Resubmissions

12-11-2022 16:17

221112-trfyyagf53 10

12-11-2022 16:00

221112-tfm8wage94 10

Analysis

  • max time kernel
    1800s
  • max time network
    1803s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12-11-2022 16:17

General

  • Target

    statement_docx.exe

  • Size

    1.7MB

  • MD5

    2aedd0caff110812c17de4072cde09ba

  • SHA1

    a2850f291012d07ef1acedbb9ac24884fb8db8d0

  • SHA256

    9f38198ca55e984bd65f7a324853411d19a3426ac0455f64b76eb3aa2c1d85e8

  • SHA512

    b83a5576522d128fe9ad5d9e579403fb96b69afef97a4440527c9e534e998bb38537bcb6fb64eddc7ca7ca92385621b0a48bc90abb2854c6f504211084d540e0

  • SSDEEP

    49152:cSJ9EoE2fT7om1nLbta4BN/0yLhsLZNhONEIwS:cc1PxBLGtNENBwS

Score
10/10

Malware Config

Extracted

Family

bitrat

Version

1.38

C2

celesperial.ddns.net:5200

Attributes
  • communication_password

    81dc9bdb52d04dc20036dbd8313ed055

  • 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 6 IoCs

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

  • Drops file in System32 directory 10 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 5 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Checks SCSI registry key(s) 3 TTPs 3 IoCs

    SCSI information is often read in order to detect sandboxing environments.

  • Checks processor information in registry 2 TTPs 3 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Enumerates system info in registry 2 TTPs 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 50 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 7 IoCs
  • Suspicious use of FindShellTrayWindow 64 IoCs
  • Suspicious use of SendNotifyMessage 64 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 10 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\statement_docx.exe
    "C:\Users\Admin\AppData\Local\Temp\statement_docx.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3196
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe"
      2⤵
        PID:1136
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe"
        2⤵
        • Suspicious use of NtSetInformationThreadHideFromDebugger
        • Suspicious behavior: GetForegroundWindowSpam
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        PID:3280
    • C:\Windows\system32\taskmgr.exe
      "C:\Windows\system32\taskmgr.exe" /4
      1⤵
      • Checks SCSI registry key(s)
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:1504
    • C:\Windows\System32\svchost.exe
      C:\Windows\System32\svchost.exe -k netsvcs -p
      1⤵
      • Drops file in System32 directory
      • Checks processor information in registry
      • Enumerates system info in registry
      PID:4752

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/3196-141-0x00007FFA06970000-0x00007FFA07431000-memory.dmp

      Filesize

      10.8MB

    • memory/3196-133-0x0000014026C80000-0x0000014026CF6000-memory.dmp

      Filesize

      472KB

    • memory/3196-134-0x00007FFA06970000-0x00007FFA07431000-memory.dmp

      Filesize

      10.8MB

    • memory/3196-135-0x0000014026C20000-0x0000014026C3E000-memory.dmp

      Filesize

      120KB

    • memory/3196-136-0x00007FFA06970000-0x00007FFA07431000-memory.dmp

      Filesize

      10.8MB

    • memory/3196-132-0x0000014024E60000-0x0000014025016000-memory.dmp

      Filesize

      1.7MB

    • memory/3280-142-0x0000000000400000-0x00000000007E4000-memory.dmp

      Filesize

      3.9MB

    • memory/3280-147-0x0000000074C90000-0x0000000074CC9000-memory.dmp

      Filesize

      228KB

    • memory/3280-138-0x00000000007E2730-mapping.dmp

    • memory/3280-140-0x0000000000400000-0x00000000007E4000-memory.dmp

      Filesize

      3.9MB

    • memory/3280-137-0x0000000000400000-0x00000000007E4000-memory.dmp

      Filesize

      3.9MB

    • memory/3280-143-0x0000000000400000-0x00000000007E4000-memory.dmp

      Filesize

      3.9MB

    • memory/3280-144-0x0000000074910000-0x0000000074949000-memory.dmp

      Filesize

      228KB

    • memory/3280-145-0x0000000074C90000-0x0000000074CC9000-memory.dmp

      Filesize

      228KB

    • memory/3280-146-0x0000000000400000-0x00000000007E4000-memory.dmp

      Filesize

      3.9MB

    • memory/3280-139-0x0000000000400000-0x00000000007E4000-memory.dmp

      Filesize

      3.9MB

    • memory/3280-148-0x0000000074C90000-0x0000000074CC9000-memory.dmp

      Filesize

      228KB

    • memory/3280-149-0x0000000074910000-0x0000000074949000-memory.dmp

      Filesize

      228KB

    • memory/3280-150-0x0000000074C90000-0x0000000074CC9000-memory.dmp

      Filesize

      228KB

    • memory/3280-151-0x0000000074C90000-0x0000000074CC9000-memory.dmp

      Filesize

      228KB

    • memory/3280-152-0x0000000074C90000-0x0000000074CC9000-memory.dmp

      Filesize

      228KB

    • memory/3280-153-0x0000000074C90000-0x0000000074CC9000-memory.dmp

      Filesize

      228KB

    • memory/3280-154-0x0000000074C90000-0x0000000074CC9000-memory.dmp

      Filesize

      228KB