Resubmissions

22-09-2021 14:35

210922-ryctradad5 10

Analysis

  • max time kernel
    300s
  • max time network
    299s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    14-04-2024 14:45

General

  • Target

    81e2ddde718f731a46f765b613be06c7f77a5f43436c542fe5ac7218108228fb.exe

  • Size

    1.2MB

  • MD5

    a1f481baa8334ad8a5c65919af2b6346

  • SHA1

    aec7cd3a72d96948bf741bba48048c1b5cf3f036

  • SHA256

    81e2ddde718f731a46f765b613be06c7f77a5f43436c542fe5ac7218108228fb

  • SHA512

    e0c28dabe65224c2a40612e18807dc7ccdb58168be304f38f625936b1ebbdf1a6233f6e8f3d3a676e9c82ae3d9e6477cdeac8299c670ae3676b3ca4c3fc434a8

  • SSDEEP

    12288:u+rq0yKJ7KZeBA4DVzlzEyn2QFqTjCAjkTnV/QH7OTzId2nfpN3fXz:FW0yreAkpzP/QCAjkTmbOwYRZj

Score
10/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Looks up external IP address via web service 2 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Uses Tor communications 1 TTPs

    Malware can proxy its traffic through Tor for more anonymity.

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\81e2ddde718f731a46f765b613be06c7f77a5f43436c542fe5ac7218108228fb.exe
    "C:\Users\Admin\AppData\Local\Temp\81e2ddde718f731a46f765b613be06c7f77a5f43436c542fe5ac7218108228fb.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1284
    • C:\windows\hh.exe
      "C:\windows\hh.exe"
      2⤵
        PID:2984
      • C:\Users\Admin\AppData\Local\Temp\GetX64BTIT.exe
        "C:\Users\Admin\AppData\Local\Temp\GetX64BTIT.exe"
        2⤵
        • Executes dropped EXE
        PID:2580

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\x64btit.txt

      Filesize

      28B

      MD5

      9fc4ec14e4a1f99faabb78d1d1bfddc5

      SHA1

      ae2666efc30768f4ed4c1d3b12c47f45e10061fb

      SHA256

      59fa91b000c2c454d3d98159d25405ecfc9b3e1f8c268c386daa8b9fedfcf85f

      SHA512

      f00aa333796768459bfb49cbbbd78fd470f090fe4f7db1893da0ea7811b0d92cbeb6ed175a62e72174e21cb566efc737367d0531fb09a078378e6052a0f4a1d7

    • \Users\Admin\AppData\Local\Temp\GetX64BTIT.exe

      Filesize

      3KB

      MD5

      b4cd27f2b37665f51eb9fe685ec1d373

      SHA1

      7f08febf0fdb7fc9f8bf35a10fb11e7de431abe0

      SHA256

      91f1023142b7babf6ff75dad984c2a35bde61dc9e61f45483f4b65008576d581

      SHA512

      e025f65224d78f5fd0abebe281ac0d44a385b2641e367cf39eed6aefada20a112ac47f94d7febc4424f1db6a6947bac16ff83ef93a8d745b3cddfdbe64c49a1e

    • memory/1284-21-0x00000000021F0000-0x000000000228F000-memory.dmp

      Filesize

      636KB

    • memory/1284-4-0x00000000021F0000-0x000000000228F000-memory.dmp

      Filesize

      636KB

    • memory/1284-22-0x00000000021F0000-0x000000000228F000-memory.dmp

      Filesize

      636KB

    • memory/1284-23-0x00000000021F0000-0x000000000228F000-memory.dmp

      Filesize

      636KB

    • memory/1284-6-0x00000000021F0000-0x000000000228F000-memory.dmp

      Filesize

      636KB

    • memory/1284-7-0x00000000021F0000-0x000000000228F000-memory.dmp

      Filesize

      636KB

    • memory/1284-8-0x00000000021F0000-0x000000000228F000-memory.dmp

      Filesize

      636KB

    • memory/1284-2-0x0000000000400000-0x0000000000545000-memory.dmp

      Filesize

      1.3MB

    • memory/1284-1-0x0000000001F80000-0x0000000002062000-memory.dmp

      Filesize

      904KB

    • memory/1284-16-0x0000000010000000-0x0000000010016000-memory.dmp

      Filesize

      88KB

    • memory/1284-18-0x0000000003220000-0x000000000323F000-memory.dmp

      Filesize

      124KB

    • memory/1284-20-0x00000000021F0000-0x000000000228F000-memory.dmp

      Filesize

      636KB

    • memory/1284-69-0x00000000021F0000-0x000000000228F000-memory.dmp

      Filesize

      636KB

    • memory/1284-3-0x00000000021F0000-0x000000000228F000-memory.dmp

      Filesize

      636KB

    • memory/1284-5-0x00000000021F0000-0x000000000228F000-memory.dmp

      Filesize

      636KB

    • memory/1284-26-0x0000000000220000-0x0000000000221000-memory.dmp

      Filesize

      4KB

    • memory/1284-29-0x00000000021F0000-0x000000000228F000-memory.dmp

      Filesize

      636KB

    • memory/1284-34-0x00000000021F0000-0x000000000228F000-memory.dmp

      Filesize

      636KB

    • memory/1284-39-0x00000000021F0000-0x000000000228F000-memory.dmp

      Filesize

      636KB

    • memory/1284-40-0x00000000021F0000-0x000000000228F000-memory.dmp

      Filesize

      636KB

    • memory/1284-45-0x00000000021F0000-0x000000000228F000-memory.dmp

      Filesize

      636KB

    • memory/1284-50-0x00000000021F0000-0x000000000228F000-memory.dmp

      Filesize

      636KB

    • memory/1284-55-0x00000000021F0000-0x000000000228F000-memory.dmp

      Filesize

      636KB

    • memory/1284-56-0x00000000021F0000-0x000000000228F000-memory.dmp

      Filesize

      636KB

    • memory/1284-63-0x00000000021F0000-0x000000000228F000-memory.dmp

      Filesize

      636KB

    • memory/1284-0-0x0000000000220000-0x0000000000221000-memory.dmp

      Filesize

      4KB