Analysis
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max time kernel
150s -
max time network
150s -
platform
windows7_x64 -
resource
win7-20241010-en -
resource tags
arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system -
submitted
24-01-2025 08:47
Static task
static1
Behavioral task
behavioral1
Sample
JaffaCakes118_1fc8a045d27bb49066562441be908997.exe
Resource
win7-20241010-en
General
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Target
JaffaCakes118_1fc8a045d27bb49066562441be908997.exe
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Size
124KB
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MD5
1fc8a045d27bb49066562441be908997
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SHA1
a04b9dd5f27932f6cdb6ddfcecb36f15e73041ed
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SHA256
36d3b50ffe4f63ad56648c586d76b80094c625db7c2c0309b9848dd95972f123
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SHA512
9e4f2c7c535626fb1a9560229658966c1affba2d24652721905ee590cba338a9fb58ae1ff019a20a37e9596d78c000e263fc687c67f1219ded799d59b35b6cec
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SSDEEP
3072:vDSKiauBZz/DhceNw1OTw+XIU5jwaaHw7Koj4rBV:rSKbwhdcqYIhXNA
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\\aggvccii\\imximfoy.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\imximfoy.exe svchost.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\imximfoy.exe svchost.exe -
Executes dropped EXE 1 IoCs
pid Process 964 arsdreqiqvbodjdl.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 2848 JaffaCakes118_1fc8a045d27bb49066562441be908997.exe 2848 JaffaCakes118_1fc8a045d27bb49066562441be908997.exe 2848 JaffaCakes118_1fc8a045d27bb49066562441be908997.exe 2848 JaffaCakes118_1fc8a045d27bb49066562441be908997.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Windows\CurrentVersion\Run\ImxImfoy = "C:\\Users\\Admin\\AppData\\Local\\aggvccii\\imximfoy.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_1fc8a045d27bb49066562441be908997.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 2808 svchost.exe 2808 svchost.exe 2808 svchost.exe 2808 svchost.exe 2808 svchost.exe 2808 svchost.exe 2808 svchost.exe 2808 svchost.exe 2808 svchost.exe 2808 svchost.exe 2808 svchost.exe 2808 svchost.exe 2808 svchost.exe 2808 svchost.exe 2808 svchost.exe 2808 svchost.exe 2808 svchost.exe 2808 svchost.exe 2808 svchost.exe 2808 svchost.exe 2808 svchost.exe 2808 svchost.exe 2808 svchost.exe 2808 svchost.exe 2808 svchost.exe 2808 svchost.exe 2808 svchost.exe 2808 svchost.exe 2808 svchost.exe 2808 svchost.exe 2808 svchost.exe 2808 svchost.exe 2808 svchost.exe 2808 svchost.exe 2808 svchost.exe 2808 svchost.exe 2808 svchost.exe 2808 svchost.exe 2808 svchost.exe 2808 svchost.exe 2808 svchost.exe 2808 svchost.exe 2808 svchost.exe 2808 svchost.exe 2808 svchost.exe 2808 svchost.exe 2808 svchost.exe 2808 svchost.exe 2808 svchost.exe 2808 svchost.exe 2808 svchost.exe 2808 svchost.exe 2808 svchost.exe 2808 svchost.exe 2808 svchost.exe 2808 svchost.exe 2808 svchost.exe 2808 svchost.exe 2808 svchost.exe 2808 svchost.exe 2808 svchost.exe 2808 svchost.exe 2808 svchost.exe 2808 svchost.exe -
Suspicious behavior: LoadsDriver 1 IoCs
pid Process 464 Process not Found -
Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeSecurityPrivilege 2848 JaffaCakes118_1fc8a045d27bb49066562441be908997.exe Token: SeDebugPrivilege 2848 JaffaCakes118_1fc8a045d27bb49066562441be908997.exe Token: SeSecurityPrivilege 2744 svchost.exe Token: SeSecurityPrivilege 2808 svchost.exe Token: SeDebugPrivilege 2808 svchost.exe Token: SeRestorePrivilege 2808 svchost.exe Token: SeBackupPrivilege 2808 svchost.exe Token: SeRestorePrivilege 2808 svchost.exe Token: SeBackupPrivilege 2808 svchost.exe Token: SeRestorePrivilege 2808 svchost.exe Token: SeBackupPrivilege 2808 svchost.exe Token: SeRestorePrivilege 2808 svchost.exe Token: SeBackupPrivilege 2808 svchost.exe Token: SeRestorePrivilege 2808 svchost.exe Token: SeBackupPrivilege 2808 svchost.exe Token: SeRestorePrivilege 2808 svchost.exe Token: SeBackupPrivilege 2808 svchost.exe Token: SeSecurityPrivilege 964 arsdreqiqvbodjdl.exe Token: SeLoadDriverPrivilege 964 arsdreqiqvbodjdl.exe Token: SeRestorePrivilege 2808 svchost.exe Token: SeBackupPrivilege 2808 svchost.exe Token: SeRestorePrivilege 2808 svchost.exe Token: SeBackupPrivilege 2808 svchost.exe Token: SeRestorePrivilege 2808 svchost.exe Token: SeBackupPrivilege 2808 svchost.exe Token: SeRestorePrivilege 2808 svchost.exe Token: SeBackupPrivilege 2808 svchost.exe Token: SeRestorePrivilege 2808 svchost.exe Token: SeBackupPrivilege 2808 svchost.exe Token: SeRestorePrivilege 2808 svchost.exe Token: SeBackupPrivilege 2808 svchost.exe Token: SeRestorePrivilege 2808 svchost.exe Token: SeBackupPrivilege 2808 svchost.exe Token: SeRestorePrivilege 2808 svchost.exe Token: SeBackupPrivilege 2808 svchost.exe Token: SeRestorePrivilege 2808 svchost.exe Token: SeBackupPrivilege 2808 svchost.exe Token: SeRestorePrivilege 2808 svchost.exe Token: SeBackupPrivilege 2808 svchost.exe Token: SeRestorePrivilege 2808 svchost.exe Token: SeBackupPrivilege 2808 svchost.exe Token: SeRestorePrivilege 2808 svchost.exe Token: SeBackupPrivilege 2808 svchost.exe Token: SeRestorePrivilege 2808 svchost.exe Token: SeBackupPrivilege 2808 svchost.exe Token: SeRestorePrivilege 2808 svchost.exe Token: SeBackupPrivilege 2808 svchost.exe Token: SeRestorePrivilege 2808 svchost.exe Token: SeBackupPrivilege 2808 svchost.exe Token: SeRestorePrivilege 2808 svchost.exe Token: SeBackupPrivilege 2808 svchost.exe Token: SeRestorePrivilege 2808 svchost.exe Token: SeBackupPrivilege 2808 svchost.exe Token: SeRestorePrivilege 2808 svchost.exe Token: SeBackupPrivilege 2808 svchost.exe Token: SeRestorePrivilege 2808 svchost.exe Token: SeBackupPrivilege 2808 svchost.exe Token: SeRestorePrivilege 2808 svchost.exe Token: SeBackupPrivilege 2808 svchost.exe Token: SeRestorePrivilege 2808 svchost.exe Token: SeBackupPrivilege 2808 svchost.exe Token: SeRestorePrivilege 2808 svchost.exe Token: SeBackupPrivilege 2808 svchost.exe Token: SeRestorePrivilege 2808 svchost.exe -
Suspicious use of WriteProcessMemory 24 IoCs
description pid Process procid_target PID 2848 wrote to memory of 2744 2848 JaffaCakes118_1fc8a045d27bb49066562441be908997.exe 30 PID 2848 wrote to memory of 2744 2848 JaffaCakes118_1fc8a045d27bb49066562441be908997.exe 30 PID 2848 wrote to memory of 2744 2848 JaffaCakes118_1fc8a045d27bb49066562441be908997.exe 30 PID 2848 wrote to memory of 2744 2848 JaffaCakes118_1fc8a045d27bb49066562441be908997.exe 30 PID 2848 wrote to memory of 2744 2848 JaffaCakes118_1fc8a045d27bb49066562441be908997.exe 30 PID 2848 wrote to memory of 2744 2848 JaffaCakes118_1fc8a045d27bb49066562441be908997.exe 30 PID 2848 wrote to memory of 2744 2848 JaffaCakes118_1fc8a045d27bb49066562441be908997.exe 30 PID 2848 wrote to memory of 2744 2848 JaffaCakes118_1fc8a045d27bb49066562441be908997.exe 30 PID 2848 wrote to memory of 2744 2848 JaffaCakes118_1fc8a045d27bb49066562441be908997.exe 30 PID 2848 wrote to memory of 2744 2848 JaffaCakes118_1fc8a045d27bb49066562441be908997.exe 30 PID 2848 wrote to memory of 2808 2848 JaffaCakes118_1fc8a045d27bb49066562441be908997.exe 31 PID 2848 wrote to memory of 2808 2848 JaffaCakes118_1fc8a045d27bb49066562441be908997.exe 31 PID 2848 wrote to memory of 2808 2848 JaffaCakes118_1fc8a045d27bb49066562441be908997.exe 31 PID 2848 wrote to memory of 2808 2848 JaffaCakes118_1fc8a045d27bb49066562441be908997.exe 31 PID 2848 wrote to memory of 2808 2848 JaffaCakes118_1fc8a045d27bb49066562441be908997.exe 31 PID 2848 wrote to memory of 2808 2848 JaffaCakes118_1fc8a045d27bb49066562441be908997.exe 31 PID 2848 wrote to memory of 2808 2848 JaffaCakes118_1fc8a045d27bb49066562441be908997.exe 31 PID 2848 wrote to memory of 2808 2848 JaffaCakes118_1fc8a045d27bb49066562441be908997.exe 31 PID 2848 wrote to memory of 2808 2848 JaffaCakes118_1fc8a045d27bb49066562441be908997.exe 31 PID 2848 wrote to memory of 2808 2848 JaffaCakes118_1fc8a045d27bb49066562441be908997.exe 31 PID 2848 wrote to memory of 964 2848 JaffaCakes118_1fc8a045d27bb49066562441be908997.exe 32 PID 2848 wrote to memory of 964 2848 JaffaCakes118_1fc8a045d27bb49066562441be908997.exe 32 PID 2848 wrote to memory of 964 2848 JaffaCakes118_1fc8a045d27bb49066562441be908997.exe 32 PID 2848 wrote to memory of 964 2848 JaffaCakes118_1fc8a045d27bb49066562441be908997.exe 32
Processes
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C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_1fc8a045d27bb49066562441be908997.exe"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_1fc8a045d27bb49066562441be908997.exe"1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2848 -
C:\Windows\SysWOW64\svchost.exeC:\Windows\system32\svchost.exe2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:2744
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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:2808
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C:\Users\Admin\AppData\Local\Temp\arsdreqiqvbodjdl.exe"C:\Users\Admin\AppData\Local\Temp\arsdreqiqvbodjdl.exe"2⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:964
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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
Loading Replay Monitor...
Downloads
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Filesize
124KB
MD51fc8a045d27bb49066562441be908997
SHA1a04b9dd5f27932f6cdb6ddfcecb36f15e73041ed
SHA25636d3b50ffe4f63ad56648c586d76b80094c625db7c2c0309b9848dd95972f123
SHA5129e4f2c7c535626fb1a9560229658966c1affba2d24652721905ee590cba338a9fb58ae1ff019a20a37e9596d78c000e263fc687c67f1219ded799d59b35b6cec