Analysis
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max time kernel
150s -
max time network
121s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
15-09-2024 17:17
Behavioral task
behavioral1
Sample
e2fee652ec0fc9a65d9167ea33643c3c_JaffaCakes118.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
e2fee652ec0fc9a65d9167ea33643c3c_JaffaCakes118.exe
Resource
win10v2004-20240910-en
General
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Target
e2fee652ec0fc9a65d9167ea33643c3c_JaffaCakes118.exe
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Size
270KB
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MD5
e2fee652ec0fc9a65d9167ea33643c3c
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SHA1
195755bab771d2c55c5858eccb82629aae475659
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SHA256
88a2083415119276842ec6c24185f900e6b4d08768e2b34d234595ea3e887b18
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SHA512
8170544c1d886be7812c6f8d2a57883408c099136de4fd4192604d4efd53c0485e736ad975aceeea5116355d8667dd1823734558059de774db699b074fb4f583
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SSDEEP
6144:qGyjnBSkuV1d4eZd88ORJIf/wTB4R53Vpc:5YnBSkuVUeZdYqwTi
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 16 IoCs
resource yara_rule behavioral1/files/0x00100000000055b0-6.dat modiloader_stage2 behavioral1/memory/1984-11-0x0000000000400000-0x000000000044B000-memory.dmp modiloader_stage2 behavioral1/memory/768-21-0x0000000000400000-0x000000000044B000-memory.dmp modiloader_stage2 behavioral1/memory/768-25-0x0000000000400000-0x000000000044B000-memory.dmp modiloader_stage2 behavioral1/memory/768-28-0x0000000000400000-0x000000000044B000-memory.dmp modiloader_stage2 behavioral1/memory/768-31-0x0000000000400000-0x000000000044B000-memory.dmp modiloader_stage2 behavioral1/memory/768-34-0x0000000000400000-0x000000000044B000-memory.dmp modiloader_stage2 behavioral1/memory/768-38-0x0000000000400000-0x000000000044B000-memory.dmp modiloader_stage2 behavioral1/memory/768-41-0x0000000000400000-0x000000000044B000-memory.dmp modiloader_stage2 behavioral1/memory/768-44-0x0000000000400000-0x000000000044B000-memory.dmp modiloader_stage2 behavioral1/memory/768-47-0x0000000000400000-0x000000000044B000-memory.dmp modiloader_stage2 behavioral1/memory/768-50-0x0000000000400000-0x000000000044B000-memory.dmp modiloader_stage2 behavioral1/memory/768-53-0x0000000000400000-0x000000000044B000-memory.dmp modiloader_stage2 behavioral1/memory/768-56-0x0000000000400000-0x000000000044B000-memory.dmp modiloader_stage2 behavioral1/memory/768-59-0x0000000000400000-0x000000000044B000-memory.dmp modiloader_stage2 behavioral1/memory/768-62-0x0000000000400000-0x000000000044B000-memory.dmp modiloader_stage2 -
Deletes itself 1 IoCs
pid Process 768 mstwain32.exe -
Executes dropped EXE 1 IoCs
pid Process 768 mstwain32.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Windows\CurrentVersion\Run\mstwain32 = "C:\\Windows\\mstwain32.exe" mstwain32.exe -
description 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 e2fee652ec0fc9a65d9167ea33643c3c_JaffaCakes118.exe Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA mstwain32.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File created C:\Windows\cmsetac.dll mstwain32.exe File created C:\Windows\mstwain32.exe e2fee652ec0fc9a65d9167ea33643c3c_JaffaCakes118.exe File opened for modification C:\Windows\mstwain32.exe e2fee652ec0fc9a65d9167ea33643c3c_JaffaCakes118.exe File created C:\Windows\ntdtcstp.dll mstwain32.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 e2fee652ec0fc9a65d9167ea33643c3c_JaffaCakes118.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language mstwain32.exe -
Suspicious use of AdjustPrivilegeToken 6 IoCs
description pid Process Token: SeDebugPrivilege 1984 e2fee652ec0fc9a65d9167ea33643c3c_JaffaCakes118.exe Token: SeBackupPrivilege 2480 vssvc.exe Token: SeRestorePrivilege 2480 vssvc.exe Token: SeAuditPrivilege 2480 vssvc.exe Token: SeDebugPrivilege 768 mstwain32.exe Token: SeDebugPrivilege 768 mstwain32.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 1984 e2fee652ec0fc9a65d9167ea33643c3c_JaffaCakes118.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 768 mstwain32.exe 768 mstwain32.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 1984 wrote to memory of 768 1984 e2fee652ec0fc9a65d9167ea33643c3c_JaffaCakes118.exe 33 PID 1984 wrote to memory of 768 1984 e2fee652ec0fc9a65d9167ea33643c3c_JaffaCakes118.exe 33 PID 1984 wrote to memory of 768 1984 e2fee652ec0fc9a65d9167ea33643c3c_JaffaCakes118.exe 33 PID 1984 wrote to memory of 768 1984 e2fee652ec0fc9a65d9167ea33643c3c_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\e2fee652ec0fc9a65d9167ea33643c3c_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\e2fee652ec0fc9a65d9167ea33643c3c_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:1984 -
C:\Windows\mstwain32.exe"C:\Windows\mstwain32.exe" \melt "C:\Users\Admin\AppData\Local\Temp\e2fee652ec0fc9a65d9167ea33643c3c_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:768
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2480
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
270KB
MD5e2fee652ec0fc9a65d9167ea33643c3c
SHA1195755bab771d2c55c5858eccb82629aae475659
SHA25688a2083415119276842ec6c24185f900e6b4d08768e2b34d234595ea3e887b18
SHA5128170544c1d886be7812c6f8d2a57883408c099136de4fd4192604d4efd53c0485e736ad975aceeea5116355d8667dd1823734558059de774db699b074fb4f583