8af1afc82c0d578a54cc34d09544a0695ec2b0d5f244bf1f1bb4993ee7614734

Analysis

max time kernel
148s
max time network
148s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
04/08/2026, 03:23

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General

Target
sys_81242b01.dll
Size 3.7MB
Sample260804-dxm2favtbx
SHA256 8af1afc82c0d578a54cc34d09544a0695ec2b0d5f244bf1f1bb4993ee7614734
MD5 a8e9a638aa9e1c2d73f3432b997d7a7f
SHA1 1b316a7c4fcdae8248f65f14098fec3ade135eff
SHA512 acf1ea43c49f6f63e7ab66d0cca3c1cfd9004060a9e9f65984f90c169aa875d21f87f21242df5ac113b26b61276be5682696fdfb070c0c582851ccbec0dd3ced
SSDEEP 98304:0iIjOrjmQJLHdRq65o8vgTKBvQRUy4jH:0GPJq05fMUy4j
TLSH
T1F506335C096E8EF4E329FC71EFC5EB68882C313F09827132BE2C61279B5E4731995859
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

discovery

Malware Config

Signatures

Loads dropped DLL 1 IoCs

pid	Process
3144	rundll32.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4336	3144	WerFault.exe	88

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 1 IoCs

description	pid	Process	procid_target
PID 4372 wrote to memory of 3144	4372	rundll32.exe	88

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\sys_81242b01.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4372
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\sys_81242b01.dll,#1
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  PID:3144
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3144 -s 508
    3⤵
    - Program crash
    PID:4336

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 3144 -ip 3144
1⤵
PID:2516

Network

MITRE ATT&CK Enterprise v16

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

core.dll

Path C:\Users\Admin\AppData\Local\core.dll
Size 3.7MB
SHA256 2b7a4b4684c2f0e8aa41a770b94c96f2892bd1b4c56d9e9a3ed8b37c8556b983
MD5 0c3ad509f81eab34888349908a7ef7d6
SHA1 22f854391d9c59fa45b4589d91af8cddbd114eea
SHA512 1bfe61096a9d438168ee5bbb469962dcecb0ce46916ce398218081f4a27459f605758c2734c2303854c9882ce6142e8d2d4ecf09bfbc6c8048e11e8d43559285
SSDEEP 98304:uGSNz6L2yR3/ISGX8fxdJ36JDBpQvF3mixPyLZgpe:uGYmzR88rtqBg3OGpe
TLSH
T12B06230DC506C966CF5427701CDE1FDE39680FC8C09CEC6E697988A29FDA66E247D29C
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/3144-5-0x0000000074D80000-0x000000007513B000-memory.dmp

Download

memory/3144-6-0x00000000749C0000-0x0000000074D78000-memory.dmp