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Analysis
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max time kernel
145s -
max time network
124s -
platform
windows7_x64 -
resource
win7-20240705-en -
resource tags
arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system -
submitted
10/07/2024, 06:21
Behavioral task
behavioral1
Sample
33a1817318ec0001b2d3a6cabfa0575c_JaffaCakes118.exe
Resource
win7-20240705-en
Behavioral task
behavioral2
Sample
33a1817318ec0001b2d3a6cabfa0575c_JaffaCakes118.exe
Resource
win10v2004-20240709-en
General
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Target
33a1817318ec0001b2d3a6cabfa0575c_JaffaCakes118.exe
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Size
414KB
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MD5
33a1817318ec0001b2d3a6cabfa0575c
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SHA1
a655e3840976bfff1d723875f427c02d90419c18
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SHA256
09afbed83b50524e5544ddd283f50e4e5c0dd3d85b427019c2d3d46914c32f3b
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SHA512
c4c1d0a89881f5013f970caa36e02887949bad8b2d06de5c8b3a6657502fa293a4277f33d22798f1e05f51f96ad9cf1902de62cfd099a86dbd769ce9d687dc13
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SSDEEP
6144:6G377xS2Vp2CeiorXhwTBx53ypcCJJvHv4RoSNZzRT+JLN666:pr7xS2Vp6FwTUbJJvHwRoSNVJ+FN666
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 8 IoCs
resource yara_rule behavioral1/memory/1996-0-0x0000000000400000-0x0000000000469000-memory.dmp modiloader_stage2 behavioral1/memory/1996-9-0x0000000003010000-0x0000000003079000-memory.dmp modiloader_stage2 behavioral1/files/0x00060000000055d7-6.dat modiloader_stage2 behavioral1/memory/2024-13-0x0000000000400000-0x0000000000469000-memory.dmp modiloader_stage2 behavioral1/memory/1996-12-0x0000000000400000-0x0000000000469000-memory.dmp modiloader_stage2 behavioral1/memory/2024-21-0x0000000075C10000-0x0000000075D00000-memory.dmp modiloader_stage2 behavioral1/memory/2024-24-0x0000000000400000-0x0000000000469000-memory.dmp modiloader_stage2 behavioral1/memory/2024-27-0x0000000075C10000-0x0000000075D00000-memory.dmp modiloader_stage2 -
Executes dropped EXE 1 IoCs
pid Process 2024 mstwain32.exe -
resource yara_rule behavioral1/memory/1996-0-0x0000000000400000-0x0000000000469000-memory.dmp upx behavioral1/memory/1996-9-0x0000000003010000-0x0000000003079000-memory.dmp upx behavioral1/files/0x00060000000055d7-6.dat upx behavioral1/memory/2024-13-0x0000000000400000-0x0000000000469000-memory.dmp upx behavioral1/memory/1996-12-0x0000000000400000-0x0000000000469000-memory.dmp upx behavioral1/memory/2024-21-0x0000000075C10000-0x0000000075D00000-memory.dmp upx behavioral1/memory/2024-24-0x0000000000400000-0x0000000000469000-memory.dmp upx -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3502430532-24693940-2469786940-1000\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 33a1817318ec0001b2d3a6cabfa0575c_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 -
Drops file in Windows directory 4 IoCs
description ioc Process File created C:\Windows\mstwain32.exe 33a1817318ec0001b2d3a6cabfa0575c_JaffaCakes118.exe File opened for modification C:\Windows\mstwain32.exe 33a1817318ec0001b2d3a6cabfa0575c_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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Suspicious use of AdjustPrivilegeToken 6 IoCs
description pid Process Token: SeDebugPrivilege 1996 33a1817318ec0001b2d3a6cabfa0575c_JaffaCakes118.exe Token: SeBackupPrivilege 2348 vssvc.exe Token: SeRestorePrivilege 2348 vssvc.exe Token: SeAuditPrivilege 2348 vssvc.exe Token: SeDebugPrivilege 2024 mstwain32.exe Token: SeDebugPrivilege 2024 mstwain32.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 2024 mstwain32.exe 2024 mstwain32.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 1996 wrote to memory of 2024 1996 33a1817318ec0001b2d3a6cabfa0575c_JaffaCakes118.exe 34 PID 1996 wrote to memory of 2024 1996 33a1817318ec0001b2d3a6cabfa0575c_JaffaCakes118.exe 34 PID 1996 wrote to memory of 2024 1996 33a1817318ec0001b2d3a6cabfa0575c_JaffaCakes118.exe 34 PID 1996 wrote to memory of 2024 1996 33a1817318ec0001b2d3a6cabfa0575c_JaffaCakes118.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\33a1817318ec0001b2d3a6cabfa0575c_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\33a1817318ec0001b2d3a6cabfa0575c_JaffaCakes118.exe"1⤵
- Checks whether UAC is enabled
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1996 -
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
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- System policy modification
PID:2024
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2348
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
1Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
414KB
MD533a1817318ec0001b2d3a6cabfa0575c
SHA1a655e3840976bfff1d723875f427c02d90419c18
SHA25609afbed83b50524e5544ddd283f50e4e5c0dd3d85b427019c2d3d46914c32f3b
SHA512c4c1d0a89881f5013f970caa36e02887949bad8b2d06de5c8b3a6657502fa293a4277f33d22798f1e05f51f96ad9cf1902de62cfd099a86dbd769ce9d687dc13