b59e1e75d9647357e686f077470054688d2b130e08dfc7ab9763ae22b83b2109

Analysis

max time kernel
139s
max time network
126s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
11/08/2024, 22:27

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General

Target

$PLUGINSDIR/ext.dll
Size

84KB
MD5

e9e87ea109620f5afa4ff48cbb47260b
SHA1

0757b87eeffafc30ad2145a4e2eaf7e2a8b301a9
SHA256

f5ba1c0d227e01ec1352794c69163687c5176ec5d1d3cf304d5d4b39ceedecae
SHA512

491fd6ec873c8c3797fa59885c26a226056cbc1be87c116a8755bc55ed7436bc311811e9dc4182457699002eb63cd93d7275334feb3a576aedb9aee9e5f6b94a
SSDEEP

1536:yuUPpl1FaoDRbROaLlGxgo4dsLhwzi2RjRlyVYDfc+OSHmu:yBpl1FPJRFlBPRFlyVK0+OSGu

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1488	1100	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 3196 wrote to memory of 1100	3196	rundll32.exe	84
PID 3196 wrote to memory of 1100	3196	rundll32.exe	84
PID 3196 wrote to memory of 1100	3196	rundll32.exe	84

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\ext.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3196
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\ext.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1100
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1100 -s 620
    3⤵
    - Program crash
    PID:1488

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 1100 -ip 1100
1⤵
PID:4456

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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