c351b4878a034ce7d31673ceeab281922585b1b26a9f520c2cf69f5f900d87a0

Analysis

max time kernel
149s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
31/12/2024, 03:28

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General

Target

$PLUGINSDIR/UserInfo.dll
Size

3KB
MD5

1923c3ce705616293c721d5dfc46b7a3
SHA1

beec6bba81cc80e100243e6b26554e0c585f7734
SHA256

921d31307a7e93270caa35093893b1799b055ffde2db3298fb9aa495ede7f9a2
SHA512

b8d584db8fac7a8395e3e5e1fdf12c4d3e5d1bdd78ac00e7467b5c4d279c670834211076ada391b6f11fb833fc8b54f2b3b24d9ecd85727000b1c0138aac8b77

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3668	2248	WerFault.exe	83

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 3 IoCs

description	pid	Process	procid_target
PID 4704 wrote to memory of 2248	4704	rundll32.exe	83
PID 4704 wrote to memory of 2248	4704	rundll32.exe	83
PID 4704 wrote to memory of 2248	4704	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\UserInfo.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4704
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\UserInfo.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2248
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2248 -s 616
    3⤵
    - Program crash
    PID:3668

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 2248 -ip 2248
1⤵
PID:3016

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

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