8c6a3b280f110c323cfaa281569c10755705e352d6d08d00b995f157a39e4934

Analysis

max time kernel
92s
max time network
93s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
24-11-2024 06:56

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General

Target

$PLUGINSDIR/mjqhvtbt.dll
Size

20KB
MD5

1a9611c5ff84796e5f45f376fda7e9e6
SHA1

aae18ef74846e00aa86afd85cd05a6c9b1ce74f7
SHA256

2843909e5427e33eeb2e5bee514511af65c37058b2b3776de91a4ce305a21763
SHA512

3fafd65ecd1360ed8e990bf17332f0d9a3842c95d2cc9d697d943be90da4d0aa273e9693c33aec77f207c8512c74f29bb5e36ac693e35ffd1070072e7b27fd3e
SSDEEP

384:kOIgfp9pjDJGaf6oYgH67NpFNxVBi//H:kOIgfp9V05zx3NbYH

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

Processes:

WerFault.exe

pid	pid_target	Process	procid_target
1992	432	WerFault.exe	83

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

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

rundll32.exerundll32.exe

description	pid	Process	procid_target
PID 448 wrote to memory of 432	448	rundll32.exe	83
PID 448 wrote to memory of 432	448	rundll32.exe	83
PID 448 wrote to memory of 432	448	rundll32.exe	83
PID 432 wrote to memory of 4832	432	rundll32.exe	84
PID 432 wrote to memory of 4832	432	rundll32.exe	84
PID 432 wrote to memory of 4832	432	rundll32.exe	84
PID 432 wrote to memory of 4832	432	rundll32.exe	84

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\mjqhvtbt.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:448
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\mjqhvtbt.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:432
- - C:\Windows\SysWOW64\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\mjqhvtbt.dll,#1
    3⤵
    PID:4832
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 432 -s 748
    3⤵
    - Program crash
    PID:1992

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 368 -p 432 -ip 432
1⤵
PID:4292

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/432-0-0x0000000074B85000-0x0000000074B87000-memory.dmp

Filesize
8KB

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