31a1553ca7cb23f86e5e841596311e489c7c5285b4ac49d4fe655a918f2a5723

Analysis

max time kernel
118s
max time network
123s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
23/08/2024, 14:08

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

$PLUGINSDIR/UAC.dll
Size

17KB
MD5

88ad3fd90fc52ac3ee0441a38400a384
SHA1

08bc9e1f5951b54126b5c3c769e3eaed42f3d10b
SHA256

e58884695378cf02715373928bb8ade270baf03144369463f505c3b3808cbc42
SHA512

359496f571e6fa2ec4c5ab5bd1d35d1330586f624228713ae55c65a69e07d8623022ef54337c22c3aab558a9b74d9977c8436f5fea4194899d9ef3ffd74e7dbb
SSDEEP

384:59TzaeW+WyB8c7LX+OGkrwWvVrkUiEMAWm5nskAvXkq:5ZaB+W62Mr5vGUiEum5sk

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1720	2588	WerFault.exe	30

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2572 wrote to memory of 2588	2572	rundll32.exe	30
PID 2572 wrote to memory of 2588	2572	rundll32.exe	30
PID 2572 wrote to memory of 2588	2572	rundll32.exe	30
PID 2572 wrote to memory of 2588	2572	rundll32.exe	30
PID 2572 wrote to memory of 2588	2572	rundll32.exe	30
PID 2572 wrote to memory of 2588	2572	rundll32.exe	30
PID 2572 wrote to memory of 2588	2572	rundll32.exe	30
PID 2588 wrote to memory of 1720	2588	rundll32.exe	31
PID 2588 wrote to memory of 1720	2588	rundll32.exe	31
PID 2588 wrote to memory of 1720	2588	rundll32.exe	31
PID 2588 wrote to memory of 1720	2588	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\UAC.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2572
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\UAC.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2588
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2588 -s 224
    3⤵
    - Program crash
    PID:1720

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Windows 7 deprecation

Loading Replay Monitor...