0b85a0202bffe1551435d7d507bf67e452d701ddf3736df8655014a3157b4522

Analysis

max time kernel
93s
max time network
95s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
07/08/2024, 07:54

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General

Target

RtlIhvOid.dll
Size

263KB
MD5

513891ae7439d3fcf1eeb4a04c3df3fe
SHA1

9eefae9eca58b112b990ffaae62901a8444fa57d
SHA256

d9c5435cba78b92aad87d98c3f33a39b9df10a2ac989d51b01cca2404049fef2
SHA512

60591c10fdb77642c78da73574d36bbfe31b53f161197cc22bcef665f2d1abdabfe0877de085831eaf54a646bbb39e281d94ec4134c280c0c17d66670aaecc79
SSDEEP

6144:+wOvNGMHRaTXJwS2FH4LmIe+MJYlrwnZOyQ:mvNPj9AMJYlrwIp

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
468	2596	WerFault.exe	84

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 3744 wrote to memory of 2596	3744	rundll32.exe	84
PID 3744 wrote to memory of 2596	3744	rundll32.exe	84
PID 3744 wrote to memory of 2596	3744	rundll32.exe	84

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\RtlIhvOid.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3744
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\RtlIhvOid.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2596
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2596 -s 708
    3⤵
    - Program crash
    PID:468

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 2596 -ip 2596
1⤵
PID:4164

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

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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