Analysis
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max time kernel
149s -
max time network
121s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
16/06/2024, 06:00
Behavioral task
behavioral1
Sample
b2074e99f2099166f5487f3b0d2413d6_JaffaCakes118.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
b2074e99f2099166f5487f3b0d2413d6_JaffaCakes118.exe
Resource
win10v2004-20240508-en
General
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Target
b2074e99f2099166f5487f3b0d2413d6_JaffaCakes118.exe
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Size
270KB
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MD5
b2074e99f2099166f5487f3b0d2413d6
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SHA1
27ba18d3321dd43b2fd972d0527b89e2f3e28ea6
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SHA256
5940a848145f1201b5a8247158ea561f61dbfca205f6b26a0479b0e24146291d
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SHA512
9144a1e18ab0be6f581be776e155830f0fff9d8802cccd56593813e11a393e47533b007b533d8011add377211e5facee5bad03e8004f9c9aad51d8682ba097cf
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SSDEEP
6144:qGyjnBSkuV1d4eZd88ORJIf/wTB4R53cpc:5YnBSkuVUeZdYqwTz
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/files/0x00080000000122cd-5.dat modiloader_stage2 behavioral1/memory/2840-9-0x0000000000400000-0x000000000044B000-memory.dmp modiloader_stage2 behavioral1/memory/3052-19-0x0000000000400000-0x000000000044B000-memory.dmp modiloader_stage2 behavioral1/memory/3052-22-0x0000000000400000-0x000000000044B000-memory.dmp modiloader_stage2 behavioral1/memory/3052-25-0x0000000000400000-0x000000000044B000-memory.dmp modiloader_stage2 behavioral1/memory/3052-28-0x0000000000400000-0x000000000044B000-memory.dmp modiloader_stage2 behavioral1/memory/3052-31-0x0000000000400000-0x000000000044B000-memory.dmp modiloader_stage2 behavioral1/memory/3052-34-0x0000000000400000-0x000000000044B000-memory.dmp modiloader_stage2 behavioral1/memory/3052-37-0x0000000000400000-0x000000000044B000-memory.dmp modiloader_stage2 behavioral1/memory/3052-40-0x0000000000400000-0x000000000044B000-memory.dmp modiloader_stage2 behavioral1/memory/3052-43-0x0000000000400000-0x000000000044B000-memory.dmp modiloader_stage2 behavioral1/memory/3052-46-0x0000000000400000-0x000000000044B000-memory.dmp modiloader_stage2 behavioral1/memory/3052-49-0x0000000000400000-0x000000000044B000-memory.dmp modiloader_stage2 behavioral1/memory/3052-52-0x0000000000400000-0x000000000044B000-memory.dmp modiloader_stage2 behavioral1/memory/3052-55-0x0000000000400000-0x000000000044B000-memory.dmp modiloader_stage2 behavioral1/memory/3052-58-0x0000000000400000-0x000000000044B000-memory.dmp modiloader_stage2 -
Executes dropped EXE 1 IoCs
pid Process 3052 mstwain32.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000\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 b2074e99f2099166f5487f3b0d2413d6_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 b2074e99f2099166f5487f3b0d2413d6_JaffaCakes118.exe File opened for modification C:\Windows\mstwain32.exe b2074e99f2099166f5487f3b0d2413d6_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 3 IoCs
description pid Process Token: SeDebugPrivilege 2840 b2074e99f2099166f5487f3b0d2413d6_JaffaCakes118.exe Token: SeDebugPrivilege 3052 mstwain32.exe Token: SeDebugPrivilege 3052 mstwain32.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 2840 b2074e99f2099166f5487f3b0d2413d6_JaffaCakes118.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 3052 mstwain32.exe 3052 mstwain32.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2840 wrote to memory of 3052 2840 b2074e99f2099166f5487f3b0d2413d6_JaffaCakes118.exe 28 PID 2840 wrote to memory of 3052 2840 b2074e99f2099166f5487f3b0d2413d6_JaffaCakes118.exe 28 PID 2840 wrote to memory of 3052 2840 b2074e99f2099166f5487f3b0d2413d6_JaffaCakes118.exe 28 PID 2840 wrote to memory of 3052 2840 b2074e99f2099166f5487f3b0d2413d6_JaffaCakes118.exe 28 -
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
Processes
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C:\Users\Admin\AppData\Local\Temp\b2074e99f2099166f5487f3b0d2413d6_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\b2074e99f2099166f5487f3b0d2413d6_JaffaCakes118.exe"1⤵
- Checks whether UAC is enabled
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:2840 -
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:3052
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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
270KB
MD5b2074e99f2099166f5487f3b0d2413d6
SHA127ba18d3321dd43b2fd972d0527b89e2f3e28ea6
SHA2565940a848145f1201b5a8247158ea561f61dbfca205f6b26a0479b0e24146291d
SHA5129144a1e18ab0be6f581be776e155830f0fff9d8802cccd56593813e11a393e47533b007b533d8011add377211e5facee5bad03e8004f9c9aad51d8682ba097cf