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Analysis

  • max time kernel
    149s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    19/01/2024, 14:51

General

  • Target

    2FastBetVN.exe

  • Size

    151KB

  • MD5

    3fbc8e17cb9da2415668bcc9c22f88b0

  • SHA1

    66879710e62797c06013c7ca924432e3295975e7

  • SHA256

    fdb18d128decf596a3670a3407e9afb6c0320daa40f5e2ebc9bacb94b0d755b6

  • SHA512

    0e27c3671709bac901cd669de232580b9a91fc9c6f68b837fbd2ceb5c2f8901c6fd3785255669563ed457ca2000975bc6b461d12939ab7e21d3de700720ec97c

  • SSDEEP

    3072:xyqBXv8zjxf5GWp1icKAArDZz4N9GhbkrNEk1uN:vu7p0yN90QED

Malware Config

Signatures

  • Drops file in Drivers directory 64 IoCs
  • Manipulates Digital Signatures 2 IoCs

    Attackers can apply techniques such as modifying certain DLL exports to make their binary seem valid.

  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Drops desktop.ini file(s) 1 IoCs
  • Drops autorun.inf file 1 TTPs 1 IoCs

    Malware can abuse Windows Autorun to spread further via attached volumes.

  • Drops file in System32 directory 64 IoCs
  • Modifies termsrv.dll 1 TTPs 1 IoCs

    Commonly used to allow simultaneous RDP sessions.

  • Drops file in Program Files directory 64 IoCs
  • Drops file in Windows directory 64 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2FastBetVN.exe
    "C:\Users\Admin\AppData\Local\Temp\2FastBetVN.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of WriteProcessMemory
    PID:2300
    • C:\Windows\system32\cmd.exe
      cmd /c "destroy.bat"
      2⤵
      • Drops file in Drivers directory
      • Manipulates Digital Signatures
      • Drops desktop.ini file(s)
      • Drops autorun.inf file
      • Drops file in System32 directory
      • Modifies termsrv.dll
      • Drops file in Program Files directory
      • Drops file in Windows directory
      PID:2024

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\destroy.bat

    Filesize

    164B

    MD5

    b45a7c4a06347c272adc225a43e53b04

    SHA1

    cc67480527e18c82b4896354d285fa3d6ba1000e

    SHA256

    66b39e56ce0aa29842b178337342195f4ab4e5a8d1cf7d800710b467e447f227

    SHA512

    c88230442de4710a303f513a3aaf3647611432fb6e263daa5e875a8501ca931907e2b1d1139b45b3d0a804ae038a44f6e08bd317dacaf8e6f0e20ac47ca4a30a