Resubmissions

28-09-2024 14:59

240928-sc7bxathrh 10

10-03-2024 02:50

240310-dbm5baae49 10

Analysis

  • max time kernel
    33s
  • max time network
    35s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-fr
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-frlocale:fr-fros:windows10-2004-x64systemwindows
  • submitted
    28-09-2024 14:59

General

  • Target

    Client-built.exe

  • Size

    78KB

  • MD5

    f9ccc3b920b155b87257c47d0657ccbf

  • SHA1

    120fee2be7f31d93bbe8addbfe43542ab594e4db

  • SHA256

    52806733876487d323b3bf9e9db60fc7600f75e4fa104ec6f7a469566b0613c6

  • SHA512

    faf3241f0425024dd18f7a8a99d75d0a1b0d6411cac01546e6aebe993d1212a4fb294c513b92bda21bd8dc2cd157d6147083b87cba80e6bb408f2864f5264863

  • SSDEEP

    1536:J2WjO8XeEXFR5P7v88wbjNrfxCXhRoKV6+V+6PIC:JZf5PDwbjNrmAE+mIC

Malware Config

Extracted

Family

discordrat

Attributes
  • discord_token

    2c063a195a76d80aa1582cb5cab8075c1628d5a3b7bb597316787d1a12b16175

  • server_id

    1216215871526277180

Signatures

  • Discord RAT

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

  • Checks SCSI registry key(s) 3 TTPs 3 IoCs

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

  • Checks processor information in registry 2 TTPs 2 IoCs

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

  • Modifies registry class 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 34 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of FindShellTrayWindow 42 IoCs
  • Suspicious use of SendNotifyMessage 42 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Client-built.exe
    "C:\Users\Admin\AppData\Local\Temp\Client-built.exe"
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:4728
  • C:\Windows\system32\taskmgr.exe
    "C:\Windows\system32\taskmgr.exe" /4
    1⤵
    • Checks SCSI registry key(s)
    • Checks processor information in registry
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    PID:4668
  • C:\Windows\System32\rundll32.exe
    C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
    1⤵
      PID:376
    • C:\Windows\System32\-ue4vv.exe
      "C:\Windows\System32\-ue4vv.exe"
      1⤵
        PID:3100

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/4668-17-0x00000153FAC00000-0x00000153FAC01000-memory.dmp

        Filesize

        4KB

      • memory/4668-8-0x00000153FAC00000-0x00000153FAC01000-memory.dmp

        Filesize

        4KB

      • memory/4668-7-0x00000153FAC00000-0x00000153FAC01000-memory.dmp

        Filesize

        4KB

      • memory/4668-14-0x00000153FAC00000-0x00000153FAC01000-memory.dmp

        Filesize

        4KB

      • memory/4668-13-0x00000153FAC00000-0x00000153FAC01000-memory.dmp

        Filesize

        4KB

      • memory/4668-15-0x00000153FAC00000-0x00000153FAC01000-memory.dmp

        Filesize

        4KB

      • memory/4668-6-0x00000153FAC00000-0x00000153FAC01000-memory.dmp

        Filesize

        4KB

      • memory/4668-12-0x00000153FAC00000-0x00000153FAC01000-memory.dmp

        Filesize

        4KB

      • memory/4668-16-0x00000153FAC00000-0x00000153FAC01000-memory.dmp

        Filesize

        4KB

      • memory/4668-18-0x00000153FAC00000-0x00000153FAC01000-memory.dmp

        Filesize

        4KB

      • memory/4728-5-0x0000019FCBD10000-0x0000019FCC238000-memory.dmp

        Filesize

        5.2MB

      • memory/4728-4-0x00007FF8F9DA0000-0x00007FF8FA861000-memory.dmp

        Filesize

        10.8MB

      • memory/4728-0-0x00007FF8F9DA3000-0x00007FF8F9DA5000-memory.dmp

        Filesize

        8KB

      • memory/4728-2-0x0000019FCB610000-0x0000019FCB7D2000-memory.dmp

        Filesize

        1.8MB

      • memory/4728-1-0x0000019FB0E90000-0x0000019FB0EA8000-memory.dmp

        Filesize

        96KB

      • memory/4728-3-0x0000019FB2BB0000-0x0000019FB2BF2000-memory.dmp

        Filesize

        264KB

      • memory/4728-19-0x00007FF8F9DA0000-0x00007FF8FA861000-memory.dmp

        Filesize

        10.8MB