0b6db0cbd5af09eba2eea7a3145f468ca190a1db48905df96a28acddb96efb67

Analysis

max time kernel
122s
max time network
123s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
21/01/2025, 16:19

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General

Target
$PLUGINSDIR/UserInfo.dll
Size 4KB
Sample250121-tsrf3asphj
SHA256 74a4283da525512b7fa14d40cafd905e63a8c2a3c9faca4d0605ad71f1a05a7d
MD5 eaf5036ef8e7fbdfa76d42c18233764f
SHA1 acd9f46c0500b00648933c4a172ef258ec64a1f3
SHA512 93d3e698c5d40f28c9d899f95f5b8ae60eceb8e96e57000ed458b9bffadcc98616aeadd4d6b930f3f91bd2a822681ef284dfc0eda6ae776ba1b7cc6ff87704ef
MD5 SHA1 SHA512

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2244	1776	WerFault.exe	31

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 2412 wrote to memory of 1776	2412	rundll32.exe	31
PID 2412 wrote to memory of 1776	2412	rundll32.exe	31
PID 2412 wrote to memory of 1776	2412	rundll32.exe	31
PID 2412 wrote to memory of 1776	2412	rundll32.exe	31
PID 2412 wrote to memory of 1776	2412	rundll32.exe	31
PID 2412 wrote to memory of 1776	2412	rundll32.exe	31
PID 2412 wrote to memory of 1776	2412	rundll32.exe	31
PID 1776 wrote to memory of 2244	1776	rundll32.exe	32
PID 1776 wrote to memory of 2244	1776	rundll32.exe	32
PID 1776 wrote to memory of 2244	1776	rundll32.exe	32
PID 1776 wrote to memory of 2244	1776	rundll32.exe	32

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\UserInfo.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2412
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\UserInfo.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1776
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1776 -s 224
    3⤵
    - Program crash
    PID:2244

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

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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