Analysis

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

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    19-09-2024 05:29

General

  • Target

    2024-09-19_5a22e59ed3725333d86b8d298e6d642c_cryptolocker.exe

  • Size

    60KB

  • MD5

    5a22e59ed3725333d86b8d298e6d642c

  • SHA1

    ff700af9b3a6a36e0071b35c016a5b40b227a281

  • SHA256

    1e9f6f44a5df3aeb1653c1796bd869da811d91a024fbda7ac1a89a8b2295c740

  • SHA512

    2a208df2617f36d5ee34e84c9950390f69f07fa0ea80cab8fd34aef4351c30bd2e88e5f7ebdd7b380b451ab80ddf61eae37675497ae5dcb56aeb66dfb23e5ee9

  • SSDEEP

    1536:o1KhxqwtdgI2MyzNORQtOflIwoHNV2XBFV72BOlA7ZszudnYTjipvF29n:aq7tdgI2MyzNORQtOflIwoHNV2XBFV7F

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\2024-09-19_5a22e59ed3725333d86b8d298e6d642c_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-09-19_5a22e59ed3725333d86b8d298e6d642c_cryptolocker.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:2492
    • 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:2316

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    60KB

    MD5

    d24273d57df3c22c8cba536c29f36bed

    SHA1

    391b15bf72c259d2bc7173352dbaac53e14dd6be

    SHA256

    894af83fcddae0cae6399afc5333e31b1429f4155341dcdea929fc6f69a8f2e2

    SHA512

    5abf73b873fd7b84d5d929d547edd41760c7ac417d9edf9ad2973cf7ad0251232620ac3cd5c8fc9770652fa7e1807dafaa474733ad0ae13b92e515117dd8c2bc

  • memory/2316-23-0x00000000001C0000-0x00000000001C6000-memory.dmp

    Filesize

    24KB

  • memory/2492-0-0x0000000000390000-0x0000000000396000-memory.dmp

    Filesize

    24KB

  • memory/2492-1-0x0000000000390000-0x0000000000396000-memory.dmp

    Filesize

    24KB

  • memory/2492-2-0x0000000000400000-0x0000000000406000-memory.dmp

    Filesize

    24KB