Analysis
-
max time kernel
150s -
max time network
161s -
platform
windows11-21h2_x64 -
resource
win11-20240221-en -
resource tags
arch:x64arch:x86image:win11-20240221-enlocale:en-usos:windows11-21h2-x64system -
submitted
10-04-2024 15:07
Static task
static1
Behavioral task
behavioral1
Sample
6aed1c3c93a836014db0223bc61b8c426242a01f46cb7bfcaef592812ec76577.exe
Resource
win10v2004-20240226-en
General
-
Target
6aed1c3c93a836014db0223bc61b8c426242a01f46cb7bfcaef592812ec76577.exe
-
Size
4.2MB
-
MD5
7cf11a7cf8db68e5f67ba16f6c9d7e98
-
SHA1
8107bc3f19d047eefb8e5ff334e4bf587586f0ab
-
SHA256
6aed1c3c93a836014db0223bc61b8c426242a01f46cb7bfcaef592812ec76577
-
SHA512
1c6df5f4bbb64e67eafca0157e6bfab2a547a776871efce63c6713c8aed9b8f2dc582e9110f8c565d8c5f321a0efa95c9ab67acac55f06fde548246a3abbef44
-
SSDEEP
98304:1m6VidFkRvno8eOWHx67xiDnN0bAIMZdtiAwP30ixdPPt/O:Y2wNbHK4DamtirPEkdVO
Malware Config
Signatures
-
Glupteba payload 17 IoCs
resource yara_rule behavioral2/memory/3540-2-0x0000000002FC0000-0x00000000038AB000-memory.dmp family_glupteba behavioral2/memory/3540-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3540-47-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3540-54-0x0000000002FC0000-0x00000000038AB000-memory.dmp family_glupteba behavioral2/memory/3540-55-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2700-58-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2700-89-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2700-91-0x0000000002B40000-0x0000000002F45000-memory.dmp family_glupteba behavioral2/memory/2700-117-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2700-133-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2700-153-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1444-220-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1444-254-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1444-259-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1444-268-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1444-272-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1444-276-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 4316 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 1444 csrss.exe 3720 injector.exe 1936 windefender.exe 4728 windefender.exe -
resource yara_rule behavioral2/files/0x000200000002a7fc-258.dat upx behavioral2/memory/1936-265-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4728-269-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4728-277-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3084248216-1643706459-906455512-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 6aed1c3c93a836014db0223bc61b8c426242a01f46cb7bfcaef592812ec76577.exe Set value (str) \REGISTRY\USER\S-1-5-21-3084248216-1643706459-906455512-1000\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.
-
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 6aed1c3c93a836014db0223bc61b8c426242a01f46cb7bfcaef592812ec76577.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 6aed1c3c93a836014db0223bc61b8c426242a01f46cb7bfcaef592812ec76577.exe File created C:\Windows\rss\csrss.exe 6aed1c3c93a836014db0223bc61b8c426242a01f46cb7bfcaef592812ec76577.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 1712 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 1140 schtasks.exe 3240 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2791 = "Novosibirsk Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2391 = "Aleutian Daylight Time" 6aed1c3c93a836014db0223bc61b8c426242a01f46cb7bfcaef592812ec76577.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2412 = "Marquesas Standard Time" 6aed1c3c93a836014db0223bc61b8c426242a01f46cb7bfcaef592812ec76577.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople 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\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-11 = "Azores Daylight Time" 6aed1c3c93a836014db0223bc61b8c426242a01f46cb7bfcaef592812ec76577.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-362 = "GTB Standard Time" 6aed1c3c93a836014db0223bc61b8c426242a01f46cb7bfcaef592812ec76577.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-492 = "India Standard Time" 6aed1c3c93a836014db0223bc61b8c426242a01f46cb7bfcaef592812ec76577.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,-82 = "Atlantic Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot 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\22\52C64B7E\@tzres.dll,-2751 = "Tomsk Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-181 = "Mountain Daylight Time (Mexico)" 6aed1c3c93a836014db0223bc61b8c426242a01f46cb7bfcaef592812ec76577.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-1842 = "Russia TZ 4 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-772 = "Montevideo Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-1831 = "Russia TZ 2 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-602 = "Taipei Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-301 = "Romance Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2002 = "Cabo Verde Standard Time" 6aed1c3c93a836014db0223bc61b8c426242a01f46cb7bfcaef592812ec76577.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-32 = "Mid-Atlantic Standard Time" 6aed1c3c93a836014db0223bc61b8c426242a01f46cb7bfcaef592812ec76577.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2062 = "North Korea Standard Time" 6aed1c3c93a836014db0223bc61b8c426242a01f46cb7bfcaef592812ec76577.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs 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\22\52C64B7E\@tzres.dll,-181 = "Mountain Daylight Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-751 = "Tonga Daylight Time" 6aed1c3c93a836014db0223bc61b8c426242a01f46cb7bfcaef592812ec76577.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs 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,-372 = "Jerusalem Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-162 = "Central Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-452 = "Caucasus Standard Time" 6aed1c3c93a836014db0223bc61b8c426242a01f46cb7bfcaef592812ec76577.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-42 = "E. South America Standard Time" 6aed1c3c93a836014db0223bc61b8c426242a01f46cb7bfcaef592812ec76577.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-911 = "Mauritius Daylight Time" 6aed1c3c93a836014db0223bc61b8c426242a01f46cb7bfcaef592812ec76577.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-171 = "Central Daylight Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2062 = "North Korea Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-1931 = "Russia TZ 11 Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-12 = "Azores Standard Time" 6aed1c3c93a836014db0223bc61b8c426242a01f46cb7bfcaef592812ec76577.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-111 = "Eastern Daylight Time" 6aed1c3c93a836014db0223bc61b8c426242a01f46cb7bfcaef592812ec76577.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1841 = "Russia TZ 4 Daylight Time" 6aed1c3c93a836014db0223bc61b8c426242a01f46cb7bfcaef592812ec76577.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-191 = "Mountain Daylight Time" 6aed1c3c93a836014db0223bc61b8c426242a01f46cb7bfcaef592812ec76577.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-182 = "Mountain Standard Time (Mexico)" 6aed1c3c93a836014db0223bc61b8c426242a01f46cb7bfcaef592812ec76577.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-211 = "Pacific Daylight Time" 6aed1c3c93a836014db0223bc61b8c426242a01f46cb7bfcaef592812ec76577.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2042 = "Eastern Standard Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-741 = "New Zealand Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-572 = "China Standard Time" 6aed1c3c93a836014db0223bc61b8c426242a01f46cb7bfcaef592812ec76577.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-501 = "Nepal Daylight Time" 6aed1c3c93a836014db0223bc61b8c426242a01f46cb7bfcaef592812ec76577.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2452 = "Saint Pierre Standard Time" 6aed1c3c93a836014db0223bc61b8c426242a01f46cb7bfcaef592812ec76577.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-631 = "Tokyo Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-202 = "US Mountain Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-292 = "Central European Standard Time" 6aed1c3c93a836014db0223bc61b8c426242a01f46cb7bfcaef592812ec76577.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2952 powershell.exe 2952 powershell.exe 3540 6aed1c3c93a836014db0223bc61b8c426242a01f46cb7bfcaef592812ec76577.exe 3540 6aed1c3c93a836014db0223bc61b8c426242a01f46cb7bfcaef592812ec76577.exe 3024 powershell.exe 3024 powershell.exe 2700 6aed1c3c93a836014db0223bc61b8c426242a01f46cb7bfcaef592812ec76577.exe 2700 6aed1c3c93a836014db0223bc61b8c426242a01f46cb7bfcaef592812ec76577.exe 2700 6aed1c3c93a836014db0223bc61b8c426242a01f46cb7bfcaef592812ec76577.exe 2700 6aed1c3c93a836014db0223bc61b8c426242a01f46cb7bfcaef592812ec76577.exe 2700 6aed1c3c93a836014db0223bc61b8c426242a01f46cb7bfcaef592812ec76577.exe 2700 6aed1c3c93a836014db0223bc61b8c426242a01f46cb7bfcaef592812ec76577.exe 2700 6aed1c3c93a836014db0223bc61b8c426242a01f46cb7bfcaef592812ec76577.exe 2700 6aed1c3c93a836014db0223bc61b8c426242a01f46cb7bfcaef592812ec76577.exe 2700 6aed1c3c93a836014db0223bc61b8c426242a01f46cb7bfcaef592812ec76577.exe 2700 6aed1c3c93a836014db0223bc61b8c426242a01f46cb7bfcaef592812ec76577.exe 3400 powershell.exe 3400 powershell.exe 2120 powershell.exe 2120 powershell.exe 1932 powershell.exe 1932 powershell.exe 3584 powershell.exe 3584 powershell.exe 4692 powershell.exe 4692 powershell.exe 3720 injector.exe 3720 injector.exe 3720 injector.exe 3720 injector.exe 3720 injector.exe 3720 injector.exe 3720 injector.exe 3720 injector.exe 1444 csrss.exe 1444 csrss.exe 3720 injector.exe 3720 injector.exe 3720 injector.exe 3720 injector.exe 3720 injector.exe 3720 injector.exe 1444 csrss.exe 1444 csrss.exe 3720 injector.exe 3720 injector.exe 3720 injector.exe 3720 injector.exe 3720 injector.exe 3720 injector.exe 1444 csrss.exe 1444 csrss.exe 3720 injector.exe 3720 injector.exe 3720 injector.exe 3720 injector.exe 3720 injector.exe 3720 injector.exe 3720 injector.exe 3720 injector.exe 3720 injector.exe 3720 injector.exe 3720 injector.exe 3720 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 2952 powershell.exe Token: SeDebugPrivilege 3540 6aed1c3c93a836014db0223bc61b8c426242a01f46cb7bfcaef592812ec76577.exe Token: SeImpersonatePrivilege 3540 6aed1c3c93a836014db0223bc61b8c426242a01f46cb7bfcaef592812ec76577.exe Token: SeDebugPrivilege 3024 powershell.exe Token: SeDebugPrivilege 3400 powershell.exe Token: SeDebugPrivilege 2120 powershell.exe Token: SeDebugPrivilege 1932 powershell.exe Token: SeDebugPrivilege 3584 powershell.exe Token: SeDebugPrivilege 4692 powershell.exe Token: SeSystemEnvironmentPrivilege 1444 csrss.exe Token: SeSecurityPrivilege 1712 sc.exe Token: SeSecurityPrivilege 1712 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 3540 wrote to memory of 2952 3540 6aed1c3c93a836014db0223bc61b8c426242a01f46cb7bfcaef592812ec76577.exe 81 PID 3540 wrote to memory of 2952 3540 6aed1c3c93a836014db0223bc61b8c426242a01f46cb7bfcaef592812ec76577.exe 81 PID 3540 wrote to memory of 2952 3540 6aed1c3c93a836014db0223bc61b8c426242a01f46cb7bfcaef592812ec76577.exe 81 PID 2700 wrote to memory of 3024 2700 6aed1c3c93a836014db0223bc61b8c426242a01f46cb7bfcaef592812ec76577.exe 86 PID 2700 wrote to memory of 3024 2700 6aed1c3c93a836014db0223bc61b8c426242a01f46cb7bfcaef592812ec76577.exe 86 PID 2700 wrote to memory of 3024 2700 6aed1c3c93a836014db0223bc61b8c426242a01f46cb7bfcaef592812ec76577.exe 86 PID 2700 wrote to memory of 840 2700 6aed1c3c93a836014db0223bc61b8c426242a01f46cb7bfcaef592812ec76577.exe 88 PID 2700 wrote to memory of 840 2700 6aed1c3c93a836014db0223bc61b8c426242a01f46cb7bfcaef592812ec76577.exe 88 PID 840 wrote to memory of 4316 840 cmd.exe 90 PID 840 wrote to memory of 4316 840 cmd.exe 90 PID 2700 wrote to memory of 3400 2700 6aed1c3c93a836014db0223bc61b8c426242a01f46cb7bfcaef592812ec76577.exe 91 PID 2700 wrote to memory of 3400 2700 6aed1c3c93a836014db0223bc61b8c426242a01f46cb7bfcaef592812ec76577.exe 91 PID 2700 wrote to memory of 3400 2700 6aed1c3c93a836014db0223bc61b8c426242a01f46cb7bfcaef592812ec76577.exe 91 PID 2700 wrote to memory of 2120 2700 6aed1c3c93a836014db0223bc61b8c426242a01f46cb7bfcaef592812ec76577.exe 93 PID 2700 wrote to memory of 2120 2700 6aed1c3c93a836014db0223bc61b8c426242a01f46cb7bfcaef592812ec76577.exe 93 PID 2700 wrote to memory of 2120 2700 6aed1c3c93a836014db0223bc61b8c426242a01f46cb7bfcaef592812ec76577.exe 93 PID 2700 wrote to memory of 1444 2700 6aed1c3c93a836014db0223bc61b8c426242a01f46cb7bfcaef592812ec76577.exe 95 PID 2700 wrote to memory of 1444 2700 6aed1c3c93a836014db0223bc61b8c426242a01f46cb7bfcaef592812ec76577.exe 95 PID 2700 wrote to memory of 1444 2700 6aed1c3c93a836014db0223bc61b8c426242a01f46cb7bfcaef592812ec76577.exe 95 PID 1444 wrote to memory of 1932 1444 csrss.exe 96 PID 1444 wrote to memory of 1932 1444 csrss.exe 96 PID 1444 wrote to memory of 1932 1444 csrss.exe 96 PID 1444 wrote to memory of 3584 1444 csrss.exe 102 PID 1444 wrote to memory of 3584 1444 csrss.exe 102 PID 1444 wrote to memory of 3584 1444 csrss.exe 102 PID 1444 wrote to memory of 4692 1444 csrss.exe 104 PID 1444 wrote to memory of 4692 1444 csrss.exe 104 PID 1444 wrote to memory of 4692 1444 csrss.exe 104 PID 1444 wrote to memory of 3720 1444 csrss.exe 106 PID 1444 wrote to memory of 3720 1444 csrss.exe 106 PID 1936 wrote to memory of 3104 1936 windefender.exe 112 PID 1936 wrote to memory of 3104 1936 windefender.exe 112 PID 1936 wrote to memory of 3104 1936 windefender.exe 112 PID 3104 wrote to memory of 1712 3104 cmd.exe 113 PID 3104 wrote to memory of 1712 3104 cmd.exe 113 PID 3104 wrote to memory of 1712 3104 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
-
C:\Users\Admin\AppData\Local\Temp\6aed1c3c93a836014db0223bc61b8c426242a01f46cb7bfcaef592812ec76577.exe"C:\Users\Admin\AppData\Local\Temp\6aed1c3c93a836014db0223bc61b8c426242a01f46cb7bfcaef592812ec76577.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3540 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2952
-
-
C:\Users\Admin\AppData\Local\Temp\6aed1c3c93a836014db0223bc61b8c426242a01f46cb7bfcaef592812ec76577.exe"C:\Users\Admin\AppData\Local\Temp\6aed1c3c93a836014db0223bc61b8c426242a01f46cb7bfcaef592812ec76577.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:2700 -
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:3024
-
-
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:840 -
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:4316
-
-
-
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:3400
-
-
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:2120
-
-
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:1444 -
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:1932
-
-
C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:3240
-
-
C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:3624
-
-
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:3584
-
-
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:4692
-
-
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:3720
-
-
C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:1140
-
-
C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1936 -
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:3104 -
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:1712
-
-
-
-
-
-
C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:4728
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
Loading Replay Monitor...
Downloads
-
Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
-
Filesize
281KB
MD5d98e33b66343e7c96158444127a117f6
SHA1bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA2565de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
SHA512705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
Filesize2KB
MD5d0c46cad6c0778401e21910bd6b56b70
SHA17be418951ea96326aca445b8dfe449b2bfa0dca6
SHA2569600b3fdf0565ccb49e21656aa4b24d7c18f776bfd04d9ee984b134707550f02
SHA512057531b468f7fbbb2175a696a8aab274dec0d17d9f71df309edcff35e064f3378050066a3df47ccd03048fac461594ec75e3d4fe64f9dd79949d129f51e02949
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD502370fb1aa3039ff54a78529dc5f3f86
SHA11da6dda6aa9ccdfc7094657db6f333d15310b5e2
SHA256201a08073ea94da00027fae900b6240125c2e1836f5dfeb20fd2e5837c159be8
SHA5126480c0e2e2498152f345b15eda13534691f683f7662ffbcdedcf1cb1458fc8a0a39675b5876d206fab501d633e256c2e682d09f6d81e78482096a7b37ae401ad
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD55b7d39307f0eac72e7928544025635d9
SHA1f21106d02474e71b7e7fcc4e49400bc2e6ce842c
SHA25681c6b4204684de72806245878771fbe76ba6db0b8bf0ce175e08e8c9784777a5
SHA5126db9a35ffdbb639b372b9f25b307014c383397bae1f92b79804f4367a43c1bd5a8324cff3dcc0e9f71167f87bfd5c3c2aea0f888c5c4de07df9da49d2742d565
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD59214fb1b421a3ec5fe7a13c32af4acc0
SHA1b858f31ecf89554a49da0bfcebbc0850ae6d43c5
SHA2563bdb5c2122d2798743b9bc0b19a54a273c2bb839cd4807bbc411616735337cbf
SHA512e16993e0ffaae89aef572235e169b16cb6e09e8c2e68e514309e200aafb61217369f3b02abf3144f9223aa5996a7a524abd06bc5b56ba709b2f54e82214dac80
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5129edb57d119929f591ce88e987ac63b
SHA175b0a33a5700873ef9f4787b39ca48fb559f7450
SHA25622bb0df72625cb222f590cf05823cba016abbb7da85e75d79009310268638140
SHA5122b865b37ee098b5f58d85cd8798be0fbb7d47f7a23ba9e5dffdd81ce4d347dc00be887cda8a410832aa06f661c00e4184598e8d8fe3674cfe38335d96f5a9c75
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5072f7cfc43800d5e9123afab4e56b2a8
SHA18229fbcd68e7d9ad3e6ab02cd557f44dcfa3bd98
SHA256e67c4ad01c9aaaaa6d01ed193471397a85fa3d9dcd309b7257f5057ef789c50c
SHA51257077297e4f2aaa6102bb24eb086d5c73a1876b810d52613bf20ce6e051ac81940af46cf6c83199dcab580286c9933c41a0bf81d7373bc93ad7350e71b3ac7bf
-
Filesize
4.2MB
MD57cf11a7cf8db68e5f67ba16f6c9d7e98
SHA18107bc3f19d047eefb8e5ff334e4bf587586f0ab
SHA2566aed1c3c93a836014db0223bc61b8c426242a01f46cb7bfcaef592812ec76577
SHA5121c6df5f4bbb64e67eafca0157e6bfab2a547a776871efce63c6713c8aed9b8f2dc582e9110f8c565d8c5f321a0efa95c9ab67acac55f06fde548246a3abbef44
-
Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec