Analysis

  • max time kernel
    150s
  • max time network
    153s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    28/01/2024, 10:29

General

  • Target

    2024-01-28_9352f447021f88df964790aadd6c5258_cryptolocker.exe

  • Size

    32KB

  • MD5

    9352f447021f88df964790aadd6c5258

  • SHA1

    d43b096475846b57942bf08ba22bdac6e99aa3aa

  • SHA256

    00152a4cdc411c69c0caa694917b5aedeb35e68b45b6e27fa37cb8149c1ed984

  • SHA512

    772eda22c4feee00626ed98cce28dad16c9fe23d855cd9a101ae8f594cb4ab26960a483589a983a9536d62a212b9b92c6132591e9460d18f9492c2d4ac6093a1

  • SSDEEP

    768:fTz7y3lhsT+hs1SQtOOtEvwDpjfAu9+41:fT+hsMQMOtEvwDpjoIH1

Score
9/10

Malware Config

Signatures

  • Detection of CryptoLocker Variants 1 IoCs
  • Detection of Cryptolocker Samples 1 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\2024-01-28_9352f447021f88df964790aadd6c5258_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-01-28_9352f447021f88df964790aadd6c5258_cryptolocker.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2016
    • C:\Users\Admin\AppData\Local\Temp\misid.exe
      "C:\Users\Admin\AppData\Local\Temp\misid.exe"
      2⤵
      • Executes dropped EXE
      PID:2140

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    32KB

    MD5

    2c1830d2d9f00a91c9331d4449725961

    SHA1

    43d1bd9087b8cee601737c488d31d83bbb55b76f

    SHA256

    565833a4e59cf7d2555083b4191739ffc79558721cccb692063b1c4af39fe4a7

    SHA512

    109e9a59ffb820375c07dd4badbc24133d0bd2f2f5c3544416e89f6d13d18db46d36ef44440a3e97c3fc4dba9ee95923da59c22591c000bbd059fde132642b57

  • memory/2016-0-0x00000000001D0000-0x00000000001D6000-memory.dmp

    Filesize

    24KB

  • memory/2016-2-0x00000000001D0000-0x00000000001D6000-memory.dmp

    Filesize

    24KB

  • memory/2016-1-0x0000000000200000-0x0000000000206000-memory.dmp

    Filesize

    24KB

  • memory/2140-15-0x0000000000300000-0x0000000000306000-memory.dmp

    Filesize

    24KB

  • memory/2140-17-0x00000000002C0000-0x00000000002C6000-memory.dmp

    Filesize

    24KB