f16cf5c1ee6653e58cd6cac99c20b11ef4778179310ac9cb469bf3317d6103d2

Analysis

max time kernel
149s
max time network
115s
platform
windows11-21h2_x64
resource
win11-20260130-en
resource tags

arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows
submitted
09/05/2026, 08:46

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General

Target
f16cf5c1ee6653e58cd6cac99c20b11ef4778179310ac9cb469bf3317d6103d2.dll
Size 840KB
Sample260509-kppcvsdx2v
SHA256 f16cf5c1ee6653e58cd6cac99c20b11ef4778179310ac9cb469bf3317d6103d2
MD5 c0a8f99b9eefd73d83ddefcd68e1a1cb
SHA1 ee5948ad06c17830beba9509ca6f621faa8a9678
SHA512 bdc1264b507423a46a211aaf30b54d9060e60e1c0827ab1a47553ad08613736edb57dacf93c08d27703ab0f68fc24ede949a8dba5457a0f0a0f1766ce1ebe7d5
SSDEEP 12288:eEriq/vUVs0m0peeyAYZJBLM18QH8F5/tPoCD3kGSMXcRLr9xm/YNAhQWT8eEUWm:DGeeyF+MXcFUYqJTpdr
TLSH
T1B8054D009141513AF9B700B69AFB955C76A9AF902314D0E797C8747F9BB7AD23F3022B
MD5 SHA1 SHA512 SSDEEP TLSH

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3772	4400	WerFault.exe	80

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 956 wrote to memory of 4400	956	rundll32.exe	80

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\f16cf5c1ee6653e58cd6cac99c20b11ef4778179310ac9cb469bf3317d6103d2.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:956
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\f16cf5c1ee6653e58cd6cac99c20b11ef4778179310ac9cb469bf3317d6103d2.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4400
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4400 -s 564
    3⤵
    - Program crash
    PID:3772

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 4400 -ip 4400
1⤵
PID:812

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/4400-0-0x00000000020F0000-0x000000000237B000-memory.dmp

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