e6fa39becfb3ec790226e501dc2acfd180ed74eadeadb6250bfdff57a9ee9adc

Analysis

max time kernel
149s
max time network
97s
platform
windows11-21h2_x64
resource
win11-20260130-en
resource tags

arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows
submitted
24/04/2026, 03:57

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General

Target
core.dll
Size 27.8MB
Sample260424-ejezcaet4y
SHA256 e6fa39becfb3ec790226e501dc2acfd180ed74eadeadb6250bfdff57a9ee9adc
MD5 1a625b19f3347153176b758c07b7183c
SHA1 71d58c6aeb3c941a06af1726005d43f6a9c8e7ce
SHA512 34846b48afa5fadd96046906a24a258268b50a0b6248fae908773b263df8c8d19809387745b9cc507f1f565a96938aefd6ff74b0b3f24054629f6d32f4deaee5
SSDEEP 786432:tbNf/sRr7WlUL8rkziGhilStfPq3trCE4t+mShBU97ICoh:BNf/sRrqi8rkziGhilStfQCE3mShBU9u
TLSH
T158577C22B412C031EAD201F3A5BD7FB9559C8630237E94DBA6C43E2999606E33B35F57
MD5 SHA1 SHA512 SSDEEP TLSH

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2928	3248	WerFault.exe	79

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 5060 wrote to memory of 3248	5060	rundll32.exe	79

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\core.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:5060
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\core.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3248
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3248 -s 648
    3⤵
    - Program crash
    PID:2928

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3248 -ip 3248
1⤵
PID:4328

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/3248-0-0x0000000000570000-0x00000000005BA000-memory.dmp

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