Analysis
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max time kernel
140s -
max time network
126s -
platform
windows7_x64 -
resource
win7-20240708-en -
resource tags
arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system -
submitted
08-12-2024 15:52
Behavioral task
behavioral1
Sample
d7d8861d85d511805da394b0ab8a35b0_JaffaCakes118.exe
Resource
win7-20240708-en
General
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Target
d7d8861d85d511805da394b0ab8a35b0_JaffaCakes118.exe
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Size
1.4MB
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MD5
d7d8861d85d511805da394b0ab8a35b0
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SHA1
fbb42a3f2f4132ec239f4bbadddc5f178ed24391
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SHA256
b07a874234004167500fdcb2943469dc53f98ccaabe3ee323ad18e331a99ea73
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SHA512
c05bb16f237a5255cebe40b2eb38633d8adf09e92d1f8aa7f55a9c9e30d550edb90cf925ce9224bb8bec79ed23ae8d1cb6199c0f52cf023d239497ef235c499e
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SSDEEP
24576:JWjGw4fYEDmoDIYM4kTucANkhpr6wXUBUey8R8rJhVp82K+Wge9xCE+:JWjNOY94qUW9rJdWHge9U
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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ModiLoader Second Stage 4 IoCs
resource yara_rule behavioral1/memory/1700-1-0x0000000000401000-0x0000000000409000-memory.dmp modiloader_stage2 behavioral1/memory/1700-3-0x0000000000400000-0x0000000000615000-memory.dmp modiloader_stage2 behavioral1/memory/1700-21-0x0000000000401000-0x0000000000409000-memory.dmp modiloader_stage2 behavioral1/memory/1700-20-0x0000000000400000-0x0000000000615000-memory.dmp modiloader_stage2 -
Checks BIOS information in registry 2 TTPs 1 IoCs
BIOS information is often read in order to detect sandboxing environments.
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion d7d8861d85d511805da394b0ab8a35b0_JaffaCakes118.exe -
Executes dropped EXE 3 IoCs
pid Process 2124 mlek.exe 1844 Bifrost.exe 2748 mlek.exe -
Identifies Wine through registry keys 2 TTPs 1 IoCs
Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\Software\Wine d7d8861d85d511805da394b0ab8a35b0_JaffaCakes118.exe -
Loads dropped DLL 5 IoCs
pid Process 1700 d7d8861d85d511805da394b0ab8a35b0_JaffaCakes118.exe 1700 d7d8861d85d511805da394b0ab8a35b0_JaffaCakes118.exe 1700 d7d8861d85d511805da394b0ab8a35b0_JaffaCakes118.exe 1700 d7d8861d85d511805da394b0ab8a35b0_JaffaCakes118.exe 2124 mlek.exe -
resource yara_rule behavioral1/memory/1700-0-0x0000000000400000-0x0000000000615000-memory.dmp themida behavioral1/memory/1700-3-0x0000000000400000-0x0000000000615000-memory.dmp themida behavioral1/memory/1700-20-0x0000000000400000-0x0000000000615000-memory.dmp themida -
Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
pid Process 1700 d7d8861d85d511805da394b0ab8a35b0_JaffaCakes118.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2124 set thread context of 2748 2124 mlek.exe 32 -
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 3 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 d7d8861d85d511805da394b0ab8a35b0_JaffaCakes118.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language mlek.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language Bifrost.exe -
Suspicious behavior: EnumeratesProcesses 3 IoCs
pid Process 1700 d7d8861d85d511805da394b0ab8a35b0_JaffaCakes118.exe 2748 mlek.exe 2748 mlek.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 1844 Bifrost.exe -
Suspicious use of SetWindowsHookEx 4 IoCs
pid Process 1844 Bifrost.exe 1844 Bifrost.exe 1844 Bifrost.exe 1844 Bifrost.exe -
Suspicious use of WriteProcessMemory 18 IoCs
description pid Process procid_target PID 1700 wrote to memory of 1844 1700 d7d8861d85d511805da394b0ab8a35b0_JaffaCakes118.exe 30 PID 1700 wrote to memory of 1844 1700 d7d8861d85d511805da394b0ab8a35b0_JaffaCakes118.exe 30 PID 1700 wrote to memory of 1844 1700 d7d8861d85d511805da394b0ab8a35b0_JaffaCakes118.exe 30 PID 1700 wrote to memory of 1844 1700 d7d8861d85d511805da394b0ab8a35b0_JaffaCakes118.exe 30 PID 1700 wrote to memory of 2124 1700 d7d8861d85d511805da394b0ab8a35b0_JaffaCakes118.exe 31 PID 1700 wrote to memory of 2124 1700 d7d8861d85d511805da394b0ab8a35b0_JaffaCakes118.exe 31 PID 1700 wrote to memory of 2124 1700 d7d8861d85d511805da394b0ab8a35b0_JaffaCakes118.exe 31 PID 1700 wrote to memory of 2124 1700 d7d8861d85d511805da394b0ab8a35b0_JaffaCakes118.exe 31 PID 2124 wrote to memory of 2748 2124 mlek.exe 32 PID 2124 wrote to memory of 2748 2124 mlek.exe 32 PID 2124 wrote to memory of 2748 2124 mlek.exe 32 PID 2124 wrote to memory of 2748 2124 mlek.exe 32 PID 2124 wrote to memory of 2748 2124 mlek.exe 32 PID 2124 wrote to memory of 2748 2124 mlek.exe 32 PID 2748 wrote to memory of 1124 2748 mlek.exe 20 PID 2748 wrote to memory of 1124 2748 mlek.exe 20 PID 2748 wrote to memory of 1124 2748 mlek.exe 20 PID 2748 wrote to memory of 1124 2748 mlek.exe 20
Processes
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵PID:1124
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C:\Users\Admin\AppData\Local\Temp\d7d8861d85d511805da394b0ab8a35b0_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\d7d8861d85d511805da394b0ab8a35b0_JaffaCakes118.exe"2⤵
- Checks BIOS information in registry
- Identifies Wine through registry keys
- Loads dropped DLL
- Suspicious use of NtSetInformationThreadHideFromDebugger
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1700 -
C:\Users\Admin\AppData\Local\Temp\Bifrost.exe"C:\Users\Admin\AppData\Local\Temp\Bifrost.exe"3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
PID:1844
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C:\Users\Admin\AppData\Local\Temp\mlek.exe"C:\Users\Admin\AppData\Local\Temp\mlek.exe"3⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2124 -
C:\Users\Admin\AppData\Local\Temp\mlek.exeC:\Users\Admin\AppData\Local\Temp\mlek.exe4⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2748
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
64KB
MD5b91f459e16ebe71f0796867bcd815725
SHA1d344e4a6bdd848d5c151bce682a0e79e223efddc
SHA256f71ac7f55dcfb009f71cafc2e476c57ad9fc6ca40f1ef461b578bea5826ce2aa
SHA5126eb17a7d2072a4eb7aa01ab590c06642ddfef261b3e688a759ffc6ce1dedf4f5718646e9b0fccc7201576ec02bd10d3c52415b2b8453780fc5e446308f96e860
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Filesize
1.2MB
MD5e97d5e060420acd5008b56d0c375fefe
SHA17e63947053e60bdb88cc883eef7b818d0d50a67e
SHA256fa97790738772eec28f0e51446e26784c9776098549c6254f88c78b7ea13b45b
SHA51214b49d110948722522d1ab858d7488e49d3744f8a4872f6892037091dc687366ee2668aa53fdcd52568296ef1236c7d4cae3f2a5d2002a9e0deca88152c05007