Analysis

  • max time kernel
    148s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    28/09/2024, 08:18

General

  • Target

    2024-09-28_f14319d0a003f4c618a0752cd188ee07_cryptolocker.exe

  • Size

    44KB

  • MD5

    f14319d0a003f4c618a0752cd188ee07

  • SHA1

    786d5c6490c8ca92160708d9ee464fa5204ea9e3

  • SHA256

    7f4468ca20b79bad376485fb7015bbf19aa34cb0a7d6b5f56606fc68a887b5e1

  • SHA512

    ed9c100d14dc6023bdebc0fd7fe650c36526a8a5e812f2d49c75cb30d0ce6f3702fdb8c518b5239f1b8b019631a42c8ab88085b1aca185a8699bf75fe673ab99

  • SSDEEP

    768:X6LsoEEeegiZPvEhHSG+gp/QtOOtEvwDpjBaac4HK/wSvuQTCyD/95WJo:X6QFElP6n+gJQMOtEvwDpjBsYK/fbDF9

Score
7/10

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 1 IoCs
  • 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 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-09-28_f14319d0a003f4c618a0752cd188ee07_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-09-28_f14319d0a003f4c618a0752cd188ee07_cryptolocker.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4540
    • 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:3060

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    44KB

    MD5

    e80a95cd8029b71044df271e6c4af0d3

    SHA1

    29ce4c8adf975f465b47b2103dcdd6cc50b88915

    SHA256

    c009372c69197e3dc20405cf47397c06efaa93dee2d205320022182ca8e3ef40

    SHA512

    d0e4023b5c602c817667eb6135e6423a3660320972c0cb3b1f1a2a7b7567956e38673fd5b2854f1b4209ad8bedec5433d1beaf2b90c83c6d79edc11f7bae78db

  • memory/3060-23-0x00000000004E0000-0x00000000004E6000-memory.dmp

    Filesize

    24KB

  • memory/3060-17-0x0000000000590000-0x0000000000596000-memory.dmp

    Filesize

    24KB

  • memory/4540-0-0x0000000000670000-0x0000000000676000-memory.dmp

    Filesize

    24KB

  • memory/4540-1-0x0000000000670000-0x0000000000676000-memory.dmp

    Filesize

    24KB

  • memory/4540-2-0x0000000002230000-0x0000000002236000-memory.dmp

    Filesize

    24KB