4ac8f0aeb61d87847f440182814dd44632e1be3c11798c7b8f952380435a4f6c

Analysis

max time kernel
598s
max time network
439s
platform
windows10-2004_x64
resource
win10v2004-20260513-en
resource tags

arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
submitted
07/08/2026, 13:43

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General

Target
$PLUGINSDIR/api-ms-win-crt-heap-l1-1-0.dll
Size 18KB
Sample260807-q1ewfseq4x
SHA256 4ac8f0aeb61d87847f440182814dd44632e1be3c11798c7b8f952380435a4f6c
MD5 7d8d480c370ca584a317095c7151197b
SHA1 07b9f70601f584a6d7d97d51f9202245f85a641b
SHA512 b25019de6a35019f00bf9d9767f12c87efea625ebb1d9ccd11b435afc25dd676b38db879165524ee2fd064df90791c5d89ff6900c2d7d6682ce0ad845966b706
SSDEEP 384:rY3eBW1hWpPYHNfPfLeEdtpBjdYPmf3aGSIle97YL:/QoYBbeElrYPmSG6p0
TLSH
T1C6823887CEBCA543F9D72E7063E8D9837D3E97C76D418126406AE1A829C33D0AB2552C
MD5 SHA1 SHA512 SSDEEP TLSH

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2612	5044	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 1976 wrote to memory of 5044	1976	rundll32.exe	85

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\api-ms-win-crt-heap-l1-1-0.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1976
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\api-ms-win-crt-heap-l1-1-0.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:5044
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 5044 -s 600
    3⤵
    - Program crash
    PID:2612

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 5044 -ip 5044
1⤵
PID:1608

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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