Analysis
- max time kernel
150s - max time network
149s - platform
windows10-2004_x64 - resource
win10v2004-20231215-en - resource tags
- submitted
07/04/2024, 12:47
General
- Target e4f5862b9302452fe28dbb3a0085786b_JaffaCakes118.xls
- Size 35KB
- Sample240407-p1dgysch8t
- SHA256 56aaf912b64f9e2625ab092fbd38e3407199c0471b982fad197f1a5e466c5bb0
Malware Config
Signatures
- Process spawned unexpected child process 1 IoCs
This typically indicates the parent process was compromised via an exploit or macro.
- Checks processor information in registry 2 TTPs 3 IoCs
Processor information is often read in order to detect sandboxing environments.
- Enumerates system info in registry 2 TTPs 3 IoCs
- Modifies registry class 1 IoCs
- Suspicious behavior: AddClipboardFormatListener 1 IoCs
- Suspicious use of FindShellTrayWindow 1 IoCs
- Suspicious use of SetWindowsHookEx 6 IoCs
- Suspicious use of WriteProcessMemory 4 IoCs
Processes
-
C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\e4f5862b9302452fe28dbb3a0085786b_JaffaCakes118.xls"1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
-
C:\Windows\explorer.exeexplorer.exe C:\Users\Public\Documents\nCyK.vbs2⤵
- Process spawned unexpected child process
-
-
C:\Windows\explorer.exeC:\Windows\explorer.exe /factory,{75dff2b7-6936-4c06-a8bb-676a7b00b24b} -Embedding1⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
-
C:\Windows\System32\WScript.exe"C:\Windows\System32\WScript.exe" "C:\Users\Public\Documents\nCyK.vbs"2⤵
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
nCyK.vbs
memory/4492-12-0x00007FFB4D290000-0x00007FFB4D485000-memory.dmp
memory/4492-7-0x00007FFB0D310000-0x00007FFB0D320000-memory.dmp
memory/4492-3-0x00007FFB4D290000-0x00007FFB4D485000-memory.dmp
memory/4492-5-0x00007FFB4D290000-0x00007FFB4D485000-memory.dmp
memory/4492-4-0x00007FFB0D310000-0x00007FFB0D320000-memory.dmp
memory/4492-6-0x00007FFB0D310000-0x00007FFB0D320000-memory.dmp
memory/4492-1-0x00007FFB4D290000-0x00007FFB4D485000-memory.dmp
memory/4492-9-0x00007FFB4D290000-0x00007FFB4D485000-memory.dmp
memory/4492-8-0x00007FFB4D290000-0x00007FFB4D485000-memory.dmp
memory/4492-10-0x00007FFB4D290000-0x00007FFB4D485000-memory.dmp
memory/4492-2-0x00007FFB0D310000-0x00007FFB0D320000-memory.dmp
memory/4492-11-0x00007FFB0B2B0000-0x00007FFB0B2C0000-memory.dmp
memory/4492-18-0x00007FFB4D290000-0x00007FFB4D485000-memory.dmp
memory/4492-14-0x00007FFB4D290000-0x00007FFB4D485000-memory.dmp
memory/4492-15-0x00007FFB4D290000-0x00007FFB4D485000-memory.dmp
memory/4492-17-0x00007FFB0B2B0000-0x00007FFB0B2C0000-memory.dmp
memory/4492-13-0x00007FFB4D290000-0x00007FFB4D485000-memory.dmp
memory/4492-16-0x00007FFB4D290000-0x00007FFB4D485000-memory.dmp
memory/4492-19-0x00007FFB4D290000-0x00007FFB4D485000-memory.dmp
memory/4492-20-0x00007FFB4D290000-0x00007FFB4D485000-memory.dmp
memory/4492-0-0x00007FFB0D310000-0x00007FFB0D320000-memory.dmp
memory/4492-32-0x00007FFB4D290000-0x00007FFB4D485000-memory.dmp
memory/4492-33-0x00007FFB4D290000-0x00007FFB4D485000-memory.dmp
memory/4492-34-0x00007FFB4D290000-0x00007FFB4D485000-memory.dmp