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Resubmissions

22/09/2021, 14:35

210922-ryctradad5 10

Analysis

  • max time kernel
    1800s
  • max time network
    1805s
  • platform
    windows10-1703_x64
  • resource
    win10-20240404-en
  • resource tags

    arch:x64arch:x86image:win10-20240404-enlocale:en-usos:windows10-1703-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
  • 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 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\81e2ddde718f731a46f765b613be06c7f77a5f43436c542fe5ac7218108228fb.exe
    "C:\Users\Admin\AppData\Local\Temp\81e2ddde718f731a46f765b613be06c7f77a5f43436c542fe5ac7218108228fb.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:508
    • C:\windows\hh.exe
      "C:\windows\hh.exe"
      2⤵
        PID:956
      • C:\Users\Admin\AppData\Local\Temp\GetX64BTIT.exe
        "C:\Users\Admin\AppData\Local\Temp\GetX64BTIT.exe"
        2⤵
        • Executes dropped EXE
        PID:4008

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

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

      Filesize

      3KB

      MD5

      b4cd27f2b37665f51eb9fe685ec1d373

      SHA1

      7f08febf0fdb7fc9f8bf35a10fb11e7de431abe0

      SHA256

      91f1023142b7babf6ff75dad984c2a35bde61dc9e61f45483f4b65008576d581

      SHA512

      e025f65224d78f5fd0abebe281ac0d44a385b2641e367cf39eed6aefada20a112ac47f94d7febc4424f1db6a6947bac16ff83ef93a8d745b3cddfdbe64c49a1e

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

      Filesize

      28B

      MD5

      19bad3b48498495eb4b223fd1a5e3648

      SHA1

      e849b17f9545332f69f6f5e4afe07e6f7ff2e797

      SHA256

      4807379025f765ed9ec7dc11c81b379aea57cdfa993feddeb9d9b57c7a54fb2b

      SHA512

      4494768059780cfc2cd9cb57fb45f3fd81e491646fd98f5d0269c16bd6197b9c332111e4e2bfba11de2a15eafaf158ea90b7a29a731346f16de3720590727722

    • memory/508-17-0x0000000002810000-0x00000000028AF000-memory.dmp

      Filesize

      636KB

    • memory/508-20-0x00000000006C0000-0x00000000006C1000-memory.dmp

      Filesize

      4KB

    • memory/508-4-0x0000000002810000-0x00000000028AF000-memory.dmp

      Filesize

      636KB

    • memory/508-5-0x0000000002810000-0x00000000028AF000-memory.dmp

      Filesize

      636KB

    • memory/508-6-0x0000000002810000-0x00000000028AF000-memory.dmp

      Filesize

      636KB

    • memory/508-8-0x0000000002810000-0x00000000028AF000-memory.dmp

      Filesize

      636KB

    • memory/508-2-0x0000000002810000-0x00000000028AF000-memory.dmp

      Filesize

      636KB

    • memory/508-1-0x00000000023D0000-0x00000000024B2000-memory.dmp

      Filesize

      904KB

    • memory/508-15-0x0000000002810000-0x00000000028AF000-memory.dmp

      Filesize

      636KB

    • memory/508-21-0x0000000002810000-0x00000000028AF000-memory.dmp

      Filesize

      636KB

    • memory/508-3-0x0000000000400000-0x0000000000545000-memory.dmp

      Filesize

      1.3MB

    • memory/508-0-0x00000000006C0000-0x00000000006C1000-memory.dmp

      Filesize

      4KB

    • memory/508-16-0x0000000002810000-0x00000000028AF000-memory.dmp

      Filesize

      636KB

    • memory/508-22-0x0000000002810000-0x00000000028AF000-memory.dmp

      Filesize

      636KB

    • memory/508-26-0x0000000002810000-0x00000000028AF000-memory.dmp

      Filesize

      636KB

    • memory/508-28-0x0000000002810000-0x00000000028AF000-memory.dmp

      Filesize

      636KB

    • memory/508-30-0x0000000002810000-0x00000000028AF000-memory.dmp

      Filesize

      636KB

    • memory/508-38-0x0000000002810000-0x00000000028AF000-memory.dmp

      Filesize

      636KB

    • memory/508-41-0x0000000002810000-0x00000000028AF000-memory.dmp

      Filesize

      636KB

    • memory/508-43-0x0000000002810000-0x00000000028AF000-memory.dmp

      Filesize

      636KB

    • memory/508-45-0x0000000002810000-0x00000000028AF000-memory.dmp

      Filesize

      636KB

    • memory/508-48-0x0000000002810000-0x00000000028AF000-memory.dmp

      Filesize

      636KB