Analysis
- max time kernel
150s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20240730-en - resource tags
- submitted
01/08/2024, 21:34
General
- Target 81ce35652b20a42793957871754de915_JaffaCakes118.exe
- Size 2.4MB
- Sample240801-1e7pfsxarm
- SHA256 7006bd37fe79f2acd4b127506a2787486d5eb2194ae7afeda5f0748937ed2489
Malware Config
Signatures
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- Executes dropped EXE 2 IoCs
- Enumerates connected drives 3 TTPs 23 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Program crash 1 IoCs
- System Location Discovery: System Language Discovery 1 TTPs 4 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
- Modifies Internet Explorer settings 1 TTPs 4 IoCs
- Modifies registry class 10 IoCs
- Suspicious behavior: EnumeratesProcesses 4 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of SetWindowsHookEx 2 IoCs
- Suspicious use of WriteProcessMemory 9 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\81ce35652b20a42793957871754de915_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\81ce35652b20a42793957871754de915_JaffaCakes118.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\81ce35652b20a42793957871754de915_JaffaCakes118.exeC:\Users\Admin\AppData\Local\Temp\81ce35652b20a42793957871754de915_JaffaCakes118.exe2⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
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C:\Windows\Temp\¡¶½ðƿ÷¡·£¨³çìõÔ°æ×ã±¾´ø²åͼ£©.exe"C:\Windows\Temp\¡¶½ðƿ÷¡·£¨³çìõÔ°æ×ã±¾´ø²åͼ£©.exe"3⤵
- Executes dropped EXE
- Enumerates connected drives
- System Location Discovery: System Language Discovery
- Modifies Internet Explorer settings
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
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C:\Users\Admin\AppData\Local\Temp\AdobeSFX.logC:\Users\Admin\AppData\Local\Temp\\AdobeSFX.log3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1992 -s 5204⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 1992 -ip 19921⤵
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
WMSDKNS.XML.bak
AdobeSFX.log
¡¶½ðƿ÷¡·£¨³çìõÔ°æ×ã±¾´ø²åͼ£©.exe
memory/1992-15-0x0000000000400000-0x0000000001968000-memory.dmp
memory/1992-16-0x0000000000400000-0x0000000001968000-memory.dmp
memory/4212-31-0x0000000009310000-0x0000000009320000-memory.dmp
memory/4212-27-0x0000000009310000-0x0000000009320000-memory.dmp
memory/4212-32-0x0000000009310000-0x0000000009320000-memory.dmp
memory/4212-30-0x0000000009310000-0x0000000009320000-memory.dmp
memory/4212-29-0x0000000009310000-0x0000000009320000-memory.dmp
memory/4212-28-0x0000000009310000-0x0000000009320000-memory.dmp
memory/4212-33-0x0000000009310000-0x0000000009320000-memory.dmp
memory/4212-34-0x0000000009310000-0x0000000009320000-memory.dmp
memory/4212-35-0x0000000000400000-0x00000000004AC000-memory.dmp