Analysis
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max time kernel
150s -
max time network
155s -
platform
windows11-21h2_x64 -
resource
win11-20240221-en -
resource tags
arch:x64arch:x86image:win11-20240221-enlocale:en-usos:windows11-21h2-x64system -
submitted
29/03/2024, 10:23
Static task
static1
Behavioral task
behavioral1
Sample
7acbe049343ebd443b0b1090b88a56fbbb8aab62ac07a0eb37e4e643db60e709.exe
Resource
win10v2004-20240226-en
General
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Target
7acbe049343ebd443b0b1090b88a56fbbb8aab62ac07a0eb37e4e643db60e709.exe
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Size
4.1MB
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MD5
b0cad703695c875f6d6865827a81c7bf
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SHA1
8ff2eb2567df25355a72b0cd38a51c32993663fb
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SHA256
7acbe049343ebd443b0b1090b88a56fbbb8aab62ac07a0eb37e4e643db60e709
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SHA512
f2468557e0327b8594d31f4bd0f4368917504d1acd4dbd8f1d4494f9411ac20f5c206b46c137444a64805e97f3455e947e50555081b25cd6b47c78bec26ddc60
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SSDEEP
98304:EaEmfxmJR66TkeGUe4mrO+bILWs+wDYRz+iVBdL4y:Bm66F/cKWs+wDYRzF4y
Malware Config
Signatures
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Glupteba payload 21 IoCs
resource yara_rule behavioral2/memory/4788-2-0x00000000030A0000-0x000000000398B000-memory.dmp family_glupteba behavioral2/memory/4788-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4788-43-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4788-53-0x00000000030A0000-0x000000000398B000-memory.dmp family_glupteba behavioral2/memory/2888-55-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4788-56-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2888-87-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2888-104-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2888-132-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2888-150-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4692-209-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4692-244-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4692-255-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4692-258-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4692-261-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4692-264-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4692-267-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4692-270-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4692-273-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4692-276-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4692-279-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 2768 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 4692 csrss.exe 436 injector.exe 1600 windefender.exe 3688 windefender.exe -
resource yara_rule behavioral2/files/0x000200000002a798-248.dat upx behavioral2/memory/1600-253-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3688-254-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3688-257-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3688-266-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-160263616-143223877-1356318919-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe Set value (str) \REGISTRY\USER\S-1-5-21-160263616-143223877-1356318919-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 7acbe049343ebd443b0b1090b88a56fbbb8aab62ac07a0eb37e4e643db60e709.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 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 -
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 7acbe049343ebd443b0b1090b88a56fbbb8aab62ac07a0eb37e4e643db60e709.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 7acbe049343ebd443b0b1090b88a56fbbb8aab62ac07a0eb37e4e643db60e709.exe File created C:\Windows\rss\csrss.exe 7acbe049343ebd443b0b1090b88a56fbbb8aab62ac07a0eb37e4e643db60e709.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 2720 sc.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 4184 schtasks.exe 3768 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-82 = "Atlantic Standard Time" 7acbe049343ebd443b0b1090b88a56fbbb8aab62ac07a0eb37e4e643db60e709.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1821 = "Russia TZ 1 Daylight Time" 7acbe049343ebd443b0b1090b88a56fbbb8aab62ac07a0eb37e4e643db60e709.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs 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\22\52C64B7E\@tzres.dll,-382 = "South Africa Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-1871 = "Russia TZ 7 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-832 = "SA Eastern Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2532 = "Chatham Islands Standard Time" 7acbe049343ebd443b0b1090b88a56fbbb8aab62ac07a0eb37e4e643db60e709.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-732 = "Fiji Standard Time" 7acbe049343ebd443b0b1090b88a56fbbb8aab62ac07a0eb37e4e643db60e709.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-181 = "Mountain Daylight Time (Mexico)" 7acbe049343ebd443b0b1090b88a56fbbb8aab62ac07a0eb37e4e643db60e709.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2792 = "Novosibirsk Standard Time" 7acbe049343ebd443b0b1090b88a56fbbb8aab62ac07a0eb37e4e643db60e709.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-932 = "Coordinated Universal Time" 7acbe049343ebd443b0b1090b88a56fbbb8aab62ac07a0eb37e4e643db60e709.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-662 = "Cen. Australia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-492 = "India Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-872 = "Pakistan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-104 = "Central Brazilian Daylight Time" 7acbe049343ebd443b0b1090b88a56fbbb8aab62ac07a0eb37e4e643db60e709.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-332 = "E. Europe Standard Time" 7acbe049343ebd443b0b1090b88a56fbbb8aab62ac07a0eb37e4e643db60e709.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-435 = "Georgian Standard Time" 7acbe049343ebd443b0b1090b88a56fbbb8aab62ac07a0eb37e4e643db60e709.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-365 = "Middle East Standard Time" 7acbe049343ebd443b0b1090b88a56fbbb8aab62ac07a0eb37e4e643db60e709.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-282 = "Central Europe Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-331 = "E. Europe Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1972 = "Belarus Standard Time" 7acbe049343ebd443b0b1090b88a56fbbb8aab62ac07a0eb37e4e643db60e709.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2941 = "Sao Tome Daylight Time" 7acbe049343ebd443b0b1090b88a56fbbb8aab62ac07a0eb37e4e643db60e709.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs 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\22\52C64B7E\@tzres.dll,-221 = "Alaskan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-142 = "Canada Central Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1661 = "Bahia Daylight Time" 7acbe049343ebd443b0b1090b88a56fbbb8aab62ac07a0eb37e4e643db60e709.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-152 = "Central America Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-512 = "Central Asia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-92 = "Pacific SA Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1721 = "Libya Daylight Time" 7acbe049343ebd443b0b1090b88a56fbbb8aab62ac07a0eb37e4e643db60e709.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-672 = "AUS Eastern Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-281 = "Central Europe Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2752 = "Tomsk Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-291 = "Central European Daylight Time" 7acbe049343ebd443b0b1090b88a56fbbb8aab62ac07a0eb37e4e643db60e709.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-591 = "Malay Peninsula Daylight Time" 7acbe049343ebd443b0b1090b88a56fbbb8aab62ac07a0eb37e4e643db60e709.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-1972 = "Belarus Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-371 = "Jerusalem Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-871 = "Pakistan Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-151 = "Central America Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-681 = "E. Australia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-381 = "South Africa Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-931 = "Coordinated Universal Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-12 = "Azores Standard Time" 7acbe049343ebd443b0b1090b88a56fbbb8aab62ac07a0eb37e4e643db60e709.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\22\52C64B7E\@tzres.dll,-651 = "AUS Central Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2001 = "Cabo Verde Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-31 = "Mid-Atlantic Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2942 = "Sao Tome Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-832 = "SA Eastern Standard Time" 7acbe049343ebd443b0b1090b88a56fbbb8aab62ac07a0eb37e4e643db60e709.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-792 = "SA Western Standard Time" 7acbe049343ebd443b0b1090b88a56fbbb8aab62ac07a0eb37e4e643db60e709.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4660 powershell.exe 4660 powershell.exe 4788 7acbe049343ebd443b0b1090b88a56fbbb8aab62ac07a0eb37e4e643db60e709.exe 4788 7acbe049343ebd443b0b1090b88a56fbbb8aab62ac07a0eb37e4e643db60e709.exe 324 powershell.exe 324 powershell.exe 2888 7acbe049343ebd443b0b1090b88a56fbbb8aab62ac07a0eb37e4e643db60e709.exe 2888 7acbe049343ebd443b0b1090b88a56fbbb8aab62ac07a0eb37e4e643db60e709.exe 2888 7acbe049343ebd443b0b1090b88a56fbbb8aab62ac07a0eb37e4e643db60e709.exe 2888 7acbe049343ebd443b0b1090b88a56fbbb8aab62ac07a0eb37e4e643db60e709.exe 2888 7acbe049343ebd443b0b1090b88a56fbbb8aab62ac07a0eb37e4e643db60e709.exe 2888 7acbe049343ebd443b0b1090b88a56fbbb8aab62ac07a0eb37e4e643db60e709.exe 2888 7acbe049343ebd443b0b1090b88a56fbbb8aab62ac07a0eb37e4e643db60e709.exe 2888 7acbe049343ebd443b0b1090b88a56fbbb8aab62ac07a0eb37e4e643db60e709.exe 2888 7acbe049343ebd443b0b1090b88a56fbbb8aab62ac07a0eb37e4e643db60e709.exe 2888 7acbe049343ebd443b0b1090b88a56fbbb8aab62ac07a0eb37e4e643db60e709.exe 3688 powershell.exe 3688 powershell.exe 4732 powershell.exe 4732 powershell.exe 2276 powershell.exe 2276 powershell.exe 244 powershell.exe 244 powershell.exe 4740 powershell.exe 4740 powershell.exe 436 injector.exe 436 injector.exe 436 injector.exe 436 injector.exe 436 injector.exe 436 injector.exe 4692 csrss.exe 4692 csrss.exe 436 injector.exe 436 injector.exe 436 injector.exe 436 injector.exe 436 injector.exe 436 injector.exe 4692 csrss.exe 4692 csrss.exe 436 injector.exe 436 injector.exe 4692 csrss.exe 4692 csrss.exe 436 injector.exe 436 injector.exe 436 injector.exe 436 injector.exe 436 injector.exe 436 injector.exe 436 injector.exe 436 injector.exe 436 injector.exe 436 injector.exe 436 injector.exe 436 injector.exe 436 injector.exe 436 injector.exe 436 injector.exe 436 injector.exe 436 injector.exe 436 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 4660 powershell.exe Token: SeDebugPrivilege 4788 7acbe049343ebd443b0b1090b88a56fbbb8aab62ac07a0eb37e4e643db60e709.exe Token: SeImpersonatePrivilege 4788 7acbe049343ebd443b0b1090b88a56fbbb8aab62ac07a0eb37e4e643db60e709.exe Token: SeDebugPrivilege 324 powershell.exe Token: SeDebugPrivilege 3688 powershell.exe Token: SeDebugPrivilege 4732 powershell.exe Token: SeDebugPrivilege 2276 powershell.exe Token: SeDebugPrivilege 244 powershell.exe Token: SeDebugPrivilege 4740 powershell.exe Token: SeSystemEnvironmentPrivilege 4692 csrss.exe Token: SeSecurityPrivilege 2720 sc.exe Token: SeSecurityPrivilege 2720 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 4788 wrote to memory of 4660 4788 7acbe049343ebd443b0b1090b88a56fbbb8aab62ac07a0eb37e4e643db60e709.exe 81 PID 4788 wrote to memory of 4660 4788 7acbe049343ebd443b0b1090b88a56fbbb8aab62ac07a0eb37e4e643db60e709.exe 81 PID 4788 wrote to memory of 4660 4788 7acbe049343ebd443b0b1090b88a56fbbb8aab62ac07a0eb37e4e643db60e709.exe 81 PID 2888 wrote to memory of 324 2888 7acbe049343ebd443b0b1090b88a56fbbb8aab62ac07a0eb37e4e643db60e709.exe 86 PID 2888 wrote to memory of 324 2888 7acbe049343ebd443b0b1090b88a56fbbb8aab62ac07a0eb37e4e643db60e709.exe 86 PID 2888 wrote to memory of 324 2888 7acbe049343ebd443b0b1090b88a56fbbb8aab62ac07a0eb37e4e643db60e709.exe 86 PID 2888 wrote to memory of 3664 2888 7acbe049343ebd443b0b1090b88a56fbbb8aab62ac07a0eb37e4e643db60e709.exe 88 PID 2888 wrote to memory of 3664 2888 7acbe049343ebd443b0b1090b88a56fbbb8aab62ac07a0eb37e4e643db60e709.exe 88 PID 3664 wrote to memory of 2768 3664 cmd.exe 90 PID 3664 wrote to memory of 2768 3664 cmd.exe 90 PID 2888 wrote to memory of 3688 2888 7acbe049343ebd443b0b1090b88a56fbbb8aab62ac07a0eb37e4e643db60e709.exe 91 PID 2888 wrote to memory of 3688 2888 7acbe049343ebd443b0b1090b88a56fbbb8aab62ac07a0eb37e4e643db60e709.exe 91 PID 2888 wrote to memory of 3688 2888 7acbe049343ebd443b0b1090b88a56fbbb8aab62ac07a0eb37e4e643db60e709.exe 91 PID 2888 wrote to memory of 4732 2888 7acbe049343ebd443b0b1090b88a56fbbb8aab62ac07a0eb37e4e643db60e709.exe 93 PID 2888 wrote to memory of 4732 2888 7acbe049343ebd443b0b1090b88a56fbbb8aab62ac07a0eb37e4e643db60e709.exe 93 PID 2888 wrote to memory of 4732 2888 7acbe049343ebd443b0b1090b88a56fbbb8aab62ac07a0eb37e4e643db60e709.exe 93 PID 2888 wrote to memory of 4692 2888 7acbe049343ebd443b0b1090b88a56fbbb8aab62ac07a0eb37e4e643db60e709.exe 95 PID 2888 wrote to memory of 4692 2888 7acbe049343ebd443b0b1090b88a56fbbb8aab62ac07a0eb37e4e643db60e709.exe 95 PID 2888 wrote to memory of 4692 2888 7acbe049343ebd443b0b1090b88a56fbbb8aab62ac07a0eb37e4e643db60e709.exe 95 PID 4692 wrote to memory of 2276 4692 csrss.exe 96 PID 4692 wrote to memory of 2276 4692 csrss.exe 96 PID 4692 wrote to memory of 2276 4692 csrss.exe 96 PID 4692 wrote to memory of 244 4692 csrss.exe 102 PID 4692 wrote to memory of 244 4692 csrss.exe 102 PID 4692 wrote to memory of 244 4692 csrss.exe 102 PID 4692 wrote to memory of 4740 4692 csrss.exe 104 PID 4692 wrote to memory of 4740 4692 csrss.exe 104 PID 4692 wrote to memory of 4740 4692 csrss.exe 104 PID 4692 wrote to memory of 436 4692 csrss.exe 106 PID 4692 wrote to memory of 436 4692 csrss.exe 106 PID 1600 wrote to memory of 4516 1600 windefender.exe 112 PID 1600 wrote to memory of 4516 1600 windefender.exe 112 PID 1600 wrote to memory of 4516 1600 windefender.exe 112 PID 4516 wrote to memory of 2720 4516 cmd.exe 113 PID 4516 wrote to memory of 2720 4516 cmd.exe 113 PID 4516 wrote to memory of 2720 4516 cmd.exe 113 -
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\7acbe049343ebd443b0b1090b88a56fbbb8aab62ac07a0eb37e4e643db60e709.exe"C:\Users\Admin\AppData\Local\Temp\7acbe049343ebd443b0b1090b88a56fbbb8aab62ac07a0eb37e4e643db60e709.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4788 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4660
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C:\Users\Admin\AppData\Local\Temp\7acbe049343ebd443b0b1090b88a56fbbb8aab62ac07a0eb37e4e643db60e709.exe"C:\Users\Admin\AppData\Local\Temp\7acbe049343ebd443b0b1090b88a56fbbb8aab62ac07a0eb37e4e643db60e709.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:2888 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:324
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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:3664 -
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:2768
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3688
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4732
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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:4692 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2276
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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:4184
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4572
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:244
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4740
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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:436
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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:3768
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1600 -
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:4516 -
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:2720
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:3688
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
MD5d0c46cad6c0778401e21910bd6b56b70
SHA17be418951ea96326aca445b8dfe449b2bfa0dca6
SHA2569600b3fdf0565ccb49e21656aa4b24d7c18f776bfd04d9ee984b134707550f02
SHA512057531b468f7fbbb2175a696a8aab274dec0d17d9f71df309edcff35e064f3378050066a3df47ccd03048fac461594ec75e3d4fe64f9dd79949d129f51e02949
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5ec9d9fee51ebe589a20c20f962e81048
SHA1d73bf4658b14911e7f9e420414ae054cb406adfb
SHA256773f16cac63075732835c913835ca66b8d299e9ccec1ddf28b6c7e7a83af177b
SHA5125965bf72b8363aebc461dd3f2c3012eaa8e0eb5690b7d811b943ad3f3726ac7c91c7923345fd5ea9aefeaeec1421dc539756c9872303becebda64f86c1f1a613
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD51a5b713be77707c2c21f16355a1a990b
SHA1b8e81451c68f92a19d35953aabe0456d6a20918b
SHA256999488e8173dfbf6d75db8240cd3f43e8edde179f244ca0123054eba513afd70
SHA5127c3f93dc464f3b6d6a90bf5d7201c8f02011fc8aeb4cec323c0b5a2531497d7f0b46885e989b86f9db0752946be50149a5e96e54f15e34a90e18ad087b9742c1
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD53196aa5a92ccea799013a3dfdede7f89
SHA12a19a1a4dfca4dd4445a7e1734898ac5fba45092
SHA256f21f2a471b0ed10ff717e311a8abdd58f8f2b8ba9045abb784bdad7ca35c9302
SHA5125f8904536b9da938136c4a6e27c9fc88f615f5223b137168ca56a78f377a88a30a169bc70131190f33489cbec35bc1921d4a8737dd4ed8854b1309b77c4c2104
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5c0c3d87defb86477521f87e848ddbcfa
SHA14d89729de7f6ff701a4e215cc819b17e873e3c46
SHA256d96db5052ff3a156713bf17aefab209f158a0afa3833773261e2fdf554037a6d
SHA512b0ff3f71ab51228f67bc50969a92c76fc68fcc3b334ec5edd0096a34e5323df856c58030bdce40a71f4c5669d712bfae430bc2bc44a73e58b304fa7f2654a3f6
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD504840ff26ad398e14da49199f735a39d
SHA12fbe549ec2f243b878edd351e2465feb05cfdc8e
SHA2562f88c94c9d49b34fb1badfee28c8236287b175db3c21153381cd3c70f47937a9
SHA51225a4837b40f59448bc82f0a55c33360ecbaf673c5a3cb2ea39475519e451d7768bc0c7d965b2f3c430bd0ce8298dff34cb4969610d3343c9de5a4b566873bd9d
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Filesize
4.1MB
MD5b0cad703695c875f6d6865827a81c7bf
SHA18ff2eb2567df25355a72b0cd38a51c32993663fb
SHA2567acbe049343ebd443b0b1090b88a56fbbb8aab62ac07a0eb37e4e643db60e709
SHA512f2468557e0327b8594d31f4bd0f4368917504d1acd4dbd8f1d4494f9411ac20f5c206b46c137444a64805e97f3455e947e50555081b25cd6b47c78bec26ddc60
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec