Analysis
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max time kernel
143s -
max time network
146s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
07/09/2024, 20:17
Behavioral task
behavioral1
Sample
d2c1a9e4bcb7f25337a5304eb4b69acf_JaffaCakes118.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
d2c1a9e4bcb7f25337a5304eb4b69acf_JaffaCakes118.exe
Resource
win10v2004-20240802-en
General
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Target
d2c1a9e4bcb7f25337a5304eb4b69acf_JaffaCakes118.exe
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Size
270KB
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MD5
d2c1a9e4bcb7f25337a5304eb4b69acf
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SHA1
9b58493b688de904291af7b1eef926ecf1bc1fbe
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SHA256
a790f5d550125418bfe4c41e37fda6005cd2e06dae84bbf951817f691f56c346
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SHA512
fa7dee91aad922b273d9cd98c3c473ab8f1bb658e15fccb212c6318691d0851bced94c7a9c45fcf000228654dc9ced93563d70bd369c6c7e15543da16928cdd7
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SSDEEP
6144:KG377xS2Vp2CeiorXhwTBOz53c2pcCJJvH:Zr7xS2Vp6FwTGbJJvH
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/memory/2148-8-0x0000000000400000-0x000000000044B000-memory.dmp modiloader_stage2 behavioral1/files/0x00060000000055d7-7.dat modiloader_stage2 behavioral1/memory/2656-18-0x0000000000400000-0x000000000044B000-memory.dmp modiloader_stage2 behavioral1/memory/2656-22-0x0000000000400000-0x000000000044B000-memory.dmp modiloader_stage2 behavioral1/memory/2656-25-0x0000000000400000-0x000000000044B000-memory.dmp modiloader_stage2 behavioral1/memory/2656-28-0x0000000000400000-0x000000000044B000-memory.dmp modiloader_stage2 behavioral1/memory/2656-31-0x0000000000400000-0x000000000044B000-memory.dmp modiloader_stage2 behavioral1/memory/2656-35-0x0000000000400000-0x000000000044B000-memory.dmp modiloader_stage2 behavioral1/memory/2656-38-0x0000000000400000-0x000000000044B000-memory.dmp modiloader_stage2 behavioral1/memory/2656-41-0x0000000000400000-0x000000000044B000-memory.dmp modiloader_stage2 behavioral1/memory/2656-44-0x0000000000400000-0x000000000044B000-memory.dmp modiloader_stage2 behavioral1/memory/2656-47-0x0000000000400000-0x000000000044B000-memory.dmp modiloader_stage2 behavioral1/memory/2656-50-0x0000000000400000-0x000000000044B000-memory.dmp modiloader_stage2 behavioral1/memory/2656-53-0x0000000000400000-0x000000000044B000-memory.dmp modiloader_stage2 behavioral1/memory/2656-56-0x0000000000400000-0x000000000044B000-memory.dmp modiloader_stage2 behavioral1/memory/2656-59-0x0000000000400000-0x000000000044B000-memory.dmp modiloader_stage2 -
Executes dropped EXE 1 IoCs
pid Process 2656 mstwain32.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\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 d2c1a9e4bcb7f25337a5304eb4b69acf_JaffaCakes118.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\mstwain32.exe d2c1a9e4bcb7f25337a5304eb4b69acf_JaffaCakes118.exe File created C:\Windows\ntdtcstp.dll mstwain32.exe File created C:\Windows\cmsetac.dll mstwain32.exe File created C:\Windows\mstwain32.exe d2c1a9e4bcb7f25337a5304eb4b69acf_JaffaCakes118.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 d2c1a9e4bcb7f25337a5304eb4b69acf_JaffaCakes118.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language mstwain32.exe -
Suspicious use of AdjustPrivilegeToken 6 IoCs
description pid Process Token: SeDebugPrivilege 2148 d2c1a9e4bcb7f25337a5304eb4b69acf_JaffaCakes118.exe Token: SeBackupPrivilege 2360 vssvc.exe Token: SeRestorePrivilege 2360 vssvc.exe Token: SeAuditPrivilege 2360 vssvc.exe Token: SeDebugPrivilege 2656 mstwain32.exe Token: SeDebugPrivilege 2656 mstwain32.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 2656 mstwain32.exe 2656 mstwain32.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2148 wrote to memory of 2656 2148 d2c1a9e4bcb7f25337a5304eb4b69acf_JaffaCakes118.exe 33 PID 2148 wrote to memory of 2656 2148 d2c1a9e4bcb7f25337a5304eb4b69acf_JaffaCakes118.exe 33 PID 2148 wrote to memory of 2656 2148 d2c1a9e4bcb7f25337a5304eb4b69acf_JaffaCakes118.exe 33 PID 2148 wrote to memory of 2656 2148 d2c1a9e4bcb7f25337a5304eb4b69acf_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\d2c1a9e4bcb7f25337a5304eb4b69acf_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\d2c1a9e4bcb7f25337a5304eb4b69acf_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 WriteProcessMemory
PID:2148 -
C:\Windows\mstwain32.exe"C:\Windows\mstwain32.exe"2⤵
- UAC bypass
- 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:2656
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2360
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
MD5d2c1a9e4bcb7f25337a5304eb4b69acf
SHA19b58493b688de904291af7b1eef926ecf1bc1fbe
SHA256a790f5d550125418bfe4c41e37fda6005cd2e06dae84bbf951817f691f56c346
SHA512fa7dee91aad922b273d9cd98c3c473ab8f1bb658e15fccb212c6318691d0851bced94c7a9c45fcf000228654dc9ced93563d70bd369c6c7e15543da16928cdd7