Analysis
- max time kernel
152s - max time network
135s - platform
windows10-2004_x64 - resource
win10v2004-20220310-en - submitted
30/03/2022, 06:26
General
- Target 971161650c6fd3be2847f16aa3b7e09c.xls
- Size 106KB
- Sample220330-g663fshcf3
- SHA256 e2c8f7b048b2a2cac1c45dd5eb31845be5a18c3bf585c490467731f963f9ab4c
Score
10/10
Malware Config
Extracted
Language
-
xlm4.0
Source
URLs
-
xlm40.dropper
http://dougveeder.com/cgi-bin/xJ91ZttGRioQ7IUL/
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
- Suspicious behavior: AddClipboardFormatListener 1 IoCs
- Suspicious use of SetWindowsHookEx 12 IoCs
- Suspicious use of WriteProcessMemory 3 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\971161650c6fd3be2847f16aa3b7e09c.xls"1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWow64\regsvr32.exeC:\Windows\SysWow64\regsvr32.exe -s ..\hdrh.dll2⤵
- Process spawned unexpected child process
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
hdrh.dll
memory/4484-134-0x00007FFB47B50000-0x00007FFB47B60000-memory.dmp
memory/4484-136-0x00007FFB47B50000-0x00007FFB47B60000-memory.dmp
memory/4484-135-0x00007FFB47B50000-0x00007FFB47B60000-memory.dmp
memory/4484-137-0x00007FFB47B50000-0x00007FFB47B60000-memory.dmp
memory/4484-138-0x00007FFB47B50000-0x00007FFB47B60000-memory.dmp