Analysis
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max time kernel
150s -
max time network
145s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
02-11-2024 19:44
Behavioral task
behavioral1
Sample
875c414debc21939564b01a7a856114b_JaffaCakes118.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
875c414debc21939564b01a7a856114b_JaffaCakes118.exe
Resource
win10v2004-20241007-en
General
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Target
875c414debc21939564b01a7a856114b_JaffaCakes118.exe
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Size
114KB
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MD5
875c414debc21939564b01a7a856114b
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SHA1
e43c44ba45ee7268a9d534aed95318f5b06b3f65
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SHA256
fc8a6e1d300bb0af6e359139ade98e2437221e1c92d927d73e5e57cc91e10c66
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SHA512
60001564376ae3f1d8d949c4842d2336e776ff4e88ae51c18e42d397cf9e2161beebacee93f5044d7f3b0f197a80563b337e352c8f2991e25e2fc090bdea58d7
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SSDEEP
1536:hVuNAXTj4Fj/91/NnLZqeWEPVpa8DzePjkgcwYS7S5+Vfk09W50oQezzqZl7unoS:voy8j7VnNdrPHaSekwi+mWHKzqaout
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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Modiloader family
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Processes:
winlogon.exedescription ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" winlogon.exe -
ModiLoader Second Stage 16 IoCs
Processes:
resource yara_rule behavioral2/memory/3196-10-0x0000000000400000-0x0000000000453000-memory.dmp modiloader_stage2 behavioral2/memory/3452-27-0x0000000000400000-0x0000000000453000-memory.dmp modiloader_stage2 behavioral2/memory/3452-28-0x0000000000400000-0x0000000000453000-memory.dmp modiloader_stage2 behavioral2/memory/3452-31-0x0000000000400000-0x0000000000453000-memory.dmp modiloader_stage2 behavioral2/memory/3452-34-0x0000000000400000-0x0000000000453000-memory.dmp modiloader_stage2 behavioral2/memory/3452-37-0x0000000000400000-0x0000000000453000-memory.dmp modiloader_stage2 behavioral2/memory/3452-40-0x0000000000400000-0x0000000000453000-memory.dmp modiloader_stage2 behavioral2/memory/3452-43-0x0000000000400000-0x0000000000453000-memory.dmp modiloader_stage2 behavioral2/memory/3452-46-0x0000000000400000-0x0000000000453000-memory.dmp modiloader_stage2 behavioral2/memory/3452-49-0x0000000000400000-0x0000000000453000-memory.dmp modiloader_stage2 behavioral2/memory/3452-52-0x0000000000400000-0x0000000000453000-memory.dmp modiloader_stage2 behavioral2/memory/3452-55-0x0000000000400000-0x0000000000453000-memory.dmp modiloader_stage2 behavioral2/memory/3452-58-0x0000000000400000-0x0000000000453000-memory.dmp modiloader_stage2 behavioral2/memory/3452-61-0x0000000000400000-0x0000000000453000-memory.dmp modiloader_stage2 behavioral2/memory/3452-64-0x0000000000400000-0x0000000000453000-memory.dmp modiloader_stage2 behavioral2/memory/3452-67-0x0000000000400000-0x0000000000453000-memory.dmp modiloader_stage2 -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
875c414debc21939564b01a7a856114b_JaffaCakes118.exedescription ioc Process Key value queried \REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\Control Panel\International\Geo\Nation 875c414debc21939564b01a7a856114b_JaffaCakes118.exe -
Executes dropped EXE 1 IoCs
Processes:
winlogon.exepid Process 3452 winlogon.exe -
Loads dropped DLL 4 IoCs
Processes:
winlogon.exepid Process 3452 winlogon.exe 3452 winlogon.exe 3452 winlogon.exe 3452 winlogon.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
winlogon.exedescription ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\winlogon = "C:\\Windows\\winlogon.exe" winlogon.exe -
Processes:
875c414debc21939564b01a7a856114b_JaffaCakes118.exewinlogon.exedescription ioc Process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA 875c414debc21939564b01a7a856114b_JaffaCakes118.exe Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA winlogon.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" winlogon.exe -
Processes:
resource yara_rule behavioral2/memory/3196-0-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral2/files/0x000e000000023a7a-6.dat upx behavioral2/memory/3196-10-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral2/memory/3452-27-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral2/memory/3452-28-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral2/memory/3452-31-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral2/memory/3452-34-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral2/memory/3452-37-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral2/memory/3452-40-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral2/memory/3452-43-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral2/memory/3452-46-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral2/memory/3452-49-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral2/memory/3452-52-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral2/memory/3452-55-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral2/memory/3452-58-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral2/memory/3452-61-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral2/memory/3452-64-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral2/memory/3452-67-0x0000000000400000-0x0000000000453000-memory.dmp upx -
Drops file in Windows directory 4 IoCs
Processes:
875c414debc21939564b01a7a856114b_JaffaCakes118.exewinlogon.exedescription ioc Process File created C:\Windows\winlogon.exe 875c414debc21939564b01a7a856114b_JaffaCakes118.exe File opened for modification C:\Windows\winlogon.exe 875c414debc21939564b01a7a856114b_JaffaCakes118.exe File created C:\Windows\ntdtcstp.dll winlogon.exe File created C:\Windows\cmsetac.dll winlogon.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.
Processes:
875c414debc21939564b01a7a856114b_JaffaCakes118.exewinlogon.exedescription ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 875c414debc21939564b01a7a856114b_JaffaCakes118.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language winlogon.exe -
Suspicious use of AdjustPrivilegeToken 6 IoCs
Processes:
875c414debc21939564b01a7a856114b_JaffaCakes118.exevssvc.exewinlogon.exedescription pid Process Token: SeDebugPrivilege 3196 875c414debc21939564b01a7a856114b_JaffaCakes118.exe Token: SeBackupPrivilege 4860 vssvc.exe Token: SeRestorePrivilege 4860 vssvc.exe Token: SeAuditPrivilege 4860 vssvc.exe Token: SeDebugPrivilege 3452 winlogon.exe Token: SeDebugPrivilege 3452 winlogon.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
Processes:
winlogon.exepid Process 3452 winlogon.exe 3452 winlogon.exe -
Suspicious use of WriteProcessMemory 3 IoCs
Processes:
875c414debc21939564b01a7a856114b_JaffaCakes118.exedescription pid Process procid_target PID 3196 wrote to memory of 3452 3196 875c414debc21939564b01a7a856114b_JaffaCakes118.exe 95 PID 3196 wrote to memory of 3452 3196 875c414debc21939564b01a7a856114b_JaffaCakes118.exe 95 PID 3196 wrote to memory of 3452 3196 875c414debc21939564b01a7a856114b_JaffaCakes118.exe 95 -
System policy modification 1 TTPs 1 IoCs
Processes:
winlogon.exedescription ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" winlogon.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\875c414debc21939564b01a7a856114b_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\875c414debc21939564b01a7a856114b_JaffaCakes118.exe"1⤵
- Checks computer location settings
- 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:3196 -
C:\Windows\winlogon.exe"C:\Windows\winlogon.exe"2⤵
- UAC bypass
- Executes dropped EXE
- Loads dropped DLL
- 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:3452
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:4860
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
33KB
MD56663db3f80c0e4a7dd2898bedd4faa3b
SHA19fb75ff529aba9fa12c901536da1fa34d62fe464
SHA25613acd528445c5dbd976a6acbd6eb563412b3c6537992a609b6e3ceb47459930e
SHA512217644d45ca68da249029f924a1b0b6ab4f3241413cc600e83bdc2c56f8f64b49e009ff896452ce8cbc296d10d49c190a60425a382ab7ac4cd89754877c05697
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Filesize
7KB
MD567587e25a971a141628d7f07bd40ffa0
SHA176fcd014539a3bb247cc0b761225f68bd6055f6b
SHA256e6829866322d68d5c5b78e3d48dcec70a41cdc42c6f357a44fd329f74a8b4378
SHA5126e6de7aa02c48f8b96b06e5f1160fbc5c95312320636e138cc997ef3362a61bc50ec03db1f06292eb964cd71915ddb2ec2eb741432c7da44215a4acbb576a350
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Filesize
114KB
MD5875c414debc21939564b01a7a856114b
SHA1e43c44ba45ee7268a9d534aed95318f5b06b3f65
SHA256fc8a6e1d300bb0af6e359139ade98e2437221e1c92d927d73e5e57cc91e10c66
SHA51260001564376ae3f1d8d949c4842d2336e776ff4e88ae51c18e42d397cf9e2161beebacee93f5044d7f3b0f197a80563b337e352c8f2991e25e2fc090bdea58d7