eb4a7d75e1661dc1d9e158317a788eaf1c280da115c0c78662d0cba514b1e59b

Analysis

max time kernel
176s
max time network
46s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
04/02/2023, 21:09

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

Setup/Locales/es-419.pak
Size

317KB
MD5

32b26b9afb8dd050c0dabf5fa3c5f787
SHA1

11d0336356a1469727642db8a78d793f7cbf886d
SHA256

5e3439226db55927497df667b37a37b7c7307db4973ee46d9415c1e337ed4820
SHA512

f4ead39651e34da95181cfe448dffee8e46f8deaa6b47926b986201ec089d6af9320477311dc1824f1e535f75813cc09194bfbf77cefe573fe5e08f46b88c0d7
SSDEEP

3072:y1I8rQvEO/A+HVavjTxjze0nL13q+YHWyr8dN5TlQ+sQRBzgm9M:y1ZRO/7HVAmEggdN5KQRBzgm9M

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-1-5-21-3845472200-3839195424-595303356-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000_CLASSES\pak_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000_CLASSES\pak_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000_CLASSES\.pak	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000_CLASSES\.pak\ = "pak_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\MuiCache	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000_CLASSES\pak_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000_CLASSES\pak_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000_CLASSES\pak_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000_CLASSES\pak_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
284	AcroRd32.exe
284	AcroRd32.exe
284	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1564 wrote to memory of 1508	1564	cmd.exe	29
PID 1564 wrote to memory of 1508	1564	cmd.exe	29
PID 1564 wrote to memory of 1508	1564	cmd.exe	29
PID 1508 wrote to memory of 284	1508	rundll32.exe	30
PID 1508 wrote to memory of 284	1508	rundll32.exe	30
PID 1508 wrote to memory of 284	1508	rundll32.exe	30
PID 1508 wrote to memory of 284	1508	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\Setup\Locales\es-419.pak
1⤵
- Suspicious use of WriteProcessMemory
PID:1564
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\Setup\Locales\es-419.pak
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:1508
- - 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\Setup\Locales\es-419.pak"
    3⤵
    - Suspicious use of SetWindowsHookEx
    PID:284

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

Loading Replay Monitor...

Downloads

memory/284-82-0x0000000076031000-0x0000000076033000-memory.dmp

Filesize
8KB

Download
memory/1564-54-0x000007FEFB831000-0x000007FEFB833000-memory.dmp

Filesize
8KB

Download