0568e45dfc54c298f485c20a0a309764fc0008fd525e20e524d8ab00c348056e

Analysis

max time kernel
399s
max time network
442s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
22-11-2024 14:53

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General

Target

_myio.dll
Size

711KB
MD5

517840868dc9466c94a1e352d3cd5a21
SHA1

5901f5bbb72e7cb6b225b68f7daeef4556fd8454
SHA256

c0e001985d9470c6703c92f08a0f46877140e07ff00cef5dcd89c78a2cb8d377
SHA512

7ebe5c472c6f62c47a76619c7bf83f64103352115f79496e6b552dd1a1ff6702263cad180c67040c1a1da562060011ddc30f1e9b52c3ee23fa83297382e6e43a
SSDEEP

12288:OK5Bf2+ou55C9PpM27PZ1QdczLjsRWl/nC5aEtfiIbpYIH9F/grvVfXnNJgD:Ow5rrCdpXPzUcz2WlW5pYw/grt/e

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4960	444	WerFault.exe	82

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 2592 wrote to memory of 444	2592	rundll32.exe	82
PID 2592 wrote to memory of 444	2592	rundll32.exe	82
PID 2592 wrote to memory of 444	2592	rundll32.exe	82

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\_myio.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2592
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\_myio.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:444
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 444 -s 612
    3⤵
    - Program crash
    PID:4960

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 444 -ip 444
1⤵
PID:2000

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/444-0-0x0000000000860000-0x0000000000872000-memory.dmp

Filesize
72KB

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