691a4ef8de97def45137f16abc63275d1688aa76ff9be9dd1d9e66d318a3abd1

Analysis

max time kernel
148s
max time network
127s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260911-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
01/10/2026, 14:34

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General

Target
691a4ef8de97def45137f16abc63275d1688aa76ff9be9dd1d9e66d318a3abd1.dll
Size 132KB
Sample261001-rxelysec39
SHA256 691a4ef8de97def45137f16abc63275d1688aa76ff9be9dd1d9e66d318a3abd1
MD5 64d183ec0dfe8881cc704f56f1ec331b
SHA1 b8c52b7148baf98b5e1bf90b2ffa3189d9c096b8
SHA512 de9a8d8dbb8c4681c18f8323546e8b3a14cbeabe94626ef2fcd1172a111cb50eff546b119f9b58c448be42fa17c84ab571686c08d4738e49847444d193b8db1f
SSDEEP 3072:SpeROmVCJGU9i6z3C1/+VtBqjdLrguhPJbr6zbIR:HV+GU9/5uh7
TLSH
T15ED3D619F7669463E836963408AFF77AA119BD3143358D5AFF00CBAC3173AE0E525392
MD5 SHA1 SHA512 SSDEEP TLSH

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4104	4028	WerFault.exe	87

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 3024 wrote to memory of 4028	3024	rundll32.exe	87

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\691a4ef8de97def45137f16abc63275d1688aa76ff9be9dd1d9e66d318a3abd1.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3024
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\691a4ef8de97def45137f16abc63275d1688aa76ff9be9dd1d9e66d318a3abd1.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4028
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4028 -s 592
    3⤵
    - Program crash
    PID:4104

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 244 -p 4028 -ip 4028
1⤵
PID:3388

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

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Downloads

memory/4028-0-0x0000000075220000-0x0000000075242000-memory.dmp

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