Analysis

  • max time kernel
    141s
  • max time network
    143s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    26-12-2023 00:37

General

  • Target

    46e5e8be4b71f957c798da2eb2e8cd24.exe

  • Size

    550KB

  • MD5

    46e5e8be4b71f957c798da2eb2e8cd24

  • SHA1

    762635519ab08dcfadc94250c6bacac7ebf6cb00

  • SHA256

    49c249398b22c79efbea02dea714b2077fa5b03973ea518f687dce77225857d2

  • SHA512

    86eaecbe82ff172b275b1edf5d3a764f9c63c3229ec78f6e809246f96b1f2b1ef158017652e4cb819dbb2aa849c900d4d89daa599118fac745f7c44d78a0aebc

  • SSDEEP

    6144:WWmjC+vq7S8hQOF2KciR0WkRHN/Xn93SvPbfZRWi9omPtH0yW3V+ZaNPV8UbP61U:pKqG2QeRQN/npSvPjnPFHzW3OaS

Score
7/10

Malware Config

Signatures

  • UPX packed file 2 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Adds Run key to start application 2 TTPs 2 IoCs
  • Checks for any installed AV software in registry 1 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Kills process with taskkill 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 13 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\46e5e8be4b71f957c798da2eb2e8cd24.exe
    "C:\Users\Admin\AppData\Local\Temp\46e5e8be4b71f957c798da2eb2e8cd24.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1564
    • C:\Users\Admin\AppData\Local\Temp\46e5e8be4b71f957c798da2eb2e8cd24.exe
      C:\Users\Admin\AppData\Local\Temp\46e5e8be4b71f957c798da2eb2e8cd24.exe
      2⤵
      • Adds Run key to start application
      • Checks for any installed AV software in registry
      • Suspicious use of WriteProcessMemory
      PID:2416
      • C:\Windows\SysWOW64\taskkill.exe
        taskkill.exe /F /IM MSASCui* /IM avg* /IM ash* /IM McSA* /IM msse*
        3⤵
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:1728

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1564-6-0x0000000000400000-0x000000000048B000-memory.dmp

    Filesize

    556KB

  • memory/1564-0-0x0000000000400000-0x000000000048B000-memory.dmp

    Filesize

    556KB

  • memory/1564-4-0x0000000000340000-0x00000000003CB000-memory.dmp

    Filesize

    556KB

  • memory/2416-8-0x0000000000400000-0x0000000000474000-memory.dmp

    Filesize

    464KB

  • memory/2416-7-0x0000000000400000-0x0000000000474000-memory.dmp

    Filesize

    464KB

  • memory/2416-9-0x0000000000400000-0x0000000000474000-memory.dmp

    Filesize

    464KB

  • memory/2416-3-0x0000000000400000-0x0000000000474000-memory.dmp

    Filesize

    464KB

  • memory/2416-10-0x0000000000400000-0x0000000000474000-memory.dmp

    Filesize

    464KB

  • memory/2416-18-0x0000000000400000-0x0000000000474000-memory.dmp

    Filesize

    464KB

  • memory/2416-19-0x0000000000400000-0x0000000000474000-memory.dmp

    Filesize

    464KB

  • memory/2416-24-0x0000000000400000-0x0000000000474000-memory.dmp

    Filesize

    464KB

  • memory/2416-26-0x0000000000400000-0x0000000000474000-memory.dmp

    Filesize

    464KB

  • memory/2416-27-0x0000000000400000-0x0000000000474000-memory.dmp

    Filesize

    464KB

  • memory/2416-31-0x0000000000400000-0x0000000000474000-memory.dmp

    Filesize

    464KB