Analysis

  • max time kernel
    150s
  • max time network
    156s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230703-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02-08-2023 18:11

General

  • Target

    3f682f9f0e2654f35e7a7c79a793c826_cryptolocker_JC.exe

  • Size

    40KB

  • MD5

    3f682f9f0e2654f35e7a7c79a793c826

  • SHA1

    fc7e60dc2f77847905514bdfb3e68bc91b107d4e

  • SHA256

    134b1d27b0e1be87d7dc09a37a1de02df67f879ba0f95050df9eb45bb1566e5d

  • SHA512

    0ff3925224bb2d76ac127215804bc99607c1ceb2f07d67a0e097b1ad935ac4aeb8432f792627ed3c8bd0d67d493d3f1157a37fc54f45e705ef54a0c5f0d08618

  • SSDEEP

    768:X6LsoEEeegiZPvEhHSG+gp/QtOOtEvwDpjBaaEqbIu55Od:X6QFElP6n+gJQMOtEvwDpjB0GIWOd

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\3f682f9f0e2654f35e7a7c79a793c826_cryptolocker_JC.exe
    "C:\Users\Admin\AppData\Local\Temp\3f682f9f0e2654f35e7a7c79a793c826_cryptolocker_JC.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1076
    • C:\Users\Admin\AppData\Local\Temp\asih.exe
      "C:\Users\Admin\AppData\Local\Temp\asih.exe"
      2⤵
      • Executes dropped EXE
      PID:2980

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    41KB

    MD5

    c741a1811627148c2bf7b9d3375c0c9e

    SHA1

    7b2b878fc96f0f994ab4d5bf728ff00904a8e63a

    SHA256

    96409950c975f701dac83b175e075c52029a3bdf0beedb00015ac49d89d165c1

    SHA512

    2ce4aab158c3d59e6cbfdbc4c011c82461350c3a1ff6269b82c0cfb07adcfa8f28dab23ed5518f4936b32c58cf8139b8aeb25e4c480bbcf39e0f89231e20944c

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

    Filesize

    41KB

    MD5

    c741a1811627148c2bf7b9d3375c0c9e

    SHA1

    7b2b878fc96f0f994ab4d5bf728ff00904a8e63a

    SHA256

    96409950c975f701dac83b175e075c52029a3bdf0beedb00015ac49d89d165c1

    SHA512

    2ce4aab158c3d59e6cbfdbc4c011c82461350c3a1ff6269b82c0cfb07adcfa8f28dab23ed5518f4936b32c58cf8139b8aeb25e4c480bbcf39e0f89231e20944c

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

    Filesize

    41KB

    MD5

    c741a1811627148c2bf7b9d3375c0c9e

    SHA1

    7b2b878fc96f0f994ab4d5bf728ff00904a8e63a

    SHA256

    96409950c975f701dac83b175e075c52029a3bdf0beedb00015ac49d89d165c1

    SHA512

    2ce4aab158c3d59e6cbfdbc4c011c82461350c3a1ff6269b82c0cfb07adcfa8f28dab23ed5518f4936b32c58cf8139b8aeb25e4c480bbcf39e0f89231e20944c

  • memory/1076-134-0x00000000006A0000-0x00000000006A6000-memory.dmp

    Filesize

    24KB

  • memory/1076-135-0x00000000006A0000-0x00000000006A6000-memory.dmp

    Filesize

    24KB

  • memory/1076-136-0x00000000006C0000-0x00000000006C6000-memory.dmp

    Filesize

    24KB

  • memory/2980-152-0x0000000002070000-0x0000000002076000-memory.dmp

    Filesize

    24KB

  • memory/2980-151-0x00000000021D0000-0x00000000021D6000-memory.dmp

    Filesize

    24KB