Analysis
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max time kernel
148s -
max time network
149s -
platform
windows10-2004_x64 -
resource
win10v2004-20240419-en -
resource tags
arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system -
submitted
06-05-2024 13:52
Behavioral task
behavioral1
Sample
1cccfd3f39c93723923010dd9a9770ec_JaffaCakes118.exe
Resource
win7-20240220-en
Behavioral task
behavioral2
Sample
1cccfd3f39c93723923010dd9a9770ec_JaffaCakes118.exe
Resource
win10v2004-20240419-en
General
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Target
1cccfd3f39c93723923010dd9a9770ec_JaffaCakes118.exe
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Size
274KB
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MD5
1cccfd3f39c93723923010dd9a9770ec
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SHA1
6ee38483a40755644e151b77161ba5f25389d6de
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SHA256
263395ea613f77e2632304baacad0f464f47a38eb88f1c3884fab91f3ec9fa3c
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SHA512
a1bc687b1022fcdf583c0b595f7e42fc8b92901076546893036b91f9f763c96da492cc8830b1ec633fe72355e01b17587f7bc3c055417e82296fd342147b0950
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SSDEEP
6144:KGyjnBSkuV1d4eZd88ORJIf/wTB4b53Vpc:ZYnBSkuVUeZdYqwTc
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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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/1368-12-0x0000000000400000-0x000000000044C000-memory.dmp modiloader_stage2 behavioral2/memory/1492-28-0x0000000000400000-0x000000000044C000-memory.dmp modiloader_stage2 behavioral2/memory/1492-31-0x0000000000400000-0x000000000044C000-memory.dmp modiloader_stage2 behavioral2/memory/1492-34-0x0000000000400000-0x000000000044C000-memory.dmp modiloader_stage2 behavioral2/memory/1492-37-0x0000000000400000-0x000000000044C000-memory.dmp modiloader_stage2 behavioral2/memory/1492-40-0x0000000000400000-0x000000000044C000-memory.dmp modiloader_stage2 behavioral2/memory/1492-43-0x0000000000400000-0x000000000044C000-memory.dmp modiloader_stage2 behavioral2/memory/1492-46-0x0000000000400000-0x000000000044C000-memory.dmp modiloader_stage2 behavioral2/memory/1492-49-0x0000000000400000-0x000000000044C000-memory.dmp modiloader_stage2 behavioral2/memory/1492-52-0x0000000000400000-0x000000000044C000-memory.dmp modiloader_stage2 behavioral2/memory/1492-55-0x0000000000400000-0x000000000044C000-memory.dmp modiloader_stage2 behavioral2/memory/1492-58-0x0000000000400000-0x000000000044C000-memory.dmp modiloader_stage2 behavioral2/memory/1492-61-0x0000000000400000-0x000000000044C000-memory.dmp modiloader_stage2 behavioral2/memory/1492-64-0x0000000000400000-0x000000000044C000-memory.dmp modiloader_stage2 behavioral2/memory/1492-67-0x0000000000400000-0x000000000044C000-memory.dmp modiloader_stage2 -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
1cccfd3f39c93723923010dd9a9770ec_JaffaCakes118.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-2818691465-3043947619-2475182763-1000\Control Panel\International\Geo\Nation 1cccfd3f39c93723923010dd9a9770ec_JaffaCakes118.exe -
Deletes itself 1 IoCs
Processes:
mstwain32.exepid process 1492 mstwain32.exe -
Executes dropped EXE 1 IoCs
Processes:
mstwain32.exepid process 1492 mstwain32.exe -
Loads dropped DLL 4 IoCs
Processes:
mstwain32.exepid process 1492 mstwain32.exe 1492 mstwain32.exe 1492 mstwain32.exe 1492 mstwain32.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
mstwain32.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-2818691465-3043947619-2475182763-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\mstwain32 = "C:\\Windows\\mstwain32.exe" mstwain32.exe -
Processes:
1cccfd3f39c93723923010dd9a9770ec_JaffaCakes118.exemstwain32.exedescription ioc process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA 1cccfd3f39c93723923010dd9a9770ec_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
Processes:
1cccfd3f39c93723923010dd9a9770ec_JaffaCakes118.exemstwain32.exedescription ioc process File created C:\Windows\mstwain32.exe 1cccfd3f39c93723923010dd9a9770ec_JaffaCakes118.exe File opened for modification C:\Windows\mstwain32.exe 1cccfd3f39c93723923010dd9a9770ec_JaffaCakes118.exe File created C:\Windows\ntdtcstp.dll mstwain32.exe File created C:\Windows\cmsetac.dll mstwain32.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious use of AdjustPrivilegeToken 6 IoCs
Processes:
1cccfd3f39c93723923010dd9a9770ec_JaffaCakes118.exevssvc.exemstwain32.exedescription pid process Token: SeDebugPrivilege 1368 1cccfd3f39c93723923010dd9a9770ec_JaffaCakes118.exe Token: SeBackupPrivilege 1120 vssvc.exe Token: SeRestorePrivilege 1120 vssvc.exe Token: SeAuditPrivilege 1120 vssvc.exe Token: SeDebugPrivilege 1492 mstwain32.exe Token: SeDebugPrivilege 1492 mstwain32.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
Processes:
mstwain32.exepid process 1492 mstwain32.exe 1492 mstwain32.exe -
Suspicious use of WriteProcessMemory 3 IoCs
Processes:
1cccfd3f39c93723923010dd9a9770ec_JaffaCakes118.exedescription pid process target process PID 1368 wrote to memory of 1492 1368 1cccfd3f39c93723923010dd9a9770ec_JaffaCakes118.exe mstwain32.exe PID 1368 wrote to memory of 1492 1368 1cccfd3f39c93723923010dd9a9770ec_JaffaCakes118.exe mstwain32.exe PID 1368 wrote to memory of 1492 1368 1cccfd3f39c93723923010dd9a9770ec_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
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C:\Users\Admin\AppData\Local\Temp\1cccfd3f39c93723923010dd9a9770ec_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\1cccfd3f39c93723923010dd9a9770ec_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:1368 -
C:\Windows\mstwain32.exe"C:\Windows\mstwain32.exe" \melt "C:\Users\Admin\AppData\Local\Temp\1cccfd3f39c93723923010dd9a9770ec_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:1492
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:1120
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
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Downloads
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Filesize
32KB
MD5f39690b9351cfe6d4264efc0d9039dcf
SHA182e4808c635a9bfda88102d87379e2d16927f11c
SHA256681d3afa7d42376d7f8c22da43dceb53cb7b3060181c431a7f49b55bdcef2c42
SHA51244b97e001a4cb61217a0f8731a1cf6ad00ebc5e8cb6bc865b28e04fa17ec0f4b6fb8215eb1f2c3b91514f2042bb01e23651a4dafc9f6d12f8119f632a26e86b2
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Filesize
274KB
MD51cccfd3f39c93723923010dd9a9770ec
SHA16ee38483a40755644e151b77161ba5f25389d6de
SHA256263395ea613f77e2632304baacad0f464f47a38eb88f1c3884fab91f3ec9fa3c
SHA512a1bc687b1022fcdf583c0b595f7e42fc8b92901076546893036b91f9f763c96da492cc8830b1ec633fe72355e01b17587f7bc3c055417e82296fd342147b0950
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Filesize
7KB
MD567587e25a971a141628d7f07bd40ffa0
SHA176fcd014539a3bb247cc0b761225f68bd6055f6b
SHA256e6829866322d68d5c5b78e3d48dcec70a41cdc42c6f357a44fd329f74a8b4378
SHA5126e6de7aa02c48f8b96b06e5f1160fbc5c95312320636e138cc997ef3362a61bc50ec03db1f06292eb964cd71915ddb2ec2eb741432c7da44215a4acbb576a350