Analysis

  • max time kernel
    122s
  • max time network
    126s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    11-01-2024 21:38

General

  • Target

    54a5f99822a066788b005a9eabe2dea0.exe

  • Size

    1.5MB

  • MD5

    54a5f99822a066788b005a9eabe2dea0

  • SHA1

    9f13c7eda44d609427c6b37655bf7b3d32e5abeb

  • SHA256

    45930aced8c185ad02fafc0f7299d48a44d14331fdc2cdf599bd3aa92faf82f1

  • SHA512

    2bca4f48fb8f9843d6b597087c8f7526890cca284b152fda89f16eef491b88d3b7c3e2a0bd5d74dddf2498e4be995c04259a537c87269f8406307ebeca563fcc

  • SSDEEP

    24576:UJd5dnADbdI0fRQMUYTY+uhqh98zeEQrtg6kgyD12S:CXdAHPRFjTYLS8zDug7gs7

Score
10/10

Malware Config

Extracted

Family

arkei

C2

185.248.102.41/fixe%00/crate.php

Signatures

  • Arkei

    Arkei is an infostealer written in C++.

  • CustAttr .NET packer 1 IoCs

    Detects CustAttr .NET packer in memory.

  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\54a5f99822a066788b005a9eabe2dea0.exe
    "C:\Users\Admin\AppData\Local\Temp\54a5f99822a066788b005a9eabe2dea0.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2856
    • C:\Users\Admin\AppData\Local\Temp\54a5f99822a066788b005a9eabe2dea0.exe
      "C:\Users\Admin\AppData\Local\Temp\54a5f99822a066788b005a9eabe2dea0.exe"
      2⤵
        PID:2664
      • C:\Users\Admin\AppData\Local\Temp\54a5f99822a066788b005a9eabe2dea0.exe
        "C:\Users\Admin\AppData\Local\Temp\54a5f99822a066788b005a9eabe2dea0.exe"
        2⤵
          PID:1680

      Network

      MITRE ATT&CK Matrix

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/1680-24-0x0000000000400000-0x000000000041B000-memory.dmp

        Filesize

        108KB

      • memory/1680-26-0x0000000000400000-0x000000000041B000-memory.dmp

        Filesize

        108KB

      • memory/1680-9-0x0000000000400000-0x000000000041B000-memory.dmp

        Filesize

        108KB

      • memory/1680-11-0x0000000000400000-0x000000000041B000-memory.dmp

        Filesize

        108KB

      • memory/1680-13-0x0000000000400000-0x000000000041B000-memory.dmp

        Filesize

        108KB

      • memory/1680-15-0x0000000000400000-0x000000000041B000-memory.dmp

        Filesize

        108KB

      • memory/1680-17-0x0000000000400000-0x000000000041B000-memory.dmp

        Filesize

        108KB

      • memory/1680-19-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

        Filesize

        4KB

      • memory/1680-23-0x0000000000400000-0x000000000041B000-memory.dmp

        Filesize

        108KB

      • memory/1680-21-0x0000000000400000-0x000000000041B000-memory.dmp

        Filesize

        108KB

      • memory/2856-5-0x0000000073E10000-0x00000000744FE000-memory.dmp

        Filesize

        6.9MB

      • memory/2856-25-0x0000000073E10000-0x00000000744FE000-memory.dmp

        Filesize

        6.9MB

      • memory/2856-8-0x00000000004E0000-0x00000000004FE000-memory.dmp

        Filesize

        120KB

      • memory/2856-7-0x0000000005AD0000-0x0000000005B58000-memory.dmp

        Filesize

        544KB

      • memory/2856-6-0x0000000004BC0000-0x0000000004C2C000-memory.dmp

        Filesize

        432KB

      • memory/2856-0-0x0000000001190000-0x0000000001310000-memory.dmp

        Filesize

        1.5MB

      • memory/2856-4-0x00000000002E0000-0x00000000002F2000-memory.dmp

        Filesize

        72KB

      • memory/2856-3-0x00000000001F0000-0x00000000001F1000-memory.dmp

        Filesize

        4KB

      • memory/2856-2-0x0000000000EF0000-0x0000000000F30000-memory.dmp

        Filesize

        256KB

      • memory/2856-1-0x0000000073E10000-0x00000000744FE000-memory.dmp

        Filesize

        6.9MB