Analysis
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max time kernel
149s -
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
16/05/2024, 23:28
Static task
static1
Behavioral task
behavioral1
Sample
74c3d32746db25a1f5a3de2069e03f0f14f12de33d805f38108e70e7462e877a.exe
Resource
win10v2004-20240426-en
General
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Target
74c3d32746db25a1f5a3de2069e03f0f14f12de33d805f38108e70e7462e877a.exe
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Size
4.1MB
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MD5
3ecfc8d9e70b021a2495c32671731c82
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SHA1
bb132dbd4430a325e63ef3feb3f74837c1bcb2f2
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SHA256
74c3d32746db25a1f5a3de2069e03f0f14f12de33d805f38108e70e7462e877a
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SHA512
7c5f96a603091fbd2fa30cac96348c963f17aca27775ffc2c26e2538bfc3a0ffb748d4a894619212b5f8081cd875eda7d4b519bbc35e21d47942ad7eb455f601
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SSDEEP
49152:NP14wFe484iHbTFG8DZqgckdbbON2ATnCITQMciPqrNkjunhZbPMRZB6Unk18IeV:dH84inFrgm9NzwRsNe0ZFLetRCG6w
Malware Config
Signatures
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Glupteba payload 17 IoCs
resource yara_rule behavioral1/memory/4656-2-0x0000000002E00000-0x00000000036EB000-memory.dmp family_glupteba behavioral1/memory/4656-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4656-83-0x0000000002E00000-0x00000000036EB000-memory.dmp family_glupteba behavioral1/memory/4656-129-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4952-134-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4864-216-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4864-230-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4864-233-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4864-236-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4864-239-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4864-242-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4864-245-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4864-248-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4864-251-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4864-254-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4864-257-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4864-260-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 3992 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 4864 csrss.exe 4992 injector.exe 4296 windefender.exe 4052 windefender.exe -
resource yara_rule behavioral1/files/0x0008000000023449-220.dat upx behavioral1/memory/4296-221-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4296-225-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4052-224-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4052-228-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4052-234-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-540404634-651139247-2967210625-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 74c3d32746db25a1f5a3de2069e03f0f14f12de33d805f38108e70e7462e877a.exe Set value (str) \REGISTRY\USER\S-1-5-21-540404634-651139247-2967210625-1000\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 74c3d32746db25a1f5a3de2069e03f0f14f12de33d805f38108e70e7462e877a.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 74c3d32746db25a1f5a3de2069e03f0f14f12de33d805f38108e70e7462e877a.exe File created C:\Windows\rss\csrss.exe 74c3d32746db25a1f5a3de2069e03f0f14f12de33d805f38108e70e7462e877a.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 2824 sc.exe -
pid Process 4084 powershell.exe 3896 powershell.exe 2056 powershell.exe 756 powershell.exe 1516 powershell.exe 1596 powershell.exe 4068 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 896 schtasks.exe 1384 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,-2042 = "Eastern Standard Time (Mexico)" 74c3d32746db25a1f5a3de2069e03f0f14f12de33d805f38108e70e7462e877a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-334 = "Jordan Daylight Time" 74c3d32746db25a1f5a3de2069e03f0f14f12de33d805f38108e70e7462e877a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1871 = "Russia TZ 7 Daylight Time" 74c3d32746db25a1f5a3de2069e03f0f14f12de33d805f38108e70e7462e877a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-302 = "Romance Standard Time" 74c3d32746db25a1f5a3de2069e03f0f14f12de33d805f38108e70e7462e877a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-52 = "Greenland Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-602 = "Taipei Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-211 = "Pacific Daylight Time" 74c3d32746db25a1f5a3de2069e03f0f14f12de33d805f38108e70e7462e877a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-671 = "AUS Eastern Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2532 = "Chatham Islands Standard Time" windefender.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,-2492 = "Aus Central W. Standard Time" 74c3d32746db25a1f5a3de2069e03f0f14f12de33d805f38108e70e7462e877a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2372 = "Easter Island Standard Time" 74c3d32746db25a1f5a3de2069e03f0f14f12de33d805f38108e70e7462e877a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-3142 = "South Sudan Standard Time" 74c3d32746db25a1f5a3de2069e03f0f14f12de33d805f38108e70e7462e877a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.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,-461 = "Afghanistan Daylight Time" 74c3d32746db25a1f5a3de2069e03f0f14f12de33d805f38108e70e7462e877a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-91 = "Pacific SA Daylight Time" 74c3d32746db25a1f5a3de2069e03f0f14f12de33d805f38108e70e7462e877a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-961 = "Paraguay Daylight Time" 74c3d32746db25a1f5a3de2069e03f0f14f12de33d805f38108e70e7462e877a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-932 = "Coordinated Universal Time" 74c3d32746db25a1f5a3de2069e03f0f14f12de33d805f38108e70e7462e877a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-291 = "Central European Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-382 = "South Africa Standard Time" 74c3d32746db25a1f5a3de2069e03f0f14f12de33d805f38108e70e7462e877a.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,-1722 = "Libya Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-141 = "Canada Central Daylight Time" 74c3d32746db25a1f5a3de2069e03f0f14f12de33d805f38108e70e7462e877a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-252 = "Dateline Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2041 = "Eastern Daylight Time (Mexico)" windefender.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-42 = "E. South America Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-435 = "Georgian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-682 = "E. Australia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-434 = "Georgian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-682 = "E. Australia Standard Time" 74c3d32746db25a1f5a3de2069e03f0f14f12de33d805f38108e70e7462e877a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs 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,-214 = "Pacific Daylight Time (Mexico)" 74c3d32746db25a1f5a3de2069e03f0f14f12de33d805f38108e70e7462e877a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-162 = "Central Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2341 = "Haiti Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.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,-512 = "Central Asia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2491 = "Aus Central W. Daylight Time" 74c3d32746db25a1f5a3de2069e03f0f14f12de33d805f38108e70e7462e877a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-452 = "Caucasus Standard Time" 74c3d32746db25a1f5a3de2069e03f0f14f12de33d805f38108e70e7462e877a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2531 = "Chatham Islands Daylight Time" 74c3d32746db25a1f5a3de2069e03f0f14f12de33d805f38108e70e7462e877a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-351 = "FLE Daylight Time" 74c3d32746db25a1f5a3de2069e03f0f14f12de33d805f38108e70e7462e877a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-431 = "Iran Daylight Time" 74c3d32746db25a1f5a3de2069e03f0f14f12de33d805f38108e70e7462e877a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-341 = "Egypt Daylight 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,-1501 = "Turkey Daylight Time" 74c3d32746db25a1f5a3de2069e03f0f14f12de33d805f38108e70e7462e877a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2792 = "Novosibirsk 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" 74c3d32746db25a1f5a3de2069e03f0f14f12de33d805f38108e70e7462e877a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-661 = "Cen. Australia Daylight Time" 74c3d32746db25a1f5a3de2069e03f0f14f12de33d805f38108e70e7462e877a.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4068 powershell.exe 4068 powershell.exe 4656 74c3d32746db25a1f5a3de2069e03f0f14f12de33d805f38108e70e7462e877a.exe 4656 74c3d32746db25a1f5a3de2069e03f0f14f12de33d805f38108e70e7462e877a.exe 4084 powershell.exe 4084 powershell.exe 4952 74c3d32746db25a1f5a3de2069e03f0f14f12de33d805f38108e70e7462e877a.exe 4952 74c3d32746db25a1f5a3de2069e03f0f14f12de33d805f38108e70e7462e877a.exe 4952 74c3d32746db25a1f5a3de2069e03f0f14f12de33d805f38108e70e7462e877a.exe 4952 74c3d32746db25a1f5a3de2069e03f0f14f12de33d805f38108e70e7462e877a.exe 4952 74c3d32746db25a1f5a3de2069e03f0f14f12de33d805f38108e70e7462e877a.exe 4952 74c3d32746db25a1f5a3de2069e03f0f14f12de33d805f38108e70e7462e877a.exe 4952 74c3d32746db25a1f5a3de2069e03f0f14f12de33d805f38108e70e7462e877a.exe 4952 74c3d32746db25a1f5a3de2069e03f0f14f12de33d805f38108e70e7462e877a.exe 4952 74c3d32746db25a1f5a3de2069e03f0f14f12de33d805f38108e70e7462e877a.exe 4952 74c3d32746db25a1f5a3de2069e03f0f14f12de33d805f38108e70e7462e877a.exe 3896 powershell.exe 3896 powershell.exe 2056 powershell.exe 2056 powershell.exe 756 powershell.exe 756 powershell.exe 1516 powershell.exe 1516 powershell.exe 1596 powershell.exe 1596 powershell.exe 4992 injector.exe 4992 injector.exe 4992 injector.exe 4992 injector.exe 4992 injector.exe 4992 injector.exe 4864 csrss.exe 4864 csrss.exe 4992 injector.exe 4992 injector.exe 4992 injector.exe 4992 injector.exe 4992 injector.exe 4992 injector.exe 4864 csrss.exe 4864 csrss.exe 4992 injector.exe 4992 injector.exe 4992 injector.exe 4992 injector.exe 4864 csrss.exe 4864 csrss.exe 4992 injector.exe 4992 injector.exe 4992 injector.exe 4992 injector.exe 4992 injector.exe 4992 injector.exe 4992 injector.exe 4992 injector.exe 4992 injector.exe 4992 injector.exe 4992 injector.exe 4992 injector.exe 4992 injector.exe 4992 injector.exe 4992 injector.exe 4992 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 4068 powershell.exe Token: SeDebugPrivilege 4656 74c3d32746db25a1f5a3de2069e03f0f14f12de33d805f38108e70e7462e877a.exe Token: SeImpersonatePrivilege 4656 74c3d32746db25a1f5a3de2069e03f0f14f12de33d805f38108e70e7462e877a.exe Token: SeDebugPrivilege 4084 powershell.exe Token: SeDebugPrivilege 3896 powershell.exe Token: SeDebugPrivilege 2056 powershell.exe Token: SeDebugPrivilege 756 powershell.exe Token: SeDebugPrivilege 1516 powershell.exe Token: SeDebugPrivilege 1596 powershell.exe Token: SeSystemEnvironmentPrivilege 4864 csrss.exe Token: SeSecurityPrivilege 2824 sc.exe Token: SeSecurityPrivilege 2824 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 4656 wrote to memory of 4068 4656 74c3d32746db25a1f5a3de2069e03f0f14f12de33d805f38108e70e7462e877a.exe 86 PID 4656 wrote to memory of 4068 4656 74c3d32746db25a1f5a3de2069e03f0f14f12de33d805f38108e70e7462e877a.exe 86 PID 4656 wrote to memory of 4068 4656 74c3d32746db25a1f5a3de2069e03f0f14f12de33d805f38108e70e7462e877a.exe 86 PID 4952 wrote to memory of 4084 4952 74c3d32746db25a1f5a3de2069e03f0f14f12de33d805f38108e70e7462e877a.exe 97 PID 4952 wrote to memory of 4084 4952 74c3d32746db25a1f5a3de2069e03f0f14f12de33d805f38108e70e7462e877a.exe 97 PID 4952 wrote to memory of 4084 4952 74c3d32746db25a1f5a3de2069e03f0f14f12de33d805f38108e70e7462e877a.exe 97 PID 4952 wrote to memory of 4824 4952 74c3d32746db25a1f5a3de2069e03f0f14f12de33d805f38108e70e7462e877a.exe 99 PID 4952 wrote to memory of 4824 4952 74c3d32746db25a1f5a3de2069e03f0f14f12de33d805f38108e70e7462e877a.exe 99 PID 4824 wrote to memory of 3992 4824 cmd.exe 101 PID 4824 wrote to memory of 3992 4824 cmd.exe 101 PID 4952 wrote to memory of 3896 4952 74c3d32746db25a1f5a3de2069e03f0f14f12de33d805f38108e70e7462e877a.exe 104 PID 4952 wrote to memory of 3896 4952 74c3d32746db25a1f5a3de2069e03f0f14f12de33d805f38108e70e7462e877a.exe 104 PID 4952 wrote to memory of 3896 4952 74c3d32746db25a1f5a3de2069e03f0f14f12de33d805f38108e70e7462e877a.exe 104 PID 4952 wrote to memory of 2056 4952 74c3d32746db25a1f5a3de2069e03f0f14f12de33d805f38108e70e7462e877a.exe 106 PID 4952 wrote to memory of 2056 4952 74c3d32746db25a1f5a3de2069e03f0f14f12de33d805f38108e70e7462e877a.exe 106 PID 4952 wrote to memory of 2056 4952 74c3d32746db25a1f5a3de2069e03f0f14f12de33d805f38108e70e7462e877a.exe 106 PID 4952 wrote to memory of 4864 4952 74c3d32746db25a1f5a3de2069e03f0f14f12de33d805f38108e70e7462e877a.exe 108 PID 4952 wrote to memory of 4864 4952 74c3d32746db25a1f5a3de2069e03f0f14f12de33d805f38108e70e7462e877a.exe 108 PID 4952 wrote to memory of 4864 4952 74c3d32746db25a1f5a3de2069e03f0f14f12de33d805f38108e70e7462e877a.exe 108 PID 4864 wrote to memory of 756 4864 csrss.exe 109 PID 4864 wrote to memory of 756 4864 csrss.exe 109 PID 4864 wrote to memory of 756 4864 csrss.exe 109 PID 4864 wrote to memory of 1516 4864 csrss.exe 115 PID 4864 wrote to memory of 1516 4864 csrss.exe 115 PID 4864 wrote to memory of 1516 4864 csrss.exe 115 PID 4864 wrote to memory of 1596 4864 csrss.exe 117 PID 4864 wrote to memory of 1596 4864 csrss.exe 117 PID 4864 wrote to memory of 1596 4864 csrss.exe 117 PID 4864 wrote to memory of 4992 4864 csrss.exe 119 PID 4864 wrote to memory of 4992 4864 csrss.exe 119 PID 4296 wrote to memory of 3980 4296 windefender.exe 125 PID 4296 wrote to memory of 3980 4296 windefender.exe 125 PID 4296 wrote to memory of 3980 4296 windefender.exe 125 PID 3980 wrote to memory of 2824 3980 cmd.exe 126 PID 3980 wrote to memory of 2824 3980 cmd.exe 126 PID 3980 wrote to memory of 2824 3980 cmd.exe 126 -
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\74c3d32746db25a1f5a3de2069e03f0f14f12de33d805f38108e70e7462e877a.exe"C:\Users\Admin\AppData\Local\Temp\74c3d32746db25a1f5a3de2069e03f0f14f12de33d805f38108e70e7462e877a.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4656 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4068
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C:\Users\Admin\AppData\Local\Temp\74c3d32746db25a1f5a3de2069e03f0f14f12de33d805f38108e70e7462e877a.exe"C:\Users\Admin\AppData\Local\Temp\74c3d32746db25a1f5a3de2069e03f0f14f12de33d805f38108e70e7462e877a.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:4952 -
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:4084
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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:4824 -
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:3992
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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:3896
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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:2056
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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:4864 -
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:756
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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:896
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4076
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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:1516
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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:1596
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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:4992
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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:1384
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4296 -
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:3980 -
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:2824
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:4052
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
MD53d086a433708053f9bf9523e1d87a4e8
SHA1b3ab5d4f282a4c8fe8c3005b8a557ed5a0e37f28
SHA2566f8fd1b8d9788ad54eaeee329232187e24b7b43393a01aeba2d6e9675231fb69
SHA512931ae42b4c68a4507ff2342332b08eb407050d47cf4176137ea022d0f6e513c689e998445a04c6d18d4877391705c586bfce0234632b898d41aaed0957996dfd
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD51b3021c90f16b2b853656a869d015d2e
SHA1cddd74e1c7a7cd296671150a01c9faf38f574d4f
SHA256978ebfcba191c2b5da74a25258f809059c72e3099d8dbf6449d7f875760dbdab
SHA512646f7487e7d8981f797f3a65399d6e6f961002d2efb942cc85f473d9b5e604191f41784919bebc5c0da288590bb4fb58048ca1a23aeb05e544270b6ee1bf7c5e
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5ce89c6356dfb16501716b7fcfdcfde48
SHA10a0e600b92272ad297a3fb897d86bf161c4437af
SHA256da02aa649a053615dcc5b8461b5826cc1a1d4e0e01063b9f35784aa5b669d9aa
SHA512173f4658ffbe004bba0bc2adb17b4515249d56ca5222714d95afb76fa74453feb51cf1a93b3055cce87c091b88e2d4a5145abdbfca30e0fdde7c3f5e80cf5034
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5fd4a40bb229272fad25b7e46a01a504c
SHA110a1cfcf1fe46e4b89fffd1cee8f0c2fff56620b
SHA25612893c4bf75c5667870dfcd193befd23d2dd01ac906e089a3ce6b13e8411b292
SHA512e6fdeb82154fc2439cb4544a10d480be70d4047754744e97946b366681578b416e0ce0a2195674f2a9c20fe7004eb4e88e383a263fbecccb5cb7877d6fcbf141
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5a00225bb98563e5214f9e91b77682740
SHA11a0bae11bc520fb408a518856ff6eb4207121922
SHA25679428256316a874539e6316f7a8427b9cb7deb6d0dc92e3e413b7a0810708216
SHA5123c04e23ec263b618b1ff1a55acf285eeecc54b6ca46ec78ce8df3c507ab91893c8b7073b25d31f0a14890e79db12d548959c0f773efb4652ea29f8ab10d6d1cc
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD56bdf5a7397f0e65c18d24ea4ca4f9b9c
SHA17dba149288af312e7b725b1a9c77aa14b26504e3
SHA256ab7a945ff1d481c18a11527afb8a24abb1b462dd26e592037a153f31f2e071ee
SHA512a3cc94bcd1a332ebeda2aeb07edf49a93fec123ad954e9307dd69236857f5d6872afed80f5f2bab7e207200b1967e869ed8c21992a84ebf6eff8b1d5e6384ade
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Filesize
4.1MB
MD53ecfc8d9e70b021a2495c32671731c82
SHA1bb132dbd4430a325e63ef3feb3f74837c1bcb2f2
SHA25674c3d32746db25a1f5a3de2069e03f0f14f12de33d805f38108e70e7462e877a
SHA5127c5f96a603091fbd2fa30cac96348c963f17aca27775ffc2c26e2538bfc3a0ffb748d4a894619212b5f8081cd875eda7d4b519bbc35e21d47942ad7eb455f601
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec