Analysis
- max time kernel
151s - max time network
147s - platform
windows10-2004_x64 - resource
win10v2004-20240226-en - resource tags
- submitted
01/04/2024, 04:11
General
- Target 67585c6f866fa19b0199c77444dbc2bc_JaffaCakes118.xls
- Size 35KB
- Sample240401-er4bxadf59
- SHA256 969d1fb0997086fd910aa7f39f1923bf8a66a68e74ec90c51f6f5305efe2734e
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 2 IoCs
- Suspicious use of SetWindowsHookEx 14 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\67585c6f866fa19b0199c77444dbc2bc_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\bu2ZBQb.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\bu2ZBQb.vbs"2⤵
-
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=1424 --field-trial-handle=2180,i,12780723798465539942,12010519452607841069,262144 --variations-seed-version /prefetch:81⤵
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
bu2ZBQb.vbs
memory/4896-12-0x00007FFB034B0000-0x00007FFB036A5000-memory.dmp
memory/4896-9-0x00007FFB034B0000-0x00007FFB036A5000-memory.dmp
memory/4896-3-0x00007FFB034B0000-0x00007FFB036A5000-memory.dmp
memory/4896-5-0x00007FFB034B0000-0x00007FFB036A5000-memory.dmp
memory/4896-4-0x00007FFAC3530000-0x00007FFAC3540000-memory.dmp
memory/4896-6-0x00007FFB034B0000-0x00007FFB036A5000-memory.dmp
memory/4896-7-0x00007FFAC3530000-0x00007FFAC3540000-memory.dmp
memory/4896-13-0x00007FFB034B0000-0x00007FFB036A5000-memory.dmp
memory/4896-0-0x00007FFAC3530000-0x00007FFAC3540000-memory.dmp
memory/4896-10-0x00007FFB034B0000-0x00007FFB036A5000-memory.dmp
memory/4896-2-0x00007FFAC3530000-0x00007FFAC3540000-memory.dmp
memory/4896-11-0x00007FFB034B0000-0x00007FFB036A5000-memory.dmp
memory/4896-8-0x00007FFB034B0000-0x00007FFB036A5000-memory.dmp
memory/4896-14-0x00007FFAC1010000-0x00007FFAC1020000-memory.dmp
memory/4896-15-0x00007FFB034B0000-0x00007FFB036A5000-memory.dmp
memory/4896-17-0x00007FFB034B0000-0x00007FFB036A5000-memory.dmp
memory/4896-18-0x00007FFB034B0000-0x00007FFB036A5000-memory.dmp
memory/4896-19-0x00007FFB034B0000-0x00007FFB036A5000-memory.dmp
memory/4896-20-0x00007FFB034B0000-0x00007FFB036A5000-memory.dmp
memory/4896-16-0x00007FFB034B0000-0x00007FFB036A5000-memory.dmp
memory/4896-21-0x00007FFAC1010000-0x00007FFAC1020000-memory.dmp
memory/4896-1-0x00007FFAC3530000-0x00007FFAC3540000-memory.dmp
memory/4896-33-0x00007FFB034B0000-0x00007FFB036A5000-memory.dmp