7855b8fbae917cb8449f2d4361ab61b5ecec4df0a11130d797cb0aa99b4260ea

Analysis

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

arch:x64arch:x86image:win10v2004-20260911-enlocale:en-usos:windows10-2004-x64systemwindows
submitted
16/09/2026, 16:07

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General

Target
mss32_original.dll
Size 362KB
Sample260916-tkrf4adk4w
SHA256 7855b8fbae917cb8449f2d4361ab61b5ecec4df0a11130d797cb0aa99b4260ea
MD5 299be9656aec687795e429a7000facc9
SHA1 1b4c0c4faddcdae5b7239cc861a9389d55f38a4e
SHA512 a6c3a366760baaa321bf69ed4646f012cfbfb39ac49e2307cd06baa1f10fa1b7500e5441e8f03af4e47daa5aa479637dce7c3fa7e0adfbda9287acaa1adaada6
SSDEEP 6144:jSaFOjOkDR+SHiQd0e0xig4p+ZFAQHJ4aHrmtcNAOKTubfwZ:jSA41R+SCQd0zEg4pMFXqaHrmtcNHfw
TLSH
T124746A4175D045F2CCCA3E32A56B333A283BF729465A8627A785D8C0DD53E40FB8A677
MD5 SHA1 SHA512 SSDEEP TLSH

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4248	2204	WerFault.exe	83

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 804 wrote to memory of 2204	804	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\mss32_original.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:804
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\mss32_original.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2204
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2204 -s 616
    3⤵
    - Program crash
    PID:4248

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2204 -ip 2204
1⤵
PID:4224

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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