742b12994ff59b3a846fb24aae2ae03325ca84d52fa360277c8637cdf893d2c9

Analysis

max time kernel
150s
max time network
158s
platform
windows10-2004_x64
resource
win10v2004-20240910-en
resource tags

arch:x64arch:x86image:win10v2004-20240910-enlocale:en-usos:windows10-2004-x64system
submitted
27-09-2024 09:40

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General

Target

$PLUGINSDIR/insthelper.dll
Size

774KB
MD5

8bcd300c69b67e78b09cf07aecfa14fb
SHA1

d92bdb71d8b8477a3f0838360191aecc459a3c09
SHA256

d62d59db60544bd44db6d710f3b6d48608bee022d908dc46d16885e79dd1ca0d
SHA512

393667c3423ed6defeca5c7c51c3244106ebb737398b34822a38edf9fa68cead72016a77c29d4f47d0c5c784c6339e8080d3b35eb17d325658a951c464951cf4
SSDEEP

24576:Hur3XYYvDFTBs8N2x0y7J07fGYQ0gD8H9V2SM+5byEziR1BRWptMYabpeB:jp8JQPIFz41BR3bbpeB

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4444	1520	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 3 IoCs

description	pid	Process	procid_target
PID 8 wrote to memory of 1520	8	rundll32.exe	84
PID 8 wrote to memory of 1520	8	rundll32.exe	84
PID 8 wrote to memory of 1520	8	rundll32.exe	84

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\insthelper.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:8
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\insthelper.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1520
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1520 -s 640
    3⤵
    - Program crash
    PID:4444

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 188 -p 1520 -ip 1520
1⤵
PID:4764

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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