Analysis

  • max time kernel
    150s
  • max time network
    128s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    15-02-2024 23:33

General

  • Target

    9edc6bd6360c3d3e593e6f63353fe45a.exe

  • Size

    2.0MB

  • MD5

    9edc6bd6360c3d3e593e6f63353fe45a

  • SHA1

    9f305ba70a0b5056dd1934a83acfb7cc04618de6

  • SHA256

    46384028b4c21ce3ed937de84665be89cb78cad140c85a63806f7ebf0a23ce88

  • SHA512

    b1ea3103dfabba16fc3169eb5105fa4d22573d4f62beba0c1d99fae7500a8cf9ecc4330f0058fa363bb607f7cee6365e0eeb6471c3606097625a81132213aa69

  • SSDEEP

    49152:8U/koHM0rGpSTFS/bOx7wqylkFTJFeUboERX3a5a8J2Ldv:8U/kosSGpSTkD3+FVFfX3Z/L

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 21 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: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: RenamesItself 20 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\9edc6bd6360c3d3e593e6f63353fe45a.exe
    "C:\Users\Admin\AppData\Local\Temp\9edc6bd6360c3d3e593e6f63353fe45a.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2052
    • C:\Users\Admin\AppData\Local\Temp\9edc6bd6360c3d3e593e6f63353fe45a.exe
      "C:\Users\Admin\AppData\Local\Temp\9edc6bd6360c3d3e593e6f63353fe45a.exe"
      2⤵
        PID:2592
      • C:\Users\Admin\AppData\Local\Temp\9edc6bd6360c3d3e593e6f63353fe45a.exe
        "C:\Users\Admin\AppData\Local\Temp\9edc6bd6360c3d3e593e6f63353fe45a.exe"
        2⤵
        • Adds Run key to start application
        • Suspicious use of NtSetInformationThreadHideFromDebugger
        • Suspicious behavior: RenamesItself
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        PID:2736

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/2052-20-0x0000000074B80000-0x000000007526E000-memory.dmp

      Filesize

      6.9MB

    • memory/2052-0-0x0000000000D90000-0x0000000000F90000-memory.dmp

      Filesize

      2.0MB

    • memory/2052-2-0x0000000000750000-0x0000000000790000-memory.dmp

      Filesize

      256KB

    • memory/2052-3-0x0000000000240000-0x0000000000252000-memory.dmp

      Filesize

      72KB

    • memory/2052-4-0x0000000074B80000-0x000000007526E000-memory.dmp

      Filesize

      6.9MB

    • memory/2052-5-0x0000000000750000-0x0000000000790000-memory.dmp

      Filesize

      256KB

    • memory/2052-6-0x0000000008940000-0x0000000008B04000-memory.dmp

      Filesize

      1.8MB

    • memory/2052-7-0x0000000008EE0000-0x000000000905C000-memory.dmp

      Filesize

      1.5MB

    • memory/2052-1-0x0000000074B80000-0x000000007526E000-memory.dmp

      Filesize

      6.9MB

    • memory/2736-8-0x0000000000400000-0x00000000007E4000-memory.dmp

      Filesize

      3.9MB

    • memory/2736-23-0x0000000000400000-0x00000000007E4000-memory.dmp

      Filesize

      3.9MB

    • memory/2736-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

      Filesize

      4KB

    • memory/2736-15-0x0000000000400000-0x00000000007E4000-memory.dmp

      Filesize

      3.9MB

    • memory/2736-16-0x0000000000400000-0x00000000007E4000-memory.dmp

      Filesize

      3.9MB

    • memory/2736-18-0x0000000000400000-0x00000000007E4000-memory.dmp

      Filesize

      3.9MB

    • memory/2736-17-0x0000000000400000-0x00000000007E4000-memory.dmp

      Filesize

      3.9MB

    • memory/2736-10-0x0000000000400000-0x00000000007E4000-memory.dmp

      Filesize

      3.9MB

    • memory/2736-21-0x0000000000400000-0x00000000007E4000-memory.dmp

      Filesize

      3.9MB

    • memory/2736-19-0x0000000000400000-0x00000000007E4000-memory.dmp

      Filesize

      3.9MB

    • memory/2736-22-0x0000000000400000-0x00000000007E4000-memory.dmp

      Filesize

      3.9MB

    • memory/2736-12-0x0000000000400000-0x00000000007E4000-memory.dmp

      Filesize

      3.9MB

    • memory/2736-24-0x0000000000400000-0x00000000007E4000-memory.dmp

      Filesize

      3.9MB

    • memory/2736-25-0x0000000000400000-0x00000000007E4000-memory.dmp

      Filesize

      3.9MB

    • memory/2736-26-0x0000000000400000-0x00000000007E4000-memory.dmp

      Filesize

      3.9MB

    • memory/2736-27-0x0000000000400000-0x00000000007E4000-memory.dmp

      Filesize

      3.9MB

    • memory/2736-28-0x0000000000400000-0x00000000007E4000-memory.dmp

      Filesize

      3.9MB

    • memory/2736-29-0x0000000000400000-0x00000000007E4000-memory.dmp

      Filesize

      3.9MB

    • memory/2736-30-0x0000000000400000-0x00000000007E4000-memory.dmp

      Filesize

      3.9MB

    • memory/2736-31-0x0000000000400000-0x00000000007E4000-memory.dmp

      Filesize

      3.9MB

    • memory/2736-32-0x0000000000400000-0x00000000007E4000-memory.dmp

      Filesize

      3.9MB

    • memory/2736-33-0x0000000000400000-0x00000000007E4000-memory.dmp

      Filesize

      3.9MB

    • memory/2736-34-0x0000000000400000-0x00000000007E4000-memory.dmp

      Filesize

      3.9MB