Analysis
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max time kernel
147s -
max time network
120s -
platform
windows7_x64 -
resource
win7-20241023-en -
resource tags
arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system -
submitted
04-01-2025 13:49
Behavioral task
behavioral1
Sample
JaffaCakes118_7a06e68aa16d66781a82b120088acb62.exe
Resource
win7-20241023-en
Behavioral task
behavioral2
Sample
JaffaCakes118_7a06e68aa16d66781a82b120088acb62.exe
Resource
win10v2004-20241007-en
General
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Target
JaffaCakes118_7a06e68aa16d66781a82b120088acb62.exe
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Size
362KB
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MD5
7a06e68aa16d66781a82b120088acb62
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SHA1
40c4449759b9265eba52db951c9ff2dcc878c577
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SHA256
a8f675f327601b6ae02dbb0c2bc6e36f4fd231a0354eaad206012717a94269ef
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SHA512
af69c6b78342c2e96cb976d6e903d1b189f9319d4b98fc23db0d46709dfb81af47c991f94faebb2362d512296dcdffe80c0a6d0b57a63e0c5866457093c29008
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SSDEEP
6144:C8jZ7rvaU3+mWjoSb1LTilHtgoV3bZb76bTUe6MEFEWAv9uG:CeFzF+oSh+LgW3NbkUlM+p7G
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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Modiloader family
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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/memory/2396-10-0x0000000000400000-0x00000000004CD000-memory.dmp modiloader_stage2 behavioral1/memory/868-23-0x0000000000400000-0x00000000004CD000-memory.dmp modiloader_stage2 behavioral1/memory/868-25-0x0000000000400000-0x00000000004CD000-memory.dmp modiloader_stage2 behavioral1/memory/868-29-0x0000000000400000-0x00000000004CD000-memory.dmp modiloader_stage2 behavioral1/memory/868-32-0x0000000000400000-0x00000000004CD000-memory.dmp modiloader_stage2 behavioral1/memory/868-35-0x0000000000400000-0x00000000004CD000-memory.dmp modiloader_stage2 behavioral1/memory/868-38-0x0000000000400000-0x00000000004CD000-memory.dmp modiloader_stage2 behavioral1/memory/868-42-0x0000000000400000-0x00000000004CD000-memory.dmp modiloader_stage2 behavioral1/memory/868-45-0x0000000000400000-0x00000000004CD000-memory.dmp modiloader_stage2 behavioral1/memory/868-48-0x0000000000400000-0x00000000004CD000-memory.dmp modiloader_stage2 behavioral1/memory/868-51-0x0000000000400000-0x00000000004CD000-memory.dmp modiloader_stage2 behavioral1/memory/868-54-0x0000000000400000-0x00000000004CD000-memory.dmp modiloader_stage2 behavioral1/memory/868-57-0x0000000000400000-0x00000000004CD000-memory.dmp modiloader_stage2 behavioral1/memory/868-60-0x0000000000400000-0x00000000004CD000-memory.dmp modiloader_stage2 behavioral1/memory/868-63-0x0000000000400000-0x00000000004CD000-memory.dmp modiloader_stage2 behavioral1/memory/868-66-0x0000000000400000-0x00000000004CD000-memory.dmp modiloader_stage2 -
Deletes itself 1 IoCs
pid Process 868 mstwain32.exe -
Executes dropped EXE 1 IoCs
pid Process 868 mstwain32.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000\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 mstwain32.exe 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 JaffaCakes118_7a06e68aa16d66781a82b120088acb62.exe -
resource yara_rule behavioral1/memory/2396-0-0x0000000000400000-0x00000000004CD000-memory.dmp upx behavioral1/memory/2396-10-0x0000000000400000-0x00000000004CD000-memory.dmp upx behavioral1/memory/868-13-0x0000000000400000-0x00000000004CD000-memory.dmp upx behavioral1/files/0x000300000000565e-11.dat upx behavioral1/memory/868-23-0x0000000000400000-0x00000000004CD000-memory.dmp upx behavioral1/memory/868-24-0x0000000076D30000-0x0000000076E20000-memory.dmp upx behavioral1/memory/868-25-0x0000000000400000-0x00000000004CD000-memory.dmp upx behavioral1/memory/868-29-0x0000000000400000-0x00000000004CD000-memory.dmp upx behavioral1/memory/868-32-0x0000000000400000-0x00000000004CD000-memory.dmp upx behavioral1/memory/868-35-0x0000000000400000-0x00000000004CD000-memory.dmp upx behavioral1/memory/868-38-0x0000000000400000-0x00000000004CD000-memory.dmp upx behavioral1/memory/868-42-0x0000000000400000-0x00000000004CD000-memory.dmp upx behavioral1/memory/868-45-0x0000000000400000-0x00000000004CD000-memory.dmp upx behavioral1/memory/868-48-0x0000000000400000-0x00000000004CD000-memory.dmp upx behavioral1/memory/868-51-0x0000000000400000-0x00000000004CD000-memory.dmp upx behavioral1/memory/868-54-0x0000000000400000-0x00000000004CD000-memory.dmp upx behavioral1/memory/868-57-0x0000000000400000-0x00000000004CD000-memory.dmp upx behavioral1/memory/868-60-0x0000000000400000-0x00000000004CD000-memory.dmp upx behavioral1/memory/868-63-0x0000000000400000-0x00000000004CD000-memory.dmp upx behavioral1/memory/868-66-0x0000000000400000-0x00000000004CD000-memory.dmp upx -
Drops file in Windows directory 4 IoCs
description ioc Process File created C:\Windows\ntdtcstp.dll mstwain32.exe File created C:\Windows\cmsetac.dll mstwain32.exe File created C:\Windows\mstwain32.exe JaffaCakes118_7a06e68aa16d66781a82b120088acb62.exe File opened for modification C:\Windows\mstwain32.exe JaffaCakes118_7a06e68aa16d66781a82b120088acb62.exe -
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 JaffaCakes118_7a06e68aa16d66781a82b120088acb62.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language mstwain32.exe -
Suspicious use of AdjustPrivilegeToken 6 IoCs
description pid Process Token: SeDebugPrivilege 2396 JaffaCakes118_7a06e68aa16d66781a82b120088acb62.exe Token: SeBackupPrivilege 1936 vssvc.exe Token: SeRestorePrivilege 1936 vssvc.exe Token: SeAuditPrivilege 1936 vssvc.exe Token: SeDebugPrivilege 868 mstwain32.exe Token: SeDebugPrivilege 868 mstwain32.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 868 mstwain32.exe 868 mstwain32.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2396 wrote to memory of 868 2396 JaffaCakes118_7a06e68aa16d66781a82b120088acb62.exe 34 PID 2396 wrote to memory of 868 2396 JaffaCakes118_7a06e68aa16d66781a82b120088acb62.exe 34 PID 2396 wrote to memory of 868 2396 JaffaCakes118_7a06e68aa16d66781a82b120088acb62.exe 34 PID 2396 wrote to memory of 868 2396 JaffaCakes118_7a06e68aa16d66781a82b120088acb62.exe 34 -
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\JaffaCakes118_7a06e68aa16d66781a82b120088acb62.exe"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_7a06e68aa16d66781a82b120088acb62.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 WriteProcessMemory
PID:2396 -
C:\Windows\mstwain32.exe"C:\Windows\mstwain32.exe" \melt "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_7a06e68aa16d66781a82b120088acb62.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:868
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:1936
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
362KB
MD57a06e68aa16d66781a82b120088acb62
SHA140c4449759b9265eba52db951c9ff2dcc878c577
SHA256a8f675f327601b6ae02dbb0c2bc6e36f4fd231a0354eaad206012717a94269ef
SHA512af69c6b78342c2e96cb976d6e903d1b189f9319d4b98fc23db0d46709dfb81af47c991f94faebb2362d512296dcdffe80c0a6d0b57a63e0c5866457093c29008