2d1004768b0fa80ef6c8e33fedbd30736ae1493cda7e5e2fccae315fd63ad8ea

Analysis

max time kernel
149s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20260130-en
resource tags

arch:x64arch:x86image:win10v2004-20260130-enlocale:en-usos:windows10-2004-x64systemwindows
submitted
08/05/2026, 00:26

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General

Target
$PLUGINSDIR/api-ms-win-crt-filesystem-l1-1-0.dll
Size 20KB
Sample260508-aramdafv7k
SHA256 2d1004768b0fa80ef6c8e33fedbd30736ae1493cda7e5e2fccae315fd63ad8ea
MD5 2202845ea85b66d2b00671b2c266fad0
SHA1 ecf05dac40eb1728bc6c621f7c8d0480effb02ba
SHA512 e88d44cac607440c6dbc556a0ed52136bc5bc30da441dd3f51854042a6e4cda236709e47c9ecd29ad2ce212136f9e1890351386dbe682e3a9c3144c1cc0c1bb6
SSDEEP 384:eq6nWm5CdWEhWX9EA0GftpBjdxTERHRN7BD2ml5AlZa:f6nWm5CFfinxTEBBqRS
TLSH
T170A2188746E8AD93ED931F7062FCDF877E3D6BC209514521805AE4A839D33C1AF2586D
MD5 SHA1 SHA512 SSDEEP TLSH

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
5868	4776	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 4744 wrote to memory of 4776	4744	rundll32.exe	85

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\api-ms-win-crt-filesystem-l1-1-0.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4744
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\api-ms-win-crt-filesystem-l1-1-0.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4776
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4776 -s 600
    3⤵
    - Program crash
    PID:5868

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 4776 -ip 4776
1⤵
PID:5320

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/4776-0-0x0000000000C00000-0x0000000000C3B000-memory.dmp

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