Analysis

  • max time kernel
    18s
  • max time network
    126s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    31-12-2023 06:04

General

  • Target

    2b17e88121f688966b5c9313e9680f01.exe

  • Size

    2.3MB

  • MD5

    2b17e88121f688966b5c9313e9680f01

  • SHA1

    8ea541ecfc7d8d0039262ac4d49507646973bdd2

  • SHA256

    78ac173de38f6be4ec1686d84a71082838154d42ed05e970b574a9e82b76800d

  • SHA512

    c6118eba8bfe3189c31d9b14daccbdef964a4525b10cb193a0634b75acb8cf05f7e44c5332977dd7a9c287a1c0b87914531b48523c277ae00207fef13626ee4b

  • SSDEEP

    49152:QxuaNlMTwUu863Q8dWW//xHHyOQjznJH3ODjvtVMY:IrMkU58MKHyOiznJXCjvtKY

Score
10/10

Malware Config

Extracted

Family

bitrat

Version

1.38

C2

204.77.8.221:5506

Attributes
  • communication_password

    d74a214501c1c40b2c77e995082f3587

  • tor_process

    tor

Signatures

  • BitRAT

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

  • UPX packed file 5 IoCs

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

  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2b17e88121f688966b5c9313e9680f01.exe
    "C:\Users\Admin\AppData\Local\Temp\2b17e88121f688966b5c9313e9680f01.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1820
    • C:\Users\Admin\AppData\Local\Temp\2b17e88121f688966b5c9313e9680f01.exe
      C:\Users\Admin\AppData\Local\Temp\2b17e88121f688966b5c9313e9680f01.exe
      2⤵
        PID:2696
    • C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe
      "C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe" "C:\Users\Admin\AppData\Local\Temp\eInvoice-20210805_200426_600838.pdf"
      1⤵
        PID:2924
      • C:\Users\Admin\AppData\Local\Temp\eInvoice-20210805_200426_600838.exe
        "C:\Users\Admin\AppData\Local\Temp\eInvoice-20210805_200426_600838.exe"
        1⤵
          PID:2400

        Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/1820-0-0x0000000000DB0000-0x0000000000FFA000-memory.dmp

          Filesize

          2.3MB

        • memory/1820-2-0x00000000049F0000-0x0000000004A30000-memory.dmp

          Filesize

          256KB

        • memory/1820-3-0x0000000000AB0000-0x0000000000AD6000-memory.dmp

          Filesize

          152KB

        • memory/1820-10-0x00000000744D0000-0x0000000074BBE000-memory.dmp

          Filesize

          6.9MB

        • memory/1820-1-0x00000000744D0000-0x0000000074BBE000-memory.dmp

          Filesize

          6.9MB

        • memory/2400-44-0x0000000000400000-0x00000000007E4000-memory.dmp

          Filesize

          3.9MB

        • memory/2400-53-0x0000000000400000-0x00000000007E4000-memory.dmp

          Filesize

          3.9MB

        • memory/2400-50-0x0000000000400000-0x00000000007E4000-memory.dmp

          Filesize

          3.9MB

        • memory/2400-46-0x0000000000400000-0x00000000007E4000-memory.dmp

          Filesize

          3.9MB

        • memory/2400-25-0x0000000000400000-0x00000000007E4000-memory.dmp

          Filesize

          3.9MB

        • memory/2696-9-0x00000000744D0000-0x0000000074BBE000-memory.dmp

          Filesize

          6.9MB

        • memory/2696-23-0x0000000007200000-0x00000000075E4000-memory.dmp

          Filesize

          3.9MB

        • memory/2696-22-0x0000000007200000-0x00000000075E4000-memory.dmp

          Filesize

          3.9MB

        • memory/2696-4-0x0000000000400000-0x0000000000612000-memory.dmp

          Filesize

          2.1MB

        • memory/2696-24-0x00000000744D0000-0x0000000074BBE000-memory.dmp

          Filesize

          6.9MB

        • memory/2696-12-0x0000000004BF0000-0x0000000004C30000-memory.dmp

          Filesize

          256KB

        • memory/2696-8-0x0000000000400000-0x0000000000612000-memory.dmp

          Filesize

          2.1MB

        • memory/2696-6-0x0000000000400000-0x0000000000612000-memory.dmp

          Filesize

          2.1MB