de5db2660e3c285cfe156583e48f9f30def03b8884261bfab331089110e5f334

Analysis

max time kernel
151s
max time network
41s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
26-11-2022 10:38

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General

Target

s/go.sh
Size

125B
MD5

f8dab7c30afe989a3324752b9703449d
SHA1

487bc217f6f2415431a9134612aa0f4b14a8afa9
SHA256

be8424f3c8f6b8cdeb743d00a4891925704e9066f682efa26e22c860200cfc2b
SHA512

d384ac879447df1d94888c292ae670f4c03e5eb907d9c3bfa436acd7727ab625d45c506d525c57bcee73c0e7de368c70a88216406cc7e95a75d7de2ffe28d780

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-1-5-21-999675638-2867687379-27515722-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000_CLASSES\sh_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000_CLASSES\.sh\ = "sh_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000_CLASSES\sh_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000_CLASSES\sh_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000_CLASSES\sh_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000_CLASSES\sh_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\MuiCache	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000_CLASSES\sh_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000_CLASSES\.sh	rundll32.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
860	AcroRd32.exe
860	AcroRd32.exe
860	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2000 wrote to memory of 696	2000	cmd.exe	27
PID 2000 wrote to memory of 696	2000	cmd.exe	27
PID 2000 wrote to memory of 696	2000	cmd.exe	27
PID 696 wrote to memory of 860	696	rundll32.exe	28
PID 696 wrote to memory of 860	696	rundll32.exe	28
PID 696 wrote to memory of 860	696	rundll32.exe	28
PID 696 wrote to memory of 860	696	rundll32.exe	28

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\s\go.sh
1⤵
- Suspicious use of WriteProcessMemory
PID:2000
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\s\go.sh
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:696
- - 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\s\go.sh"
    3⤵
    - Suspicious use of SetWindowsHookEx
    PID:860

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/860-82-0x00000000762B1000-0x00000000762B3000-memory.dmp

Filesize
8KB

Download
memory/2000-54-0x000007FEFC161000-0x000007FEFC163000-memory.dmp

Filesize
8KB

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