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Analysis

  • max time kernel
    100s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230220-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27/05/2023, 17:58

General

  • Target

    01522199.exe

  • Size

    800KB

  • MD5

    adac3ea10f4ed158473fe3680fc1efb2

  • SHA1

    08b6afa1523b959c8c1cbbfd4ad0188ed65956f9

  • SHA256

    21f916b721f00ac97997267dfb601165e5718f9253fcf7b07938575c531ccef0

  • SHA512

    e41344a67ab71dbe21f5a83a001f264925eea5ead065463d73b81d4ad9c865fd45c820e66536a91e8e2dcfd69393f222c6f81d68a8bed4067611f7a4d881ebad

  • SSDEEP

    24576:IK4Sbx1gpQxETtWMrNtKRxU+MBqBPMwsY:Ibm2pQabpQRa+MBqa

Score
10/10

Malware Config

Signatures

  • DcRat

    DarkCrystal(DC) is a new .NET RAT active since June 2019 capable of loading additional plugins.

  • DCRat payload 1 IoCs

    Detects payload of DCRat, commonly dropped by NSIS installers.

  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 13 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 5 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\01522199.exe
    "C:\Users\Admin\AppData\Local\Temp\01522199.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:4652
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
      "C:\\Windows\\Microsoft.NET\\Framework\\v4.0.30319\\AppLaunch.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2364

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • memory/2364-134-0x0000000000400000-0x00000000004A4000-memory.dmp

    Filesize

    656KB

  • memory/2364-139-0x0000000006580000-0x0000000006B24000-memory.dmp

    Filesize

    5.6MB

  • memory/2364-140-0x0000000005870000-0x0000000005880000-memory.dmp

    Filesize

    64KB

  • memory/2364-141-0x00000000062E0000-0x0000000006330000-memory.dmp

    Filesize

    320KB

  • memory/2364-142-0x0000000007250000-0x00000000072E2000-memory.dmp

    Filesize

    584KB

  • memory/2364-143-0x0000000007460000-0x00000000074C6000-memory.dmp

    Filesize

    408KB

  • memory/2364-144-0x0000000005870000-0x0000000005880000-memory.dmp

    Filesize

    64KB