Analysis
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max time kernel
150s -
max time network
142s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
28-01-2025 05:04
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
JaffaCakes118_4726718c32a230d4ac33ed6751238181.exe
Resource
win7-20240903-en
windows7-x64
16 signatures
150 seconds
General
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Target
JaffaCakes118_4726718c32a230d4ac33ed6751238181.exe
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Size
105KB
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MD5
4726718c32a230d4ac33ed6751238181
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SHA1
5750ae5a9b6610d6b9a5cb0300a945defcdd8aa5
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SHA256
fc8d45c3b6e91deb4f4cadcf3c3c941a14e1e2ca48689290b7a4e3c410fd2aa4
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SHA512
019d9a648090f78450f218a7e53b907b9b1f2d115c084691dcd8520a5abd20796e2d311821da7db9e91f743b3523805071de62f364807b68830211a7aaa4d1ec
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SSDEEP
3072:XFNP+8u21BPpqaeXBry5jwaaHw7Koj4r+VuE39i:XFNP+8ucBRqaeROrVds
Malware Config
Signatures
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Modifies WinLogon for persistence 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Userinit = "userinit.exe,C:\\Users\\Admin\\AppData\\Local\\cbcrqkrd\\khtebkxt.exe" svchost.exe -
Ramnit family
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UAC bypass 3 TTPs 1 IoCs
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" svchost.exe -
Checks BIOS information in registry 2 TTPs 1 IoCs
BIOS information is often read in order to detect sandboxing environments.
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion svchost.exe -
Drops startup file 2 IoCs
description ioc Process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\khtebkxt.exe svchost.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\khtebkxt.exe svchost.exe -
Executes dropped EXE 1 IoCs
pid Process 2680 cmocgmaajiapasej.exe -
Impair Defenses: Safe Mode Boot 1 TTPs 3 IoCs
description ioc Process Key deleted \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\SafeBoot\Minimal\WinDefend svchost.exe Key deleted \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\SafeBoot\Minimal\ProfSvc svchost.exe Key deleted \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\SafeBoot\Minimal\Power svchost.exe -
Loads dropped DLL 4 IoCs
pid Process 2548 JaffaCakes118_4726718c32a230d4ac33ed6751238181.exe 2548 JaffaCakes118_4726718c32a230d4ac33ed6751238181.exe 2548 JaffaCakes118_4726718c32a230d4ac33ed6751238181.exe 2548 JaffaCakes118_4726718c32a230d4ac33ed6751238181.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Windows\CurrentVersion\Run\KhtEbkxt = "C:\\Users\\Admin\\AppData\\Local\\cbcrqkrd\\khtebkxt.exe" svchost.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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System Location Discovery: System Language Discovery 1 TTPs 3 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language JaffaCakes118_4726718c32a230d4ac33ed6751238181.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language svchost.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language svchost.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2544 svchost.exe 2544 svchost.exe 2544 svchost.exe 2544 svchost.exe 2544 svchost.exe 2544 svchost.exe 2544 svchost.exe 2544 svchost.exe 2544 svchost.exe 2544 svchost.exe 2544 svchost.exe 2544 svchost.exe 2544 svchost.exe 2544 svchost.exe 2544 svchost.exe 2544 svchost.exe 2544 svchost.exe 2544 svchost.exe 2544 svchost.exe 2544 svchost.exe 2544 svchost.exe 2544 svchost.exe 2544 svchost.exe 2544 svchost.exe 2544 svchost.exe 2544 svchost.exe 2544 svchost.exe 2544 svchost.exe 2544 svchost.exe 2544 svchost.exe 2544 svchost.exe 2544 svchost.exe 2544 svchost.exe 2544 svchost.exe 2544 svchost.exe 2544 svchost.exe 2544 svchost.exe 2544 svchost.exe 2544 svchost.exe 2544 svchost.exe 2544 svchost.exe 2544 svchost.exe 2544 svchost.exe 2544 svchost.exe 2544 svchost.exe 2544 svchost.exe 2544 svchost.exe 2544 svchost.exe 2544 svchost.exe 2544 svchost.exe 2544 svchost.exe 2544 svchost.exe 2544 svchost.exe 2544 svchost.exe 2544 svchost.exe 2544 svchost.exe 2544 svchost.exe 2544 svchost.exe 2544 svchost.exe 2544 svchost.exe 2544 svchost.exe 2544 svchost.exe 2544 svchost.exe 2544 svchost.exe -
Suspicious behavior: LoadsDriver 1 IoCs
pid Process 484 Process not Found -
Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeSecurityPrivilege 2548 JaffaCakes118_4726718c32a230d4ac33ed6751238181.exe Token: SeDebugPrivilege 2548 JaffaCakes118_4726718c32a230d4ac33ed6751238181.exe Token: SeSecurityPrivilege 2156 svchost.exe Token: SeSecurityPrivilege 2544 svchost.exe Token: SeDebugPrivilege 2544 svchost.exe Token: SeRestorePrivilege 2544 svchost.exe Token: SeBackupPrivilege 2544 svchost.exe Token: SeRestorePrivilege 2544 svchost.exe Token: SeBackupPrivilege 2544 svchost.exe Token: SeRestorePrivilege 2544 svchost.exe Token: SeBackupPrivilege 2544 svchost.exe Token: SeRestorePrivilege 2544 svchost.exe Token: SeBackupPrivilege 2544 svchost.exe Token: SeRestorePrivilege 2544 svchost.exe Token: SeBackupPrivilege 2544 svchost.exe Token: SeRestorePrivilege 2544 svchost.exe Token: SeBackupPrivilege 2544 svchost.exe Token: SeSecurityPrivilege 2680 cmocgmaajiapasej.exe Token: SeLoadDriverPrivilege 2680 cmocgmaajiapasej.exe Token: SeRestorePrivilege 2544 svchost.exe Token: SeBackupPrivilege 2544 svchost.exe Token: SeRestorePrivilege 2544 svchost.exe Token: SeBackupPrivilege 2544 svchost.exe Token: SeRestorePrivilege 2544 svchost.exe Token: SeBackupPrivilege 2544 svchost.exe Token: SeRestorePrivilege 2544 svchost.exe Token: SeBackupPrivilege 2544 svchost.exe Token: SeRestorePrivilege 2544 svchost.exe Token: SeBackupPrivilege 2544 svchost.exe Token: SeRestorePrivilege 2544 svchost.exe Token: SeBackupPrivilege 2544 svchost.exe Token: SeRestorePrivilege 2544 svchost.exe Token: SeBackupPrivilege 2544 svchost.exe Token: SeRestorePrivilege 2544 svchost.exe Token: SeBackupPrivilege 2544 svchost.exe Token: SeRestorePrivilege 2544 svchost.exe Token: SeBackupPrivilege 2544 svchost.exe Token: SeRestorePrivilege 2544 svchost.exe Token: SeBackupPrivilege 2544 svchost.exe Token: SeRestorePrivilege 2544 svchost.exe Token: SeBackupPrivilege 2544 svchost.exe Token: SeRestorePrivilege 2544 svchost.exe Token: SeBackupPrivilege 2544 svchost.exe Token: SeRestorePrivilege 2544 svchost.exe Token: SeBackupPrivilege 2544 svchost.exe Token: SeRestorePrivilege 2544 svchost.exe Token: SeBackupPrivilege 2544 svchost.exe Token: SeRestorePrivilege 2544 svchost.exe Token: SeBackupPrivilege 2544 svchost.exe Token: SeRestorePrivilege 2544 svchost.exe Token: SeBackupPrivilege 2544 svchost.exe Token: SeRestorePrivilege 2544 svchost.exe Token: SeBackupPrivilege 2544 svchost.exe Token: SeRestorePrivilege 2544 svchost.exe Token: SeBackupPrivilege 2544 svchost.exe Token: SeRestorePrivilege 2544 svchost.exe Token: SeBackupPrivilege 2544 svchost.exe Token: SeRestorePrivilege 2544 svchost.exe Token: SeBackupPrivilege 2544 svchost.exe Token: SeRestorePrivilege 2544 svchost.exe Token: SeBackupPrivilege 2544 svchost.exe Token: SeRestorePrivilege 2544 svchost.exe Token: SeBackupPrivilege 2544 svchost.exe Token: SeRestorePrivilege 2544 svchost.exe -
Suspicious use of WriteProcessMemory 24 IoCs
description pid Process procid_target PID 2548 wrote to memory of 2156 2548 JaffaCakes118_4726718c32a230d4ac33ed6751238181.exe 30 PID 2548 wrote to memory of 2156 2548 JaffaCakes118_4726718c32a230d4ac33ed6751238181.exe 30 PID 2548 wrote to memory of 2156 2548 JaffaCakes118_4726718c32a230d4ac33ed6751238181.exe 30 PID 2548 wrote to memory of 2156 2548 JaffaCakes118_4726718c32a230d4ac33ed6751238181.exe 30 PID 2548 wrote to memory of 2156 2548 JaffaCakes118_4726718c32a230d4ac33ed6751238181.exe 30 PID 2548 wrote to memory of 2156 2548 JaffaCakes118_4726718c32a230d4ac33ed6751238181.exe 30 PID 2548 wrote to memory of 2156 2548 JaffaCakes118_4726718c32a230d4ac33ed6751238181.exe 30 PID 2548 wrote to memory of 2156 2548 JaffaCakes118_4726718c32a230d4ac33ed6751238181.exe 30 PID 2548 wrote to memory of 2156 2548 JaffaCakes118_4726718c32a230d4ac33ed6751238181.exe 30 PID 2548 wrote to memory of 2156 2548 JaffaCakes118_4726718c32a230d4ac33ed6751238181.exe 30 PID 2548 wrote to memory of 2544 2548 JaffaCakes118_4726718c32a230d4ac33ed6751238181.exe 31 PID 2548 wrote to memory of 2544 2548 JaffaCakes118_4726718c32a230d4ac33ed6751238181.exe 31 PID 2548 wrote to memory of 2544 2548 JaffaCakes118_4726718c32a230d4ac33ed6751238181.exe 31 PID 2548 wrote to memory of 2544 2548 JaffaCakes118_4726718c32a230d4ac33ed6751238181.exe 31 PID 2548 wrote to memory of 2544 2548 JaffaCakes118_4726718c32a230d4ac33ed6751238181.exe 31 PID 2548 wrote to memory of 2544 2548 JaffaCakes118_4726718c32a230d4ac33ed6751238181.exe 31 PID 2548 wrote to memory of 2544 2548 JaffaCakes118_4726718c32a230d4ac33ed6751238181.exe 31 PID 2548 wrote to memory of 2544 2548 JaffaCakes118_4726718c32a230d4ac33ed6751238181.exe 31 PID 2548 wrote to memory of 2544 2548 JaffaCakes118_4726718c32a230d4ac33ed6751238181.exe 31 PID 2548 wrote to memory of 2544 2548 JaffaCakes118_4726718c32a230d4ac33ed6751238181.exe 31 PID 2548 wrote to memory of 2680 2548 JaffaCakes118_4726718c32a230d4ac33ed6751238181.exe 33 PID 2548 wrote to memory of 2680 2548 JaffaCakes118_4726718c32a230d4ac33ed6751238181.exe 33 PID 2548 wrote to memory of 2680 2548 JaffaCakes118_4726718c32a230d4ac33ed6751238181.exe 33 PID 2548 wrote to memory of 2680 2548 JaffaCakes118_4726718c32a230d4ac33ed6751238181.exe 33
Processes
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C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4726718c32a230d4ac33ed6751238181.exe"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4726718c32a230d4ac33ed6751238181.exe"1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2548 -
C:\Windows\SysWOW64\svchost.exeC:\Windows\system32\svchost.exe2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:2156
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C:\Windows\SysWOW64\svchost.exeC:\Windows\system32\svchost.exe2⤵
- Modifies WinLogon for persistence
- UAC bypass
- Checks BIOS information in registry
- Drops startup file
- Impair Defenses: Safe Mode Boot
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2544
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C:\Users\Admin\AppData\Local\Temp\cmocgmaajiapasej.exe"C:\Users\Admin\AppData\Local\Temp\cmocgmaajiapasej.exe"2⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:2680
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Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
1Winlogon Helper DLL
1Privilege Escalation
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
1Winlogon Helper DLL
1Defense Evasion
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Impair Defenses
2Disable or Modify Tools
1Safe Mode Boot
1Modify Registry
3Replay Monitor
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Downloads
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Filesize
105KB
MD54726718c32a230d4ac33ed6751238181
SHA15750ae5a9b6610d6b9a5cb0300a945defcdd8aa5
SHA256fc8d45c3b6e91deb4f4cadcf3c3c941a14e1e2ca48689290b7a4e3c410fd2aa4
SHA512019d9a648090f78450f218a7e53b907b9b1f2d115c084691dcd8520a5abd20796e2d311821da7db9e91f743b3523805071de62f364807b68830211a7aaa4d1ec