b462b8f1fe3ae1c41dc87eb503ab0c5732173acac6154b25af878fc13e60eab3

Analysis

max time kernel
142s
max time network
19s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
25/09/2024, 14:20

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General

Target

MSTAQConverter/艾奇MTS视频格式转换器/Bin/AQdll/avcodec-52.dll
Size

8.0MB
MD5

5b4615f10b44b4a32b32fbcbb779f3ad
SHA1

372a8a3edf44a1e13fe4c3a2d340e5c251c40047
SHA256

a616b951b619418c619dc0e549c5b763a6b1e1adbec6b7078071e5f0239e6529
SHA512

03779419aba03d09db97ec7179ff1e7f90de969feec84599011eef8b0ed41457e2c61204b3effdf7bed6472d9c6fca1f7c9afbe333bac77fd5df9e351fc0077c
SSDEEP

196608:fxU2ht7wfO41A8Eb3inH8U/lTQMlFCRKAg/y02Pk8igJd5gMNUXd4hKBJJnXzxnz:5U27TCcMOYMNg3JkVFnG

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2940	1600	WerFault.exe	29

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 11 IoCs

description	pid	Process	procid_target
PID 2468 wrote to memory of 1600	2468	rundll32.exe	29
PID 2468 wrote to memory of 1600	2468	rundll32.exe	29
PID 2468 wrote to memory of 1600	2468	rundll32.exe	29
PID 2468 wrote to memory of 1600	2468	rundll32.exe	29
PID 2468 wrote to memory of 1600	2468	rundll32.exe	29
PID 2468 wrote to memory of 1600	2468	rundll32.exe	29
PID 2468 wrote to memory of 1600	2468	rundll32.exe	29
PID 1600 wrote to memory of 2940	1600	rundll32.exe	30
PID 1600 wrote to memory of 2940	1600	rundll32.exe	30
PID 1600 wrote to memory of 2940	1600	rundll32.exe	30
PID 1600 wrote to memory of 2940	1600	rundll32.exe	30

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\MSTAQConverter\艾奇MTS视频格式转换器\Bin\AQdll\avcodec-52.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2468
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\MSTAQConverter\艾奇MTS视频格式转换器\Bin\AQdll\avcodec-52.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1600
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1600 -s 228
    3⤵
    - Program crash
    PID:2940

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

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Downloads

memory/1600-0-0x000000006AD40000-0x000000006B8F3000-memory.dmp

Filesize
11.7MB

Download
memory/1600-1-0x000000006AD40000-0x000000006B8F3000-memory.dmp

Filesize
11.7MB

Download
memory/1600-3-0x0000000063D00000-0x0000000063D1B000-memory.dmp

Filesize
108KB

Download