20a45fa6c17c9e8461522886352a440c2c00a6a16075004f3d731876631c3696

Analysis

max time kernel
140s
max time network
126s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
11/08/2024, 20:28

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General

Target

LhLogSvr.dll
Size

81KB
MD5

1fe6a9bc475c6fe35b3bf563e36fd6bc
SHA1

81adfc071bfb2dbdbc57ba8bfedabba9e6137b97
SHA256

2893921427d24518d09fb377e21389dcceb2d9ae545d6cd44cb1ed33ba62a643
SHA512

851072c70ed14424800a131c4bb10c80c0e61732cbcc29ff8115347ccef2fb5451a5844f38d58f7d3cabb8d0fb9035ae868ec490449e207e2ea405173e2d2379
SSDEEP

1536:BKJ4aC0fkExx3LSOTcXbD/DKPhbwCcj22NulPaNCC:BK7SOqDOhbwFC2Nulif

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1532	3160	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 5064 wrote to memory of 3160	5064	rundll32.exe	85
PID 5064 wrote to memory of 3160	5064	rundll32.exe	85
PID 5064 wrote to memory of 3160	5064	rundll32.exe	85

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\LhLogSvr.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:5064
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\LhLogSvr.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3160
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3160 -s 640
    3⤵
    - Program crash
    PID:1532

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 364 -p 3160 -ip 3160
1⤵
PID:2748

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/3160-0-0x0000000000DF0000-0x0000000000E00000-memory.dmp

Filesize
64KB

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