Analysis

  • max time kernel
    149s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26-03-2024 10:22

General

  • Target

    deee27d22505bd8e59a238ff922df2ff.exe

  • Size

    2.0MB

  • MD5

    deee27d22505bd8e59a238ff922df2ff

  • SHA1

    b7a84ce3b528852afd40f2bd980c7eb2651c581d

  • SHA256

    8ff6efab7b7b9a8e05edf2a88e6ba3e6d5c0130794c1c6fddcde7ccfb024e6eb

  • SHA512

    ec4d7d38c4b6b4a62ea9361a5b4d7c315ab8b523b35bc67774f554897a3ba7fd295d2827de8dc1c03da72b400618d48af787ecbcc81d851227e58145ae05026e

  • SSDEEP

    49152:JXyPwqt9nptBilanQvg4zLW1ZzKvKidr1pX0osvQ4H4444C:EP/pt7QhzMOhn0oiQ4H4444C

Malware Config

Extracted

Family

bitrat

Version

1.38

C2

jairoandresotalvarorend.linkpc.net:9085

Attributes
  • communication_password

    bfdba24ee3d61f0260c4dc1034c3ee43

  • install_dir

    Googlechromeinite

  • install_file

    Googlechromeinit.exe

  • tor_process

    tor

Signatures

  • BitRAT

    BitRAT is a remote access tool written in C++ and uses leaked source code from other families.

  • CustAttr .NET packer 1 IoCs

    Detects CustAttr .NET packer in memory.

  • UPX packed file 18 IoCs

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

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 4 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: RenamesItself 19 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\deee27d22505bd8e59a238ff922df2ff.exe
    "C:\Users\Admin\AppData\Local\Temp\deee27d22505bd8e59a238ff922df2ff.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1420
    • C:\Users\Admin\AppData\Local\Temp\deee27d22505bd8e59a238ff922df2ff.exe
      "C:\Users\Admin\AppData\Local\Temp\deee27d22505bd8e59a238ff922df2ff.exe"
      2⤵
      • Adds Run key to start application
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • Suspicious behavior: RenamesItself
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:464
  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=3712 --field-trial-handle=2284,i,15722001240173834669,15048020084704567542,262144 --variations-seed-version /prefetch:8
    1⤵
      PID:5044

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/464-25-0x0000000000400000-0x00000000007E4000-memory.dmp

      Filesize

      3.9MB

    • memory/464-27-0x0000000000400000-0x00000000007E4000-memory.dmp

      Filesize

      3.9MB

    • memory/464-35-0x00000000740B0000-0x00000000740E9000-memory.dmp

      Filesize

      228KB

    • memory/464-17-0x0000000000400000-0x00000000007E4000-memory.dmp

      Filesize

      3.9MB

    • memory/464-33-0x0000000000400000-0x00000000007E4000-memory.dmp

      Filesize

      3.9MB

    • memory/464-19-0x0000000000400000-0x00000000007E4000-memory.dmp

      Filesize

      3.9MB

    • memory/464-32-0x00000000740B0000-0x00000000740E9000-memory.dmp

      Filesize

      228KB

    • memory/464-30-0x0000000000400000-0x00000000007E4000-memory.dmp

      Filesize

      3.9MB

    • memory/464-31-0x0000000000400000-0x00000000007E4000-memory.dmp

      Filesize

      3.9MB

    • memory/464-29-0x0000000000400000-0x00000000007E4000-memory.dmp

      Filesize

      3.9MB

    • memory/464-28-0x00000000740B0000-0x00000000740E9000-memory.dmp

      Filesize

      228KB

    • memory/464-22-0x0000000000400000-0x00000000007E4000-memory.dmp

      Filesize

      3.9MB

    • memory/464-12-0x0000000000400000-0x00000000007E4000-memory.dmp

      Filesize

      3.9MB

    • memory/464-13-0x0000000000400000-0x00000000007E4000-memory.dmp

      Filesize

      3.9MB

    • memory/464-15-0x0000000000400000-0x00000000007E4000-memory.dmp

      Filesize

      3.9MB

    • memory/464-16-0x0000000000400000-0x00000000007E4000-memory.dmp

      Filesize

      3.9MB

    • memory/464-34-0x0000000000400000-0x00000000007E4000-memory.dmp

      Filesize

      3.9MB

    • memory/464-26-0x0000000000400000-0x00000000007E4000-memory.dmp

      Filesize

      3.9MB

    • memory/464-24-0x0000000000400000-0x00000000007E4000-memory.dmp

      Filesize

      3.9MB

    • memory/464-20-0x00000000743F0000-0x0000000074429000-memory.dmp

      Filesize

      228KB

    • memory/464-21-0x0000000000400000-0x00000000007E4000-memory.dmp

      Filesize

      3.9MB

    • memory/464-23-0x0000000000400000-0x00000000007E4000-memory.dmp

      Filesize

      3.9MB

    • memory/1420-9-0x00000000052A0000-0x00000000052B0000-memory.dmp

      Filesize

      64KB

    • memory/1420-5-0x00000000052A0000-0x00000000052B0000-memory.dmp

      Filesize

      64KB

    • memory/1420-0-0x00000000744E0000-0x0000000074C90000-memory.dmp

      Filesize

      7.7MB

    • memory/1420-3-0x00000000052C0000-0x0000000005352000-memory.dmp

      Filesize

      584KB

    • memory/1420-11-0x00000000085E0000-0x000000000875C000-memory.dmp

      Filesize

      1.5MB

    • memory/1420-10-0x0000000008340000-0x0000000008504000-memory.dmp

      Filesize

      1.8MB

    • memory/1420-1-0x0000000000690000-0x0000000000892000-memory.dmp

      Filesize

      2.0MB

    • memory/1420-8-0x00000000744E0000-0x0000000074C90000-memory.dmp

      Filesize

      7.7MB

    • memory/1420-7-0x00000000056D0000-0x00000000056E2000-memory.dmp

      Filesize

      72KB

    • memory/1420-6-0x0000000005290000-0x000000000529A000-memory.dmp

      Filesize

      40KB

    • memory/1420-4-0x0000000005370000-0x000000000540C000-memory.dmp

      Filesize

      624KB

    • memory/1420-18-0x00000000744E0000-0x0000000074C90000-memory.dmp

      Filesize

      7.7MB

    • memory/1420-2-0x0000000005920000-0x0000000005EC4000-memory.dmp

      Filesize

      5.6MB