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Analysis

  • max time kernel
    148s
  • max time network
    151s
  • platform
    windows7_x64
  • resource
    win7-20240215-en
  • resource tags

    arch:x64arch:x86image:win7-20240215-enlocale:en-usos:windows7-x64system
  • submitted
    29/03/2024, 02:39

General

  • Target

    2024-03-29_2ab576b9b03cca762a9b8ccee2b29e9c_cryptolocker.exe

  • Size

    70KB

  • MD5

    2ab576b9b03cca762a9b8ccee2b29e9c

  • SHA1

    410794f3d7d80ef85ca4843106b8ed1c7cbf37cf

  • SHA256

    9fcbf62a1923bf992fd4e0faba0e81945fa8bfd0ff30b060a10c46be9a69dfe0

  • SHA512

    24c2cd9a40d9d61ff52d5b17f686dad634953c612da40ae0bdc289cbe3d7917e7ac42a60461d099bbcd99ace3a4b0f9700d64125f4a0cb8c375a8d42a1b5a664

  • SSDEEP

    1536:Dk/xY0sllyGQMOtEvwDpjwycDtKkQZQRKb61vSbgZ3QzNKUNZO7:DW60sllyWOtEvwDpjwF85c

Score
9/10

Malware Config

Signatures

  • Detection of CryptoLocker Variants 4 IoCs
  • Detection of Cryptolocker Samples 4 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\2024-03-29_2ab576b9b03cca762a9b8ccee2b29e9c_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-03-29_2ab576b9b03cca762a9b8ccee2b29e9c_cryptolocker.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:3024
    • C:\Users\Admin\AppData\Local\Temp\asih.exe
      "C:\Users\Admin\AppData\Local\Temp\asih.exe"
      2⤵
      • Executes dropped EXE
      PID:2056

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    71KB

    MD5

    5a845c4bf1e7efcc09a280d342a9db44

    SHA1

    42eb214080a52ea30c095dee7c215c1a5f1cf29e

    SHA256

    599291f1d8997a9f8758b4343dd21f91c30f04248a36efbb68658c5dcb66d165

    SHA512

    30f34723ad71c0cdcf0309c646de6682811d9fc2495c2eb6c058bde9af0ffaa99c52c5d7b0a12fd613a0035add7607112a886bffc1267bea5bc9f1580708ade4

  • memory/2056-17-0x0000000000500000-0x000000000050B000-memory.dmp

    Filesize

    44KB

  • memory/3024-1-0x0000000000500000-0x000000000050B000-memory.dmp

    Filesize

    44KB

  • memory/3024-0-0x00000000001D0000-0x00000000001D6000-memory.dmp

    Filesize

    24KB

  • memory/3024-2-0x0000000000290000-0x0000000000296000-memory.dmp

    Filesize

    24KB

  • memory/3024-3-0x00000000001D0000-0x00000000001D6000-memory.dmp

    Filesize

    24KB

  • memory/3024-14-0x0000000000500000-0x000000000050B000-memory.dmp

    Filesize

    44KB