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Analysis

  • max time kernel
    148s
  • max time network
    148s
  • platform
    windows7_x64
  • resource
    win7-20240508-en
  • resource tags

    arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
  • submitted
    09/06/2024, 04:24

General

  • Target

    2024-06-09_1f1dbefd04a332caacb5153a2d12b170_cryptolocker.exe

  • Size

    71KB

  • MD5

    1f1dbefd04a332caacb5153a2d12b170

  • SHA1

    2d32750e84b7c83fe76704214cc6d31274ed70bb

  • SHA256

    b91da808ebd98a755e4190df3202147aa296b869af8811f5ba8108f4c62b712c

  • SHA512

    09b53b34b79b320a123aab0292e6f5d0a317d2c695fcc26e7d045deb2ed2f29551059aada25f6c26f8b91438804277f28d76d6e0f8c5d865ca5edca7819ba1a0

  • SSDEEP

    1536:Dk/xY0sllyGQMOtEvwDpjwycDtKkQZQRKb61vSbgZ3QzNKUNZOK:DW60sllyWOtEvwDpjwF85R

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\2024-06-09_1f1dbefd04a332caacb5153a2d12b170_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-06-09_1f1dbefd04a332caacb5153a2d12b170_cryptolocker.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:1792
    • C:\Users\Admin\AppData\Local\Temp\asih.exe
      "C:\Users\Admin\AppData\Local\Temp\asih.exe"
      2⤵
      • Executes dropped EXE
      PID:2872

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    71KB

    MD5

    33c40cde0ee6a54a71e81f5beb3bae71

    SHA1

    66e02266a5c914c24080f914ff5d143a0179a4d7

    SHA256

    e5bb1fbae45b0ac9382677ae9ca367053b29ee770a63c4321c1039be2f2fab21

    SHA512

    57d28af4bb96f2e2d80266836e16986bfbc26a4edf25c989a2df1faa683c8e8c6afde5f2f106a455dce79ba2a596c6c959fef3491c0821b06eae56c28180378f

  • memory/1792-0-0x0000000000500000-0x000000000050B000-memory.dmp

    Filesize

    44KB

  • memory/1792-1-0x0000000000320000-0x0000000000326000-memory.dmp

    Filesize

    24KB

  • memory/1792-2-0x0000000000320000-0x0000000000326000-memory.dmp

    Filesize

    24KB

  • memory/1792-3-0x0000000000360000-0x0000000000366000-memory.dmp

    Filesize

    24KB

  • memory/1792-15-0x0000000000500000-0x000000000050B000-memory.dmp

    Filesize

    44KB

  • memory/2872-16-0x0000000000500000-0x000000000050B000-memory.dmp

    Filesize

    44KB

  • memory/2872-25-0x00000000002D0000-0x00000000002D6000-memory.dmp

    Filesize

    24KB

  • memory/2872-18-0x00000000020B0000-0x00000000020B6000-memory.dmp

    Filesize

    24KB