22a7a589ea5387396db7354ac92a32119e03c00846e84455ec70fd1a286a6962

Analysis

max time kernel
135s
max time network
128s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
20-08-2024 09:20

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General

Target

$0/wyeke.dll
Size

576KB
MD5

a3e81d34ec9f250c370e3d45031027f5
SHA1

4c3bec6d38b1da6c2caeac6a12f6273607e196b6
SHA256

515efe62a3f81595545ae1143fad458a8fbf6e1f9365b59b9bb6191339ffefb9
SHA512

bfaf81f6086426ed376b90430e95c0db7a4866575aa8ce9b545c1123a8f02a80b4679ba466c542d47da74d27d1c03efb1014f9d44112a568a048a8646c3188d8
SSDEEP

12288:gl+9cuPuAJDI/GG7BR/q/4OgA7xugkXM6uqQDGqNLLPyvRdSuhxd:Q+6umAq/tOwOl7ntbXNLGZdSuPd

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
752	1412	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 3 IoCs

description	pid	Process	procid_target
PID 3716 wrote to memory of 1412	3716	rundll32.exe	85
PID 3716 wrote to memory of 1412	3716	rundll32.exe	85
PID 3716 wrote to memory of 1412	3716	rundll32.exe	85

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$0\wyeke.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3716
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\$0\wyeke.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1412
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1412 -s 672
    3⤵
    - Program crash
    PID:752

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1412 -ip 1412
1⤵
PID:2172

Network

MITRE ATT&CK Enterprise v15

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

Replay Monitor

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Downloads

memory/1412-0-0x0000000002C40000-0x0000000002CC2000-memory.dmp

Filesize
520KB

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