1d84aa191fbbd842d5eeed302195579de1256a9acb980308bf31a631ac01e530

Analysis

max time kernel
149s
max time network
142s
platform
windows10-2004_x64
resource
win10v2004-20260130-en
resource tags

arch:x64arch:x86image:win10v2004-20260130-enlocale:en-usos:windows10-2004-x64systemwindows
submitted
04/05/2026, 01:05

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General

Target
$PLUGINSDIR/OBSInstallerUtils.dll
Size 426KB
Sample260504-bfzb2aew4p
SHA256 1d84aa191fbbd842d5eeed302195579de1256a9acb980308bf31a631ac01e530
MD5 e1f825260e7224ef0526514754f7d0e8
SHA1 553d67289b039ffea5d8b59f509b9265dca2ba19
SHA512 b9453eb4ae6edbfd86e438ed0825725ab91100b8403a933bb0e359703be462f6d3d37f8bfb32eeae375a46512c619370f9802925ae0d8898f540f933b05b281f
SSDEEP 6144:+fxKVpKLECSq5oMIMOfv6yZsA1eetlFnnI8+dATAxe97TGYKh:GxgpKLEBq5oMnOfv6yWaeetlxnpgh
TLSH
T18A946C1078818172DDFA20BD46ECB931056DA8F007345AC796DC0BFAEA645D2BB3669F
MD5 SHA1 SHA512 SSDEEP TLSH

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2868	2728	WerFault.exe	84

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 1 IoCs

description	pid	Process	procid_target
PID 4108 wrote to memory of 2728	4108	rundll32.exe	84

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\OBSInstallerUtils.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4108
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\OBSInstallerUtils.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2728
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2728 -s 648
    3⤵
    - Program crash
    PID:2868

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 2728 -ip 2728
1⤵
PID:4172

Network

MITRE ATT&CK Enterprise v16

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 v16

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