75b8eae29ab9acc906aafac2a198fe875d34c22b40acace1cd6c3486d67333ef

Analysis

max time kernel
149s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20260513-en
resource tags

arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
submitted
04/07/2026, 12:24

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General

Target
api-ms-win-core-interlocked-l1-1-0.dll
Size 11KB
Sample260704-plefpsfs9v
SHA256 75b8eae29ab9acc906aafac2a198fe875d34c22b40acace1cd6c3486d67333ef
MD5 8a6c74b9a1db0d730af45be603d233c8
SHA1 a6a3e80afeefcc9b34703c6a8ea2c0a94fe998e6
SHA512 8f2e6be6a08e393acdb7e50687d6e6faefa9243855d92018bc9be5ffead022e4df96d2d51042a1e2d6d2eadcb88e27f7f4aea8a5314f8fb32c05cb9cededcd99
SSDEEP 192:ClYsFqWOhW+T71ojDBQABJsgqnajLQvTP+8jIrS:ClYsFqWOhWvDBRJsglvQyUIrS
TLSH
T155423BC58BF8A442F6A66E7003A8E6837D3D63C518204116079BF6ED2CDB7C6EB10B5D
MD5 SHA1 SHA512 SSDEEP TLSH

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3932	2104	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 4788 wrote to memory of 2104	4788	rundll32.exe	85

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\api-ms-win-core-interlocked-l1-1-0.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4788
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\api-ms-win-core-interlocked-l1-1-0.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2104
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2104 -s 600
    3⤵
    - Program crash
    PID:3932

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 2104 -ip 2104
1⤵
PID:3924

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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