Analysis
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max time kernel
143s -
max time network
122s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
21-09-2024 22:05
Behavioral task
behavioral1
Sample
f0b39233b4eb56e39cc14b2f2261ec4a_JaffaCakes118.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
f0b39233b4eb56e39cc14b2f2261ec4a_JaffaCakes118.exe
Resource
win10v2004-20240802-en
General
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Target
f0b39233b4eb56e39cc14b2f2261ec4a_JaffaCakes118.exe
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Size
270KB
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MD5
f0b39233b4eb56e39cc14b2f2261ec4a
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SHA1
b95224172693c91eb60518c14f15f169cf3fb245
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SHA256
fbb9cc9e48f537962d3b804efcae3efc1c0d4b1a24692ba095f2453c841d3a94
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SHA512
8403a8c67ed1a84089e6f790c3c548ff595f138a83ab64fc2861be33a2992c74b7fb3bb1b7079c90712cbb266a8b929de1cb49b539b2d556ade4b1469ccc5a26
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SSDEEP
6144:KG377xS2Vp2CeiorXhwTBOz53fpcCJJvH:Zr7xS2Vp6FwTYbJJvH
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/3068-8-0x0000000000400000-0x000000000044B000-memory.dmp modiloader_stage2 behavioral1/files/0x00060000000055d7-7.dat modiloader_stage2 behavioral1/memory/2152-18-0x0000000000400000-0x000000000044B000-memory.dmp modiloader_stage2 behavioral1/memory/2152-22-0x0000000000400000-0x000000000044B000-memory.dmp modiloader_stage2 behavioral1/memory/2152-25-0x0000000000400000-0x000000000044B000-memory.dmp modiloader_stage2 behavioral1/memory/2152-28-0x0000000000400000-0x000000000044B000-memory.dmp modiloader_stage2 behavioral1/memory/2152-31-0x0000000000400000-0x000000000044B000-memory.dmp modiloader_stage2 behavioral1/memory/2152-35-0x0000000000400000-0x000000000044B000-memory.dmp modiloader_stage2 behavioral1/memory/2152-38-0x0000000000400000-0x000000000044B000-memory.dmp modiloader_stage2 behavioral1/memory/2152-41-0x0000000000400000-0x000000000044B000-memory.dmp modiloader_stage2 behavioral1/memory/2152-44-0x0000000000400000-0x000000000044B000-memory.dmp modiloader_stage2 behavioral1/memory/2152-47-0x0000000000400000-0x000000000044B000-memory.dmp modiloader_stage2 behavioral1/memory/2152-50-0x0000000000400000-0x000000000044B000-memory.dmp modiloader_stage2 behavioral1/memory/2152-53-0x0000000000400000-0x000000000044B000-memory.dmp modiloader_stage2 behavioral1/memory/2152-56-0x0000000000400000-0x000000000044B000-memory.dmp modiloader_stage2 behavioral1/memory/2152-59-0x0000000000400000-0x000000000044B000-memory.dmp modiloader_stage2 -
Deletes itself 1 IoCs
pid Process 2152 mstwain32.exe -
Executes dropped EXE 1 IoCs
pid Process 2152 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 f0b39233b4eb56e39cc14b2f2261ec4a_JaffaCakes118.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File created C:\Windows\mstwain32.exe f0b39233b4eb56e39cc14b2f2261ec4a_JaffaCakes118.exe File opened for modification C:\Windows\mstwain32.exe f0b39233b4eb56e39cc14b2f2261ec4a_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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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 f0b39233b4eb56e39cc14b2f2261ec4a_JaffaCakes118.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language mstwain32.exe -
Suspicious use of AdjustPrivilegeToken 6 IoCs
description pid Process Token: SeDebugPrivilege 3068 f0b39233b4eb56e39cc14b2f2261ec4a_JaffaCakes118.exe Token: SeBackupPrivilege 2328 vssvc.exe Token: SeRestorePrivilege 2328 vssvc.exe Token: SeAuditPrivilege 2328 vssvc.exe Token: SeDebugPrivilege 2152 mstwain32.exe Token: SeDebugPrivilege 2152 mstwain32.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 2152 mstwain32.exe 2152 mstwain32.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 3068 wrote to memory of 2152 3068 f0b39233b4eb56e39cc14b2f2261ec4a_JaffaCakes118.exe 33 PID 3068 wrote to memory of 2152 3068 f0b39233b4eb56e39cc14b2f2261ec4a_JaffaCakes118.exe 33 PID 3068 wrote to memory of 2152 3068 f0b39233b4eb56e39cc14b2f2261ec4a_JaffaCakes118.exe 33 PID 3068 wrote to memory of 2152 3068 f0b39233b4eb56e39cc14b2f2261ec4a_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\f0b39233b4eb56e39cc14b2f2261ec4a_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\f0b39233b4eb56e39cc14b2f2261ec4a_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:3068 -
C:\Windows\mstwain32.exe"C:\Windows\mstwain32.exe" \melt "C:\Users\Admin\AppData\Local\Temp\f0b39233b4eb56e39cc14b2f2261ec4a_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:2152
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2328
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
MD5f0b39233b4eb56e39cc14b2f2261ec4a
SHA1b95224172693c91eb60518c14f15f169cf3fb245
SHA256fbb9cc9e48f537962d3b804efcae3efc1c0d4b1a24692ba095f2453c841d3a94
SHA5128403a8c67ed1a84089e6f790c3c548ff595f138a83ab64fc2861be33a2992c74b7fb3bb1b7079c90712cbb266a8b929de1cb49b539b2d556ade4b1469ccc5a26