3fd1742f3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1862 = "Russia TZ 6 Standard Time" 3c14475bc545453113431692f26fc24970ddde726c42898a435620d3fd1742f3.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2792 = "Novosibirsk Standard Time" 3c14475bc545453113431692f26fc24970ddde726c42898a435620d3fd1742f3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-71 = "Newfoundland Daylight Time" 3c14475bc545453113431692f26fc24970ddde726c42898a435620d3fd1742f3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1502 = "Turkey Standard Time" 3c14475bc545453113431692f26fc24970ddde726c42898a435620d3fd1742f3.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1662 = "Bahia Standard Time" windefender.exe 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,-1911 = "Russia TZ 10 Daylight Time" 3c14475bc545453113431692f26fc24970ddde726c42898a435620d3fd1742f3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-561 = "SE Asia Daylight Time" 3c14475bc545453113431692f26fc24970ddde726c42898a435620d3fd1742f3.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1841 = "Russia TZ 4 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1722 = "Libya Standard Time" windefender.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,-1972 = "Belarus Standard Time" 3c14475bc545453113431692f26fc24970ddde726c42898a435620d3fd1742f3.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2484 powershell.exe 2484 powershell.exe 2900 3c14475bc545453113431692f26fc24970ddde726c42898a435620d3fd1742f3.exe 2900 3c14475bc545453113431692f26fc24970ddde726c42898a435620d3fd1742f3.exe 3652 powershell.exe 3652 powershell.exe 3652 powershell.exe 808 3c14475bc545453113431692f26fc24970ddde726c42898a435620d3fd1742f3.exe 808 3c14475bc545453113431692f26fc24970ddde726c42898a435620d3fd1742f3.exe 808 3c14475bc545453113431692f26fc24970ddde726c42898a435620d3fd1742f3.exe 808 3c14475bc545453113431692f26fc24970ddde726c42898a435620d3fd1742f3.exe 808 3c14475bc545453113431692f26fc24970ddde726c42898a435620d3fd1742f3.exe 808 3c14475bc545453113431692f26fc24970ddde726c42898a435620d3fd1742f3.exe 808 3c14475bc545453113431692f26fc24970ddde726c42898a435620d3fd1742f3.exe 808 3c14475bc545453113431692f26fc24970ddde726c42898a435620d3fd1742f3.exe 808 3c14475bc545453113431692f26fc24970ddde726c42898a435620d3fd1742f3.exe 808 3c14475bc545453113431692f26fc24970ddde726c42898a435620d3fd1742f3.exe 4452 powershell.exe 4452 powershell.exe 4452 powershell.exe 4572 powershell.exe 4572 powershell.exe 4572 powershell.exe 3372 powershell.exe 3372 powershell.exe 3372 powershell.exe 1612 powershell.exe 1612 powershell.exe 2860 powershell.exe 2860 powershell.exe 4440 injector.exe 4440 injector.exe 4440 injector.exe 4440 injector.exe 4440 injector.exe 4440 injector.exe 540 csrss.exe 540 csrss.exe 4440 injector.exe 4440 injector.exe 4440 injector.exe 4440 injector.exe 4440 injector.exe 4440 injector.exe 540 csrss.exe 540 csrss.exe 4440 injector.exe 4440 injector.exe 4440 injector.exe 4440 injector.exe 540 csrss.exe 540 csrss.exe 4440 injector.exe 4440 injector.exe 4440 injector.exe 4440 injector.exe 4440 injector.exe 4440 injector.exe 4440 injector.exe 4440 injector.exe 4440 injector.exe 4440 injector.exe 4440 injector.exe 4440 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 2484 powershell.exe Token: SeDebugPrivilege 2900 3c14475bc545453113431692f26fc24970ddde726c42898a435620d3fd1742f3.exe Token: SeImpersonatePrivilege 2900 3c14475bc545453113431692f26fc24970ddde726c42898a435620d3fd1742f3.exe Token: SeDebugPrivilege 3652 powershell.exe Token: SeDebugPrivilege 4452 powershell.exe Token: SeDebugPrivilege 4572 powershell.exe Token: SeDebugPrivilege 3372 powershell.exe Token: SeDebugPrivilege 1612 powershell.exe Token: SeDebugPrivilege 2860 powershell.exe Token: SeSystemEnvironmentPrivilege 540 csrss.exe Token: SeSecurityPrivilege 3036 sc.exe Token: SeSecurityPrivilege 3036 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 2900 wrote to memory of 2484 2900 3c14475bc545453113431692f26fc24970ddde726c42898a435620d3fd1742f3.exe 87 PID 2900 wrote to memory of 2484 2900 3c14475bc545453113431692f26fc24970ddde726c42898a435620d3fd1742f3.exe 87 PID 2900 wrote to memory of 2484 2900 3c14475bc545453113431692f26fc24970ddde726c42898a435620d3fd1742f3.exe 87 PID 808 wrote to memory of 3652 808 3c14475bc545453113431692f26fc24970ddde726c42898a435620d3fd1742f3.exe 96 PID 808 wrote to memory of 3652 808 3c14475bc545453113431692f26fc24970ddde726c42898a435620d3fd1742f3.exe 96 PID 808 wrote to memory of 3652 808 3c14475bc545453113431692f26fc24970ddde726c42898a435620d3fd1742f3.exe 96 PID 808 wrote to memory of 5012 808 3c14475bc545453113431692f26fc24970ddde726c42898a435620d3fd1742f3.exe 99 PID 808 wrote to memory of 5012 808 3c14475bc545453113431692f26fc24970ddde726c42898a435620d3fd1742f3.exe 99 PID 5012 wrote to memory of 1164 5012 cmd.exe 101 PID 5012 wrote to memory of 1164 5012 cmd.exe 101 PID 808 wrote to memory of 4452 808 3c14475bc545453113431692f26fc24970ddde726c42898a435620d3fd1742f3.exe 102 PID 808 wrote to memory of 4452 808 3c14475bc545453113431692f26fc24970ddde726c42898a435620d3fd1742f3.exe 102 PID 808 wrote to memory of 4452 808 3c14475bc545453113431692f26fc24970ddde726c42898a435620d3fd1742f3.exe 102 PID 808 wrote to memory of 4572 808 3c14475bc545453113431692f26fc24970ddde726c42898a435620d3fd1742f3.exe 104 PID 808 wrote to memory of 4572 808 3c14475bc545453113431692f26fc24970ddde726c42898a435620d3fd1742f3.exe 104 PID 808 wrote to memory of 4572 808 3c14475bc545453113431692f26fc24970ddde726c42898a435620d3fd1742f3.exe 104 PID 808 wrote to memory of 540 808 3c14475bc545453113431692f26fc24970ddde726c42898a435620d3fd1742f3.exe 108 PID 808 wrote to memory of 540 808 3c14475bc545453113431692f26fc24970ddde726c42898a435620d3fd1742f3.exe 108 PID 808 wrote to memory of 540 808 3c14475bc545453113431692f26fc24970ddde726c42898a435620d3fd1742f3.exe 108 PID 540 wrote to memory of 3372 540 csrss.exe 109 PID 540 wrote to memory of 3372 540 csrss.exe 109 PID 540 wrote to memory of 3372 540 csrss.exe 109 PID 540 wrote to memory of 1612 540 csrss.exe 116 PID 540 wrote to memory of 1612 540 csrss.exe 116 PID 540 wrote to memory of 1612 540 csrss.exe 116 PID 540 wrote to memory of 2860 540 csrss.exe 118 PID 540 wrote to memory of 2860 540 csrss.exe 118 PID 540 wrote to memory of 2860 540 csrss.exe 118 PID 540 wrote to memory of 4440 540 csrss.exe 120 PID 540 wrote to memory of 4440 540 csrss.exe 120 PID 3452 wrote to memory of 2332 3452 windefender.exe 128 PID 3452 wrote to memory of 2332 3452 windefender.exe 128 PID 3452 wrote to memory of 2332 3452 windefender.exe 128 PID 2332 wrote to memory of 3036 2332 cmd.exe 129 PID 2332 wrote to memory of 3036 2332 cmd.exe 129 PID 2332 wrote to memory of 3036 2332 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\3c14475bc545453113431692f26fc24970ddde726c42898a435620d3fd1742f3.exe"C:\Users\Admin\AppData\Local\Temp\3c14475bc545453113431692f26fc24970ddde726c42898a435620d3fd1742f3.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2900 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2484
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C:\Users\Admin\AppData\Local\Temp\3c14475bc545453113431692f26fc24970ddde726c42898a435620d3fd1742f3.exe"C:\Users\Admin\AppData\Local\Temp\3c14475bc545453113431692f26fc24970ddde726c42898a435620d3fd1742f3.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:808 -
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:3652
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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:5012 -
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:1164
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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:4452
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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:4572
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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:540 -
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:3372
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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:5108
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:1252
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1612
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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:2860
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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:4440
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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:2088
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3452 -
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:2332 -
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:3036
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:2588
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
MD566a6c5d7f78c30a581cb3b2360f08695
SHA187dab06aa9771e960306a0d94563d3d8594d4239
SHA2560e94118c27524bf0022e82afa1544fbe365aedb4f8a3927dbb89c39944e55d94
SHA512b894b0616d88211fe2559079a1b0cf360f2efaf2d32e09a2edb6b15370d9f8ea9a14a84e766fcdc20c27c4648e83ec48908cc814e8d92a96fa3f0361842101c0
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD52d57188a1227d8d6c4a488913df96286
SHA177c2037b127a94ef5fa9a81b2fad7bc547b57aff
SHA256f48612afd33ef5b3f487b97d8a2812931a2c4b6d3fe1289d80026e887efb69b7
SHA5129aaab4b873e15698a0fc8876413d59f1d000f9faeddf028a08dfab15130f37a98ed19c8709b05925b1abcf4d5fbfe6b4f68259203d7e2f99d36b42702917ecc7
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5afecd27bc0b6560b07cd02923e4900af
SHA1c0c7a936bd960d551dd907351283476e24c2e9c8
SHA2562963a78922f1e4b6b28eaf629a33d3f0771d65ae07750aac53bc13ba97572e33
SHA512ac80be7404e72ca80122bed445ea8cef6ab2bf6bcb7240e82b8327b1416a39903f295efe72de6d254f0cad121866f04c5fcff225584ed7bd95ea3c68fafcea11
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5fed0251730ea75b11989ca2e4e5b85a5
SHA19d9052050615108ca983336ffa4d09dd3b9f9176
SHA256afbb4a8ca695a233f76e5604de5ab4302438d9e7730c2950cae14102d87d7ece
SHA51258670431a3ee31eb39b05afc084b9b06ce6189b247fa7647d4fafa6e385951f001f54974787d8bc0a351c3c9f8d68e0377bd7f23df267c4d5735d8c85287b3f6
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5ad3ab4e1ebc5a16cb77ea8efe90bb559
SHA12a840cbc8f405db8c717c1fdfe9ad18ba74937fb
SHA2563a1a1aea49f9d744f2049a34e0f0acb94371f9ae62853149e072d62185d3b528
SHA5124f47c4a76cf139ce49d0088962831ead18e4572c79fee585d5aa87937dc4a3534cb2779509f8f2c0dfaae36dacf16a8f519db4a035384e8b150a0607cca9346c
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Filesize
4.1MB
MD529bf67403a5506d111edd28996792b54
SHA146c730683e0bf6daccfbf768e06ed2f2f9b8d336
SHA2563c14475bc545453113431692f26fc24970ddde726c42898a435620d3fd1742f3
SHA512bfe2cee450c3f5827d9d6ceaf6318dcfc1b172ddb69031afc7f11342e01833eeaa5a68b9e364291288389eff4053563ee6f1cb628776bc387e2c88a876a4d230
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec