8c2ecd1251a00ea84c020a4196d1aa282b1dc2328f3caaf4131906be62b2e3dd

Analysis

max time kernel
13s
max time network
19s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
25/08/2024, 11:30

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General

Target

Cool MP3 Splitter & Joiner/audio.dll
Size

268KB
MD5

5c47ec9a1e2eaef3ccc60b320a8f56c0
SHA1

96268bb7804058839b9e0a712d7070d3af64be58
SHA256

20702a84e902f0bd79a861482ba0ccdbeacac10403bdbd98ff4de413eb6748fa
SHA512

723cb7ccb648744588d7fb2ac310fac9d38a27d89ea6387874789bc1a5ec757affdfc0e042fe41fd6edebe4f6437825b5c255cd070b12ee2ec12dd4fede85508
SSDEEP

3072:NP11YKjdcS3MQKLRgxLfWVkkVpBnGJyzMYscJfDQNr4BfD40AoB:Nt1fcS3MQIwWVLpBGJyzBJfOMBfc

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2404	1164	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 760 wrote to memory of 1164	760	rundll32.exe	29
PID 760 wrote to memory of 1164	760	rundll32.exe	29
PID 760 wrote to memory of 1164	760	rundll32.exe	29
PID 760 wrote to memory of 1164	760	rundll32.exe	29
PID 760 wrote to memory of 1164	760	rundll32.exe	29
PID 760 wrote to memory of 1164	760	rundll32.exe	29
PID 760 wrote to memory of 1164	760	rundll32.exe	29
PID 1164 wrote to memory of 2404	1164	rundll32.exe	30
PID 1164 wrote to memory of 2404	1164	rundll32.exe	30
PID 1164 wrote to memory of 2404	1164	rundll32.exe	30
PID 1164 wrote to memory of 2404	1164	rundll32.exe	30

C:\Windows\system32\rundll32.exe
rundll32.exe "C:\Users\Admin\AppData\Local\Temp\Cool MP3 Splitter & Joiner\audio.dll",#1
1⤵
- Suspicious use of WriteProcessMemory
PID:760
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe "C:\Users\Admin\AppData\Local\Temp\Cool MP3 Splitter & Joiner\audio.dll",#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1164
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1164 -s 236
    3⤵
    - Program crash
    PID:2404

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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