437c8032e578d678d10379c25af38953c41821103fb2d7d25f6a229fdd2bec10

Analysis

max time kernel
150s
max time network
33s
platform
windows7_x64
resource
win7-20230220-en
resource tags

arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
submitted
25/03/2023, 18:06

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General

Target

Borrador/Language/German.lng
Size

7KB
MD5

2436b14b3712922f225427425009ba44
SHA1

8f896ffa283a77a6911a150303f12d067aad72eb
SHA256

bc7d3c4f581a3fd12be1e2d59686780bd94d5fc383c65518dd89fb6cad111c98
SHA512

94d346a3de795a4cace50efe46106448a69bc173534b4610e8ab831bbea158556218694bbeb6c93dd2a55e7932b0d49f02bd3410847ab048ac7e90e788f1d79e
SSDEEP

192:dN6S+utiwIaflyg+0Esch+qe/ZkZ2DgU86:PH+qiw1flyg+0nch+V/ZkZ2l86

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-1-5-21-3499517378-2376672570-1134980332-1000_CLASSES\lng_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000_CLASSES\lng_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000_CLASSES\lng_auto_file	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000_CLASSES\lng_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000_CLASSES\.lng	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000_CLASSES\.lng\ = "lng_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000_CLASSES\lng_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000_Classes\Local Settings	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000_CLASSES\lng_auto_file\	rundll32.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
1772	AcroRd32.exe
1772	AcroRd32.exe
1772	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1388 wrote to memory of 608	1388	cmd.exe	29
PID 1388 wrote to memory of 608	1388	cmd.exe	29
PID 1388 wrote to memory of 608	1388	cmd.exe	29
PID 608 wrote to memory of 1772	608	rundll32.exe	30
PID 608 wrote to memory of 1772	608	rundll32.exe	30
PID 608 wrote to memory of 1772	608	rundll32.exe	30
PID 608 wrote to memory of 1772	608	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\Borrador\Language\German.lng
1⤵
- Suspicious use of WriteProcessMemory
PID:1388
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\Borrador\Language\German.lng
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:608
- - 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\Borrador\Language\German.lng"
    3⤵
    - Suspicious use of SetWindowsHookEx
    PID:1772

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

Windows 7 deprecation

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