Analysis
- max time kernel
150s - max time network
148s - platform
windows10-2004_x64 - resource
win10v2004-20231215-en - resource tags
- submitted
06/04/2024, 07:32
General
- Target def8b1c249a03b9a5a03f34559a0a0d7_JaffaCakes118.xls
- Size 36KB
- Sample240406-jdfqxaec37
- SHA256 3392e718bd24e1ecab59604658b1d8f4aaef241ab5b46f52d1529d990783fe9d
Malware Config
Signatures
- Process spawned unexpected child process 1 IoCs
This typically indicates the parent process was compromised via an exploit or macro.
- Blocklisted process makes network request 2 IoCs
- 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\def8b1c249a03b9a5a03f34559a0a0d7_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\CN5o.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\CN5o.vbs"2⤵
- Blocklisted process makes network request
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
CN5o.vbs
memory/4160-15-0x00007FFFB0F70000-0x00007FFFB1165000-memory.dmp
memory/4160-35-0x00007FFFB0F70000-0x00007FFFB1165000-memory.dmp
memory/4160-6-0x00007FFFB0F70000-0x00007FFFB1165000-memory.dmp
memory/4160-7-0x00007FFF70FF0000-0x00007FFF71000000-memory.dmp
memory/4160-8-0x00007FFFB0F70000-0x00007FFFB1165000-memory.dmp
memory/4160-3-0x00007FFFB0F70000-0x00007FFFB1165000-memory.dmp
memory/4160-9-0x00007FFFB0F70000-0x00007FFFB1165000-memory.dmp
memory/4160-10-0x00007FFF6EF90000-0x00007FFF6EFA0000-memory.dmp
memory/4160-1-0x00007FFFB0F70000-0x00007FFFB1165000-memory.dmp
memory/4160-11-0x00007FFFB0F70000-0x00007FFFB1165000-memory.dmp
memory/4160-0-0x00007FFF70FF0000-0x00007FFF71000000-memory.dmp
memory/4160-14-0x00007FFF6EF90000-0x00007FFF6EFA0000-memory.dmp
memory/4160-5-0x00007FFF70FF0000-0x00007FFF71000000-memory.dmp
memory/4160-13-0x00007FFFB0F70000-0x00007FFFB1165000-memory.dmp
memory/4160-12-0x00007FFFB0F70000-0x00007FFFB1165000-memory.dmp
memory/4160-16-0x00007FFFB0F70000-0x00007FFFB1165000-memory.dmp
memory/4160-17-0x00007FFFB0F70000-0x00007FFFB1165000-memory.dmp
memory/4160-18-0x00007FFFB0F70000-0x00007FFFB1165000-memory.dmp
memory/4160-19-0x00007FFFB0F70000-0x00007FFFB1165000-memory.dmp
memory/4160-20-0x00007FFFB0F70000-0x00007FFFB1165000-memory.dmp
memory/4160-21-0x00007FFFB0F70000-0x00007FFFB1165000-memory.dmp
memory/4160-22-0x00007FFFB0F70000-0x00007FFFB1165000-memory.dmp
memory/4160-23-0x00007FFFB0F70000-0x00007FFFB1165000-memory.dmp
memory/4160-4-0x00007FFF70FF0000-0x00007FFF71000000-memory.dmp
memory/4160-2-0x00007FFF70FF0000-0x00007FFF71000000-memory.dmp
memory/4160-36-0x00007FFFB0F70000-0x00007FFFB1165000-memory.dmp
memory/4160-37-0x00007FFFB0F70000-0x00007FFFB1165000-memory.dmp