Analysis
- max time kernel
152s - max time network
157s - platform
windows10_x64 - resource
win10-en - submitted
02/09/2021, 18:45
General
- Target SecuriteInfo.com.Trojan.GenericKDZ.75982.2917.13449.xlsm
- Size 158KB
- Sample210902-xd334abdb6
- SHA256 99d0142bd89e68940d71a22121b0cd853a0c6babc07faa71baa0bcb168cb7a85
Malware Config
Extracted
-
xlm4.0
-
xlm40.dropper
https://biopaten.no/xeBP8Oj5/gg.html
-
xlm40.dropper
https://beartoothkawasaki.com/QJT19jhtwHt/gg.html
Signatures
- Process spawned unexpected child process 2 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 FindShellTrayWindow 2 IoCs
- Suspicious use of SetWindowsHookEx 14 IoCs
- Suspicious use of WriteProcessMemory 6 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\SecuriteInfo.com.Trojan.GenericKDZ.75982.2917.13449.xlsm"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\splwow64.exeC:\Windows\splwow64.exe 122882⤵
-
-
C:\Windows\SYSTEM32\regsvr32.exeregsvr32 ..\cexyz1.dll2⤵
- Process spawned unexpected child process
-
-
C:\Windows\SYSTEM32\regsvr32.exeregsvr32 ..\cexyz2.dll2⤵
- Process spawned unexpected child process
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
memory/4716-115-0x00007FF76DA30000-0x00007FF770FE6000-memory.dmp
memory/4716-116-0x00007FFB19520000-0x00007FFB19530000-memory.dmp
memory/4716-117-0x00007FFB19520000-0x00007FFB19530000-memory.dmp
memory/4716-118-0x00007FFB19520000-0x00007FFB19530000-memory.dmp
memory/4716-119-0x00007FFB19520000-0x00007FFB19530000-memory.dmp
memory/4716-123-0x00007FFB19520000-0x00007FFB19530000-memory.dmp
memory/4716-122-0x00007FFB39EE0000-0x00007FFB3AFCE000-memory.dmp
memory/4716-124-0x000001F380000000-0x000001F381EF5000-memory.dmp