b7d230d9297da6df74b4bed212c224a064311e69f87079bbe51fdf00c3333216

Analysis

max time kernel
150s
max time network
46s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
22/09/2022, 21:54

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General

Target

AutoUpdater2.js.results/urls.json
Size

55B
MD5

51f3ce7e89e08121212dd3b63a6603ae
SHA1

a4c82c5c6da759cea59b9efc9159d75ba7d0cfa1
SHA256

45ab8a0d27c549b8c82c519d9233bdd87bbda3dcd041a7128c5bfab40e18405d
SHA512

d2d61a054f45905d9c9a538f04abf8ca3b5dc5f1b9e4d36e441df21ccea93ad0217c54f3a64a4cc6ef70fc6a0b2ff96efedacca3a061bf0f29135afeacfe6333

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-1-5-21-2292972927-2705560509-2768824231-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\MuiCache	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000_CLASSES\json_auto_file	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000_CLASSES\.json	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000_CLASSES\.json\ = "json_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000_CLASSES\json_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000_CLASSES\json_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000_CLASSES\json_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000_Classes\Local Settings	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000_CLASSES\json_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000_CLASSES\json_auto_file\shell	rundll32.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
1796	AcroRd32.exe
1796	AcroRd32.exe
1796	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1336 wrote to memory of 268	1336	cmd.exe	28
PID 1336 wrote to memory of 268	1336	cmd.exe	28
PID 1336 wrote to memory of 268	1336	cmd.exe	28
PID 268 wrote to memory of 1796	268	rundll32.exe	29
PID 268 wrote to memory of 1796	268	rundll32.exe	29
PID 268 wrote to memory of 1796	268	rundll32.exe	29
PID 268 wrote to memory of 1796	268	rundll32.exe	29

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\AutoUpdater2.js.results\urls.json
1⤵
- Suspicious use of WriteProcessMemory
PID:1336
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\AutoUpdater2.js.results\urls.json
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:268
- - 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\AutoUpdater2.js.results\urls.json"
    3⤵
    - Suspicious use of SetWindowsHookEx
    PID:1796

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/1336-54-0x000007FEFBB41000-0x000007FEFBB43000-memory.dmp

Filesize
8KB

Download
memory/1796-82-0x00000000762D1000-0x00000000762D3000-memory.dmp

Filesize
8KB

Download