Analysis

  • max time kernel
    141s
  • max time network
    139s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    05-10-2024 05:36

General

  • Target

    2024-10-05_6ff38edcc379a555064e08970624efa9_cryptolocker.exe

  • Size

    38KB

  • MD5

    6ff38edcc379a555064e08970624efa9

  • SHA1

    26e1fabf415e9832613ba246552379f728f9534e

  • SHA256

    0da086a68286715f777921e34858282be7e934d59ad9977254bb1dafd1f174f6

  • SHA512

    60b863f0d8ab7bed0bffbc422752b9ef6fb9124e24666eae8ab468534ef55cc68dbcc6bef0fdc4f2abcf60dffca0a50e5db9973b6573c0c9ac00308e463eefa7

  • SSDEEP

    768:q7PdFecFS5agQtOOtEvwDpjeMLZdzuqpXsiE8Wq/DpkITin:qDdFJy3QMOtEvwDpjjWMl7Tin

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • UPX packed file 4 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-10-05_6ff38edcc379a555064e08970624efa9_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-10-05_6ff38edcc379a555064e08970624efa9_cryptolocker.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2516
    • C:\Users\Admin\AppData\Local\Temp\asih.exe
      "C:\Users\Admin\AppData\Local\Temp\asih.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:836

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    38KB

    MD5

    a05581e398859324d5467cb58c346139

    SHA1

    71581569af03c0594d21df285484618624053be3

    SHA256

    0c585150819f8e0a4753dfd23130ceb3c64874a9ce7e56637353873a0fab6886

    SHA512

    e5d966af050245a50ba65579237835f313c868119b6a460c1b458c5f5cf0df2a7a9291e1e705ed6fa2b8df1276b33bbd360ecbb8051fe0ce29938241e8adc244

  • memory/836-19-0x0000000000280000-0x0000000000286000-memory.dmp

    Filesize

    24KB

  • memory/836-18-0x0000000000240000-0x0000000000246000-memory.dmp

    Filesize

    24KB

  • memory/836-26-0x0000000000500000-0x0000000000510000-memory.dmp

    Filesize

    64KB

  • memory/2516-0-0x0000000000500000-0x0000000000510000-memory.dmp

    Filesize

    64KB

  • memory/2516-1-0x00000000002C0000-0x00000000002C6000-memory.dmp

    Filesize

    24KB

  • memory/2516-2-0x0000000000460000-0x0000000000466000-memory.dmp

    Filesize

    24KB

  • memory/2516-9-0x00000000002C0000-0x00000000002C6000-memory.dmp

    Filesize

    24KB

  • memory/2516-15-0x0000000000500000-0x0000000000510000-memory.dmp

    Filesize

    64KB