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Analysis

  • max time kernel
    142s
  • max time network
    153s
  • platform
    windows7_x64
  • resource
    win7-20230712-en
  • resource tags

    arch:x64arch:x86image:win7-20230712-enlocale:en-usos:windows7-x64system
  • submitted
    04/08/2023, 14:46

General

  • Target

    a8331e50e85849f47d59f1d1f14fd78e.bin.exe

  • Size

    1.1MB

  • MD5

    a8331e50e85849f47d59f1d1f14fd78e

  • SHA1

    709f5b95b0b51079f6b9374a30e0a2319ee2cfa3

  • SHA256

    62f1d4e331c6eaa835a1b1cd59244a6b064f0dfe8b97f07ec51336b6258a1eba

  • SHA512

    c42d6abc7108c2d50bf1f7b272f3c5cff9a5a8134db9fd3a871aab48fd12b74521780b734db1224a6953d4ad0be14dc1e4b0de9a00a6bd1ba8da350e2bdf54e3

  • SSDEEP

    24576:Uo53R8dBoeZfWoXzNOraLyMkKH/5KOguyRs6CE3jLMpppdpppppUO9Rs6CE3jLMt:55CbTf/BEaLyv8YuyRs6CE3jLbO9Rs6I

Malware Config

Signatures

  • DcRat

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

  • DCRat payload 5 IoCs

    Detects payload of DCRat, commonly dropped by NSIS installers.

  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 13 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a8331e50e85849f47d59f1d1f14fd78e.bin.exe
    "C:\Users\Admin\AppData\Local\Temp\a8331e50e85849f47d59f1d1f14fd78e.bin.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1188
    • C:\Users\Admin\AppData\Local\Temp\a8331e50e85849f47d59f1d1f14fd78e.bin.exe
      "{path}"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2964

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1188-54-0x0000000000A80000-0x0000000000BAA000-memory.dmp

    Filesize

    1.2MB

  • memory/1188-55-0x0000000074C90000-0x000000007537E000-memory.dmp

    Filesize

    6.9MB

  • memory/1188-56-0x00000000006C0000-0x0000000000700000-memory.dmp

    Filesize

    256KB

  • memory/1188-57-0x0000000074C90000-0x000000007537E000-memory.dmp

    Filesize

    6.9MB

  • memory/1188-58-0x00000000002E0000-0x00000000002F4000-memory.dmp

    Filesize

    80KB

  • memory/1188-59-0x00000000054B0000-0x0000000005584000-memory.dmp

    Filesize

    848KB

  • memory/1188-60-0x0000000005A40000-0x0000000005B1C000-memory.dmp

    Filesize

    880KB

  • memory/1188-73-0x0000000074C90000-0x000000007537E000-memory.dmp

    Filesize

    6.9MB

  • memory/2964-69-0x0000000000400000-0x00000000004DA000-memory.dmp

    Filesize

    872KB

  • memory/2964-76-0x0000000004A10000-0x0000000004A50000-memory.dmp

    Filesize

    256KB

  • memory/2964-65-0x0000000000400000-0x00000000004DA000-memory.dmp

    Filesize

    872KB

  • memory/2964-67-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2964-62-0x0000000000400000-0x00000000004DA000-memory.dmp

    Filesize

    872KB

  • memory/2964-71-0x0000000000400000-0x00000000004DA000-memory.dmp

    Filesize

    872KB

  • memory/2964-74-0x0000000000400000-0x00000000004DA000-memory.dmp

    Filesize

    872KB

  • memory/2964-61-0x0000000000400000-0x00000000004DA000-memory.dmp

    Filesize

    872KB

  • memory/2964-75-0x0000000074C10000-0x00000000752FE000-memory.dmp

    Filesize

    6.9MB

  • memory/2964-63-0x0000000000400000-0x00000000004DA000-memory.dmp

    Filesize

    872KB

  • memory/2964-77-0x0000000000670000-0x000000000068C000-memory.dmp

    Filesize

    112KB

  • memory/2964-78-0x00000000008B0000-0x00000000008C6000-memory.dmp

    Filesize

    88KB

  • memory/2964-79-0x00000000009E0000-0x00000000009F0000-memory.dmp

    Filesize

    64KB

  • memory/2964-80-0x0000000000A50000-0x0000000000A5C000-memory.dmp

    Filesize

    48KB

  • memory/2964-81-0x0000000000A60000-0x0000000000A6E000-memory.dmp

    Filesize

    56KB

  • memory/2964-82-0x0000000074C10000-0x00000000752FE000-memory.dmp

    Filesize

    6.9MB

  • memory/2964-83-0x0000000004A10000-0x0000000004A50000-memory.dmp

    Filesize

    256KB