737fe0975855d45f46800126b8329c82d8c3b500038298acf052b425ec184759 | Triage

Analysis

max time kernel
9s
platform
windows7_x64
resource
win7-20220901-en
resource tags

arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
submitted
01-02-2023 12:28

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General

Target

a/R3nzSkin.dll
Size

591KB
MD5

bdd7fdfacac46f6e549aa3aa4681030c
SHA1

427c35c091915074873272e3dbd8d8dc67802b0d
SHA256

ce16f52fb754f56fd3ecb8772227c616ca56605334a52216fc29b44684bb96d3
SHA512

e99665c64cc599ffd0284197ea271109b8d6c3c7c5b9c0123b458e55caa975fbfe4aa40ac51f03d90844c3a1d54b554e5410f4db1df38f19682918dd5967cc03
SSDEEP

12288:D9oxYle32icRbxd4B5SLwoBFyM642t71w/3dMB:Dq+le3bKVd2STBFyp42Xw/3

Score

5^/10

Malware Config

Signatures

Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

pid	Process
1760	rundll32.exe
1760	rundll32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 852 wrote to memory of 1760	852	rundll32.exe	27
PID 852 wrote to memory of 1760	852	rundll32.exe	27
PID 852 wrote to memory of 1760	852	rundll32.exe	27
PID 852 wrote to memory of 1760	852	rundll32.exe	27
PID 852 wrote to memory of 1760	852	rundll32.exe	27
PID 852 wrote to memory of 1760	852	rundll32.exe	27
PID 852 wrote to memory of 1760	852	rundll32.exe	27

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\a\R3nzSkin.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:852
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\a\R3nzSkin.dll,#1
  2⤵
  - Suspicious use of NtSetInformationThreadHideFromDebugger
  PID:1760

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/1760-55-0x0000000074DA1000-0x0000000074DA3000-memory.dmp

Filesize
8KB

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