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Analysis

  • max time kernel
    146s
  • max time network
    154s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    27/02/2024, 20:26

General

  • Target

    2024-02-27_091cc984d2f1c97434aa6fa003930737_cryptolocker.exe

  • Size

    121KB

  • MD5

    091cc984d2f1c97434aa6fa003930737

  • SHA1

    0e75b59c2f9d427c0bb228aca76c4165606fd25e

  • SHA256

    751d4e1e3630ab5f09a3a23c307989046065b0345311b69c2262d8444d9dbfd5

  • SHA512

    71c6aa38594bb1b9a7992dc71fb374ab959e309bc600c5d89c0438d74acdacc350bad6259cf0b85fbfacad2cff4029843eac1addd7029530325c0396eec3b083

  • SSDEEP

    1536:u6QFElP6n+gWMOtEvwDpjJGYQbN/PKwMg8:u6a++OtEvwDpj6zY

Score
9/10

Malware Config

Signatures

  • Detection of CryptoLocker Variants 1 IoCs
  • Detection of Cryptolocker Samples 1 IoCs
  • 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).

  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-02-27_091cc984d2f1c97434aa6fa003930737_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-02-27_091cc984d2f1c97434aa6fa003930737_cryptolocker.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:1676
    • C:\Users\Admin\AppData\Local\Temp\asih.exe
      "C:\Users\Admin\AppData\Local\Temp\asih.exe"
      2⤵
      • Executes dropped EXE
      PID:2868

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    122KB

    MD5

    58e373ba65b3183779a0a08362fa356a

    SHA1

    b4c502379626e88da91fd548cc4903c0b2a828e0

    SHA256

    9d29fbcf35b8415a770e05c4f3d1d8dc9a8a65cffa2fafecadd7a4a17c0f4b6b

    SHA512

    f5fa1f510feeca1a2e55eb6df9c5b564c31f6db6175525a8b4aa0a9eb1d6d2c140a3dfa232b8149ecf5899226bd4a1565599b22e5bd6ea6a1590c2ff2a7b9ecf

  • memory/1676-0-0x00000000002C0000-0x00000000002C6000-memory.dmp

    Filesize

    24KB

  • memory/1676-2-0x00000000002C0000-0x00000000002C6000-memory.dmp

    Filesize

    24KB

  • memory/1676-1-0x0000000000300000-0x0000000000306000-memory.dmp

    Filesize

    24KB

  • memory/2868-15-0x0000000000370000-0x0000000000376000-memory.dmp

    Filesize

    24KB

  • memory/2868-16-0x0000000000340000-0x0000000000346000-memory.dmp

    Filesize

    24KB