Analysis
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max time kernel
143s -
max time network
123s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
24-09-2024 09:43
Behavioral task
behavioral1
Sample
f35b8f4df7b2dbba4f7fa95c037c0ab0_JaffaCakes118.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
f35b8f4df7b2dbba4f7fa95c037c0ab0_JaffaCakes118.exe
Resource
win10v2004-20240802-en
General
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Target
f35b8f4df7b2dbba4f7fa95c037c0ab0_JaffaCakes118.exe
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Size
278KB
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MD5
f35b8f4df7b2dbba4f7fa95c037c0ab0
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SHA1
290b416e87f950d94a8ee286add004b1c3df98eb
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SHA256
0faca1aba9dada25f3a97a5f4627c659fa2574b2fdc7f1e445e399514203b5d0
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SHA512
5104c43b3d69fcc3800d8e2b5fd85c5c0ef4841922f36de0111a867992d31b68898147fbefafa55f4a1bbc33974c37ae194db5b1e93fc90c8ef71d14be9c6643
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SSDEEP
6144:yGyjnBSkuV1d4eZd88ORJIf/wTB4n53Bpc:hYnBSkuVUeZdYqwTQ
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 17 IoCs
resource yara_rule behavioral1/files/0x00060000000055ce-6.dat modiloader_stage2 behavioral1/memory/2696-11-0x0000000000400000-0x000000000044D000-memory.dmp modiloader_stage2 behavioral1/memory/2532-19-0x0000000076780000-0x0000000076870000-memory.dmp modiloader_stage2 behavioral1/memory/2532-21-0x0000000000400000-0x000000000044D000-memory.dmp modiloader_stage2 behavioral1/memory/2532-25-0x0000000000400000-0x000000000044D000-memory.dmp modiloader_stage2 behavioral1/memory/2532-28-0x0000000000400000-0x000000000044D000-memory.dmp modiloader_stage2 behavioral1/memory/2532-31-0x0000000000400000-0x000000000044D000-memory.dmp modiloader_stage2 behavioral1/memory/2532-34-0x0000000000400000-0x000000000044D000-memory.dmp modiloader_stage2 behavioral1/memory/2532-38-0x0000000000400000-0x000000000044D000-memory.dmp modiloader_stage2 behavioral1/memory/2532-41-0x0000000000400000-0x000000000044D000-memory.dmp modiloader_stage2 behavioral1/memory/2532-44-0x0000000000400000-0x000000000044D000-memory.dmp modiloader_stage2 behavioral1/memory/2532-47-0x0000000000400000-0x000000000044D000-memory.dmp modiloader_stage2 behavioral1/memory/2532-50-0x0000000000400000-0x000000000044D000-memory.dmp modiloader_stage2 behavioral1/memory/2532-53-0x0000000000400000-0x000000000044D000-memory.dmp modiloader_stage2 behavioral1/memory/2532-56-0x0000000000400000-0x000000000044D000-memory.dmp modiloader_stage2 behavioral1/memory/2532-59-0x0000000000400000-0x000000000044D000-memory.dmp modiloader_stage2 behavioral1/memory/2532-62-0x0000000000400000-0x000000000044D000-memory.dmp modiloader_stage2 -
Deletes itself 1 IoCs
pid Process 2532 mstwain32.exe -
Executes dropped EXE 1 IoCs
pid Process 2532 mstwain32.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\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 f35b8f4df7b2dbba4f7fa95c037c0ab0_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 opened for modification C:\Windows\mstwain32.exe f35b8f4df7b2dbba4f7fa95c037c0ab0_JaffaCakes118.exe File created C:\Windows\ntdtcstp.dll mstwain32.exe File created C:\Windows\cmsetac.dll mstwain32.exe File created C:\Windows\mstwain32.exe f35b8f4df7b2dbba4f7fa95c037c0ab0_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 f35b8f4df7b2dbba4f7fa95c037c0ab0_JaffaCakes118.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language mstwain32.exe -
Suspicious use of AdjustPrivilegeToken 6 IoCs
description pid Process Token: SeDebugPrivilege 2696 f35b8f4df7b2dbba4f7fa95c037c0ab0_JaffaCakes118.exe Token: SeBackupPrivilege 2748 vssvc.exe Token: SeRestorePrivilege 2748 vssvc.exe Token: SeAuditPrivilege 2748 vssvc.exe Token: SeDebugPrivilege 2532 mstwain32.exe Token: SeDebugPrivilege 2532 mstwain32.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 2696 f35b8f4df7b2dbba4f7fa95c037c0ab0_JaffaCakes118.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 2532 mstwain32.exe 2532 mstwain32.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2696 wrote to memory of 2532 2696 f35b8f4df7b2dbba4f7fa95c037c0ab0_JaffaCakes118.exe 33 PID 2696 wrote to memory of 2532 2696 f35b8f4df7b2dbba4f7fa95c037c0ab0_JaffaCakes118.exe 33 PID 2696 wrote to memory of 2532 2696 f35b8f4df7b2dbba4f7fa95c037c0ab0_JaffaCakes118.exe 33 PID 2696 wrote to memory of 2532 2696 f35b8f4df7b2dbba4f7fa95c037c0ab0_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\f35b8f4df7b2dbba4f7fa95c037c0ab0_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\f35b8f4df7b2dbba4f7fa95c037c0ab0_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 FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:2696 -
C:\Windows\mstwain32.exe"C:\Windows\mstwain32.exe" \melt "C:\Users\Admin\AppData\Local\Temp\f35b8f4df7b2dbba4f7fa95c037c0ab0_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:2532
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2748
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
278KB
MD5f35b8f4df7b2dbba4f7fa95c037c0ab0
SHA1290b416e87f950d94a8ee286add004b1c3df98eb
SHA2560faca1aba9dada25f3a97a5f4627c659fa2574b2fdc7f1e445e399514203b5d0
SHA5125104c43b3d69fcc3800d8e2b5fd85c5c0ef4841922f36de0111a867992d31b68898147fbefafa55f4a1bbc33974c37ae194db5b1e93fc90c8ef71d14be9c6643