ac81b1ab55c9e0c544dd8f1d32fab1ac7f1fcdef2f439ffc0c9079524fe0cbd0

Analysis

max time kernel
149s
max time network
143s
platform
windows10-2004_x64
resource
win10v2004-20260911-en
resource tags

arch:x64arch:x86image:win10v2004-20260911-enlocale:en-usos:windows10-2004-x64systemwindows
submitted
17/10/2026, 04:24

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General

Target
ac81b1ab55c9e0c544dd8f1d32fab1ac7f1fcdef2f439ffc0c9079524fe0cbd0.dll
Size 333KB
Sample261017-e1nmtasv6m
SHA256 ac81b1ab55c9e0c544dd8f1d32fab1ac7f1fcdef2f439ffc0c9079524fe0cbd0
MD5 ae1907bd1038ce0f8c988b15184a2a82
SHA1 87e511b310150b5de265fdcebcf83a09847f86a6
SHA512 7d392dd55f3ef7a0d9b522ce6874b69523233fd507db2564c953618cf44d92d61008be4ebf64abb3e3f5d7bc322316522b9970b67782fd6e0913ee146cb13643
SSDEEP 6144:eCMrYE2uLhIklZ0O7UJT0r3WOzV4HdFX9x7/o41gbx1yooooooonooooOWoooooy:suA0sUd07WYudFXLX1gP
TLSH
T1A4746B20BB52C232E8DA8672983C6B5E11AFF5650BD950C3FFB4956D9DA10D22F3434B
MD5 SHA1 SHA512 SSDEEP TLSH

Score

3^/10

discovery

Malware Config

Signatures

Program crash 2 IoCs

pid	pid_target	Process	procid_target
728	3824	WerFault.exe	86
1444	3824	WerFault.exe	86

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 2288 wrote to memory of 3824	2288	rundll32.exe	86

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\ac81b1ab55c9e0c544dd8f1d32fab1ac7f1fcdef2f439ffc0c9079524fe0cbd0.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2288
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\ac81b1ab55c9e0c544dd8f1d32fab1ac7f1fcdef2f439ffc0c9079524fe0cbd0.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3824
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3824 -s 576
    3⤵
    - Program crash
    PID:728
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3824 -s 836
    3⤵
    - Program crash
    PID:1444

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3824 -ip 3824
1⤵
PID:2316

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 368 -p 3824 -ip 3824
1⤵
PID:3464

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

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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