a83441589227ced99ee4fb433d327b063411d6df9e28091f07c6ec6878e87a0b

Analysis

max time kernel
509s
max time network
501s
platform
windows7_x64
resource
win7-20221111-en
resource tags

arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
submitted
09/02/2023, 12:59

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General

Target

assets/computercraft/textures/block/wireless_modem_normal_face_on.png.mcmeta
Size

54B
MD5

2a2b1f8315b76c1bbbc1cff4b5bfd36b
SHA1

5ca6b52266ee42f76a5db52c42635afac613846e
SHA256

dc8fc4a51118c829bc89b218b460bea0f24702abccac70592efc5f35921f8254
SHA512

bf8c704cdae4bdb3e467aede8201cf1eb668cf29b1e4ed93c5877c0c1175dc9a7611d78271d28c75c131467183d0c2277eae7e61c9f2d6f41e2e52a8e4be9a24

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-1-5-21-1214520366-621468234-4062160515-1000_CLASSES\mcmeta_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000_CLASSES\mcmeta_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000_CLASSES\mcmeta_auto_file\shell\Read\command	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\MuiCache	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000_CLASSES\mcmeta_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000_CLASSES\.mcmeta\ = "mcmeta_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000_CLASSES\mcmeta_auto_file\shell	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000_CLASSES\mcmeta_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000_CLASSES\.mcmeta	rundll32.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
604	AcroRd32.exe
604	AcroRd32.exe
604	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 864 wrote to memory of 304	864	cmd.exe	28
PID 864 wrote to memory of 304	864	cmd.exe	28
PID 864 wrote to memory of 304	864	cmd.exe	28
PID 304 wrote to memory of 604	304	rundll32.exe	29
PID 304 wrote to memory of 604	304	rundll32.exe	29
PID 304 wrote to memory of 604	304	rundll32.exe	29
PID 304 wrote to memory of 604	304	rundll32.exe	29

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\assets\computercraft\textures\block\wireless_modem_normal_face_on.png.mcmeta
1⤵
- Suspicious use of WriteProcessMemory
PID:864
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\assets\computercraft\textures\block\wireless_modem_normal_face_on.png.mcmeta
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:304
- - 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\assets\computercraft\textures\block\wireless_modem_normal_face_on.png.mcmeta"
    3⤵
    - Suspicious use of SetWindowsHookEx
    PID:604

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/604-82-0x00000000763D1000-0x00000000763D3000-memory.dmp

Filesize
8KB

Download
memory/864-54-0x000007FEFC131000-0x000007FEFC133000-memory.dmp

Filesize
8KB

Download