Analysis

  • max time kernel
    122s
  • max time network
    127s
  • platform
    windows7_x64
  • resource
    win7-20230712-en
  • resource tags

    arch:x64arch:x86image:win7-20230712-enlocale:en-usos:windows7-x64system
  • submitted
    17/08/2023, 18:36

General

  • Target

    agentbrowser.exe

  • Size

    947KB

  • MD5

    9a84688aca96d89b149e213f6d059bfb

  • SHA1

    043c929249d1dcbdddf4cfd278be4425f25bb644

  • SHA256

    f8ee97725f7f1cdf37b5899e287c8497293e76ab372ee22bd9922ba3624e1b52

  • SHA512

    c623def7e6276f72993e52c0ad603dbaaabbe85c4856c09c4a03f7180d333f16f5c159722c511e8ae8ccdc9a5d65d1d553b8686f13fdb9f336aaf41b39ef84b5

  • SSDEEP

    12288:Xy0xAU7MjsetEfSDi22d7ysdcdvvO++zzYmn2Ybb7VqExqpGzX+UlzF9tpzJ:XAOMjsh722VyJXxCnzoEvzXPhJ

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 AdjustPrivilegeToken 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\agentbrowser.exe
    "C:\Users\Admin\AppData\Local\Temp\agentbrowser.exe"
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:2388

Network

MITRE ATT&CK Matrix

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2388-53-0x0000000001040000-0x0000000001134000-memory.dmp

    Filesize

    976KB

  • memory/2388-54-0x000007FEF6150000-0x000007FEF6B3C000-memory.dmp

    Filesize

    9.9MB

  • memory/2388-55-0x000000001AF10000-0x000000001AF90000-memory.dmp

    Filesize

    512KB

  • memory/2388-56-0x00000000003C0000-0x00000000003CE000-memory.dmp

    Filesize

    56KB

  • memory/2388-57-0x000007FEF6150000-0x000007FEF6B3C000-memory.dmp

    Filesize

    9.9MB