Analysis

  • max time kernel
    117s
  • max time network
    117s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    19-09-2024 05:35

General

  • Target

    2024-09-19_f15274d562a66e82a353c57d597e3e6d_cryptolocker.exe

  • Size

    37KB

  • MD5

    f15274d562a66e82a353c57d597e3e6d

  • SHA1

    f93456c2771ebf6729129b9cc0dcfbc2e78b206c

  • SHA256

    e0edd389cda1f0bcd6fd736560ddd63156a31ef4618101ae37ce5463b96a4ff4

  • SHA512

    e5ef1495f564b42f81b1d6cc911917fd28d2aa25a3e49a46b131abf2f3ec92f071ca1ce3504aef18ea71aff268cfb88938a6ed08004bc7091fe47f541056853d

  • SSDEEP

    768:btB9g/WItCSsAGjX7r3BPOMHocM4vUUOmX:btB9g/xtCSKfxLIcMzUn

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_f15274d562a66e82a353c57d597e3e6d_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-09-19_f15274d562a66e82a353c57d597e3e6d_cryptolocker.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:1916
    • C:\Users\Admin\AppData\Local\Temp\gewos.exe
      "C:\Users\Admin\AppData\Local\Temp\gewos.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of UnmapMainImage
      PID:972

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\gewos.exe

    Filesize

    37KB

    MD5

    d25d74eaa710dab19650994e6c20f213

    SHA1

    74c596fcfd3d00a99abf17fbb83da498feb0b210

    SHA256

    83dec8efe7dbb8dd40c1c3747a8f4c0415a8ef6e7f6f64d148bf9ef335019b3a

    SHA512

    deacef6cde87b6167e3635f6ff9207bfc9d5618d123d7af7a363e3056e818bb545736594b651c1ef46da7e903a37531e5b9aa845bd3a2f8b23d9c394cc6ca5f6

  • memory/972-23-0x00000000003E0000-0x00000000003E6000-memory.dmp

    Filesize

    24KB

  • memory/1916-0-0x0000000000280000-0x0000000000286000-memory.dmp

    Filesize

    24KB

  • memory/1916-8-0x0000000000280000-0x0000000000286000-memory.dmp

    Filesize

    24KB

  • memory/1916-1-0x0000000000400000-0x0000000000406000-memory.dmp

    Filesize

    24KB