Analysis

  • max time kernel
    148s
  • max time network
    149s
  • platform
    windows7_x64
  • resource
    win7-20240611-en
  • resource tags

    arch:x64arch:x86image:win7-20240611-enlocale:en-usos:windows7-x64system
  • submitted
    15-06-2024 03:34

General

  • Target

    2024-06-15_89c54838ca23310b0b0424ca0f733562_cryptolocker.exe

  • Size

    48KB

  • MD5

    89c54838ca23310b0b0424ca0f733562

  • SHA1

    822f8cb984eabcca795e4974660985ab9f9e4666

  • SHA256

    84842cc362c6e24a8b57f9ce803cd0bba87a5b56c821e4cb33d7506f8a16c636

  • SHA512

    7e5458833e563b55074106f3724b4aadedc0106aa35a2934a2da63cd613ff4311a2515ed2cb7899a2bc7681c7dfb7789180392b25569b712f5617858772928f4

  • SSDEEP

    768:P6LsoVEeegiZPvEhHSP+gp/QtOOtEvwDpjBBMLZdzuqpXsiE8Wq/Dpkz:P6Q0ElP6G+gJQMOtEvwDpjB8WMlo

Score
9/10

Malware Config

Signatures

  • Detection of CryptoLocker Variants 6 IoCs
  • Detection of Cryptolocker Samples 6 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\2024-06-15_89c54838ca23310b0b0424ca0f733562_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-06-15_89c54838ca23310b0b0424ca0f733562_cryptolocker.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2384
    • C:\Users\Admin\AppData\Local\Temp\asih.exe
      "C:\Users\Admin\AppData\Local\Temp\asih.exe"
      2⤵
      • Executes dropped EXE
      PID:2412

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    48KB

    MD5

    e587140f09e7798cc8749952dacc4531

    SHA1

    27ee50ccbe2a6bcc332ad88b15f074978c9e79ff

    SHA256

    8ff7d69746d6757eec19e35d2bf15e66354fcfd97c41ec9d584c82c4e7522be0

    SHA512

    fae9cd2bec3e2bc695b26acb9207ab470d1de4ea93428be99d875f3a01c795d183f89f7d9a0a63b4e84c1d5d7efdfc8441e5a2fc8a1609f45ebe08e8154a293e

  • memory/2384-0-0x0000000000500000-0x000000000050B000-memory.dmp

    Filesize

    44KB

  • memory/2384-1-0x0000000000240000-0x0000000000246000-memory.dmp

    Filesize

    24KB

  • memory/2384-2-0x0000000000280000-0x0000000000286000-memory.dmp

    Filesize

    24KB

  • memory/2384-9-0x0000000000240000-0x0000000000246000-memory.dmp

    Filesize

    24KB

  • memory/2384-13-0x0000000002260000-0x000000000226B000-memory.dmp

    Filesize

    44KB

  • memory/2384-16-0x0000000000500000-0x000000000050B000-memory.dmp

    Filesize

    44KB

  • memory/2412-17-0x0000000000500000-0x000000000050B000-memory.dmp

    Filesize

    44KB

  • memory/2412-19-0x0000000000290000-0x0000000000296000-memory.dmp

    Filesize

    24KB

  • memory/2412-26-0x00000000001D0000-0x00000000001D6000-memory.dmp

    Filesize

    24KB

  • memory/2412-27-0x0000000000500000-0x000000000050B000-memory.dmp

    Filesize

    44KB