Analysis

  • max time kernel
    172s
  • max time network
    196s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240221-en
  • resource tags

    arch:x64arch:x86image:win11-20240221-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    19-03-2024 18:49

General

  • Target

    0cfe0c50487f6d372e650d4171b51dae5a085de9d604a6701c5ebec442268b5b.exe

  • Size

    335KB

  • MD5

    17783c63b34cb560cee2219a5a718511

  • SHA1

    0653a57e59b4bbb9735d0c2f320bcf79c414ba82

  • SHA256

    0cfe0c50487f6d372e650d4171b51dae5a085de9d604a6701c5ebec442268b5b

  • SHA512

    4a95b7972343d13bdb5ef1ed2f9d5cad3725fbdcb2aefe44987a4eb5ffa49c76fa07b73c6cc205ca7d73c39f50dbb59a9c337b82c69bee25051f836c55061a59

  • SSDEEP

    6144:lW8ABhSQBJd85Cnz4ny1+J6HRw2bLnZRo4G8u3i43FHm7p1:A8qdd85CnWycJ6HhTQ3M

Malware Config

Extracted

Family

purecrypter

C2

https://janiking.xyz/loader/uploads/Whotdf_Kzhgekln.png

Signatures

  • PureCrypter

    PureCrypter is a .NET malware loader first seen in early 2021.

  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\0cfe0c50487f6d372e650d4171b51dae5a085de9d604a6701c5ebec442268b5b.exe
    "C:\Users\Admin\AppData\Local\Temp\0cfe0c50487f6d372e650d4171b51dae5a085de9d604a6701c5ebec442268b5b.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3620
    • C:\Users\Admin\AppData\Local\Temp\0cfe0c50487f6d372e650d4171b51dae5a085de9d604a6701c5ebec442268b5b.exe
      "C:\Users\Admin\AppData\Local\Temp\0cfe0c50487f6d372e650d4171b51dae5a085de9d604a6701c5ebec442268b5b.exe"
      2⤵
        PID:2812
      • C:\Users\Admin\AppData\Local\Temp\0cfe0c50487f6d372e650d4171b51dae5a085de9d604a6701c5ebec442268b5b.exe
        "C:\Users\Admin\AppData\Local\Temp\0cfe0c50487f6d372e650d4171b51dae5a085de9d604a6701c5ebec442268b5b.exe"
        2⤵
          PID:4824
        • C:\Users\Admin\AppData\Local\Temp\0cfe0c50487f6d372e650d4171b51dae5a085de9d604a6701c5ebec442268b5b.exe
          "C:\Users\Admin\AppData\Local\Temp\0cfe0c50487f6d372e650d4171b51dae5a085de9d604a6701c5ebec442268b5b.exe"
          2⤵
          • Suspicious use of AdjustPrivilegeToken
          PID:236

      Network

      MITRE ATT&CK Matrix

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\0cfe0c50487f6d372e650d4171b51dae5a085de9d604a6701c5ebec442268b5b.exe.log

        Filesize

        226B

        MD5

        1294de804ea5400409324a82fdc7ec59

        SHA1

        9a39506bc6cadf99c1f2129265b610c69d1518f7

        SHA256

        494398ec6108c68573c366c96aae23d35e7f9bdbb440a4aab96e86fcad5871d0

        SHA512

        033905cc5b4d0c0ffab2138da47e3223765146fa751c9f84b199284b653a04874c32a23aae577d2e06ce6c6b34fec62331b5fc928e3baf68dc53263ecdfa10c1

      • memory/236-3-0x0000000000400000-0x0000000000418000-memory.dmp

        Filesize

        96KB

      • memory/236-4-0x00000000747C0000-0x0000000074F71000-memory.dmp

        Filesize

        7.7MB

      • memory/236-8-0x00000000050A0000-0x00000000050B0000-memory.dmp

        Filesize

        64KB

      • memory/236-9-0x00000000747C0000-0x0000000074F71000-memory.dmp

        Filesize

        7.7MB

      • memory/236-10-0x00000000050A0000-0x00000000050B0000-memory.dmp

        Filesize

        64KB

      • memory/3620-0-0x0000000000E20000-0x0000000000E78000-memory.dmp

        Filesize

        352KB

      • memory/3620-1-0x0000000003210000-0x000000000321A000-memory.dmp

        Filesize

        40KB

      • memory/3620-2-0x00000000747C0000-0x0000000074F71000-memory.dmp

        Filesize

        7.7MB

      • memory/3620-7-0x00000000747C0000-0x0000000074F71000-memory.dmp

        Filesize

        7.7MB