c356e018d6a9fc7d3f1d2159236ac41196d6b96533afd84be7b961af67b31ce7

Analysis

max time kernel
150s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
11/09/2024, 13:20

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General

Target

TTPlayer/AddIn/tvqdec.dll
Size

560KB
MD5

cf56deabdc61d8d3a3d305393638dea5
SHA1

19fc2f36638f0aa8c28b35c30098e3bf56b122b7
SHA256

45aaced6f552f73be099c91ecf17ba4611050607961896217864cada9efe8fef
SHA512

5df26206370180aa5904ea7d59377bba6f305ed44b754421f89b06884587cc0ea5ec3bd646f9b341a09b2be0e2fd66e0c4cdfeeb1d70aead7023639d70dd4891
SSDEEP

12288:oAlJu8vZLfIzUipVPgJ0//B9wEi9vKpzp2ZVNF5BBceV8z5:oADuA1ywJgCl9yppoVD5BBceV8z5

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4232	5016	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

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 1868 wrote to memory of 5016	1868	rundll32.exe	83
PID 1868 wrote to memory of 5016	1868	rundll32.exe	83
PID 1868 wrote to memory of 5016	1868	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\TTPlayer\AddIn\tvqdec.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1868
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\TTPlayer\AddIn\tvqdec.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:5016
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 5016 -s 600
    3⤵
    - Program crash
    PID:4232

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 5016 -ip 5016
1⤵
PID:3960

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

Windows 7 deprecation

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