Analysis
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max time kernel
147s -
max time network
148s -
platform
windows7_x64 -
resource
win7-20240220-en -
resource tags
arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-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 behavioral1/memory/2072-11-0x0000000000400000-0x000000000044C000-memory.dmp modiloader_stage2 behavioral1/memory/1572-21-0x0000000000400000-0x000000000044C000-memory.dmp modiloader_stage2 behavioral1/memory/1572-24-0x0000000000400000-0x000000000044C000-memory.dmp modiloader_stage2 behavioral1/memory/1572-29-0x0000000000400000-0x000000000044C000-memory.dmp modiloader_stage2 behavioral1/memory/1572-32-0x0000000000400000-0x000000000044C000-memory.dmp modiloader_stage2 behavioral1/memory/1572-35-0x0000000000400000-0x000000000044C000-memory.dmp modiloader_stage2 behavioral1/memory/1572-39-0x0000000000400000-0x000000000044C000-memory.dmp modiloader_stage2 behavioral1/memory/1572-42-0x0000000000400000-0x000000000044C000-memory.dmp modiloader_stage2 behavioral1/memory/1572-45-0x0000000000400000-0x000000000044C000-memory.dmp modiloader_stage2 behavioral1/memory/1572-48-0x0000000000400000-0x000000000044C000-memory.dmp modiloader_stage2 behavioral1/memory/1572-51-0x0000000000400000-0x000000000044C000-memory.dmp modiloader_stage2 behavioral1/memory/1572-54-0x0000000000400000-0x000000000044C000-memory.dmp modiloader_stage2 behavioral1/memory/1572-57-0x0000000000400000-0x000000000044C000-memory.dmp modiloader_stage2 behavioral1/memory/1572-60-0x0000000000400000-0x000000000044C000-memory.dmp modiloader_stage2 behavioral1/memory/1572-63-0x0000000000400000-0x000000000044C000-memory.dmp modiloader_stage2 -
Deletes itself 1 IoCs
Processes:
mstwain32.exepid process 1572 mstwain32.exe -
Executes dropped EXE 1 IoCs
Processes:
mstwain32.exepid process 1572 mstwain32.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
mstwain32.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\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:
mstwain32.exe1cccfd3f39c93723923010dd9a9770ec_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 1cccfd3f39c93723923010dd9a9770ec_JaffaCakes118.exe File opened for modification C:\Windows\mstwain32.exe 1cccfd3f39c93723923010dd9a9770ec_JaffaCakes118.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 2072 1cccfd3f39c93723923010dd9a9770ec_JaffaCakes118.exe Token: SeBackupPrivilege 2880 vssvc.exe Token: SeRestorePrivilege 2880 vssvc.exe Token: SeAuditPrivilege 2880 vssvc.exe Token: SeDebugPrivilege 1572 mstwain32.exe Token: SeDebugPrivilege 1572 mstwain32.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
Processes:
1cccfd3f39c93723923010dd9a9770ec_JaffaCakes118.exepid process 2072 1cccfd3f39c93723923010dd9a9770ec_JaffaCakes118.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
Processes:
mstwain32.exepid process 1572 mstwain32.exe 1572 mstwain32.exe -
Suspicious use of WriteProcessMemory 4 IoCs
Processes:
1cccfd3f39c93723923010dd9a9770ec_JaffaCakes118.exedescription pid process target process PID 2072 wrote to memory of 1572 2072 1cccfd3f39c93723923010dd9a9770ec_JaffaCakes118.exe mstwain32.exe PID 2072 wrote to memory of 1572 2072 1cccfd3f39c93723923010dd9a9770ec_JaffaCakes118.exe mstwain32.exe PID 2072 wrote to memory of 1572 2072 1cccfd3f39c93723923010dd9a9770ec_JaffaCakes118.exe mstwain32.exe PID 2072 wrote to memory of 1572 2072 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 whether UAC is enabled
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:2072 -
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
- 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:1572
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2880
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
274KB
MD51cccfd3f39c93723923010dd9a9770ec
SHA16ee38483a40755644e151b77161ba5f25389d6de
SHA256263395ea613f77e2632304baacad0f464f47a38eb88f1c3884fab91f3ec9fa3c
SHA512a1bc687b1022fcdf583c0b595f7e42fc8b92901076546893036b91f9f763c96da492cc8830b1ec633fe72355e01b17587f7bc3c055417e82296fd342147b0950