0bb9083847724d2a8e487e4eea494ad7362a67acb73ca0c649786c97368ed288

Analysis

max time kernel
150s
max time network
33s
platform
windows7_x64
resource
win7-20230220-en
resource tags

arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
submitted
03-04-2023 04:07

Target

Modules/cred.json
Size

2KB
MD5

fd218aa60e9cfbdf5852765c780e71b1
SHA1

ae57e7ccbb7c9ea7a457706de5a5bfae048ea4b7
SHA256

460776879691a9d3b5ab961148684fde3219c2e374686a07c5e4ce61d150f0fb
SHA512

6e4f3845b9185beec11f9a8f28db6fe3738bb22c674b8294511361bcaee361b2a6afc96edbb15c48a71cc467328a3e3ac4d1184ab181771f20ef72b619857768

Score

3^/10

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 9 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-1914912747-3343861975-731272777-1000_CLASSES\json_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1914912747-3343861975-731272777-1000_CLASSES\json_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1914912747-3343861975-731272777-1000_CLASSES\json_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1914912747-3343861975-731272777-1000_CLASSES\.json\ = "json_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1914912747-3343861975-731272777-1000_CLASSES\json_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1914912747-3343861975-731272777-1000_CLASSES\json_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1914912747-3343861975-731272777-1000_CLASSES\.json	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1914912747-3343861975-731272777-1000_CLASSES\json_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1914912747-3343861975-731272777-1000_Classes\Local Settings	rundll32.exe

Suspicious use of SetWindowsHookEx 3 IoCs

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1476 wrote to memory of 1464	1476	cmd.exe	28
PID 1476 wrote to memory of 1464	1476	cmd.exe	28
PID 1476 wrote to memory of 1464	1476	cmd.exe	28
PID 1464 wrote to memory of 608	1464	rundll32.exe	29
PID 1464 wrote to memory of 608	1464	rundll32.exe	29
PID 1464 wrote to memory of 608	1464	rundll32.exe	29
PID 1464 wrote to memory of 608	1464	rundll32.exe	29

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\Modules\cred.json
1⤵
- Suspicious use of WriteProcessMemory
PID:1476
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\Modules\cred.json
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:1464
- - 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\Modules\cred.json"
    3⤵
    - Suspicious use of SetWindowsHookEx
    PID:608

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact