Analysis

  • max time kernel
    46s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07-01-2024 19:43

General

  • Target

    4910d6a23280578ab838476ea8bfdc9a.exe

  • Size

    2.3MB

  • MD5

    4910d6a23280578ab838476ea8bfdc9a

  • SHA1

    7075d8998729640a7adb8f9ddfacba408bdf3109

  • SHA256

    6d9ae2b15c6995be94b84f2a1d86fc8945594215678711318c88a447263a201e

  • SHA512

    f1942ff2e88a1f627c28011cc1bfbb54dfd3de70d7566e459eb1c88221c6be139161bbef137e814be78351e25d4c477afc101c4a46dae36247dbdc50bb8b50fa

  • SSDEEP

    49152:gv2T1elN3tjmR35wgI46vntTd2sIDzh3emlFAlPTmow+VM:tBYN9SDwu6xIs4zhOmbAlPo+2

Malware Config

Extracted

Family

bitrat

Version

1.38

C2

jairoandresotalvarorend.linkpc.net:9082

Attributes
  • communication_password

    bfdba24ee3d61f0260c4dc1034c3ee43

  • install_dir

    sophosavsdefender

  • install_file

    sophosavsdefender.exe

  • 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 20 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 1 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\4910d6a23280578ab838476ea8bfdc9a.exe
    "C:\Users\Admin\AppData\Local\Temp\4910d6a23280578ab838476ea8bfdc9a.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1492
    • C:\Users\Admin\AppData\Local\Temp\4910d6a23280578ab838476ea8bfdc9a.exe
      "C:\Users\Admin\AppData\Local\Temp\4910d6a23280578ab838476ea8bfdc9a.exe"
      2⤵
      • Adds Run key to start application
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • Suspicious behavior: RenamesItself
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:4288

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1492-18-0x0000000074A10000-0x00000000751C0000-memory.dmp

    Filesize

    7.7MB

  • memory/1492-0-0x0000000074A10000-0x00000000751C0000-memory.dmp

    Filesize

    7.7MB

  • memory/1492-3-0x0000000005410000-0x00000000054A2000-memory.dmp

    Filesize

    584KB

  • memory/1492-6-0x0000000005820000-0x00000000058BC000-memory.dmp

    Filesize

    624KB

  • memory/1492-7-0x0000000005610000-0x0000000005628000-memory.dmp

    Filesize

    96KB

  • memory/1492-5-0x00000000055E0000-0x00000000055EA000-memory.dmp

    Filesize

    40KB

  • memory/1492-4-0x00000000053C0000-0x00000000053D0000-memory.dmp

    Filesize

    64KB

  • memory/1492-2-0x0000000005A70000-0x0000000006014000-memory.dmp

    Filesize

    5.6MB

  • memory/1492-8-0x0000000074A10000-0x00000000751C0000-memory.dmp

    Filesize

    7.7MB

  • memory/1492-9-0x00000000053C0000-0x00000000053D0000-memory.dmp

    Filesize

    64KB

  • memory/1492-10-0x0000000006A50000-0x0000000006C50000-memory.dmp

    Filesize

    2.0MB

  • memory/1492-11-0x000000000A070000-0x000000000A1FA000-memory.dmp

    Filesize

    1.5MB

  • memory/1492-1-0x00000000007F0000-0x0000000000A3A000-memory.dmp

    Filesize

    2.3MB

  • memory/4288-19-0x0000000000400000-0x00000000007E4000-memory.dmp

    Filesize

    3.9MB

  • memory/4288-23-0x0000000000400000-0x00000000007E4000-memory.dmp

    Filesize

    3.9MB

  • memory/4288-17-0x0000000000400000-0x00000000007E4000-memory.dmp

    Filesize

    3.9MB

  • memory/4288-16-0x0000000000400000-0x00000000007E4000-memory.dmp

    Filesize

    3.9MB

  • memory/4288-12-0x0000000000400000-0x00000000007E4000-memory.dmp

    Filesize

    3.9MB

  • memory/4288-13-0x0000000000400000-0x00000000007E4000-memory.dmp

    Filesize

    3.9MB

  • memory/4288-20-0x0000000074920000-0x0000000074959000-memory.dmp

    Filesize

    228KB

  • memory/4288-21-0x0000000000400000-0x00000000007E4000-memory.dmp

    Filesize

    3.9MB

  • memory/4288-24-0x0000000000400000-0x00000000007E4000-memory.dmp

    Filesize

    3.9MB

  • memory/4288-27-0x0000000000400000-0x00000000007E4000-memory.dmp

    Filesize

    3.9MB

  • memory/4288-28-0x0000000074CC0000-0x0000000074CF9000-memory.dmp

    Filesize

    228KB

  • memory/4288-26-0x0000000000400000-0x00000000007E4000-memory.dmp

    Filesize

    3.9MB

  • memory/4288-25-0x0000000000400000-0x00000000007E4000-memory.dmp

    Filesize

    3.9MB

  • memory/4288-15-0x0000000000400000-0x00000000007E4000-memory.dmp

    Filesize

    3.9MB

  • memory/4288-22-0x0000000000400000-0x00000000007E4000-memory.dmp

    Filesize

    3.9MB

  • memory/4288-29-0x0000000000400000-0x00000000007E4000-memory.dmp

    Filesize

    3.9MB

  • memory/4288-31-0x0000000000400000-0x00000000007E4000-memory.dmp

    Filesize

    3.9MB

  • memory/4288-32-0x0000000074CC0000-0x0000000074CF9000-memory.dmp

    Filesize

    228KB

  • memory/4288-30-0x0000000000400000-0x00000000007E4000-memory.dmp

    Filesize

    3.9MB

  • memory/4288-33-0x0000000000400000-0x00000000007E4000-memory.dmp

    Filesize

    3.9MB

  • memory/4288-35-0x0000000074CC0000-0x0000000074CF9000-memory.dmp

    Filesize

    228KB

  • memory/4288-34-0x0000000000400000-0x00000000007E4000-memory.dmp

    Filesize

    3.9MB

  • memory/4288-37-0x0000000000400000-0x00000000007E4000-memory.dmp

    Filesize

    3.9MB

  • memory/4288-38-0x0000000074CC0000-0x0000000074CF9000-memory.dmp

    Filesize

    228KB

  • memory/4288-36-0x0000000000400000-0x00000000007E4000-memory.dmp

    Filesize

    3.9MB