Analysis

  • max time kernel
    81s
  • max time network
    110s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27-12-2023 02:58

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 17 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 6 IoCs
  • Suspicious behavior: RenamesItself 7 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 16 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:2212
    • C:\Users\Admin\AppData\Local\Temp\9edc6bd6360c3d3e593e6f63353fe45a.exe
      "C:\Users\Admin\AppData\Local\Temp\9edc6bd6360c3d3e593e6f63353fe45a.exe"
      2⤵
        PID:3612
      • C:\Users\Admin\AppData\Local\Temp\9edc6bd6360c3d3e593e6f63353fe45a.exe
        "C:\Users\Admin\AppData\Local\Temp\9edc6bd6360c3d3e593e6f63353fe45a.exe"
        2⤵
          PID:4864
        • C:\Users\Admin\AppData\Local\Temp\9edc6bd6360c3d3e593e6f63353fe45a.exe
          "C:\Users\Admin\AppData\Local\Temp\9edc6bd6360c3d3e593e6f63353fe45a.exe"
          2⤵
            PID:2764
          • 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:4492

        Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/2212-15-0x0000000074FE0000-0x0000000075790000-memory.dmp

          Filesize

          7.7MB

        • memory/2212-1-0x0000000074FE0000-0x0000000075790000-memory.dmp

          Filesize

          7.7MB

        • memory/2212-2-0x0000000005FC0000-0x0000000006564000-memory.dmp

          Filesize

          5.6MB

        • memory/2212-4-0x0000000005AB0000-0x0000000005B4C000-memory.dmp

          Filesize

          624KB

        • memory/2212-3-0x0000000005A10000-0x0000000005AA2000-memory.dmp

          Filesize

          584KB

        • memory/2212-5-0x0000000005C30000-0x0000000005C40000-memory.dmp

          Filesize

          64KB

        • memory/2212-6-0x00000000059F0000-0x00000000059FA000-memory.dmp

          Filesize

          40KB

        • memory/2212-7-0x0000000005FB0000-0x0000000005FC2000-memory.dmp

          Filesize

          72KB

        • memory/2212-8-0x0000000074FE0000-0x0000000075790000-memory.dmp

          Filesize

          7.7MB

        • memory/2212-9-0x0000000008FF0000-0x00000000091B4000-memory.dmp

          Filesize

          1.8MB

        • memory/2212-10-0x000000000A410000-0x000000000A58C000-memory.dmp

          Filesize

          1.5MB

        • memory/2212-0-0x0000000000E00000-0x0000000001000000-memory.dmp

          Filesize

          2.0MB

        • memory/4492-21-0x0000000000400000-0x00000000007E4000-memory.dmp

          Filesize

          3.9MB

        • memory/4492-23-0x0000000000400000-0x00000000007E4000-memory.dmp

          Filesize

          3.9MB

        • memory/4492-14-0x0000000000400000-0x00000000007E4000-memory.dmp

          Filesize

          3.9MB

        • memory/4492-12-0x0000000000400000-0x00000000007E4000-memory.dmp

          Filesize

          3.9MB

        • memory/4492-19-0x0000000074EF0000-0x0000000074F29000-memory.dmp

          Filesize

          228KB

        • memory/4492-18-0x0000000000400000-0x00000000007E4000-memory.dmp

          Filesize

          3.9MB

        • memory/4492-11-0x0000000000400000-0x00000000007E4000-memory.dmp

          Filesize

          3.9MB

        • memory/4492-25-0x0000000000400000-0x00000000007E4000-memory.dmp

          Filesize

          3.9MB

        • memory/4492-27-0x0000000074BB0000-0x0000000074BE9000-memory.dmp

          Filesize

          228KB

        • memory/4492-26-0x0000000000400000-0x00000000007E4000-memory.dmp

          Filesize

          3.9MB

        • memory/4492-24-0x0000000000400000-0x00000000007E4000-memory.dmp

          Filesize

          3.9MB

        • memory/4492-17-0x0000000000400000-0x00000000007E4000-memory.dmp

          Filesize

          3.9MB

        • memory/4492-22-0x0000000000400000-0x00000000007E4000-memory.dmp

          Filesize

          3.9MB

        • memory/4492-20-0x0000000000400000-0x00000000007E4000-memory.dmp

          Filesize

          3.9MB

        • memory/4492-28-0x0000000000400000-0x00000000007E4000-memory.dmp

          Filesize

          3.9MB

        • memory/4492-30-0x0000000000400000-0x00000000007E4000-memory.dmp

          Filesize

          3.9MB

        • memory/4492-31-0x0000000074BB0000-0x0000000074BE9000-memory.dmp

          Filesize

          228KB

        • memory/4492-29-0x0000000000400000-0x00000000007E4000-memory.dmp

          Filesize

          3.9MB

        • memory/4492-33-0x0000000000400000-0x00000000007E4000-memory.dmp

          Filesize

          3.9MB

        • memory/4492-34-0x0000000074BB0000-0x0000000074BE9000-memory.dmp

          Filesize

          228KB

        • memory/4492-32-0x0000000000400000-0x00000000007E4000-memory.dmp

          Filesize

          3.9MB

        • memory/4492-35-0x0000000000400000-0x00000000007E4000-memory.dmp

          Filesize

          3.9MB

        • memory/4492-37-0x0000000074BB0000-0x0000000074BE9000-memory.dmp

          Filesize

          228KB

        • memory/4492-36-0x0000000000400000-0x00000000007E4000-memory.dmp

          Filesize

          3.9MB