Overview

overview

10

Static

static

10

869e6e56d6...fc.exe

windows10-1703-x64

10

Analysis

  • max time kernel
    300s
  • max time network
    302s
  • platform
    windows10-1703_x64
  • resource
    win10-20230831-en
  • resource tags

    arch:x64arch:x86image:win10-20230831-enlocale:en-usos:windows10-1703-x64system
  • submitted
    09-09-2023 21:13

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General

  • Target

    869e6e56d6c9849420442213a468c9fc.exe

  • Size

    138KB

  • MD5

    869e6e56d6c9849420442213a468c9fc

  • SHA1

    4f7e64126cd4adf324ee989ffa1efb5870178074

  • SHA256

    9f46555944110c0b982e05620a58e6a3828fa6ad8e8dd8f55894e25150207a5e

  • SHA512

    db12472b8d74c6f0feafc52d0233f725561de54c6d23687f48b5d8a16c211c20f4abf6bc8057246cc048c958f15f921dff664af49e0c9bb18911839a47ac0a85

  • SSDEEP

    3072:Kbvr5mz7Bqh1v59Y08mAjs0Ltel+qOeJHlpV8b+Y/Yd:Kbv9S7BqjjYHdrqkL/

Score
10/10
arrowrat5t74s3persistencerat

Malware Config

Extracted

Family

arrowrat

Botnet

5T74S3

C2

febbit3.ddns.net:1338

Mutex

Y5EJ2C

Signatures

  • ArrowRat

    Remote access tool with various capabilities first seen in late 2021.

    ratarrowrat
  • Modifies Installed Components in the registry 2 TTPs 1 IoCs
    persistence
  • Enumerates connected drives 3 TTPs 2 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Suspicious use of SetThreadContext 1 IoCs
  • Drops file in Windows directory 3 IoCs
  • Program crash 1 IoCs
  • Checks SCSI registry key(s) 3 TTPs 22 IoCs

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

  • Enumerates system info in registry 2 TTPs 2 IoCs
  • Modifies Internet Explorer settings 1 TTPs 1 IoCs
    adwarespyware
  • Modifies registry class 29 IoCs
  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 31 IoCs
  • Suspicious use of FindShellTrayWindow 33 IoCs
  • Suspicious use of SendNotifyMessage 20 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 15 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\869e6e56d6c9849420442213a468c9fc.exe
    "C:\Users\Admin\AppData\Local\Temp\869e6e56d6c9849420442213a468c9fc.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3004
    • C:\Windows\explorer.exe
      "C:\Windows\explorer.exe"
      2⤵
      • Modifies Installed Components in the registry
      • Enumerates connected drives
      • Drops file in Windows directory
      • Checks SCSI registry key(s)
      • Modifies registry class
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of WriteProcessMemory
      PID:5028
      • C:\Windows\system32\ctfmon.exe
        ctfmon.exe
        3⤵
          PID:4496
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe" 5T74S3 febbit3.ddns.net 1338 Y5EJ2C
        2⤵
          PID:1768
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe
          "C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe" 5T74S3 febbit3.ddns.net 1338 Y5EJ2C
          2⤵
            PID:800
          • C:\Windows\system32\WerFault.exe
            C:\Windows\system32\WerFault.exe -u -p 3004 -s 904
            2⤵
            • Program crash
            PID:4420
        • C:\Windows\SystemApps\Microsoft.Windows.Cortana_cw5n1h2txyewy\SearchUI.exe
          "C:\Windows\SystemApps\Microsoft.Windows.Cortana_cw5n1h2txyewy\SearchUI.exe" -ServerName:CortanaUI.AppXa50dqqa5gqv4a428c9y1jjw7m3btvepj.mca
          1⤵
          • Drops file in Windows directory
          • Enumerates system info in registry
          • Modifies Internet Explorer settings
          • Modifies registry class
          • Suspicious use of SetWindowsHookEx
          PID:1028

        Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • memory/800-10-0x0000000009F30000-0x0000000009F96000-memory.dmp

          Filesize

          408KB

          Download

        • memory/800-6-0x0000000009130000-0x00000000091C2000-memory.dmp

          Filesize

          584KB

          Download

        • memory/800-87-0x0000000009420000-0x0000000009430000-memory.dmp

          Filesize

          64KB

          Download

        • memory/800-5-0x0000000073140000-0x000000007382E000-memory.dmp

          Filesize

          6.9MB

          Download

        • memory/800-13-0x000000000A0A0000-0x000000000A0F0000-memory.dmp

          Filesize

          320KB

          Download

        • memory/800-7-0x00000000091D0000-0x000000000926C000-memory.dmp

          Filesize

          624KB

          Download

        • memory/800-8-0x0000000009420000-0x0000000009430000-memory.dmp

          Filesize

          64KB

          Download

        • memory/800-82-0x0000000073140000-0x000000007382E000-memory.dmp

          Filesize

          6.9MB

          Download

        • memory/800-9-0x0000000009930000-0x0000000009E2E000-memory.dmp

          Filesize

          5.0MB

          Download

        • memory/800-1-0x0000000000400000-0x0000000000416000-memory.dmp

          Filesize

          88KB

          Download

        • memory/1028-23-0x000001A6BF500000-0x000001A6BF520000-memory.dmp

          Filesize

          128KB

          Download

        • memory/1028-26-0x000001A6BF680000-0x000001A6BF6A0000-memory.dmp

          Filesize

          128KB

          Download

        • memory/3004-2-0x00007FFFD6490000-0x00007FFFD6E7C000-memory.dmp

          Filesize

          9.9MB

          Download

        • memory/3004-76-0x00007FFFD6490000-0x00007FFFD6E7C000-memory.dmp

          Filesize

          9.9MB

          Download

        • memory/3004-0-0x00000256AAA70000-0x00000256AAA98000-memory.dmp

          Filesize

          160KB

          Download

        • memory/5028-17-0x0000000002D80000-0x0000000002D81000-memory.dmp

          Filesize

          4KB

          Download

        • memory/5028-104-0x00000000051A0000-0x0000000005335000-memory.dmp

          Filesize

          1.6MB

          Download