fe90a80ee54f5b67a780f04d8d05681e4c5819815efb854813e8bc5a98312084

Analysis

max time kernel
134s
max time network
34s
platform
windows7_x64
resource
win7-20230220-en
resource tags

arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
submitted
18/04/2023, 11:40

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General

Target

vnme.oqu
Size

1.0MB
MD5

2719c2e3387bfc7d4ebad5a477600d4d
SHA1

a5cec43ca072c50b3b159aeae01dac573c5c266c
SHA256

1182d0e595ab3e1a4f14749b00a5e8cec78f5ace1dab23b9eb3155712ee5d89f
SHA512

38a36c3ecd0a1e6472e3e2617b2292ffe5cfae322167e399cef766f9c147d6295963e67623fe19729621d8ca5e6b300d12a17fae5ec41b5dd681bbfc8c710ca3
SSDEEP

24576:whDGLR/GnhYzWHkCmdHn1F551gP23Rg+bb/qaVfYEi:2D/hlIH4R+XCTE

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 9 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-1563773381-2037468142-1146002597-1000_CLASSES\.oqu	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1563773381-2037468142-1146002597-1000_CLASSES\.oqu\ = "oqu_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1563773381-2037468142-1146002597-1000_CLASSES\oqu_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1563773381-2037468142-1146002597-1000_CLASSES\oqu_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1563773381-2037468142-1146002597-1000_CLASSES\oqu_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1563773381-2037468142-1146002597-1000_CLASSES\oqu_auto_file	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1563773381-2037468142-1146002597-1000_CLASSES\oqu_auto_file\shell	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1563773381-2037468142-1146002597-1000_CLASSES\oqu_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1563773381-2037468142-1146002597-1000_Classes\Local Settings	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1764	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1764	AcroRd32.exe
1764	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2000 wrote to memory of 268	2000	cmd.exe	28
PID 2000 wrote to memory of 268	2000	cmd.exe	28
PID 2000 wrote to memory of 268	2000	cmd.exe	28
PID 268 wrote to memory of 1764	268	rundll32.exe	29
PID 268 wrote to memory of 1764	268	rundll32.exe	29
PID 268 wrote to memory of 1764	268	rundll32.exe	29
PID 268 wrote to memory of 1764	268	rundll32.exe	29

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\vnme.oqu
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\vnme.oqu
  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\vnme.oqu"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:1764

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

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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