Analysis

  • max time kernel
    150s
  • max time network
    155s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230831-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230831-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01-09-2023 16:07

General

  • Target

    BHThisAccountManger2_JC.exe

  • Size

    6.2MB

  • MD5

    c2eb25d76d29c98f90d8c61004149a0c

  • SHA1

    2c576db59c1c7e13d3572b9c9857bda4bcbe4fe1

  • SHA256

    d0c42bf9edad21b80063db0a7fe9a3d1486c72551fc04b622e44529e5610fa1f

  • SHA512

    d5493612fce6ba1d7d9ad79cd301d165686b7ca8f105407d094ad8528c1a9d76ba7ac8fc51d462fdbe6bae8a1f5354a96aad47ea1863e3d575ed985f60b04ade

  • SSDEEP

    98304:cJ/yV00WA5L+wvgG7Wwpa1ugWYB5ADouSY4oLWL/6IkV0qBh6WVs3fER3ckWQP8B:QqV00WAcvwpCB4DBMuIQ08h6AfWoBk

Malware Config

Extracted

Family

bitrat

Version

1.38

C2

rornfl12.duckdns.org:3072

Attributes
  • communication_password

    be767243ca8f574c740fb4c26cc6dceb

  • install_dir

    chrome

  • install_file

    chome.exe

  • tor_process

    tor

Signatures

  • BitRAT

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

  • Executes dropped EXE 1 IoCs
  • VMProtect packed file 6 IoCs

    Detects executables packed with VMProtect commercial packer.

  • Adds Run key to start application 2 TTPs 6 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 6 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\BHThisAccountManger2_JC.exe
    "C:\Users\Admin\AppData\Local\Temp\BHThisAccountManger2_JC.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of WriteProcessMemory
    PID:1392
    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\ACCOUN~1.EXE
      C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\ACCOUN~1.EXE
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:1512

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\ACCOUN~1.EXE

    Filesize

    6.2MB

    MD5

    0606141f3fad15f21ebf58bcd5c49f75

    SHA1

    098454df527c1315e80808328dc464286fa90859

    SHA256

    76f0851190aea6cb9add8591a662322bd88f742d85f62bcf54050fe5b380eed6

    SHA512

    1ddcedc9e695b29dc44a0799263c8c50d6c14adae9e0968a501ae25b387c3f4c1b9aed29380800a3c6cd734da0ac71d5d8151f51172ce133e7caa1ce0541df92

  • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\ACCOUN~1.EXE

    Filesize

    6.2MB

    MD5

    0606141f3fad15f21ebf58bcd5c49f75

    SHA1

    098454df527c1315e80808328dc464286fa90859

    SHA256

    76f0851190aea6cb9add8591a662322bd88f742d85f62bcf54050fe5b380eed6

    SHA512

    1ddcedc9e695b29dc44a0799263c8c50d6c14adae9e0968a501ae25b387c3f4c1b9aed29380800a3c6cd734da0ac71d5d8151f51172ce133e7caa1ce0541df92

  • memory/1512-7-0x0000000001110000-0x0000000001111000-memory.dmp

    Filesize

    4KB

  • memory/1512-8-0x0000000001540000-0x0000000001541000-memory.dmp

    Filesize

    4KB

  • memory/1512-9-0x0000000000400000-0x00000000010CD000-memory.dmp

    Filesize

    12.8MB

  • memory/1512-10-0x0000000000400000-0x00000000010CD000-memory.dmp

    Filesize

    12.8MB

  • memory/1512-13-0x0000000075110000-0x0000000075149000-memory.dmp

    Filesize

    228KB

  • memory/1512-14-0x0000000074DD0000-0x0000000074E09000-memory.dmp

    Filesize

    228KB

  • memory/1512-15-0x0000000000400000-0x00000000010CD000-memory.dmp

    Filesize

    12.8MB

  • memory/1512-16-0x0000000000400000-0x00000000010CD000-memory.dmp

    Filesize

    12.8MB

  • memory/1512-17-0x0000000075110000-0x0000000075149000-memory.dmp

    Filesize

    228KB

  • memory/1512-18-0x0000000074DD0000-0x0000000074E09000-memory.dmp

    Filesize

    228KB