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Analysis
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max time kernel
150s -
max time network
144s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
24/01/2025, 15:40
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
JaffaCakes118_22eb545c6486bacf5ad256511a505963.exe
Resource
win7-20240903-en
windows7-x64
16 signatures
150 seconds
General
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Target
JaffaCakes118_22eb545c6486bacf5ad256511a505963.exe
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Size
137KB
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MD5
22eb545c6486bacf5ad256511a505963
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SHA1
1da826b8eac4cf256e261ddb8034f692e6410687
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SHA256
767f95992150ea53e96fa67f2c1c74cb9dc104922284b557f912a7d25859de77
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SHA512
59542ec6c87bbefe7961004e1ac96548a6f0b2cb2d0c713100a115f9d7c62b48ca442216cf3605c62b6b3f43a420bbe6f69ceb4d2e3c87fc9de61da40caf1fca
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SSDEEP
3072:/56iv5NOEJRdRePLCZPsbFP5jwaaHw7Koj4raFDT2B4G:/dBNLJXReP2dO11WB
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\\bsqfhpej\\jvfrrska.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\jvfrrska.exe svchost.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\jvfrrska.exe svchost.exe -
Executes dropped EXE 1 IoCs
pid Process 608 wsbonigtiowcqqbf.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 1892 JaffaCakes118_22eb545c6486bacf5ad256511a505963.exe 1892 JaffaCakes118_22eb545c6486bacf5ad256511a505963.exe 1892 JaffaCakes118_22eb545c6486bacf5ad256511a505963.exe 1892 JaffaCakes118_22eb545c6486bacf5ad256511a505963.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Windows\CurrentVersion\Run\JvfRrska = "C:\\Users\\Admin\\AppData\\Local\\bsqfhpej\\jvfrrska.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_22eb545c6486bacf5ad256511a505963.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 2548 svchost.exe 2548 svchost.exe 2548 svchost.exe 2548 svchost.exe 2548 svchost.exe 2548 svchost.exe 2548 svchost.exe 2548 svchost.exe 2548 svchost.exe 2548 svchost.exe 2548 svchost.exe 2548 svchost.exe 2548 svchost.exe 2548 svchost.exe 2548 svchost.exe 2548 svchost.exe 2548 svchost.exe 2548 svchost.exe 2548 svchost.exe 2548 svchost.exe 2548 svchost.exe 2548 svchost.exe 2548 svchost.exe 2548 svchost.exe 2548 svchost.exe 2548 svchost.exe 2548 svchost.exe 2548 svchost.exe 2548 svchost.exe 2548 svchost.exe 2548 svchost.exe 2548 svchost.exe 2548 svchost.exe 2548 svchost.exe 2548 svchost.exe 2548 svchost.exe 2548 svchost.exe 2548 svchost.exe 2548 svchost.exe 2548 svchost.exe 2548 svchost.exe 2548 svchost.exe 2548 svchost.exe 2548 svchost.exe 2548 svchost.exe 2548 svchost.exe 2548 svchost.exe 2548 svchost.exe 2548 svchost.exe 2548 svchost.exe 2548 svchost.exe 2548 svchost.exe 2548 svchost.exe 2548 svchost.exe 2548 svchost.exe 2548 svchost.exe 2548 svchost.exe 2548 svchost.exe 2548 svchost.exe 2548 svchost.exe 2548 svchost.exe 2548 svchost.exe 2548 svchost.exe 2548 svchost.exe -
Suspicious behavior: LoadsDriver 1 IoCs
pid Process 476 Process not Found -
Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeSecurityPrivilege 1892 JaffaCakes118_22eb545c6486bacf5ad256511a505963.exe Token: SeDebugPrivilege 1892 JaffaCakes118_22eb545c6486bacf5ad256511a505963.exe Token: SeSecurityPrivilege 2204 svchost.exe Token: SeSecurityPrivilege 2548 svchost.exe Token: SeDebugPrivilege 2548 svchost.exe Token: SeRestorePrivilege 2548 svchost.exe Token: SeBackupPrivilege 2548 svchost.exe Token: SeRestorePrivilege 2548 svchost.exe Token: SeBackupPrivilege 2548 svchost.exe Token: SeRestorePrivilege 2548 svchost.exe Token: SeBackupPrivilege 2548 svchost.exe Token: SeRestorePrivilege 2548 svchost.exe Token: SeBackupPrivilege 2548 svchost.exe Token: SeRestorePrivilege 2548 svchost.exe Token: SeBackupPrivilege 2548 svchost.exe Token: SeRestorePrivilege 2548 svchost.exe Token: SeBackupPrivilege 2548 svchost.exe Token: SeSecurityPrivilege 608 wsbonigtiowcqqbf.exe Token: SeLoadDriverPrivilege 608 wsbonigtiowcqqbf.exe Token: SeRestorePrivilege 2548 svchost.exe Token: SeBackupPrivilege 2548 svchost.exe Token: SeRestorePrivilege 2548 svchost.exe Token: SeBackupPrivilege 2548 svchost.exe Token: SeRestorePrivilege 2548 svchost.exe Token: SeBackupPrivilege 2548 svchost.exe Token: SeRestorePrivilege 2548 svchost.exe Token: SeBackupPrivilege 2548 svchost.exe Token: SeRestorePrivilege 2548 svchost.exe Token: SeBackupPrivilege 2548 svchost.exe Token: SeRestorePrivilege 2548 svchost.exe Token: SeBackupPrivilege 2548 svchost.exe Token: SeRestorePrivilege 2548 svchost.exe Token: SeBackupPrivilege 2548 svchost.exe Token: SeRestorePrivilege 2548 svchost.exe Token: SeBackupPrivilege 2548 svchost.exe Token: SeRestorePrivilege 2548 svchost.exe Token: SeBackupPrivilege 2548 svchost.exe Token: SeRestorePrivilege 2548 svchost.exe Token: SeBackupPrivilege 2548 svchost.exe Token: SeRestorePrivilege 2548 svchost.exe Token: SeBackupPrivilege 2548 svchost.exe Token: SeRestorePrivilege 2548 svchost.exe Token: SeBackupPrivilege 2548 svchost.exe Token: SeRestorePrivilege 2548 svchost.exe Token: SeBackupPrivilege 2548 svchost.exe Token: SeRestorePrivilege 2548 svchost.exe Token: SeBackupPrivilege 2548 svchost.exe Token: SeRestorePrivilege 2548 svchost.exe Token: SeBackupPrivilege 2548 svchost.exe Token: SeRestorePrivilege 2548 svchost.exe Token: SeBackupPrivilege 2548 svchost.exe Token: SeRestorePrivilege 2548 svchost.exe Token: SeBackupPrivilege 2548 svchost.exe Token: SeRestorePrivilege 2548 svchost.exe Token: SeBackupPrivilege 2548 svchost.exe Token: SeRestorePrivilege 2548 svchost.exe Token: SeBackupPrivilege 2548 svchost.exe Token: SeRestorePrivilege 2548 svchost.exe Token: SeBackupPrivilege 2548 svchost.exe Token: SeRestorePrivilege 2548 svchost.exe Token: SeBackupPrivilege 2548 svchost.exe Token: SeRestorePrivilege 2548 svchost.exe Token: SeBackupPrivilege 2548 svchost.exe Token: SeRestorePrivilege 2548 svchost.exe -
Suspicious use of WriteProcessMemory 24 IoCs
description pid Process procid_target PID 1892 wrote to memory of 2204 1892 JaffaCakes118_22eb545c6486bacf5ad256511a505963.exe 28 PID 1892 wrote to memory of 2204 1892 JaffaCakes118_22eb545c6486bacf5ad256511a505963.exe 28 PID 1892 wrote to memory of 2204 1892 JaffaCakes118_22eb545c6486bacf5ad256511a505963.exe 28 PID 1892 wrote to memory of 2204 1892 JaffaCakes118_22eb545c6486bacf5ad256511a505963.exe 28 PID 1892 wrote to memory of 2204 1892 JaffaCakes118_22eb545c6486bacf5ad256511a505963.exe 28 PID 1892 wrote to memory of 2204 1892 JaffaCakes118_22eb545c6486bacf5ad256511a505963.exe 28 PID 1892 wrote to memory of 2204 1892 JaffaCakes118_22eb545c6486bacf5ad256511a505963.exe 28 PID 1892 wrote to memory of 2204 1892 JaffaCakes118_22eb545c6486bacf5ad256511a505963.exe 28 PID 1892 wrote to memory of 2204 1892 JaffaCakes118_22eb545c6486bacf5ad256511a505963.exe 28 PID 1892 wrote to memory of 2204 1892 JaffaCakes118_22eb545c6486bacf5ad256511a505963.exe 28 PID 1892 wrote to memory of 2548 1892 JaffaCakes118_22eb545c6486bacf5ad256511a505963.exe 29 PID 1892 wrote to memory of 2548 1892 JaffaCakes118_22eb545c6486bacf5ad256511a505963.exe 29 PID 1892 wrote to memory of 2548 1892 JaffaCakes118_22eb545c6486bacf5ad256511a505963.exe 29 PID 1892 wrote to memory of 2548 1892 JaffaCakes118_22eb545c6486bacf5ad256511a505963.exe 29 PID 1892 wrote to memory of 2548 1892 JaffaCakes118_22eb545c6486bacf5ad256511a505963.exe 29 PID 1892 wrote to memory of 2548 1892 JaffaCakes118_22eb545c6486bacf5ad256511a505963.exe 29 PID 1892 wrote to memory of 2548 1892 JaffaCakes118_22eb545c6486bacf5ad256511a505963.exe 29 PID 1892 wrote to memory of 2548 1892 JaffaCakes118_22eb545c6486bacf5ad256511a505963.exe 29 PID 1892 wrote to memory of 2548 1892 JaffaCakes118_22eb545c6486bacf5ad256511a505963.exe 29 PID 1892 wrote to memory of 2548 1892 JaffaCakes118_22eb545c6486bacf5ad256511a505963.exe 29 PID 1892 wrote to memory of 608 1892 JaffaCakes118_22eb545c6486bacf5ad256511a505963.exe 30 PID 1892 wrote to memory of 608 1892 JaffaCakes118_22eb545c6486bacf5ad256511a505963.exe 30 PID 1892 wrote to memory of 608 1892 JaffaCakes118_22eb545c6486bacf5ad256511a505963.exe 30 PID 1892 wrote to memory of 608 1892 JaffaCakes118_22eb545c6486bacf5ad256511a505963.exe 30
Processes
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C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_22eb545c6486bacf5ad256511a505963.exe"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_22eb545c6486bacf5ad256511a505963.exe"1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1892 -
C:\Windows\SysWOW64\svchost.exeC:\Windows\system32\svchost.exe2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:2204
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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:2548
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C:\Users\Admin\AppData\Local\Temp\wsbonigtiowcqqbf.exe"C:\Users\Admin\AppData\Local\Temp\wsbonigtiowcqqbf.exe"2⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:608
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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
137KB
MD522eb545c6486bacf5ad256511a505963
SHA11da826b8eac4cf256e261ddb8034f692e6410687
SHA256767f95992150ea53e96fa67f2c1c74cb9dc104922284b557f912a7d25859de77
SHA51259542ec6c87bbefe7961004e1ac96548a6f0b2cb2d0c713100a115f9d7c62b48ca442216cf3605c62b6b3f43a420bbe6f69ceb4d2e3c87fc9de61da40caf1fca