b7d230d9297da6df74b4bed212c224a064311e69f87079bbe51fdf00c3333216

Analysis

max time kernel
151s
max time network
45s
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

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

AutoUpdater2.js.results/snippets.json
Size

72B
MD5

03ea22027d396683b9493cfa14bca111
SHA1

0fbfba71e389702f1a991740b9453ced80665fb8
SHA256

2ce7e74ee0c33343de0114c30fdad6d351b62c9aed27a619a5b9419d37c3ac09
SHA512

d5eeaf372b460fe2b0b1798bd532819fc3d6f768c9c98098d13d01f63334394a07f293e2d366cd863cf2317c1ff8a2a8ea1bb83f8aba5d90f9b387f7b26d911e

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
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000_CLASSES\json_auto_file\	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
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
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
1804	AcroRd32.exe
1804	AcroRd32.exe
1804	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1836 wrote to memory of 2020	1836	cmd.exe	28
PID 1836 wrote to memory of 2020	1836	cmd.exe	28
PID 1836 wrote to memory of 2020	1836	cmd.exe	28
PID 2020 wrote to memory of 1804	2020	rundll32.exe	29
PID 2020 wrote to memory of 1804	2020	rundll32.exe	29
PID 2020 wrote to memory of 1804	2020	rundll32.exe	29
PID 2020 wrote to memory of 1804	2020	rundll32.exe	29

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\AutoUpdater2.js.results\snippets.json
1⤵
- Suspicious use of WriteProcessMemory
PID:1836
- 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\snippets.json
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2020
- - 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\snippets.json"
    3⤵
    - Suspicious use of SetWindowsHookEx
    PID:1804

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

Loading Replay Monitor...

Downloads

memory/1804-82-0x0000000075771000-0x0000000075773000-memory.dmp

Filesize
8KB

Download
memory/1836-54-0x000007FEFB6A1000-0x000007FEFB6A3000-memory.dmp

Filesize
8KB

Download