b902902f414d71f99254b009d971eb2031a06cba1196695adc4568830ccbd9b0

Analysis

max time kernel
11s
max time network
17s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
24/10/2022, 03:44

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General

Target
Data/xulrunner/js-gdb.py
Size 263B
Sample221024-eaqz9aedcn
SHA256 32e7ff13d390bb4a23f029726b8856b6add8a035bf6da2b24657a96076debbeb
MD5 3112cc778265aa80f38b678e6a9831c3
SHA1 7bed46fc4af78d67ac58f00b2d2737ea17b41a27
SHA512 ff8afe0f0470101401db7cd55843045fbace3f619977d2dbff0256fce5cd2d16124fcd4c7a1a369c4f1b2d760f6f10de0191a770a6f466b4cdac4110a4d0ac95
MD5 SHA1 SHA512

Score

3^/10

Malware Config

Signatures

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Modifies registry class 10 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\MuiCache	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000_CLASSES\py_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000_CLASSES\py_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000_CLASSES\.py	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000_CLASSES\py_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000_CLASSES\py_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000_CLASSES\py_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000_CLASSES\py_auto_file\shell	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000_CLASSES\.py\ = "py_auto_file"	rundll32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1712	AcroRd32.exe
1712	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1388 wrote to memory of 1216	1388	cmd.exe	28
PID 1388 wrote to memory of 1216	1388	cmd.exe	28
PID 1388 wrote to memory of 1216	1388	cmd.exe	28
PID 1216 wrote to memory of 1712	1216	rundll32.exe	29
PID 1216 wrote to memory of 1712	1216	rundll32.exe	29
PID 1216 wrote to memory of 1712	1216	rundll32.exe	29
PID 1216 wrote to memory of 1712	1216	rundll32.exe	29

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\Data\xulrunner\js-gdb.py
1⤵
- Suspicious use of WriteProcessMemory
PID:1388
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\Data\xulrunner\js-gdb.py
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:1216
- - C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe
    "C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe" "C:\Users\Admin\AppData\Local\Temp\Data\xulrunner\js-gdb.py"
    3⤵
    - Suspicious use of SetWindowsHookEx
    PID:1712

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1388-54-0x000007FEFBF81000-0x000007FEFBF83000-memory.dmp

Download

memory/1712-82-0x0000000075E11000-0x0000000075E13000-memory.dmp