Analysis
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max time kernel
150s -
max time network
143s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
21-01-2025 00:25
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
JaffaCakes118_00e6e3d87aa09cc24f11507c403dbc67.exe
Resource
win7-20240903-en
windows7-x64
16 signatures
150 seconds
General
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Target
JaffaCakes118_00e6e3d87aa09cc24f11507c403dbc67.exe
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Size
120KB
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MD5
00e6e3d87aa09cc24f11507c403dbc67
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SHA1
d9e7b2d476f5925c30e6e486993056d7aea805f4
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SHA256
946e74811fae58136de2993d0d39b4854bf35497fe51f119b1ec06a0c98a7de7
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SHA512
1f44687a99936a834fa0ada6c9ae5668a7baa026d1c26b89797d73482dcfc0994c3da143e932f89b101e03cc9eb2838c4ea6b372498479bda95b455b46273186
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SSDEEP
3072:vDSKiauBZz/DhceNw1OTw+XIU5jwaaHw7Koj4rBDVXSk:rSKbwhdcqYIhXNAIk
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\\dvenxmus\\lcvaimej.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 opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\lcvaimej.exe svchost.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\lcvaimej.exe svchost.exe -
Executes dropped EXE 1 IoCs
pid Process 2308 dhtukodpyghvsbqh.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 2520 JaffaCakes118_00e6e3d87aa09cc24f11507c403dbc67.exe 2520 JaffaCakes118_00e6e3d87aa09cc24f11507c403dbc67.exe 2520 JaffaCakes118_00e6e3d87aa09cc24f11507c403dbc67.exe 2520 JaffaCakes118_00e6e3d87aa09cc24f11507c403dbc67.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Windows\CurrentVersion\Run\LcvAimej = "C:\\Users\\Admin\\AppData\\Local\\dvenxmus\\lcvaimej.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_00e6e3d87aa09cc24f11507c403dbc67.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 2468 svchost.exe 2468 svchost.exe 2468 svchost.exe 2468 svchost.exe 2468 svchost.exe 2468 svchost.exe 2468 svchost.exe 2468 svchost.exe 2468 svchost.exe 2468 svchost.exe 2468 svchost.exe 2468 svchost.exe 2468 svchost.exe 2468 svchost.exe 2468 svchost.exe 2468 svchost.exe 2468 svchost.exe 2468 svchost.exe 2468 svchost.exe 2468 svchost.exe 2468 svchost.exe 2468 svchost.exe 2468 svchost.exe 2468 svchost.exe 2468 svchost.exe 2468 svchost.exe 2468 svchost.exe 2468 svchost.exe 2468 svchost.exe 2468 svchost.exe 2468 svchost.exe 2468 svchost.exe 2468 svchost.exe 2468 svchost.exe 2468 svchost.exe 2468 svchost.exe 2468 svchost.exe 2468 svchost.exe 2468 svchost.exe 2468 svchost.exe 2468 svchost.exe 2468 svchost.exe 2468 svchost.exe 2468 svchost.exe 2468 svchost.exe 2468 svchost.exe 2468 svchost.exe 2468 svchost.exe 2468 svchost.exe 2468 svchost.exe 2468 svchost.exe 2468 svchost.exe 2468 svchost.exe 2468 svchost.exe 2468 svchost.exe 2468 svchost.exe 2468 svchost.exe 2468 svchost.exe 2468 svchost.exe 2468 svchost.exe 2468 svchost.exe 2468 svchost.exe 2468 svchost.exe 2468 svchost.exe -
Suspicious behavior: LoadsDriver 1 IoCs
pid Process 480 Process not Found -
Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeSecurityPrivilege 2520 JaffaCakes118_00e6e3d87aa09cc24f11507c403dbc67.exe Token: SeDebugPrivilege 2520 JaffaCakes118_00e6e3d87aa09cc24f11507c403dbc67.exe Token: SeSecurityPrivilege 2100 svchost.exe Token: SeSecurityPrivilege 2468 svchost.exe Token: SeDebugPrivilege 2468 svchost.exe Token: SeRestorePrivilege 2468 svchost.exe Token: SeBackupPrivilege 2468 svchost.exe Token: SeRestorePrivilege 2468 svchost.exe Token: SeBackupPrivilege 2468 svchost.exe Token: SeRestorePrivilege 2468 svchost.exe Token: SeBackupPrivilege 2468 svchost.exe Token: SeRestorePrivilege 2468 svchost.exe Token: SeBackupPrivilege 2468 svchost.exe Token: SeRestorePrivilege 2468 svchost.exe Token: SeBackupPrivilege 2468 svchost.exe Token: SeRestorePrivilege 2468 svchost.exe Token: SeBackupPrivilege 2468 svchost.exe Token: SeSecurityPrivilege 2308 dhtukodpyghvsbqh.exe Token: SeLoadDriverPrivilege 2308 dhtukodpyghvsbqh.exe Token: SeRestorePrivilege 2468 svchost.exe Token: SeBackupPrivilege 2468 svchost.exe Token: SeRestorePrivilege 2468 svchost.exe Token: SeBackupPrivilege 2468 svchost.exe Token: SeRestorePrivilege 2468 svchost.exe Token: SeBackupPrivilege 2468 svchost.exe Token: SeRestorePrivilege 2468 svchost.exe Token: SeBackupPrivilege 2468 svchost.exe Token: SeRestorePrivilege 2468 svchost.exe Token: SeBackupPrivilege 2468 svchost.exe Token: SeRestorePrivilege 2468 svchost.exe Token: SeBackupPrivilege 2468 svchost.exe Token: SeRestorePrivilege 2468 svchost.exe Token: SeBackupPrivilege 2468 svchost.exe Token: SeRestorePrivilege 2468 svchost.exe Token: SeBackupPrivilege 2468 svchost.exe Token: SeRestorePrivilege 2468 svchost.exe Token: SeBackupPrivilege 2468 svchost.exe Token: SeRestorePrivilege 2468 svchost.exe Token: SeBackupPrivilege 2468 svchost.exe Token: SeRestorePrivilege 2468 svchost.exe Token: SeBackupPrivilege 2468 svchost.exe Token: SeRestorePrivilege 2468 svchost.exe Token: SeBackupPrivilege 2468 svchost.exe Token: SeRestorePrivilege 2468 svchost.exe Token: SeBackupPrivilege 2468 svchost.exe Token: SeRestorePrivilege 2468 svchost.exe Token: SeBackupPrivilege 2468 svchost.exe Token: SeRestorePrivilege 2468 svchost.exe Token: SeBackupPrivilege 2468 svchost.exe Token: SeRestorePrivilege 2468 svchost.exe Token: SeBackupPrivilege 2468 svchost.exe Token: SeRestorePrivilege 2468 svchost.exe Token: SeBackupPrivilege 2468 svchost.exe Token: SeRestorePrivilege 2468 svchost.exe Token: SeBackupPrivilege 2468 svchost.exe Token: SeRestorePrivilege 2468 svchost.exe Token: SeBackupPrivilege 2468 svchost.exe Token: SeRestorePrivilege 2468 svchost.exe Token: SeBackupPrivilege 2468 svchost.exe Token: SeRestorePrivilege 2468 svchost.exe Token: SeBackupPrivilege 2468 svchost.exe Token: SeRestorePrivilege 2468 svchost.exe Token: SeBackupPrivilege 2468 svchost.exe Token: SeRestorePrivilege 2468 svchost.exe -
Suspicious use of WriteProcessMemory 24 IoCs
description pid Process procid_target PID 2520 wrote to memory of 2100 2520 JaffaCakes118_00e6e3d87aa09cc24f11507c403dbc67.exe 30 PID 2520 wrote to memory of 2100 2520 JaffaCakes118_00e6e3d87aa09cc24f11507c403dbc67.exe 30 PID 2520 wrote to memory of 2100 2520 JaffaCakes118_00e6e3d87aa09cc24f11507c403dbc67.exe 30 PID 2520 wrote to memory of 2100 2520 JaffaCakes118_00e6e3d87aa09cc24f11507c403dbc67.exe 30 PID 2520 wrote to memory of 2100 2520 JaffaCakes118_00e6e3d87aa09cc24f11507c403dbc67.exe 30 PID 2520 wrote to memory of 2100 2520 JaffaCakes118_00e6e3d87aa09cc24f11507c403dbc67.exe 30 PID 2520 wrote to memory of 2100 2520 JaffaCakes118_00e6e3d87aa09cc24f11507c403dbc67.exe 30 PID 2520 wrote to memory of 2100 2520 JaffaCakes118_00e6e3d87aa09cc24f11507c403dbc67.exe 30 PID 2520 wrote to memory of 2100 2520 JaffaCakes118_00e6e3d87aa09cc24f11507c403dbc67.exe 30 PID 2520 wrote to memory of 2100 2520 JaffaCakes118_00e6e3d87aa09cc24f11507c403dbc67.exe 30 PID 2520 wrote to memory of 2468 2520 JaffaCakes118_00e6e3d87aa09cc24f11507c403dbc67.exe 31 PID 2520 wrote to memory of 2468 2520 JaffaCakes118_00e6e3d87aa09cc24f11507c403dbc67.exe 31 PID 2520 wrote to memory of 2468 2520 JaffaCakes118_00e6e3d87aa09cc24f11507c403dbc67.exe 31 PID 2520 wrote to memory of 2468 2520 JaffaCakes118_00e6e3d87aa09cc24f11507c403dbc67.exe 31 PID 2520 wrote to memory of 2468 2520 JaffaCakes118_00e6e3d87aa09cc24f11507c403dbc67.exe 31 PID 2520 wrote to memory of 2468 2520 JaffaCakes118_00e6e3d87aa09cc24f11507c403dbc67.exe 31 PID 2520 wrote to memory of 2468 2520 JaffaCakes118_00e6e3d87aa09cc24f11507c403dbc67.exe 31 PID 2520 wrote to memory of 2468 2520 JaffaCakes118_00e6e3d87aa09cc24f11507c403dbc67.exe 31 PID 2520 wrote to memory of 2468 2520 JaffaCakes118_00e6e3d87aa09cc24f11507c403dbc67.exe 31 PID 2520 wrote to memory of 2468 2520 JaffaCakes118_00e6e3d87aa09cc24f11507c403dbc67.exe 31 PID 2520 wrote to memory of 2308 2520 JaffaCakes118_00e6e3d87aa09cc24f11507c403dbc67.exe 32 PID 2520 wrote to memory of 2308 2520 JaffaCakes118_00e6e3d87aa09cc24f11507c403dbc67.exe 32 PID 2520 wrote to memory of 2308 2520 JaffaCakes118_00e6e3d87aa09cc24f11507c403dbc67.exe 32 PID 2520 wrote to memory of 2308 2520 JaffaCakes118_00e6e3d87aa09cc24f11507c403dbc67.exe 32
Processes
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C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_00e6e3d87aa09cc24f11507c403dbc67.exe"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_00e6e3d87aa09cc24f11507c403dbc67.exe"1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2520 -
C:\Windows\SysWOW64\svchost.exeC:\Windows\system32\svchost.exe2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:2100
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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:2468
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C:\Users\Admin\AppData\Local\Temp\dhtukodpyghvsbqh.exe"C:\Users\Admin\AppData\Local\Temp\dhtukodpyghvsbqh.exe"2⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:2308
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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
120KB
MD500e6e3d87aa09cc24f11507c403dbc67
SHA1d9e7b2d476f5925c30e6e486993056d7aea805f4
SHA256946e74811fae58136de2993d0d39b4854bf35497fe51f119b1ec06a0c98a7de7
SHA5121f44687a99936a834fa0ada6c9ae5668a7baa026d1c26b89797d73482dcfc0994c3da143e932f89b101e03cc9eb2838c4ea6b372498479bda95b455b46273186