Analysis

  • max time kernel
    146s
  • max time network
    146s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    13-01-2024 02:01

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 use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\54a5f99822a066788b005a9eabe2dea0.exe
    "C:\Users\Admin\AppData\Local\Temp\54a5f99822a066788b005a9eabe2dea0.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1428
    • C:\Users\Admin\AppData\Local\Temp\54a5f99822a066788b005a9eabe2dea0.exe
      "C:\Users\Admin\AppData\Local\Temp\54a5f99822a066788b005a9eabe2dea0.exe"
      2⤵
        PID:3192

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1428-8-0x0000000005110000-0x0000000005122000-memory.dmp

      Filesize

      72KB

    • memory/1428-13-0x00000000094C0000-0x00000000094DE000-memory.dmp

      Filesize

      120KB

    • memory/1428-1-0x0000000075070000-0x0000000075820000-memory.dmp

      Filesize

      7.7MB

    • memory/1428-4-0x0000000005780000-0x0000000005790000-memory.dmp

      Filesize

      64KB

    • memory/1428-6-0x0000000005830000-0x00000000058CC000-memory.dmp

      Filesize

      624KB

    • memory/1428-5-0x0000000005680000-0x0000000005681000-memory.dmp

      Filesize

      4KB

    • memory/1428-7-0x0000000005730000-0x000000000573A000-memory.dmp

      Filesize

      40KB

    • memory/1428-3-0x0000000005790000-0x0000000005822000-memory.dmp

      Filesize

      584KB

    • memory/1428-2-0x0000000005D40000-0x00000000062E4000-memory.dmp

      Filesize

      5.6MB

    • memory/1428-9-0x0000000075070000-0x0000000075820000-memory.dmp

      Filesize

      7.7MB

    • memory/1428-11-0x0000000006FA0000-0x000000000700C000-memory.dmp

      Filesize

      432KB

    • memory/1428-10-0x0000000005780000-0x0000000005790000-memory.dmp

      Filesize

      64KB

    • memory/1428-12-0x0000000007170000-0x00000000071F8000-memory.dmp

      Filesize

      544KB

    • memory/1428-0-0x0000000000B70000-0x0000000000CF0000-memory.dmp

      Filesize

      1.5MB

    • memory/1428-19-0x0000000075070000-0x0000000075820000-memory.dmp

      Filesize

      7.7MB

    • memory/3192-17-0x0000000000400000-0x000000000041B000-memory.dmp

      Filesize

      108KB

    • memory/3192-18-0x0000000000400000-0x000000000041B000-memory.dmp

      Filesize

      108KB

    • memory/3192-14-0x0000000000400000-0x000000000041B000-memory.dmp

      Filesize

      108KB

    • memory/3192-20-0x0000000000400000-0x000000000041B000-memory.dmp

      Filesize

      108KB