53e135d7af8ed00e2819b9dd44210d3b9980df8ff2f52652bb27d69cd37c0196

Analysis

max time kernel
60s
max time network
69s
platform
windows10-ltsc 2021_x64
resource
win10ltsc2021-20241211-en
resource tags

arch:x64arch:x86image:win10ltsc2021-20241211-enlocale:en-usos:windows10-ltsc 2021-x64system
submitted
06-01-2025 19:26

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General

Target

Resources/vclx120.dll
Size

223KB
MD5

8aaa3926885b3fa7ae0448f5e700cb79
SHA1

47bd7d281ddde5ebef8599482212743bf2f7e67b
SHA256

47396c301fbe78bfaf9e344936a0f7a4e6d174c096f847e160d822e48012162d
SHA512

86d395ca89ec2a988f035ecb32640ddac99247e2568673246388fe310e8c3a44807049e8f3482fae86c453d5e3529a8f2daf8614a1086b6d979e64fd917bbe3a
SSDEEP

3072:f4af8kXL6nX0YXjvkWQ5vYhbNkWPFOEJ8YZbjeTl0Y25zFgYBzRKy6sB65avEtAf:Qaf8kLWL7Xov8bNxdOmrfgYmHA6G

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2612	824	WerFault.exe	81

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 4676 wrote to memory of 824	4676	rundll32.exe	81
PID 4676 wrote to memory of 824	4676	rundll32.exe	81
PID 4676 wrote to memory of 824	4676	rundll32.exe	81

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\Resources\vclx120.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4676
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\Resources\vclx120.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:824
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 824 -s 676
    3⤵
    - Program crash
    PID:2612

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 464 -p 824 -ip 824
1⤵
PID:2436

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

Replay Monitor

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Downloads

memory/824-0-0x0000000050310000-0x0000000050349000-memory.dmp

Filesize
228KB

Download
memory/824-1-0x0000000050000000-0x0000000050116000-memory.dmp

Filesize
1.1MB

Download
memory/824-2-0x0000000050120000-0x000000005030D000-memory.dmp

Filesize
1.9MB

Download