b7859ee0dfecc9481c79be38918a03866b2c8564f9bb1d51c1eec088d804004f

Analysis

max time kernel
149s
max time network
146s
platform
windows10-2004_x64
resource
win10v2004-20260513-en
resource tags

arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
submitted
29/07/2026, 03:53

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General

Target
b7859ee0dfecc9481c79be38918a03866b2c8564f9bb1d51c1eec088d804004f.dll
Size 487KB
Sample260729-eftnbstdrg
SHA256 b7859ee0dfecc9481c79be38918a03866b2c8564f9bb1d51c1eec088d804004f
MD5 f8d172f3197db934244a15d2ccb6adce
SHA1 a3f73474c769ca4f7210e87333f91667773cf17a
SHA512 c7ee1c26115fabc2d1b7c88e8013b4e2abf3525a12a2056fb23eb83f1d018d34d5fb5b99bdb4e2ee2ab70550ca0c6b622aa514ed9de317b29f3680c6c67f5055
SSDEEP 6144:ktg21u87/ZaMtHl0y4WEeziwMyQtSGaIf55eF32tg:k5XHkwMztIA5cw
TLSH
T127B46D11F286A4B6D82347390C9BB37A2725FA518325CF17E70CDE0C6AB3BE23965355
MD5 SHA1 SHA512 SSDEEP TLSH

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1720	2340	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 2588 wrote to memory of 2340	2588	rundll32.exe	86

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\b7859ee0dfecc9481c79be38918a03866b2c8564f9bb1d51c1eec088d804004f.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2588
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\b7859ee0dfecc9481c79be38918a03866b2c8564f9bb1d51c1eec088d804004f.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2340
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2340 -s 640
    3⤵
    - Program crash
    PID:1720

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2340 -ip 2340
1⤵
PID:3156

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

memory/2340-0-0x00000000758A0000-0x00000000758BD000-memory.dmp

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