Analysis

  • max time kernel
    148s
  • max time network
    151s
  • platform
    windows7_x64
  • resource
    win7-20230220-en
  • resource tags

    arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
  • submitted
    02-06-2023 10:41

General

  • Target

    1daeb81d9c3201beb8ea848fd869fc80.exe

  • Size

    807KB

  • MD5

    1daeb81d9c3201beb8ea848fd869fc80

  • SHA1

    33aaf3d172952a169e97b4912506b08df3e01c75

  • SHA256

    5d3511735bed246367c3fa97c21ce7bdc9ade8ce5212d4a40504ddc9a9330122

  • SHA512

    1b998a59a2c4d746b270ba5fddd1c1000f457d627c2bef114ea6d116085004deffbfd83d0f50ad56bc1bc366b3647da2499357b704fc4a303e3bbc74f242c115

  • SSDEEP

    24576:KUHKH42cH3Gz0BwDbu2fglQPvX+QZZUI1L3:KuKHGHWgIu+f+QD3

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 3 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 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\1daeb81d9c3201beb8ea848fd869fc80.exe
    "C:\Users\Admin\AppData\Local\Temp\1daeb81d9c3201beb8ea848fd869fc80.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1768
    • 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:1748

Network

MITRE ATT&CK Matrix

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1748-55-0x0000000000400000-0x00000000004A4000-memory.dmp
    Filesize

    656KB

  • memory/1748-56-0x0000000000400000-0x00000000004A4000-memory.dmp
    Filesize

    656KB

  • memory/1748-60-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp
    Filesize

    4KB

  • memory/1748-62-0x0000000000400000-0x00000000004A4000-memory.dmp
    Filesize

    656KB

  • memory/1748-63-0x0000000000400000-0x00000000004A4000-memory.dmp
    Filesize

    656KB

  • memory/1748-64-0x0000000004C90000-0x0000000004CD0000-memory.dmp
    Filesize

    256KB

  • memory/1748-65-0x00000000003E0000-0x00000000003FC000-memory.dmp
    Filesize

    112KB

  • memory/1748-66-0x0000000000500000-0x0000000000516000-memory.dmp
    Filesize

    88KB

  • memory/1748-67-0x0000000004C90000-0x0000000004CD0000-memory.dmp
    Filesize

    256KB