09bb049cc4eeb25cc5890fe7f776dc76a333bd0da2c1099672508880de547845

Analysis

max time kernel
38s
max time network
31s
platform
windows7_x64
resource
win7-20221111-en
resource tags

arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
submitted
14-02-2023 00:34

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General

Target

まりあ [Maria] 純真無垢Part4[IMOG-182][60fps].mkv.torrent
Size

14KB
MD5

544377cce3664d9cf1fa40076d163692
SHA1

80698ed0326a65a6db6e39b3cdaf17a070566baf
SHA256

09bb049cc4eeb25cc5890fe7f776dc76a333bd0da2c1099672508880de547845
SHA512

27d7f5c2d3f166eb55efcbc0208414436c13b343dc8e91c17ca0a20d6fb04448f78c24aab6a9bc4156980cfcaaec3823dd0f5b32ef968ec695cc1ed737de12fd
SSDEEP

384:nhn9nQhjrpbUsCcNZHDSt/amozJVjbKvuRMFbxXrB8:Yh5TrHDmozJVCmRMRq

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-1-5-21-3385717845-2518323428-350143044-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\MuiCache	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000_CLASSES\.torrent	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000_CLASSES\torrent_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000_CLASSES\torrent_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000_CLASSES\torrent_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000_CLASSES\torrent_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000_CLASSES\torrent_auto_file\	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000_CLASSES\.torrent\ = "torrent_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000_CLASSES\torrent_auto_file\shell	rundll32.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
1700	AcroRd32.exe
1700	AcroRd32.exe
1700	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2040 wrote to memory of 1108	2040	cmd.exe	29
PID 2040 wrote to memory of 1108	2040	cmd.exe	29
PID 2040 wrote to memory of 1108	2040	cmd.exe	29
PID 1108 wrote to memory of 1700	1108	rundll32.exe	30
PID 1108 wrote to memory of 1700	1108	rundll32.exe	30
PID 1108 wrote to memory of 1700	1108	rundll32.exe	30
PID 1108 wrote to memory of 1700	1108	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c "C:\Users\Admin\AppData\Local\Temp\まりあ [Maria] 純真無垢Part4[IMOG-182][60fps].mkv.torrent"
1⤵
- Suspicious use of WriteProcessMemory
PID:2040
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\まりあ [Maria] 純真無垢Part4[IMOG-182][60fps].mkv.torrent
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:1108
- - 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\まりあ [Maria] 純真無垢Part4[IMOG-182][60fps].mkv.torrent"
    3⤵
    - Suspicious use of SetWindowsHookEx
    PID:1700

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/1108-76-0x0000000000000000-mapping.dmp

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memory/1700-81-0x0000000000000000-mapping.dmp

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memory/1700-82-0x0000000075511000-0x0000000075513000-memory.dmp

Filesize
8KB

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memory/2040-54-0x000007FEFBFB1000-0x000007FEFBFB3000-memory.dmp

Filesize
8KB

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