Analysis
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max time kernel
150s -
max time network
152s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
17-05-2024 13:29
Static task
static1
Behavioral task
behavioral1
Sample
a94d5b2f6f5350f766a1e7d6ebdc12da6d5f35de6ac9089bb1728550e2a4d6f1.exe
Resource
win10v2004-20240508-en
General
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Target
a94d5b2f6f5350f766a1e7d6ebdc12da6d5f35de6ac9089bb1728550e2a4d6f1.exe
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Size
4.1MB
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MD5
e48cf825462ae46dfbb3aab60c452328
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SHA1
ad88128d759425091bf1d6594a5bfbdc1ef47283
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SHA256
a94d5b2f6f5350f766a1e7d6ebdc12da6d5f35de6ac9089bb1728550e2a4d6f1
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SHA512
d9db0087094bda4c8320d55d840bbe09027d2b34d83a2308e25db62eaa5f3d968eb99cecf919ef4311b23841d4d2a9ada662987afa60b23e9f2ffbbada095366
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SSDEEP
98304:EQJMl/iXMhTmfDhNRe9xfYVEx7xkD10HZd3scl3XzHAtmo0FC:/b8hTmbBIxHPR3rn3oKC
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral1/memory/3400-2-0x0000000004CA0000-0x000000000558B000-memory.dmp family_glupteba behavioral1/memory/3400-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3400-4-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/3400-58-0x0000000004CA0000-0x000000000558B000-memory.dmp family_glupteba behavioral1/memory/3400-59-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3400-56-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/2100-85-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/2100-139-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/2652-165-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/2652-223-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/2652-233-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/2652-235-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/2652-237-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/2652-239-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/2652-241-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/2652-243-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/2652-245-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/2652-247-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/2652-249-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 3404 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 2652 csrss.exe 4948 injector.exe 2924 windefender.exe 2364 windefender.exe -
resource yara_rule behavioral1/files/0x00080000000233ec-226.dat upx behavioral1/memory/2924-227-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2364-230-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2924-232-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2364-234-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2364-238-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" a94d5b2f6f5350f766a1e7d6ebdc12da6d5f35de6ac9089bb1728550e2a4d6f1.exe Set value (str) \REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000\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 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 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 a94d5b2f6f5350f766a1e7d6ebdc12da6d5f35de6ac9089bb1728550e2a4d6f1.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 a94d5b2f6f5350f766a1e7d6ebdc12da6d5f35de6ac9089bb1728550e2a4d6f1.exe File created C:\Windows\rss\csrss.exe a94d5b2f6f5350f766a1e7d6ebdc12da6d5f35de6ac9089bb1728550e2a4d6f1.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 1724 sc.exe -
pid Process 1160 powershell.exe 3324 powershell.exe 4360 powershell.exe 4656 powershell.exe 5076 powershell.exe 1976 powershell.exe 4688 powershell.exe -
Program crash 1 IoCs
pid pid_target Process procid_target 2656 2100 WerFault.exe 97 -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 4128 schtasks.exe 4868 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1472 = "Magadan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-831 = "SA Eastern Daylight Time" a94d5b2f6f5350f766a1e7d6ebdc12da6d5f35de6ac9089bb1728550e2a4d6f1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-601 = "Taipei Daylight Time" a94d5b2f6f5350f766a1e7d6ebdc12da6d5f35de6ac9089bb1728550e2a4d6f1.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.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,-2941 = "Sao Tome Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-382 = "South Africa Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2591 = "Tocantins Daylight 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,-561 = "SE Asia Daylight Time" a94d5b2f6f5350f766a1e7d6ebdc12da6d5f35de6ac9089bb1728550e2a4d6f1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-202 = "US Mountain Standard Time" a94d5b2f6f5350f766a1e7d6ebdc12da6d5f35de6ac9089bb1728550e2a4d6f1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-932 = "Coordinated Universal Time" a94d5b2f6f5350f766a1e7d6ebdc12da6d5f35de6ac9089bb1728550e2a4d6f1.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.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,-661 = "Cen. Australia Daylight Time" a94d5b2f6f5350f766a1e7d6ebdc12da6d5f35de6ac9089bb1728550e2a4d6f1.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2391 = "Aleutian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2841 = "Saratov Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-81 = "Atlantic Daylight Time" a94d5b2f6f5350f766a1e7d6ebdc12da6d5f35de6ac9089bb1728550e2a4d6f1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1832 = "Russia TZ 2 Standard Time" a94d5b2f6f5350f766a1e7d6ebdc12da6d5f35de6ac9089bb1728550e2a4d6f1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-449 = "Azerbaijan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-172 = "Central Standard Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-872 = "Pakistan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-792 = "SA Western Standard Time" a94d5b2f6f5350f766a1e7d6ebdc12da6d5f35de6ac9089bb1728550e2a4d6f1.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2181 = "Astrakhan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-651 = "AUS Central Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-215 = "Pacific Standard Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-662 = "Cen. Australia Standard Time" a94d5b2f6f5350f766a1e7d6ebdc12da6d5f35de6ac9089bb1728550e2a4d6f1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-742 = "New Zealand Standard Time" a94d5b2f6f5350f766a1e7d6ebdc12da6d5f35de6ac9089bb1728550e2a4d6f1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-531 = "Sri Lanka Daylight Time" a94d5b2f6f5350f766a1e7d6ebdc12da6d5f35de6ac9089bb1728550e2a4d6f1.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-462 = "Afghanistan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-222 = "Alaskan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-291 = "Central European Daylight Time" a94d5b2f6f5350f766a1e7d6ebdc12da6d5f35de6ac9089bb1728550e2a4d6f1.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.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,-1801 = "Line Islands Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-72 = "Newfoundland Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1411 = "Syria Daylight Time" a94d5b2f6f5350f766a1e7d6ebdc12da6d5f35de6ac9089bb1728550e2a4d6f1.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed 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,-2182 = "Astrakhan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1971 = "Belarus Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-722 = "Central Pacific Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-531 = "Sri Lanka Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-161 = "Central Daylight Time" a94d5b2f6f5350f766a1e7d6ebdc12da6d5f35de6ac9089bb1728550e2a4d6f1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-411 = "E. Africa Daylight Time" a94d5b2f6f5350f766a1e7d6ebdc12da6d5f35de6ac9089bb1728550e2a4d6f1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1822 = "Russia TZ 1 Standard Time" a94d5b2f6f5350f766a1e7d6ebdc12da6d5f35de6ac9089bb1728550e2a4d6f1.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-721 = "Central Pacific Daylight Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1160 powershell.exe 1160 powershell.exe 3400 a94d5b2f6f5350f766a1e7d6ebdc12da6d5f35de6ac9089bb1728550e2a4d6f1.exe 3400 a94d5b2f6f5350f766a1e7d6ebdc12da6d5f35de6ac9089bb1728550e2a4d6f1.exe 3324 powershell.exe 3324 powershell.exe 2100 a94d5b2f6f5350f766a1e7d6ebdc12da6d5f35de6ac9089bb1728550e2a4d6f1.exe 2100 a94d5b2f6f5350f766a1e7d6ebdc12da6d5f35de6ac9089bb1728550e2a4d6f1.exe 2100 a94d5b2f6f5350f766a1e7d6ebdc12da6d5f35de6ac9089bb1728550e2a4d6f1.exe 2100 a94d5b2f6f5350f766a1e7d6ebdc12da6d5f35de6ac9089bb1728550e2a4d6f1.exe 2100 a94d5b2f6f5350f766a1e7d6ebdc12da6d5f35de6ac9089bb1728550e2a4d6f1.exe 2100 a94d5b2f6f5350f766a1e7d6ebdc12da6d5f35de6ac9089bb1728550e2a4d6f1.exe 2100 a94d5b2f6f5350f766a1e7d6ebdc12da6d5f35de6ac9089bb1728550e2a4d6f1.exe 2100 a94d5b2f6f5350f766a1e7d6ebdc12da6d5f35de6ac9089bb1728550e2a4d6f1.exe 2100 a94d5b2f6f5350f766a1e7d6ebdc12da6d5f35de6ac9089bb1728550e2a4d6f1.exe 2100 a94d5b2f6f5350f766a1e7d6ebdc12da6d5f35de6ac9089bb1728550e2a4d6f1.exe 4360 powershell.exe 4360 powershell.exe 4656 powershell.exe 4656 powershell.exe 5076 powershell.exe 5076 powershell.exe 1976 powershell.exe 1976 powershell.exe 4688 powershell.exe 4688 powershell.exe 4948 injector.exe 4948 injector.exe 4948 injector.exe 4948 injector.exe 4948 injector.exe 4948 injector.exe 4948 injector.exe 2652 csrss.exe 4948 injector.exe 2652 csrss.exe 4948 injector.exe 4948 injector.exe 4948 injector.exe 4948 injector.exe 2652 csrss.exe 2652 csrss.exe 4948 injector.exe 4948 injector.exe 2652 csrss.exe 2652 csrss.exe 4948 injector.exe 4948 injector.exe 4948 injector.exe 4948 injector.exe 4948 injector.exe 4948 injector.exe 4948 injector.exe 4948 injector.exe 4948 injector.exe 4948 injector.exe 4948 injector.exe 4948 injector.exe 4948 injector.exe 4948 injector.exe 4948 injector.exe 4948 injector.exe 4948 injector.exe 4948 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 1160 powershell.exe Token: SeDebugPrivilege 3400 a94d5b2f6f5350f766a1e7d6ebdc12da6d5f35de6ac9089bb1728550e2a4d6f1.exe Token: SeImpersonatePrivilege 3400 a94d5b2f6f5350f766a1e7d6ebdc12da6d5f35de6ac9089bb1728550e2a4d6f1.exe Token: SeDebugPrivilege 3324 powershell.exe Token: SeDebugPrivilege 4360 powershell.exe Token: SeDebugPrivilege 4656 powershell.exe Token: SeDebugPrivilege 5076 powershell.exe Token: SeDebugPrivilege 1976 powershell.exe Token: SeDebugPrivilege 4688 powershell.exe Token: SeSystemEnvironmentPrivilege 2652 csrss.exe Token: SeSecurityPrivilege 1724 sc.exe Token: SeSecurityPrivilege 1724 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 3400 wrote to memory of 1160 3400 a94d5b2f6f5350f766a1e7d6ebdc12da6d5f35de6ac9089bb1728550e2a4d6f1.exe 92 PID 3400 wrote to memory of 1160 3400 a94d5b2f6f5350f766a1e7d6ebdc12da6d5f35de6ac9089bb1728550e2a4d6f1.exe 92 PID 3400 wrote to memory of 1160 3400 a94d5b2f6f5350f766a1e7d6ebdc12da6d5f35de6ac9089bb1728550e2a4d6f1.exe 92 PID 2100 wrote to memory of 3324 2100 a94d5b2f6f5350f766a1e7d6ebdc12da6d5f35de6ac9089bb1728550e2a4d6f1.exe 98 PID 2100 wrote to memory of 3324 2100 a94d5b2f6f5350f766a1e7d6ebdc12da6d5f35de6ac9089bb1728550e2a4d6f1.exe 98 PID 2100 wrote to memory of 3324 2100 a94d5b2f6f5350f766a1e7d6ebdc12da6d5f35de6ac9089bb1728550e2a4d6f1.exe 98 PID 2100 wrote to memory of 4220 2100 a94d5b2f6f5350f766a1e7d6ebdc12da6d5f35de6ac9089bb1728550e2a4d6f1.exe 100 PID 2100 wrote to memory of 4220 2100 a94d5b2f6f5350f766a1e7d6ebdc12da6d5f35de6ac9089bb1728550e2a4d6f1.exe 100 PID 4220 wrote to memory of 3404 4220 cmd.exe 102 PID 4220 wrote to memory of 3404 4220 cmd.exe 102 PID 2100 wrote to memory of 4360 2100 a94d5b2f6f5350f766a1e7d6ebdc12da6d5f35de6ac9089bb1728550e2a4d6f1.exe 103 PID 2100 wrote to memory of 4360 2100 a94d5b2f6f5350f766a1e7d6ebdc12da6d5f35de6ac9089bb1728550e2a4d6f1.exe 103 PID 2100 wrote to memory of 4360 2100 a94d5b2f6f5350f766a1e7d6ebdc12da6d5f35de6ac9089bb1728550e2a4d6f1.exe 103 PID 2100 wrote to memory of 4656 2100 a94d5b2f6f5350f766a1e7d6ebdc12da6d5f35de6ac9089bb1728550e2a4d6f1.exe 106 PID 2100 wrote to memory of 4656 2100 a94d5b2f6f5350f766a1e7d6ebdc12da6d5f35de6ac9089bb1728550e2a4d6f1.exe 106 PID 2100 wrote to memory of 4656 2100 a94d5b2f6f5350f766a1e7d6ebdc12da6d5f35de6ac9089bb1728550e2a4d6f1.exe 106 PID 2100 wrote to memory of 2652 2100 a94d5b2f6f5350f766a1e7d6ebdc12da6d5f35de6ac9089bb1728550e2a4d6f1.exe 108 PID 2100 wrote to memory of 2652 2100 a94d5b2f6f5350f766a1e7d6ebdc12da6d5f35de6ac9089bb1728550e2a4d6f1.exe 108 PID 2100 wrote to memory of 2652 2100 a94d5b2f6f5350f766a1e7d6ebdc12da6d5f35de6ac9089bb1728550e2a4d6f1.exe 108 PID 2652 wrote to memory of 5076 2652 csrss.exe 113 PID 2652 wrote to memory of 5076 2652 csrss.exe 113 PID 2652 wrote to memory of 5076 2652 csrss.exe 113 PID 2652 wrote to memory of 1976 2652 csrss.exe 119 PID 2652 wrote to memory of 1976 2652 csrss.exe 119 PID 2652 wrote to memory of 1976 2652 csrss.exe 119 PID 2652 wrote to memory of 4688 2652 csrss.exe 121 PID 2652 wrote to memory of 4688 2652 csrss.exe 121 PID 2652 wrote to memory of 4688 2652 csrss.exe 121 PID 2652 wrote to memory of 4948 2652 csrss.exe 123 PID 2652 wrote to memory of 4948 2652 csrss.exe 123 PID 2924 wrote to memory of 2484 2924 windefender.exe 129 PID 2924 wrote to memory of 2484 2924 windefender.exe 129 PID 2924 wrote to memory of 2484 2924 windefender.exe 129 PID 2484 wrote to memory of 1724 2484 cmd.exe 130 PID 2484 wrote to memory of 1724 2484 cmd.exe 130 PID 2484 wrote to memory of 1724 2484 cmd.exe 130 -
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\a94d5b2f6f5350f766a1e7d6ebdc12da6d5f35de6ac9089bb1728550e2a4d6f1.exe"C:\Users\Admin\AppData\Local\Temp\a94d5b2f6f5350f766a1e7d6ebdc12da6d5f35de6ac9089bb1728550e2a4d6f1.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3400 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1160
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C:\Users\Admin\AppData\Local\Temp\a94d5b2f6f5350f766a1e7d6ebdc12da6d5f35de6ac9089bb1728550e2a4d6f1.exe"C:\Users\Admin\AppData\Local\Temp\a94d5b2f6f5350f766a1e7d6ebdc12da6d5f35de6ac9089bb1728550e2a4d6f1.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:2100 -
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:3324
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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:4220 -
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:3404
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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:4360
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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:4656
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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:2652 -
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:5076
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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:4128
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:1316
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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:1976
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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:4688
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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:4948
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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:4868
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2924 -
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:2484 -
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:1724
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2100 -s 8683⤵
- Program crash
PID:2656
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 2100 -ip 21001⤵PID:1436
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:2364
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
MD502d28da10b6555086d7e25b92a6ea794
SHA1951fde47d5a197ead2266ce581c296b2da92e98c
SHA256cc46526a962ead24af13347d4d7f112a5bce7130d606835551e9d2b73a04e340
SHA51233fa2385abe62c6dad93e873a89fa9e27e96fa94b10d1c9f65a06c9821056d1706c3333c1f35d46abf7232e1ab6ea545e843a2dc92cfb30f9d47752028e73042
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD54829614791333d34d060e03ebb6bb055
SHA16ddf368a95299abc991a56cdbec1aa8eef99ef49
SHA256559494f65f0d7b35e95856ecc9d31df8211651bcc33ab8c37a08df63650b6147
SHA51231e0c3b1df88e8970aa253bede5856e37a684e8736766ad080cd931d511151fa464e51edd078725eaf6caa077867aa047239c339de793fb1ff511d5c90284edf
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD579f9694f2ed560258c19ea8a4ab05ffb
SHA1ed7c2aac4c74debab79d9425061e2b6673ad7e18
SHA25678764ab5f7a5b9dc3578e2e432b742f89768bfc98e74767652fccc3c7c12b7f6
SHA5126369d9010f7a8230704f77a3c417ac67cdd24b86b6487659ba02776453a17bcaba728c889640af71922e6baf21ba8b8645c37b610ce4689b0f92e12020fd2db4
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD53bc05655e78b6181ba05ee17b5e57dd0
SHA1bfc748d56fc3dbc5edc7a41b8dec9fa564a1619a
SHA256af0b8f4cda3bcd74f48f5d070fbe75f0eeb54928dc2071750885d59816d6c171
SHA51233f39b75f9b4dd7dab4fe089a6c8c93f8ad1d8903d08945a3ba08d0c71b44113120036f70dcbb63ce0e447b1a3930c991190b95edd8f4ec1bfd48c7416b350f2
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5e5c347c2937e0a9f0ed8bb8a8becafbc
SHA1226b1dd21ffc988474a2de8b8552a3b2b0946373
SHA256ddb02590c457c296e5936ef08890af63d0797b1ff81215ee55df33c67bf78ef1
SHA512bbe48e99b361e5af59849bfa74ce407d17f4b32c5f2a9f2c987fc788c675842393f5ab0e9d8efe3e4712bdc6e7fcf93c200ab1f9b67f4336d490d940327d38c8
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Filesize
4.1MB
MD5e48cf825462ae46dfbb3aab60c452328
SHA1ad88128d759425091bf1d6594a5bfbdc1ef47283
SHA256a94d5b2f6f5350f766a1e7d6ebdc12da6d5f35de6ac9089bb1728550e2a4d6f1
SHA512d9db0087094bda4c8320d55d840bbe09027d2b34d83a2308e25db62eaa5f3d968eb99cecf919ef4311b23841d4d2a9ada662987afa60b23e9f2ffbbada095366
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec