8ef840fa379b5ce9b0cf5c3253bae1aa0ea13d1355443bcd9a8a7019b01945f1

Analysis

max time kernel
135s
max time network
128s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
17/08/2024, 00:55

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General

Target

AudioCodec3.dll
Size

281KB
MD5

705061ccedd95cc06ef4a76c6f52a588
SHA1

bc912ef81e0d7084738744fede805abb455fc4fd
SHA256

b76162d226e6db17b8d0adf4c84116cc1021b6226ce5a167087cfc299530bcb4
SHA512

ea5ac2293401bfa460cce64d0eb90b9dbf8d61f6c34ea0577c472253649ad7de41f0ae0741180866ab29496dcc63fe8bd5df68ccffd489a718f476b1f2710910
SSDEEP

3072:nslJ2cDklje/JKN0aqeXLYyvACns/RPQ+e7VLjwFpxrwq7DS5Kw9QweACiIFiZNL:n2Y0R20aFAdZ5FPw3CbFwNlAOD1djP

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
228	3928	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 2204 wrote to memory of 3928	2204	rundll32.exe	85
PID 2204 wrote to memory of 3928	2204	rundll32.exe	85
PID 2204 wrote to memory of 3928	2204	rundll32.exe	85

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\AudioCodec3.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2204
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\AudioCodec3.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3928
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3928 -s 600
    3⤵
    - Program crash
    PID:228

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 3928 -ip 3928
1⤵
PID:2964

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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