8204c13c8893456a05472e907ac01d81786d0a3d8d89caa3c06e9b264713fc0d

Analysis

max time kernel
140s
max time network
126s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
17-10-2024 18:19

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General

Target

$PLUGINSDIR/util_ex.dll
Size

776KB
MD5

80b2e3d8a6a283c2019bf239a60cbbc5
SHA1

a6b63dce1cb4741f443332a7ccb52031088918ee
SHA256

cd564402cfe6744b2f9fe8df895fa9f30650c9061a4e4ec1bc71603ce1bc031d
SHA512

c7c645939a5e237393958a75f39f7c9990116967aa9cc3388b7b14370ccca0c839f6579a56cf8bce08ba43ce847a0d6046a8a43730680e261a61ca0d401558c2
SSDEEP

12288:gnpNIoldAkQzJ9JePTgiqmKW8wYfkFHR7QcVGMp8c6Gh+CA1bGk45NdwvG2:gfg9Ur+Wuc54MJ4CKGkgW

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4624	1564	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 4912 wrote to memory of 1564	4912	rundll32.exe	84
PID 4912 wrote to memory of 1564	4912	rundll32.exe	84
PID 4912 wrote to memory of 1564	4912	rundll32.exe	84

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\util_ex.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4912
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\util_ex.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1564
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1564 -s 624
    3⤵
    - Program crash
    PID:4624

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 1564 -ip 1564
1⤵
PID:3264

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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