Analysis

  • max time kernel
    149s
  • max time network
    82s
  • platform
    windows7_x64
  • resource
    win7-20220901-en
  • resource tags

    arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
  • submitted
    12/02/2023, 16:50

General

  • Target

    32bit/AssetBundleExtractor.exe

  • Size

    398KB

  • MD5

    849c26c0dccf05a5a195b49c4cdcbe9d

  • SHA1

    5acbdc635e34ec180fb4b36553a3da0306dc2808

  • SHA256

    c5b29bd33f24b29724eb8216e7dd4a9a30552f0a88a7eed1baefa1085405be30

  • SHA512

    0e3885ff2d9555619ae675ca3f79a92f464e1053d10c1d9629fb854d3434d018c3cd62ac708d85892cb68816b28b92bd0aa6a3808e660348a48ee3dbf3d27854

  • SSDEEP

    6144:neye4oQXovha1fNR+gJbl7uyl1Tvx/PAKi75Q/DVOjcphQt:ney3ovhaXLlPl1TvxXAKi75Q/DF

Score
4/10

Malware Config

Signatures

  • Drops file in Windows directory 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Checks processor information in registry 2 TTPs 4 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Modifies registry class 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of SetWindowsHookEx 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\32bit\AssetBundleExtractor.exe
    "C:\Users\Admin\AppData\Local\Temp\32bit\AssetBundleExtractor.exe"
    1⤵
    • Drops file in Windows directory
    • Modifies registry class
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of SetWindowsHookEx
    PID:1484
  • C:\Windows\SysWOW64\DllHost.exe
    C:\Windows\SysWOW64\DllHost.exe /Processid:{AB8902B4-09CA-4BB6-B78D-A8F59079A8D5}
    1⤵
      PID:1752
    • C:\Windows\SysWOW64\DllHost.exe
      C:\Windows\SysWOW64\DllHost.exe /Processid:{AB8902B4-09CA-4BB6-B78D-A8F59079A8D5}
      1⤵
        PID:1820
      • C:\Windows\SysWOW64\DllHost.exe
        C:\Windows\SysWOW64\DllHost.exe /Processid:{AB8902B4-09CA-4BB6-B78D-A8F59079A8D5}
        1⤵
        • Checks processor information in registry
        PID:1120
      • C:\Windows\SysWOW64\DllHost.exe
        C:\Windows\SysWOW64\DllHost.exe /Processid:{AB8902B4-09CA-4BB6-B78D-A8F59079A8D5}
        1⤵
          PID:1848

        Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/1120-58-0x00000000710F0000-0x0000000071402000-memory.dmp

          Filesize

          3.1MB

        • memory/1484-54-0x0000000076BA1000-0x0000000076BA3000-memory.dmp

          Filesize

          8KB