Analysis

  • max time kernel
    146s
  • max time network
    146s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-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 22 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 21 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 8 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:2912
    • 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:2896

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2896-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2896-25-0x0000000000400000-0x00000000007E4000-memory.dmp

    Filesize

    3.9MB

  • memory/2896-36-0x0000000000400000-0x00000000007E4000-memory.dmp

    Filesize

    3.9MB

  • memory/2896-35-0x0000000000400000-0x00000000007E4000-memory.dmp

    Filesize

    3.9MB

  • memory/2896-34-0x0000000000400000-0x00000000007E4000-memory.dmp

    Filesize

    3.9MB

  • memory/2896-33-0x0000000000400000-0x00000000007E4000-memory.dmp

    Filesize

    3.9MB

  • memory/2896-31-0x0000000000400000-0x00000000007E4000-memory.dmp

    Filesize

    3.9MB

  • memory/2896-12-0x0000000000400000-0x00000000007E4000-memory.dmp

    Filesize

    3.9MB

  • memory/2896-8-0x0000000000400000-0x00000000007E4000-memory.dmp

    Filesize

    3.9MB

  • memory/2896-10-0x0000000000400000-0x00000000007E4000-memory.dmp

    Filesize

    3.9MB

  • memory/2896-17-0x0000000000400000-0x00000000007E4000-memory.dmp

    Filesize

    3.9MB

  • memory/2896-32-0x0000000000400000-0x00000000007E4000-memory.dmp

    Filesize

    3.9MB

  • memory/2896-16-0x0000000000400000-0x00000000007E4000-memory.dmp

    Filesize

    3.9MB

  • memory/2896-22-0x0000000000400000-0x00000000007E4000-memory.dmp

    Filesize

    3.9MB

  • memory/2896-20-0x0000000000400000-0x00000000007E4000-memory.dmp

    Filesize

    3.9MB

  • memory/2896-15-0x0000000000400000-0x00000000007E4000-memory.dmp

    Filesize

    3.9MB

  • memory/2896-30-0x0000000000400000-0x00000000007E4000-memory.dmp

    Filesize

    3.9MB

  • memory/2896-26-0x0000000000400000-0x00000000007E4000-memory.dmp

    Filesize

    3.9MB

  • memory/2896-21-0x0000000000400000-0x00000000007E4000-memory.dmp

    Filesize

    3.9MB

  • memory/2896-23-0x0000000000400000-0x00000000007E4000-memory.dmp

    Filesize

    3.9MB

  • memory/2896-24-0x0000000000400000-0x00000000007E4000-memory.dmp

    Filesize

    3.9MB

  • memory/2896-27-0x0000000000400000-0x00000000007E4000-memory.dmp

    Filesize

    3.9MB

  • memory/2896-29-0x0000000000400000-0x00000000007E4000-memory.dmp

    Filesize

    3.9MB

  • memory/2896-28-0x0000000000400000-0x00000000007E4000-memory.dmp

    Filesize

    3.9MB

  • memory/2912-7-0x0000000009110000-0x000000000929A000-memory.dmp

    Filesize

    1.5MB

  • memory/2912-1-0x0000000074970000-0x000000007505E000-memory.dmp

    Filesize

    6.9MB

  • memory/2912-3-0x00000000005A0000-0x00000000005B8000-memory.dmp

    Filesize

    96KB

  • memory/2912-18-0x0000000074970000-0x000000007505E000-memory.dmp

    Filesize

    6.9MB

  • memory/2912-6-0x0000000005B60000-0x0000000005D60000-memory.dmp

    Filesize

    2.0MB

  • memory/2912-5-0x0000000001340000-0x0000000001380000-memory.dmp

    Filesize

    256KB

  • memory/2912-4-0x0000000074970000-0x000000007505E000-memory.dmp

    Filesize

    6.9MB

  • memory/2912-0-0x0000000001380000-0x00000000015CA000-memory.dmp

    Filesize

    2.3MB

  • memory/2912-2-0x0000000001340000-0x0000000001380000-memory.dmp

    Filesize

    256KB