Analysis
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max time kernel
147s -
max time network
17s -
platform
windows7_x64 -
resource
win7-20240708-en -
resource tags
arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system -
submitted
21-09-2024 20:08
Behavioral task
behavioral1
Sample
f0850253a902e9d30a2ecd52936e7b96_JaffaCakes118.exe
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
f0850253a902e9d30a2ecd52936e7b96_JaffaCakes118.exe
Resource
win10v2004-20240802-en
General
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Target
f0850253a902e9d30a2ecd52936e7b96_JaffaCakes118.exe
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Size
270KB
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MD5
f0850253a902e9d30a2ecd52936e7b96
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SHA1
e7b0479b0e7ae3cd8d7dc2aa526cc2bb14ceb39e
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SHA256
f74c56844f90ffcb8cbe03394dba68a6d192ffb52010f846a156a97b2d57898c
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SHA512
ae0497185af58d9823edb177fc1c3b2ba4990275f5283be1d4a490623334513ecccc87299c979c64da9f8d8ffc8783217288607fe0b5f25a21ae883057ed0c03
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SSDEEP
6144:rG377xS2Vp2CeiorXdwTBgWx4v53jpcCJJvHT:ar7xS2Vp6RwTyCibJJvHT
Malware Config
Signatures
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ModiLoader, DBatLoader
ModiLoader is a Delphi loader that misuses cloud services to download other malicious families.
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description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" msn.exe -
ModiLoader Second Stage 16 IoCs
resource yara_rule behavioral1/files/0x00060000000055d8-5.dat modiloader_stage2 behavioral1/memory/1920-9-0x0000000000400000-0x000000000044B000-memory.dmp modiloader_stage2 behavioral1/memory/1604-19-0x0000000000400000-0x000000000044B000-memory.dmp modiloader_stage2 behavioral1/memory/1604-23-0x0000000000400000-0x000000000044B000-memory.dmp modiloader_stage2 behavioral1/memory/1604-26-0x0000000000400000-0x000000000044B000-memory.dmp modiloader_stage2 behavioral1/memory/1604-29-0x0000000000400000-0x000000000044B000-memory.dmp modiloader_stage2 behavioral1/memory/1604-32-0x0000000000400000-0x000000000044B000-memory.dmp modiloader_stage2 behavioral1/memory/1604-36-0x0000000000400000-0x000000000044B000-memory.dmp modiloader_stage2 behavioral1/memory/1604-39-0x0000000000400000-0x000000000044B000-memory.dmp modiloader_stage2 behavioral1/memory/1604-42-0x0000000000400000-0x000000000044B000-memory.dmp modiloader_stage2 behavioral1/memory/1604-45-0x0000000000400000-0x000000000044B000-memory.dmp modiloader_stage2 behavioral1/memory/1604-48-0x0000000000400000-0x000000000044B000-memory.dmp modiloader_stage2 behavioral1/memory/1604-51-0x0000000000400000-0x000000000044B000-memory.dmp modiloader_stage2 behavioral1/memory/1604-54-0x0000000000400000-0x000000000044B000-memory.dmp modiloader_stage2 behavioral1/memory/1604-57-0x0000000000400000-0x000000000044B000-memory.dmp modiloader_stage2 behavioral1/memory/1604-60-0x0000000000400000-0x000000000044B000-memory.dmp modiloader_stage2 -
Deletes itself 1 IoCs
pid Process 1604 msn.exe -
Executes dropped EXE 1 IoCs
pid Process 1604 msn.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1506706701-1246725540-2219210854-1000\Software\Microsoft\Windows\CurrentVersion\Run\msn = "C:\\Windows\\msn.exe" msn.exe -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" msn.exe Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA f0850253a902e9d30a2ecd52936e7b96_JaffaCakes118.exe Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA msn.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File created C:\Windows\msn.exe f0850253a902e9d30a2ecd52936e7b96_JaffaCakes118.exe File opened for modification C:\Windows\msn.exe f0850253a902e9d30a2ecd52936e7b96_JaffaCakes118.exe File created C:\Windows\ntdtcstp.dll msn.exe File created C:\Windows\cmsetac.dll msn.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 2 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 f0850253a902e9d30a2ecd52936e7b96_JaffaCakes118.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language msn.exe -
Suspicious use of AdjustPrivilegeToken 6 IoCs
description pid Process Token: SeDebugPrivilege 1920 f0850253a902e9d30a2ecd52936e7b96_JaffaCakes118.exe Token: SeBackupPrivilege 1772 vssvc.exe Token: SeRestorePrivilege 1772 vssvc.exe Token: SeAuditPrivilege 1772 vssvc.exe Token: SeDebugPrivilege 1604 msn.exe Token: SeDebugPrivilege 1604 msn.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 1604 msn.exe 1604 msn.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 1920 wrote to memory of 1604 1920 f0850253a902e9d30a2ecd52936e7b96_JaffaCakes118.exe 33 PID 1920 wrote to memory of 1604 1920 f0850253a902e9d30a2ecd52936e7b96_JaffaCakes118.exe 33 PID 1920 wrote to memory of 1604 1920 f0850253a902e9d30a2ecd52936e7b96_JaffaCakes118.exe 33 PID 1920 wrote to memory of 1604 1920 f0850253a902e9d30a2ecd52936e7b96_JaffaCakes118.exe 33 -
System policy modification 1 TTPs 1 IoCs
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" msn.exe -
Uses Volume Shadow Copy service COM API
The Volume Shadow Copy service is used to manage backups/snapshots.
Processes
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C:\Users\Admin\AppData\Local\Temp\f0850253a902e9d30a2ecd52936e7b96_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\f0850253a902e9d30a2ecd52936e7b96_JaffaCakes118.exe"1⤵
- Checks whether UAC is enabled
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1920 -
C:\Windows\msn.exe"C:\Windows\msn.exe" \melt "C:\Users\Admin\AppData\Local\Temp\f0850253a902e9d30a2ecd52936e7b96_JaffaCakes118.exe"2⤵
- UAC bypass
- Deletes itself
- Executes dropped EXE
- Adds Run key to start application
- Checks whether UAC is enabled
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- System policy modification
PID:1604
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:1772
Network
MITRE ATT&CK Enterprise v15
Privilege Escalation
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Defense Evasion
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Impair Defenses
1Disable or Modify Tools
1Modify Registry
3Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
270KB
MD5f0850253a902e9d30a2ecd52936e7b96
SHA1e7b0479b0e7ae3cd8d7dc2aa526cc2bb14ceb39e
SHA256f74c56844f90ffcb8cbe03394dba68a6d192ffb52010f846a156a97b2d57898c
SHA512ae0497185af58d9823edb177fc1c3b2ba4990275f5283be1d4a490623334513ecccc87299c979c64da9f8d8ffc8783217288607fe0b5f25a21ae883057ed0c03