0568e45dfc54c298f485c20a0a309764fc0008fd525e20e524d8ab00c348056e

Analysis

max time kernel
120s
max time network
123s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
22-11-2024 15:27

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

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

1600 1992 WerFault.exe rundll32.exe
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

Processes:

rundll32.exe

description ioc process

Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language rundll32.exe

pid	pid_target	process	target process
1600	1992	WerFault.exe	rundll32.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

rundll32.exerundll32.exe

description	pid	process	target process
PID 2364 wrote to memory of 1992	2364	rundll32.exe	rundll32.exe
PID 2364 wrote to memory of 1992	2364	rundll32.exe	rundll32.exe
PID 2364 wrote to memory of 1992	2364	rundll32.exe	rundll32.exe
PID 2364 wrote to memory of 1992	2364	rundll32.exe	rundll32.exe
PID 2364 wrote to memory of 1992	2364	rundll32.exe	rundll32.exe
PID 2364 wrote to memory of 1992	2364	rundll32.exe	rundll32.exe
PID 2364 wrote to memory of 1992	2364	rundll32.exe	rundll32.exe
PID 1992 wrote to memory of 1600	1992	rundll32.exe	WerFault.exe
PID 1992 wrote to memory of 1600	1992	rundll32.exe	WerFault.exe
PID 1992 wrote to memory of 1600	1992	rundll32.exe	WerFault.exe
PID 1992 wrote to memory of 1600	1992	rundll32.exe	WerFault.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\_myio.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2364
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\_myio.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1992
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1992 -s 232
    3⤵
    - Program crash
    PID:1600

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

System Language Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

memory/1992-0-0x0000000000200000-0x0000000000212000-memory.dmp

Filesize
72KB

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