b6ed29e0da8d78835a66a6c4560548e37ae59ab79451429c6d818f8cc43173bd

Analysis

max time kernel
94s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
10-01-2025 18:29

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General

Target

$PLUGINSDIR/pvrgshwm.dll
Size

47KB
MD5

1faaa3ee0a67c6f5162963e363e8faf0
SHA1

82c8977e56a1ea9c25ac415defcfb035fa4d0085
SHA256

c340dc49b7d2339617ad4d76e3b4ec0483f294068fd1f26382e3833eea085792
SHA512

2714fc63ca8244a0940713b2fa593ff6ee8d1e66987a10506304fd3a45cf90a7ea39139a17c2389617f7c607f9d72251ad3bdc8e72b7b1f13f979abec596da1c
SSDEEP

768:C47djVQ3OZLTV18v01/LcxdR0vndKBJlp1T0b7x13ONIzE:C47/2QLTV140RARmn4nljTYx1+NiE

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1860	3292	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 7 IoCs

description	pid	Process	procid_target
PID 3016 wrote to memory of 3292	3016	rundll32.exe	83
PID 3016 wrote to memory of 3292	3016	rundll32.exe	83
PID 3016 wrote to memory of 3292	3016	rundll32.exe	83
PID 3292 wrote to memory of 2224	3292	rundll32.exe	84
PID 3292 wrote to memory of 2224	3292	rundll32.exe	84
PID 3292 wrote to memory of 2224	3292	rundll32.exe	84
PID 3292 wrote to memory of 2224	3292	rundll32.exe	84

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\pvrgshwm.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3016
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\pvrgshwm.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3292
- - C:\Windows\SysWOW64\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\pvrgshwm.dll,#1
    3⤵
    PID:2224
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3292 -s 660
    3⤵
    - Program crash
    PID:1860

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 360 -p 3292 -ip 3292
1⤵
PID:560

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

Replay Monitor

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Downloads

memory/3292-0-0x0000000074D3C000-0x0000000074D3E000-memory.dmp

Filesize
8KB

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