Analysis

  • max time kernel
    24s
  • max time network
    21s
  • platform
    windows10-ltsc 2021_x64
  • resource
    win10ltsc2021-20241023-en
  • resource tags

    arch:x64arch:x86image:win10ltsc2021-20241023-enlocale:en-usos:windows10-ltsc 2021-x64system
  • submitted
    20-11-2024 20:50

General

  • Target

    release (1).zip

  • Size

    445KB

  • MD5

    06a4fcd5eb3a39d7f50a0709de9900db

  • SHA1

    50d089e915f69313a5187569cda4e6dec2d55ca7

  • SHA256

    c13a0cd7c2c2fd577703bff026b72ed81b51266afa047328c8ff1c4a4d965c97

  • SHA512

    75e5f637fd3282d088b1c0c1efd0de8a128f681e4ac66d6303d205471fe68b4fbf0356a21d803aff2cca6def455abad8619fedc8c7d51e574640eda0df561f9b

  • SSDEEP

    12288:BfJ13+GoLo2d5ifXHE8134QwYOwFSFRiLQI:BKGo8EifSQwYWI

Malware Config

Signatures

  • Discord RAT

    A RAT written in C# using Discord as a C2.

  • Discordrat family
  • Executes dropped EXE 2 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of FindShellTrayWindow 3 IoCs

Processes

  • C:\Program Files\7-Zip\7zFM.exe
    "C:\Program Files\7-Zip\7zFM.exe" "C:\Users\Admin\AppData\Local\Temp\release (1).zip"
    1⤵
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    PID:4640
  • C:\Windows\System32\rundll32.exe
    C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
    1⤵
      PID:220
    • C:\Users\Admin\Desktop\New folder\builder.exe
      "C:\Users\Admin\Desktop\New folder\builder.exe"
      1⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of FindShellTrayWindow
      PID:4416
    • C:\Users\Admin\Desktop\New folder\Release\Discord rat.exe
      "C:\Users\Admin\Desktop\New folder\Release\Discord rat.exe"
      1⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:4224

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Users\Admin\Desktop\New folder\Release\Discord rat.exe

      Filesize

      79KB

      MD5

      d13905e018eb965ded2e28ba0ab257b5

      SHA1

      6d7fe69566fddc69b33d698591c9a2c70d834858

      SHA256

      2bd631c6665656673a923c13359b0dc211debc05b2885127e26b0dce808e2dec

      SHA512

      b95bfdebef33ac72b6c21cdf0abb4961222b7efd17267cd7236e731dd0b6105ece28e784a95455f1ffc8a6dd1d580a467b07b3bd8cb2fb19e2111f1a864c97cb

    • C:\Users\Admin\Desktop\New folder\builder.exe

      Filesize

      10KB

      MD5

      4f04f0e1ff050abf6f1696be1e8bb039

      SHA1

      bebf3088fff4595bfb53aea6af11741946bbd9ce

      SHA256

      ded51c306ee7e59fa15c42798c80f988f6310ea77ab77de3d12dc01233757cfa

      SHA512

      94713824b81de323e368fde18679ef8b8f2883378bffd2b7bd2b4e4bd5d48b35c6e71c9f8e9b058ba497db1bd0781807e5b7cecfd540dad611da0986c72b9f12

    • memory/4224-18-0x0000019943810000-0x0000019943828000-memory.dmp

      Filesize

      96KB

    • memory/4224-19-0x000001995DE40000-0x000001995E002000-memory.dmp

      Filesize

      1.8MB

    • memory/4224-20-0x000001995F0C0000-0x000001995F5E8000-memory.dmp

      Filesize

      5.2MB

    • memory/4416-8-0x0000000074B1E000-0x0000000074B1F000-memory.dmp

      Filesize

      4KB

    • memory/4416-9-0x00000000008A0000-0x00000000008A8000-memory.dmp

      Filesize

      32KB

    • memory/4416-10-0x00000000059D0000-0x0000000005F76000-memory.dmp

      Filesize

      5.6MB

    • memory/4416-11-0x00000000052D0000-0x0000000005362000-memory.dmp

      Filesize

      584KB

    • memory/4416-12-0x00000000052A0000-0x00000000052AA000-memory.dmp

      Filesize

      40KB

    • memory/4416-13-0x0000000074B10000-0x00000000752C1000-memory.dmp

      Filesize

      7.7MB

    • memory/4416-15-0x0000000074B10000-0x00000000752C1000-memory.dmp

      Filesize

      7.7MB