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22/09/2021, 14:35

210922-ryctradad5 10

Analysis

  • max time kernel
    1200s
  • max time network
    1171s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240412-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-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

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • 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⤵
    • Checks computer location settings
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4016
    • C:\windows\hh.exe
      "C:\windows\hh.exe"
      2⤵
        PID:2856
      • C:\Users\Admin\AppData\Local\Temp\GetX64BTIT.exe
        "C:\Users\Admin\AppData\Local\Temp\GetX64BTIT.exe"
        2⤵
        • Executes dropped EXE
        PID:1964

    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

      7696657997e71b0d008a4ac5bc5aded9

      SHA1

      0bccd4e89907c83c4449f3bc5782a3ee7004a575

      SHA256

      83c10a1c29fbb418a5152cecee7f323d0b19b780716c48404e128540b0937e24

      SHA512

      0c3db893017bddf51039ef2ae8e47e78f3b2013d84befd839434d65be47c0ab32fe33f511bd2c1e33b3c0adbae30d022eb64122562303dd658161f01abb06e52

    • memory/4016-17-0x0000000003520000-0x00000000035BF000-memory.dmp

      Filesize

      636KB

    • memory/4016-19-0x0000000003520000-0x00000000035BF000-memory.dmp

      Filesize

      636KB

    • memory/4016-4-0x0000000003520000-0x00000000035BF000-memory.dmp

      Filesize

      636KB

    • memory/4016-5-0x0000000003520000-0x00000000035BF000-memory.dmp

      Filesize

      636KB

    • memory/4016-6-0x0000000003520000-0x00000000035BF000-memory.dmp

      Filesize

      636KB

    • memory/4016-8-0x0000000003520000-0x00000000035BF000-memory.dmp

      Filesize

      636KB

    • memory/4016-2-0x0000000000400000-0x0000000000545000-memory.dmp

      Filesize

      1.3MB

    • memory/4016-1-0x00000000028C0000-0x00000000029A2000-memory.dmp

      Filesize

      904KB

    • memory/4016-15-0x0000000003520000-0x00000000035BF000-memory.dmp

      Filesize

      636KB

    • memory/4016-22-0x0000000003520000-0x00000000035BF000-memory.dmp

      Filesize

      636KB

    • memory/4016-3-0x0000000003520000-0x00000000035BF000-memory.dmp

      Filesize

      636KB

    • memory/4016-0-0x0000000000750000-0x0000000000751000-memory.dmp

      Filesize

      4KB

    • memory/4016-16-0x0000000003520000-0x00000000035BF000-memory.dmp

      Filesize

      636KB

    • memory/4016-23-0x0000000003520000-0x00000000035BF000-memory.dmp

      Filesize

      636KB

    • memory/4016-25-0x0000000003520000-0x00000000035BF000-memory.dmp

      Filesize

      636KB

    • memory/4016-27-0x0000000003520000-0x00000000035BF000-memory.dmp

      Filesize

      636KB

    • memory/4016-30-0x0000000003520000-0x00000000035BF000-memory.dmp

      Filesize

      636KB

    • memory/4016-32-0x0000000003520000-0x00000000035BF000-memory.dmp

      Filesize

      636KB

    • memory/4016-34-0x0000000003520000-0x00000000035BF000-memory.dmp

      Filesize

      636KB

    • memory/4016-38-0x0000000003520000-0x00000000035BF000-memory.dmp

      Filesize

      636KB

    • memory/4016-69-0x0000000003520000-0x00000000035BF000-memory.dmp

      Filesize

      636KB

    • memory/4016-72-0x0000000003520000-0x00000000035BF000-memory.dmp

      Filesize

      636KB