Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows7_x64
  • resource
    win7-20240508-en
  • resource tags

    arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
  • submitted
    01/06/2024, 18:26

General

  • Target

    2024-06-01_54ccc81a7970aea370efe1fa08b304bc_cryptolocker.exe

  • Size

    48KB

  • MD5

    54ccc81a7970aea370efe1fa08b304bc

  • SHA1

    68eab3df4bd54e0f48d1a48124dcda5ef5e530b0

  • SHA256

    59d43c2b92a4468250f47ff3a7ad3fae4e373b52738cfe996f868cd5cde93873

  • SHA512

    fc2ffafcfee3e574fe9c5d0fa3aa39356adb76b30b877bde656a27129e3dc399713488750c7e1dcff54e15dd6cc9c28ee1d4f5d7fcbbc3f85b43baba0df4cfe6

  • SSDEEP

    768:79inqyNR/QtOOtEvwDpjBKccJVODvy3Sp8LI:79mqyNhQMOtEvwDpjBzckqSuk

Score
9/10

Malware Config

Signatures

  • Detection of CryptoLocker Variants 3 IoCs
  • Detection of Cryptolocker Samples 3 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\2024-06-01_54ccc81a7970aea370efe1fa08b304bc_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-06-01_54ccc81a7970aea370efe1fa08b304bc_cryptolocker.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2240
    • C:\Users\Admin\AppData\Local\Temp\asih.exe
      "C:\Users\Admin\AppData\Local\Temp\asih.exe"
      2⤵
      • Executes dropped EXE
      PID:2920

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    49KB

    MD5

    171e99d82ad7ac6c97fcf4cb23850cdb

    SHA1

    fe34b9bb42ae690ad8a147fd48ba124b73758fd9

    SHA256

    884355d6ca0ec8af04be686b0a3ca3e5c2d2a6f750c9a51a28bb6727ed07769d

    SHA512

    102af9e4043c90fc2621211ee7001579d5b159f1ca9df504a18f373cf20c2bac2730f010e2f6071b9c94d839cf450955560be3521f91b7123a1eef96e2bc6a69

  • memory/2240-1-0x0000000000380000-0x0000000000386000-memory.dmp

    Filesize

    24KB

  • memory/2240-9-0x00000000002C0000-0x00000000002C6000-memory.dmp

    Filesize

    24KB

  • memory/2240-8-0x0000000000500000-0x000000000050F000-memory.dmp

    Filesize

    60KB

  • memory/2240-0-0x00000000002C0000-0x00000000002C6000-memory.dmp

    Filesize

    24KB

  • memory/2920-15-0x0000000000500000-0x000000000050F000-memory.dmp

    Filesize

    60KB

  • memory/2920-17-0x0000000000480000-0x0000000000486000-memory.dmp

    Filesize

    24KB

  • memory/2920-24-0x0000000000240000-0x0000000000246000-memory.dmp

    Filesize

    24KB