Analysis
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max time kernel
147s -
max time network
150s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
03-11-2024 02:59
Behavioral task
behavioral1
Sample
894f6a4e9e3a711d47b990134cca3821_JaffaCakes118.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
894f6a4e9e3a711d47b990134cca3821_JaffaCakes118.exe
Resource
win10v2004-20241007-en
General
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Target
894f6a4e9e3a711d47b990134cca3821_JaffaCakes118.exe
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Size
111KB
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MD5
894f6a4e9e3a711d47b990134cca3821
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SHA1
42851767fa73772428a3940b1a82e167c74c59e9
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SHA256
5347d70db01f8679173a8da33d92f2ef99a1101cb73bf44cfa74a97ce53f54a3
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SHA512
6a55f588f9d2a8e3d162c48fb4afc3eb59452b7453dcbf0e5438a456880214520f0fc1ee3c24a72f145265e679f749c2ad7ae4aef6864d5b4f09d74de84a65be
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SSDEEP
1536:gVuNAXTj4Fj/91/NnLZqeWEPVpa8DzePjkgcwYS7S5+Vfk09dQQngVzA0nouy8ZU:Ooy8j7VnNdrPHaSekwi+mWdQBRoutZU
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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Processes:
mstwain32.exedescription ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" mstwain32.exe -
ModiLoader Second Stage 19 IoCs
Processes:
resource yara_rule behavioral1/memory/2584-14-0x0000000000400000-0x0000000000451000-memory.dmp modiloader_stage2 behavioral1/memory/816-15-0x0000000000400000-0x0000000000451000-memory.dmp modiloader_stage2 behavioral1/memory/2584-12-0x0000000000400000-0x0000000000451000-memory.dmp modiloader_stage2 behavioral1/memory/816-23-0x0000000076870000-0x0000000076960000-memory.dmp modiloader_stage2 behavioral1/memory/816-24-0x0000000000400000-0x0000000000451000-memory.dmp modiloader_stage2 behavioral1/memory/816-26-0x0000000000400000-0x0000000000451000-memory.dmp modiloader_stage2 behavioral1/memory/816-30-0x0000000000400000-0x0000000000451000-memory.dmp modiloader_stage2 behavioral1/memory/816-33-0x0000000000400000-0x0000000000451000-memory.dmp modiloader_stage2 behavioral1/memory/816-36-0x0000000000400000-0x0000000000451000-memory.dmp modiloader_stage2 behavioral1/memory/816-39-0x0000000000400000-0x0000000000451000-memory.dmp modiloader_stage2 behavioral1/memory/816-43-0x0000000000400000-0x0000000000451000-memory.dmp modiloader_stage2 behavioral1/memory/816-46-0x0000000000400000-0x0000000000451000-memory.dmp modiloader_stage2 behavioral1/memory/816-49-0x0000000000400000-0x0000000000451000-memory.dmp modiloader_stage2 behavioral1/memory/816-52-0x0000000000400000-0x0000000000451000-memory.dmp modiloader_stage2 behavioral1/memory/816-55-0x0000000000400000-0x0000000000451000-memory.dmp modiloader_stage2 behavioral1/memory/816-58-0x0000000000400000-0x0000000000451000-memory.dmp modiloader_stage2 behavioral1/memory/816-61-0x0000000000400000-0x0000000000451000-memory.dmp modiloader_stage2 behavioral1/memory/816-64-0x0000000000400000-0x0000000000451000-memory.dmp modiloader_stage2 behavioral1/memory/816-67-0x0000000000400000-0x0000000000451000-memory.dmp modiloader_stage2 -
Deletes itself 1 IoCs
Processes:
mstwain32.exepid Process 816 mstwain32.exe -
Executes dropped EXE 1 IoCs
Processes:
mstwain32.exepid Process 816 mstwain32.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
mstwain32.exedescription ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000\Software\Microsoft\Windows\CurrentVersion\Run\mstwain32 = "C:\\Windows\\mstwain32.exe" mstwain32.exe -
Processes:
894f6a4e9e3a711d47b990134cca3821_JaffaCakes118.exemstwain32.exedescription ioc Process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA 894f6a4e9e3a711d47b990134cca3821_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 -
Processes:
resource yara_rule behavioral1/memory/2584-0-0x0000000000400000-0x0000000000451000-memory.dmp upx behavioral1/files/0x00060000000055d8-7.dat upx behavioral1/memory/2584-14-0x0000000000400000-0x0000000000451000-memory.dmp upx behavioral1/memory/816-15-0x0000000000400000-0x0000000000451000-memory.dmp upx behavioral1/memory/2584-12-0x0000000000400000-0x0000000000451000-memory.dmp upx behavioral1/memory/816-24-0x0000000000400000-0x0000000000451000-memory.dmp upx behavioral1/memory/816-26-0x0000000000400000-0x0000000000451000-memory.dmp upx behavioral1/memory/816-30-0x0000000000400000-0x0000000000451000-memory.dmp upx behavioral1/memory/816-33-0x0000000000400000-0x0000000000451000-memory.dmp upx behavioral1/memory/816-36-0x0000000000400000-0x0000000000451000-memory.dmp upx behavioral1/memory/816-39-0x0000000000400000-0x0000000000451000-memory.dmp upx behavioral1/memory/816-43-0x0000000000400000-0x0000000000451000-memory.dmp upx behavioral1/memory/816-46-0x0000000000400000-0x0000000000451000-memory.dmp upx behavioral1/memory/816-49-0x0000000000400000-0x0000000000451000-memory.dmp upx behavioral1/memory/816-52-0x0000000000400000-0x0000000000451000-memory.dmp upx behavioral1/memory/816-55-0x0000000000400000-0x0000000000451000-memory.dmp upx behavioral1/memory/816-58-0x0000000000400000-0x0000000000451000-memory.dmp upx behavioral1/memory/816-61-0x0000000000400000-0x0000000000451000-memory.dmp upx behavioral1/memory/816-64-0x0000000000400000-0x0000000000451000-memory.dmp upx behavioral1/memory/816-67-0x0000000000400000-0x0000000000451000-memory.dmp upx -
Drops file in Windows directory 4 IoCs
Processes:
894f6a4e9e3a711d47b990134cca3821_JaffaCakes118.exemstwain32.exedescription ioc Process File created C:\Windows\mstwain32.exe 894f6a4e9e3a711d47b990134cca3821_JaffaCakes118.exe File opened for modification C:\Windows\mstwain32.exe 894f6a4e9e3a711d47b990134cca3821_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.
Processes:
894f6a4e9e3a711d47b990134cca3821_JaffaCakes118.exemstwain32.exedescription ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 894f6a4e9e3a711d47b990134cca3821_JaffaCakes118.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language mstwain32.exe -
Suspicious use of AdjustPrivilegeToken 6 IoCs
Processes:
894f6a4e9e3a711d47b990134cca3821_JaffaCakes118.exevssvc.exemstwain32.exedescription pid Process Token: SeDebugPrivilege 2584 894f6a4e9e3a711d47b990134cca3821_JaffaCakes118.exe Token: SeBackupPrivilege 2084 vssvc.exe Token: SeRestorePrivilege 2084 vssvc.exe Token: SeAuditPrivilege 2084 vssvc.exe Token: SeDebugPrivilege 816 mstwain32.exe Token: SeDebugPrivilege 816 mstwain32.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
Processes:
mstwain32.exepid Process 816 mstwain32.exe 816 mstwain32.exe -
Suspicious use of WriteProcessMemory 4 IoCs
Processes:
894f6a4e9e3a711d47b990134cca3821_JaffaCakes118.exedescription pid Process procid_target PID 2584 wrote to memory of 816 2584 894f6a4e9e3a711d47b990134cca3821_JaffaCakes118.exe 34 PID 2584 wrote to memory of 816 2584 894f6a4e9e3a711d47b990134cca3821_JaffaCakes118.exe 34 PID 2584 wrote to memory of 816 2584 894f6a4e9e3a711d47b990134cca3821_JaffaCakes118.exe 34 PID 2584 wrote to memory of 816 2584 894f6a4e9e3a711d47b990134cca3821_JaffaCakes118.exe 34 -
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\894f6a4e9e3a711d47b990134cca3821_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\894f6a4e9e3a711d47b990134cca3821_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:2584 -
C:\Windows\mstwain32.exe"C:\Windows\mstwain32.exe" \melt "C:\Users\Admin\AppData\Local\Temp\894f6a4e9e3a711d47b990134cca3821_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:816
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2084
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
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Downloads
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Filesize
111KB
MD5894f6a4e9e3a711d47b990134cca3821
SHA142851767fa73772428a3940b1a82e167c74c59e9
SHA2565347d70db01f8679173a8da33d92f2ef99a1101cb73bf44cfa74a97ce53f54a3
SHA5126a55f588f9d2a8e3d162c48fb4afc3eb59452b7453dcbf0e5438a456880214520f0fc1ee3c24a72f145265e679f749c2ad7ae4aef6864d5b4f09d74de84a65be