Overview

overview

10

Static

static

shaco.exe

windows7_x64

10

shaco.exe

windows10-2004_x64

8

Analysis

  • max time kernel
    147s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220331-en
  • submitted
    13/04/2022, 13:28

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General

  • Target
    shaco.exe
  • Size 269KB
  • Sample220413-qqm43scdb5
  • SHA256 38c909bf15fc21291bb3bda3e4c56b117bc9810a85508eb46308b5ebcccd2719
  • MD5 SHA1 SHA512
Score
8/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\shaco.exe
    "C:\Users\Admin\AppData\Local\Temp\shaco.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4384
    • C:\Users\Admin\AppData\Local\Temp\pzrdnmwf.exe
      C:\Users\Admin\AppData\Local\Temp\pzrdnmwf.exe C:\Users\Admin\AppData\Local\Temp\vrmwzinqzo
      2⤵
      • Executes dropped EXE
      • Suspicious use of WriteProcessMemory
      PID:1652
      • C:\Users\Admin\AppData\Local\Temp\pzrdnmwf.exe
        C:\Users\Admin\AppData\Local\Temp\pzrdnmwf.exe C:\Users\Admin\AppData\Local\Temp\vrmwzinqzo
        3⤵
          PID:4516

    Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

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          Downloads

          osrzgsr5j0u7el7rtm2f
          • Path C:\Users\Admin\AppData\Local\Temp\osrzgsr5j0u7el7rtm2f
          • Size 211KB
          • SHA256 d1de730ca40930bfd95b55cbb6a7cfbd4e9271cb739866fc8d5eba37f3e34286
          • MD5 SHA1 SHA512 SSDEEP
          Submit Download

          pzrdnmwf.exe
          • Path C:\Users\Admin\AppData\Local\Temp\pzrdnmwf.exe
          • Size 69KB
          • SHA256 8595d31e1a969445beb2568af5c316f0baab5c8398ab758c1f7d28ea2a17ce84
          • MD5 SHA1 SHA512 SSDEEP
          Submit Download

          pzrdnmwf.exe
          • Path C:\Users\Admin\AppData\Local\Temp\pzrdnmwf.exe
          • Size 69KB
          • SHA256 8595d31e1a969445beb2568af5c316f0baab5c8398ab758c1f7d28ea2a17ce84
          • MD5 SHA1 SHA512 SSDEEP
          Submit Download

          vrmwzinqzo
          • Path C:\Users\Admin\AppData\Local\Temp\vrmwzinqzo
          • Size 5KB
          • SHA256 d3b1e9176ca85edaeaefef4189912316d3696e7363d9d23da7cf800deccab22f
          • MD5 SHA1 SHA512 SSDEEP
          Submit Download