Analysis
- max time kernel
144s - max time network
131s - platform
windows10-2004_x64 - resource
win10v2004-20220310-en - submitted
21/03/2022, 16:51
General
- Target K3362p2954.doc
- Size 943KB
- Sample220321-vctrxsheek
- SHA256 7f19bc8eb8f0555986de478bc9a17a8e052f4a9262b0a19b924d8e9c66a01ca7
Malware Config
Signatures
- Process spawned suspicious child process 1 IoCs
This child process is typically not spawned unless (for example) the parent process crashes. This typically indicates the parent process was unsuccessfully compromised.
- Checks processor information in registry 2 TTPs 6 IoCs
Processor information is often read in order to detect sandboxing environments.
- Enumerates system info in registry 2 TTPs 5 IoCs
- Modifies data under HKEY_USERS 1 IoCs
- Suspicious behavior: AddClipboardFormatListener 2 IoCs
- Suspicious behavior: EnumeratesProcesses 4 IoCs
- Suspicious use of SetWindowsHookEx 4 IoCs
- Suspicious use of WriteProcessMemory 4 IoCs
Processes
-
C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE"C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE" /n "C:\Users\Admin\AppData\Local\Temp\K3362p2954.doc" /o ""1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
-
C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\DW\DW20.EXE"C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\DW\DW20.EXE" -x -s 35482⤵
- Process spawned suspicious child process
- Suspicious use of WriteProcessMemory
-
C:\Windows\system32\dwwin.exeC:\Windows\system32\dwwin.exe -x -s 35483⤵
- Checks processor information in registry
- Enumerates system info in registry
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-
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C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k netsvcs -p -s BITS1⤵
- Modifies data under HKEY_USERS
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/1348-156-0x000002ABA6EE0000-0x000002ABA6EE4000-memory.dmp
memory/1348-142-0x000002ABA4880000-0x000002ABA4890000-memory.dmp
memory/1348-160-0x000002ABA49F0000-0x000002ABA49F4000-memory.dmp
memory/1348-159-0x000002ABA49F0000-0x000002ABA49F1000-memory.dmp
memory/1348-158-0x000002ABA6C60000-0x000002ABA6C64000-memory.dmp
memory/1348-157-0x000002ABA6EC0000-0x000002ABA6EC1000-memory.dmp
memory/1348-161-0x000002ABA4950000-0x000002ABA4951000-memory.dmp
memory/1348-141-0x000002ABA4660000-0x000002ABA4670000-memory.dmp
memory/1348-143-0x000002ABA49D0000-0x000002ABA49D4000-memory.dmp
memory/4884-154-0x00007FFD04910000-0x00007FFD04920000-memory.dmp
memory/4884-155-0x00007FFD44890000-0x00007FFD44A85000-memory.dmp
memory/4884-150-0x00007FFD44890000-0x00007FFD44A85000-memory.dmp
memory/4884-151-0x00007FFD04910000-0x00007FFD04920000-memory.dmp
memory/4884-152-0x00007FFD04910000-0x00007FFD04920000-memory.dmp
memory/4884-153-0x00007FFD04910000-0x00007FFD04920000-memory.dmp
memory/4948-139-0x00007FFD44890000-0x00007FFD44A85000-memory.dmp
memory/4948-149-0x000002212AD71000-0x000002212AD72000-memory.dmp
memory/4948-140-0x00007FFD44890000-0x00007FFD44A85000-memory.dmp
memory/4948-134-0x00007FFD04910000-0x00007FFD04920000-memory.dmp
memory/4948-138-0x00007FFD04910000-0x00007FFD04920000-memory.dmp
memory/4948-137-0x00007FFD04910000-0x00007FFD04920000-memory.dmp
memory/4948-136-0x00007FFD04910000-0x00007FFD04920000-memory.dmp
memory/4948-135-0x00007FFD04910000-0x00007FFD04920000-memory.dmp