088a9f665d0fdc9b2bb050ecd1524b1539010bbe1d9935f72343bb2bc5f98975

Analysis

max time kernel
119s
max time network
125s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
29/04/2024, 18:10

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

locales/ar.pak
Size

794KB
MD5

3c2ab7363018db1f20b90acbc305cb4c
SHA1

60b9cf453178ad0e60faf20d137a0c7eabde65c9
SHA256

3ca47b9c436723f837a53b2904b51efdf13ab6cad2f3ef4fe48a1115847eccbf
SHA512

589beb3e95e93f30341933c9b9826210e6bf3e9c1ad8f113d9d8a98fa5a526f81e454ee3357fb55d60d67a4890ce33e964ba2fa810e1771a6b7e82746492313a
SSDEEP

12288:EyBYh5/N/RaWH4gzWvwU5Twikcb5uNi3+D2qeTT:E3aR/5D+M

Score

3^/10

Malware Config

Signatures

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Modifies registry class 9 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000_CLASSES\pak_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000_CLASSES\pak_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000_CLASSES\pak_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000_CLASSES\.pak	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000_CLASSES\.pak\ = "pak_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000_CLASSES\pak_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000_CLASSES\pak_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000_CLASSES\pak_auto_file	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2636	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2636	AcroRd32.exe
2636	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1276 wrote to memory of 2144	1276	cmd.exe	29
PID 1276 wrote to memory of 2144	1276	cmd.exe	29
PID 1276 wrote to memory of 2144	1276	cmd.exe	29
PID 2144 wrote to memory of 2636	2144	rundll32.exe	30
PID 2144 wrote to memory of 2636	2144	rundll32.exe	30
PID 2144 wrote to memory of 2636	2144	rundll32.exe	30
PID 2144 wrote to memory of 2636	2144	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\locales\ar.pak
1⤵
- Suspicious use of WriteProcessMemory
PID:1276
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\locales\ar.pak
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2144
- - 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\locales\ar.pak"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2636

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

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

C:\Users\Admin\AppData\Roaming\Adobe\Acrobat\9.0\SharedDataEvents

Filesize
3KB

MD5
d852628aaec91aa1b5021368765a643f

SHA1
9a6d4f48fe54420b7a1912837469cee7bab768a8

SHA256
37152f79ce465327a0dbbd1cc5f03bc63aadd2909a65645833ba1006d4e83814

SHA512
d25d3048194e6397920597a97ef5e1e2a18833bbce0dd7445d08acfca6540a1dbec25bd190343b57fa93b47a758fb6cf864edd4c1fde30b84f4afe80f7447236

Download Submit