Analysis
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max time kernel
149s -
max time network
148s -
platform
windows7_x64 -
resource
win7-20240708-en -
resource tags
arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system -
submitted
11-08-2024 15:50
Static task
static1
Behavioral task
behavioral1
Sample
8af8d1f7591afd689c2831c6c8d1208b_JaffaCakes118.exe
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
8af8d1f7591afd689c2831c6c8d1208b_JaffaCakes118.exe
Resource
win10v2004-20240802-en
General
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Target
8af8d1f7591afd689c2831c6c8d1208b_JaffaCakes118.exe
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Size
1.1MB
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MD5
8af8d1f7591afd689c2831c6c8d1208b
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SHA1
b249c011a9cb897cf3a25955b5c7fa8b38a1932f
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SHA256
9b96127df2aca23c21c95634e702fc86c3e38dc91a273c43f691844f2e057e34
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SHA512
ee28b2a52fc9c1988611220ab5605c88daebfcdc689931bf5e6718b1cf8d467fe478f3c365afd485e6fd8e28beaae3cb3d7a2ad073ff7b3f5691b14310c88a1d
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SSDEEP
24576:wpBZWjLdGes8QcryDk976uzq0yWKbePBc/XxvR/fBstWGoAZnErQcEVC:O076+RxKYBc/Xxp/fB2WYn2i
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" mstwain32.exe -
ModiLoader Second Stage 24 IoCs
resource yara_rule behavioral1/memory/2580-0-0x0000000000400000-0x000000000054F000-memory.dmp modiloader_stage2 behavioral1/memory/2580-1-0x0000000000400000-0x000000000054F000-memory.dmp modiloader_stage2 behavioral1/memory/2580-11-0x0000000000400000-0x000000000054F000-memory.dmp modiloader_stage2 behavioral1/memory/2984-16-0x0000000000400000-0x000000000054F000-memory.dmp modiloader_stage2 behavioral1/memory/2984-15-0x0000000000400000-0x000000000054F000-memory.dmp modiloader_stage2 behavioral1/memory/2984-19-0x0000000000400000-0x000000000054F000-memory.dmp modiloader_stage2 behavioral1/memory/2984-20-0x0000000000400000-0x000000000054F000-memory.dmp modiloader_stage2 behavioral1/memory/2984-21-0x0000000000400000-0x000000000054F000-memory.dmp modiloader_stage2 behavioral1/memory/2984-24-0x0000000000400000-0x000000000054F000-memory.dmp modiloader_stage2 behavioral1/memory/2984-25-0x0000000000400000-0x000000000054F000-memory.dmp modiloader_stage2 behavioral1/memory/2984-28-0x0000000000400000-0x000000000054F000-memory.dmp modiloader_stage2 behavioral1/memory/2984-29-0x0000000000400000-0x000000000054F000-memory.dmp modiloader_stage2 behavioral1/memory/2984-30-0x0000000000400000-0x000000000054F000-memory.dmp modiloader_stage2 behavioral1/memory/2984-33-0x0000000000400000-0x000000000054F000-memory.dmp modiloader_stage2 behavioral1/memory/2984-36-0x0000000000400000-0x000000000054F000-memory.dmp modiloader_stage2 behavioral1/memory/2984-40-0x0000000000400000-0x000000000054F000-memory.dmp modiloader_stage2 behavioral1/memory/2984-43-0x0000000000400000-0x000000000054F000-memory.dmp modiloader_stage2 behavioral1/memory/2984-46-0x0000000000400000-0x000000000054F000-memory.dmp modiloader_stage2 behavioral1/memory/2984-49-0x0000000000400000-0x000000000054F000-memory.dmp modiloader_stage2 behavioral1/memory/2984-52-0x0000000000400000-0x000000000054F000-memory.dmp modiloader_stage2 behavioral1/memory/2984-55-0x0000000000400000-0x000000000054F000-memory.dmp modiloader_stage2 behavioral1/memory/2984-58-0x0000000000400000-0x000000000054F000-memory.dmp modiloader_stage2 behavioral1/memory/2984-61-0x0000000000400000-0x000000000054F000-memory.dmp modiloader_stage2 behavioral1/memory/2984-64-0x0000000000400000-0x000000000054F000-memory.dmp modiloader_stage2 -
Deletes itself 1 IoCs
pid Process 2984 mstwain32.exe -
Executes dropped EXE 1 IoCs
pid Process 2984 mstwain32.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Windows\CurrentVersion\Run\mstwain32 = "C:\\Windows\\mstwain32.exe" mstwain32.exe -
description ioc Process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA 8af8d1f7591afd689c2831c6c8d1208b_JaffaCakes118.exe Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA mstwain32.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" mstwain32.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File created C:\Windows\ntdtcstp.dll mstwain32.exe File created C:\Windows\cmsetac.dll mstwain32.exe File created C:\Windows\mstwain32.exe 8af8d1f7591afd689c2831c6c8d1208b_JaffaCakes118.exe File opened for modification C:\Windows\mstwain32.exe 8af8d1f7591afd689c2831c6c8d1208b_JaffaCakes118.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 8af8d1f7591afd689c2831c6c8d1208b_JaffaCakes118.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language mstwain32.exe -
Suspicious use of AdjustPrivilegeToken 6 IoCs
description pid Process Token: SeDebugPrivilege 2580 8af8d1f7591afd689c2831c6c8d1208b_JaffaCakes118.exe Token: SeBackupPrivilege 1408 vssvc.exe Token: SeRestorePrivilege 1408 vssvc.exe Token: SeAuditPrivilege 1408 vssvc.exe Token: SeDebugPrivilege 2984 mstwain32.exe Token: SeDebugPrivilege 2984 mstwain32.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 2984 mstwain32.exe 2984 mstwain32.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2580 wrote to memory of 2984 2580 8af8d1f7591afd689c2831c6c8d1208b_JaffaCakes118.exe 33 PID 2580 wrote to memory of 2984 2580 8af8d1f7591afd689c2831c6c8d1208b_JaffaCakes118.exe 33 PID 2580 wrote to memory of 2984 2580 8af8d1f7591afd689c2831c6c8d1208b_JaffaCakes118.exe 33 PID 2580 wrote to memory of 2984 2580 8af8d1f7591afd689c2831c6c8d1208b_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" mstwain32.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\8af8d1f7591afd689c2831c6c8d1208b_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\8af8d1f7591afd689c2831c6c8d1208b_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:2580 -
C:\Windows\mstwain32.exe"C:\Windows\mstwain32.exe" \melt "C:\Users\Admin\AppData\Local\Temp\8af8d1f7591afd689c2831c6c8d1208b_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:2984
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:1408
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
1.1MB
MD58af8d1f7591afd689c2831c6c8d1208b
SHA1b249c011a9cb897cf3a25955b5c7fa8b38a1932f
SHA2569b96127df2aca23c21c95634e702fc86c3e38dc91a273c43f691844f2e057e34
SHA512ee28b2a52fc9c1988611220ab5605c88daebfcdc689931bf5e6718b1cf8d467fe478f3c365afd485e6fd8e28beaae3cb3d7a2ad073ff7b3f5691b14310c88a1d