ca6f6ef58a3c935b1ea7393d7b52252946c294ab4dfd4f76c5349035184423f4

Analysis

max time kernel
120s
max time network
121s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
08-10-2024 05:59

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General

Target

$PLUGINSDIR/System.dll
Size

11KB
MD5

00a0194c20ee912257df53bfe258ee4a
SHA1

d7b4e319bc5119024690dc8230b9cc919b1b86b2
SHA256

dc4da2ccadb11099076926b02764b2b44ad8f97cd32337421a4cc21a3f5448f3
SHA512

3b38a2c17996c3b77ebf7b858a6c37415615e756792132878d8eddbd13cb06710b7da0e8b58104768f8e475fc93e8b44b3b1ab6f70ddf52edee111aaf5ef5667
SSDEEP

192:7DKnJZCv6VmbJQC+tFiUdK7ckD4gRXKQx+LQ2CSF:7ViJrtFRdbmXK8+PCw

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

1768 1836 WerFault.exe rundll32.exe
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

Processes:

rundll32.exe

description ioc process

Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language rundll32.exe

pid	pid_target	process	target process
1768	1836	WerFault.exe	rundll32.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

rundll32.exerundll32.exe

description	pid	process	target process
PID 1840 wrote to memory of 1836	1840	rundll32.exe	rundll32.exe
PID 1840 wrote to memory of 1836	1840	rundll32.exe	rundll32.exe
PID 1840 wrote to memory of 1836	1840	rundll32.exe	rundll32.exe
PID 1840 wrote to memory of 1836	1840	rundll32.exe	rundll32.exe
PID 1840 wrote to memory of 1836	1840	rundll32.exe	rundll32.exe
PID 1840 wrote to memory of 1836	1840	rundll32.exe	rundll32.exe
PID 1840 wrote to memory of 1836	1840	rundll32.exe	rundll32.exe
PID 1836 wrote to memory of 1768	1836	rundll32.exe	WerFault.exe
PID 1836 wrote to memory of 1768	1836	rundll32.exe	WerFault.exe
PID 1836 wrote to memory of 1768	1836	rundll32.exe	WerFault.exe
PID 1836 wrote to memory of 1768	1836	rundll32.exe	WerFault.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1840
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1836
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1836 -s 224
    3⤵
    - Program crash
    PID:1768

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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