Analysis
- max time kernel
150s - max time network
143s - platform
windows10-2004_x64 - resource
win10v2004-en-20220113 - submitted
30/03/2022, 06:26
General
- Target 90511ce75929d342264cf901297e8a60.xls
- Size 106KB
- Sample220330-g663fshcf2
- SHA256 7597defb4baf2b0e2bac5b71f4f2cce4b215b9269a11b07be5dd44e5a750956d
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\90511ce75929d342264cf901297e8a60.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/4568-130-0x00007FFD1AE30000-0x00007FFD1AE40000-memory.dmp
memory/4568-132-0x00007FFD1AE30000-0x00007FFD1AE40000-memory.dmp
memory/4568-131-0x00007FFD1AE30000-0x00007FFD1AE40000-memory.dmp
memory/4568-133-0x00007FFD1AE30000-0x00007FFD1AE40000-memory.dmp
memory/4568-134-0x00007FFD1AE30000-0x00007FFD1AE40000-memory.dmp