Analysis

  • max time kernel
    150s
  • max time network
    151s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    21/11/2024, 07:02

General

  • Target

    2024-11-21_d7010b612ef9a40dc047e38b5aa11125_cryptolocker.exe

  • Size

    68KB

  • MD5

    d7010b612ef9a40dc047e38b5aa11125

  • SHA1

    329aecc0f0e5c30d856e51b8fa04af35d7ad15b1

  • SHA256

    5f8fa22bd93c07f1ef569a494eccd0857e6a85ea821992b59239b1fb11e069c8

  • SHA512

    e88b7cdc17ff5805b64ff2ba1ae62f66333c64f73bef1854d062e2ea91965d103be651fb0cb9f659cbf385295f340ed3ca2a26524975a61c3fdb3fc4ce3344db

  • SSDEEP

    1536:o1KhxqwtdgI2MyzNORQtOflIwoHNV2XBFV72BOlA7ZszudnYTjipvF299N2U9:aq7tdgI2MyzNORQtOflIwoHNV2XBFV7p

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious use of UnmapMainImage 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-11-21_d7010b612ef9a40dc047e38b5aa11125_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-11-21_d7010b612ef9a40dc047e38b5aa11125_cryptolocker.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:2212
    • C:\Users\Admin\AppData\Local\Temp\hurok.exe
      "C:\Users\Admin\AppData\Local\Temp\hurok.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of UnmapMainImage
      PID:2820

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • \Users\Admin\AppData\Local\Temp\hurok.exe

    Filesize

    69KB

    MD5

    4388e69a980a3871655e2a22d0a21181

    SHA1

    a1a38447ee463b9a71800a09415f77bdf4e272f7

    SHA256

    558bab90599ccd5c5136bb5500c125c3cb4f17baf6ac81faca3d3e108c199801

    SHA512

    11f1621c0e53fb089060d95ee02db49f82f5abe3d1a3c5f717492c1ca04c33859d5dcb7ee8c9cb0d7a86ebf79a9de49c61194e33c1af2ae1c1b2e5eba07502fd

  • memory/2212-8-0x0000000000230000-0x0000000000236000-memory.dmp

    Filesize

    24KB

  • memory/2212-1-0x0000000000400000-0x0000000000406000-memory.dmp

    Filesize

    24KB

  • memory/2212-0-0x0000000000230000-0x0000000000236000-memory.dmp

    Filesize

    24KB

  • memory/2820-23-0x00000000001C0000-0x00000000001C6000-memory.dmp

    Filesize

    24KB