eea2235845ec4a401f3c0ecd23a0fb72f8160c78a665a02e4ca2b79d5ec109ab

Analysis

max time kernel
149s
max time network
154s
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, 09:13

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General

Target
$PLUGINSDIR/System.dll
Size 27KB
Sample260916-k66cpswtft
SHA256 eea2235845ec4a401f3c0ecd23a0fb72f8160c78a665a02e4ca2b79d5ec109ab
MD5 e4cc464438a5a9db63482644d6b06569
SHA1 4c4311345ebdb58526c51efa9a8e8bec1ec9ab66
SHA512 75f37c00710b5357339ad488cded748508a65694340c293ce205e9b6452b58dbbfaf4fa125b8c7a7bacbc08f81b376a513370017f053db099a990b09c49eef85
SSDEEP 768:EaeiijipN+NtNmPuBL2Ip4sGTxf1ml9dHgjLFq:Je9iD+NtNxi9smfIbHgvFq
TLSH
T109C26DC64A3880A3FA539D30A2E8ED93BF7D57D728D549B369E791C119063C3F32A146
MD5 SHA1 SHA512 SSDEEP TLSH

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4928	4836	WerFault.exe	85

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 1548 wrote to memory of 4836	1548	rundll32.exe	85

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1548
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4836
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4836 -s 612
    3⤵
    - Program crash
    PID:4928

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 4836 -ip 4836
1⤵
PID:3716

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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