e58c6d9dc373b2c9d12807d48c2cefd72c4f7f5c675f57a39e876bc4fea6b1cb

Analysis

max time kernel
117s
max time network
140s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
29/12/2023, 22:54

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target

0636d7a7f48c6287b95c43caae75b3b3.exe
Size

78KB
MD5

0636d7a7f48c6287b95c43caae75b3b3
SHA1

682fbd783064907c5a5df2f38ff11ae5e0cc6608
SHA256

e58c6d9dc373b2c9d12807d48c2cefd72c4f7f5c675f57a39e876bc4fea6b1cb
SHA512

f422e8e2eabbabf5ca5c45bd215b1b2be9f14f1088892a2e9ef09e686f08ff56f89dd0b95edf7ed4a2d17575eb0784f65a11967634fe94ed45939100b28da03e
SSDEEP

1536:EpgpHzb9dZVX9fHMvG0D3XJgMW6Lwb62GEmrAxoDv5YBFTnJyt0phlsvODOx:ygXdZt9P6D3XJgMWm2GEmrAKD5YbzEWG

Score

7^/10

persistence

Malware Config

Signatures

Loads dropped DLL 5 IoCs

pid	Process
2780	regsvr32.exe
2820	rundll32.exe
2820	rundll32.exe
2820	rundll32.exe
2820	rundll32.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1603059206-2004189698-4139800220-1000\Software\Microsoft\Windows\CurrentVersion\Run\audioscdrv = "rundll32.exe \"C:\\Users\\Admin\\AppData\\Local\\audioscdrv\\audioscdrv.dll\", DllInit"	regsvr32.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2820	rundll32.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 2660 wrote to memory of 2780	2660	0636d7a7f48c6287b95c43caae75b3b3.exe	29
PID 2660 wrote to memory of 2780	2660	0636d7a7f48c6287b95c43caae75b3b3.exe	29
PID 2660 wrote to memory of 2780	2660	0636d7a7f48c6287b95c43caae75b3b3.exe	29
PID 2660 wrote to memory of 2780	2660	0636d7a7f48c6287b95c43caae75b3b3.exe	29
PID 2660 wrote to memory of 2780	2660	0636d7a7f48c6287b95c43caae75b3b3.exe	29
PID 2660 wrote to memory of 2780	2660	0636d7a7f48c6287b95c43caae75b3b3.exe	29
PID 2660 wrote to memory of 2780	2660	0636d7a7f48c6287b95c43caae75b3b3.exe	29
PID 2780 wrote to memory of 2820	2780	regsvr32.exe	30
PID 2780 wrote to memory of 2820	2780	regsvr32.exe	30
PID 2780 wrote to memory of 2820	2780	regsvr32.exe	30
PID 2780 wrote to memory of 2820	2780	regsvr32.exe	30
PID 2780 wrote to memory of 2820	2780	regsvr32.exe	30
PID 2780 wrote to memory of 2820	2780	regsvr32.exe	30
PID 2780 wrote to memory of 2820	2780	regsvr32.exe	30

C:\Users\Admin\AppData\Local\Temp\0636d7a7f48c6287b95c43caae75b3b3.exe
"C:\Users\Admin\AppData\Local\Temp\0636d7a7f48c6287b95c43caae75b3b3.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2660
- C:\Windows\SysWOW64\regsvr32.exe
  "regsvr32.exe" /i /n /s "C:\Users\Admin\AppData\Local\Temp\audioperflibrary.dll"
  2⤵
  - Loads dropped DLL
  - Adds Run key to start application
  - Suspicious use of WriteProcessMemory
  PID:2780
- - C:\Windows\SysWOW64\rundll32.exe
    rundll32.exe "C:\Users\Admin\AppData\Local\audioscdrv\audioscdrv.dll", DllInit
    3⤵
    - Loads dropped DLL
    - Suspicious use of SetWindowsHookEx
    PID:2820

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\audioperflibrary.dll

Filesize
84KB

MD5
c92fabdd58fc7dfd05206ca226ba59ff

SHA1
40c594a2967b905fa6e76850b274ad8506241799

SHA256
7aac7152076ad3f39045950ced9442f331ebd866e61e02a95081c0f0938023ac

SHA512
5207c0ac7c96dd75d52f99031dc54c5c1fb7d3337625de24afd5b3d2bbf6a54c19642a51d2ea3091e478a768015152c9861d73a308c11ea01ccbb7b4ad05b307

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads