Analysis
-
max time kernel
148s -
max time network
149s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
08-05-2024 18:32
Behavioral task
behavioral1
Sample
2629102aaab6078a598437b0bfde20f6_JaffaCakes118.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
2629102aaab6078a598437b0bfde20f6_JaffaCakes118.exe
Resource
win10v2004-20240508-en
General
-
Target
2629102aaab6078a598437b0bfde20f6_JaffaCakes118.exe
-
Size
270KB
-
MD5
2629102aaab6078a598437b0bfde20f6
-
SHA1
7f02c1be915d19184f1f68ec89078ee55a9f974e
-
SHA256
8aa5a9c79c871690a1fad384608ba8abcb7e18a09968ed177a3830f9363a716f
-
SHA512
d70f52ea07b78af4dc1ebb6c89afb4e874b1436233ed2d24215cd3795ac8bf74d5ee3538fc27092f713a9ab14524bf7f79eca1a20b30adff0354ac22e2004847
-
SSDEEP
6144:KG377xS2Vp2CeiorXhwTBOz53RHopcCJJvH:Zr7xS2Vp6FwTcHobJJvH
Malware Config
Signatures
-
ModiLoader, DBatLoader
ModiLoader is a Delphi loader that misuses cloud services to download other malicious families.
-
Processes:
mstwain32.exedescription ioc process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" mstwain32.exe -
ModiLoader Second Stage 16 IoCs
Processes:
resource yara_rule C:\Windows\mstwain32.exe modiloader_stage2 behavioral2/memory/2416-9-0x0000000000400000-0x000000000044B000-memory.dmp modiloader_stage2 behavioral2/memory/1792-26-0x0000000000400000-0x000000000044B000-memory.dmp modiloader_stage2 behavioral2/memory/1792-29-0x0000000000400000-0x000000000044B000-memory.dmp modiloader_stage2 behavioral2/memory/1792-32-0x0000000000400000-0x000000000044B000-memory.dmp modiloader_stage2 behavioral2/memory/1792-35-0x0000000000400000-0x000000000044B000-memory.dmp modiloader_stage2 behavioral2/memory/1792-38-0x0000000000400000-0x000000000044B000-memory.dmp modiloader_stage2 behavioral2/memory/1792-41-0x0000000000400000-0x000000000044B000-memory.dmp modiloader_stage2 behavioral2/memory/1792-44-0x0000000000400000-0x000000000044B000-memory.dmp modiloader_stage2 behavioral2/memory/1792-47-0x0000000000400000-0x000000000044B000-memory.dmp modiloader_stage2 behavioral2/memory/1792-50-0x0000000000400000-0x000000000044B000-memory.dmp modiloader_stage2 behavioral2/memory/1792-53-0x0000000000400000-0x000000000044B000-memory.dmp modiloader_stage2 behavioral2/memory/1792-56-0x0000000000400000-0x000000000044B000-memory.dmp modiloader_stage2 behavioral2/memory/1792-59-0x0000000000400000-0x000000000044B000-memory.dmp modiloader_stage2 behavioral2/memory/1792-62-0x0000000000400000-0x000000000044B000-memory.dmp modiloader_stage2 behavioral2/memory/1792-65-0x0000000000400000-0x000000000044B000-memory.dmp modiloader_stage2 -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
2629102aaab6078a598437b0bfde20f6_JaffaCakes118.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\Control Panel\International\Geo\Nation 2629102aaab6078a598437b0bfde20f6_JaffaCakes118.exe -
Deletes itself 1 IoCs
Processes:
mstwain32.exepid process 1792 mstwain32.exe -
Executes dropped EXE 1 IoCs
Processes:
mstwain32.exepid process 1792 mstwain32.exe -
Loads dropped DLL 4 IoCs
Processes:
mstwain32.exepid process 1792 mstwain32.exe 1792 mstwain32.exe 1792 mstwain32.exe 1792 mstwain32.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
mstwain32.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Lütfen Çalýþtýrýn = "C:\\Windows\\mstwain32.exe" mstwain32.exe -
Processes:
mstwain32.exe2629102aaab6078a598437b0bfde20f6_JaffaCakes118.exedescription ioc process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" mstwain32.exe Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA 2629102aaab6078a598437b0bfde20f6_JaffaCakes118.exe Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA mstwain32.exe -
Drops file in Windows directory 4 IoCs
Processes:
mstwain32.exe2629102aaab6078a598437b0bfde20f6_JaffaCakes118.exedescription ioc process File created C:\Windows\ntdtcstp.dll mstwain32.exe File created C:\Windows\cmsetac.dll mstwain32.exe File created C:\Windows\mstwain32.exe 2629102aaab6078a598437b0bfde20f6_JaffaCakes118.exe File opened for modification C:\Windows\mstwain32.exe 2629102aaab6078a598437b0bfde20f6_JaffaCakes118.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
-
Suspicious use of AdjustPrivilegeToken 6 IoCs
Processes:
2629102aaab6078a598437b0bfde20f6_JaffaCakes118.exevssvc.exemstwain32.exedescription pid process Token: SeDebugPrivilege 2416 2629102aaab6078a598437b0bfde20f6_JaffaCakes118.exe Token: SeBackupPrivilege 376 vssvc.exe Token: SeRestorePrivilege 376 vssvc.exe Token: SeAuditPrivilege 376 vssvc.exe Token: SeDebugPrivilege 1792 mstwain32.exe Token: SeDebugPrivilege 1792 mstwain32.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
Processes:
mstwain32.exepid process 1792 mstwain32.exe 1792 mstwain32.exe -
Suspicious use of WriteProcessMemory 3 IoCs
Processes:
2629102aaab6078a598437b0bfde20f6_JaffaCakes118.exedescription pid process target process PID 2416 wrote to memory of 1792 2416 2629102aaab6078a598437b0bfde20f6_JaffaCakes118.exe mstwain32.exe PID 2416 wrote to memory of 1792 2416 2629102aaab6078a598437b0bfde20f6_JaffaCakes118.exe mstwain32.exe PID 2416 wrote to memory of 1792 2416 2629102aaab6078a598437b0bfde20f6_JaffaCakes118.exe mstwain32.exe -
System policy modification 1 TTPs 1 IoCs
Processes:
mstwain32.exedescription 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
-
C:\Users\Admin\AppData\Local\Temp\2629102aaab6078a598437b0bfde20f6_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\2629102aaab6078a598437b0bfde20f6_JaffaCakes118.exe"1⤵
- Checks computer location settings
- Checks whether UAC is enabled
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2416 -
C:\Windows\mstwain32.exe"C:\Windows\mstwain32.exe" \melt "C:\Users\Admin\AppData\Local\Temp\2629102aaab6078a598437b0bfde20f6_JaffaCakes118.exe"2⤵
- UAC bypass
- Deletes itself
- Executes dropped EXE
- Loads dropped DLL
- Adds Run key to start application
- Checks whether UAC is enabled
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- System policy modification
PID:1792
-
C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:376
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
1Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
33KB
MD5797988d4532348f0d8fcc82defd035d1
SHA137aade528fb0cb5d0cebd85bed3ec8103cfbf31b
SHA2561a6a34b4e65bfce2085bcfb07a7691830624ba876c84da714fe8d94d5a473bdc
SHA512e26cff681f7e205ce27b0c08fd4f5a28c67e05dc7a10b2ed2471a75e21c6fbc4121fd836b185f305e634fe3a450db3fde10942a4d9687794b1c05e175667c360
-
Filesize
270KB
MD52629102aaab6078a598437b0bfde20f6
SHA17f02c1be915d19184f1f68ec89078ee55a9f974e
SHA2568aa5a9c79c871690a1fad384608ba8abcb7e18a09968ed177a3830f9363a716f
SHA512d70f52ea07b78af4dc1ebb6c89afb4e874b1436233ed2d24215cd3795ac8bf74d5ee3538fc27092f713a9ab14524bf7f79eca1a20b30adff0354ac22e2004847
-
Filesize
7KB
MD567587e25a971a141628d7f07bd40ffa0
SHA176fcd014539a3bb247cc0b761225f68bd6055f6b
SHA256e6829866322d68d5c5b78e3d48dcec70a41cdc42c6f357a44fd329f74a8b4378
SHA5126e6de7aa02c48f8b96b06e5f1160fbc5c95312320636e138cc997ef3362a61bc50ec03db1f06292eb964cd71915ddb2ec2eb741432c7da44215a4acbb576a350