cf60eacd48c1c27cad4b9d3754e6af6c6a6770748b4111916c53eda44f73b9f5

Analysis

max time kernel
150s
max time network
34s
platform
windows7_x64
resource
win7-20230220-en
resource tags

arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
submitted
20-03-2023 23:02

Target

manifest.json
Size

994B
MD5

74d6adf3157c044ea1069e0cc82c20b4
SHA1

dbe95474a52b98926aa7c032c7edf84b044ba8fe
SHA256

10d7c4b86ac2b85e2b2d0275f7238f8de3b34fee726138b7c1da64ee62999f7d
SHA512

47b10e8ee690e36e9a57bb096ef3fe64830a02747afaf8cb32b02b32ae0f43f485e025b7be14756ec1f9b64120abeb7fd429cded120e25220f1c0b4f3c5425b6

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 10 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\MuiCache	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000_CLASSES\json_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000_CLASSES\.json	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000_CLASSES\.json\ = "json_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000_CLASSES\json_auto_file\shell\Read\command	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000_CLASSES\json_auto_file	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000_CLASSES\json_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000_CLASSES\json_auto_file\shell	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000_CLASSES\json_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe

Suspicious use of SetWindowsHookEx 3 IoCs

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1768 wrote to memory of 340	1768	cmd.exe	29
PID 1768 wrote to memory of 340	1768	cmd.exe	29
PID 1768 wrote to memory of 340	1768	cmd.exe	29
PID 340 wrote to memory of 836	340	rundll32.exe	30
PID 340 wrote to memory of 836	340	rundll32.exe	30
PID 340 wrote to memory of 836	340	rundll32.exe	30
PID 340 wrote to memory of 836	340	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\manifest.json
1⤵
- Suspicious use of WriteProcessMemory
PID:1768
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\manifest.json
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:340
- - 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\manifest.json"
    3⤵
    - Suspicious use of SetWindowsHookEx
    PID:836

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact