Analysis

  • max time kernel
    150s
  • max time network
    154s
  • platform
    windows7_x64
  • resource
    win7-20230712-en
  • resource tags

    arch:x64arch:x86image:win7-20230712-enlocale:en-usos:windows7-x64system
  • submitted
    05-08-2023 13:44

General

  • Target

    7348219b7ad215920d5ed6b642a4ac32_cryptolocker_JC.exe

  • Size

    32KB

  • MD5

    7348219b7ad215920d5ed6b642a4ac32

  • SHA1

    876907752d6622d09fa7c5984c83d51d15349f07

  • SHA256

    a37b9e0e66a629ff15fa1cbca29ef880de8100563e58f4852f44280ce530201e

  • SHA512

    5d974bb325a7c6fb91d8e322474573b01e4a5eba8716a81cc23b5666031570d42a40fe1d1c34f731a3fe02de7bfe1e040682d574611836edd581660eaf60bc6d

  • SSDEEP

    768:UEEmoQDj/xnMp+yptndwe/PWQtOOtEvwDpjxgqqjM+Hm:ZzFbxmLPWQMOtEvwDpjxMhG

Score
7/10

Malware Config

Signatures

  • 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\7348219b7ad215920d5ed6b642a4ac32_cryptolocker_JC.exe
    "C:\Users\Admin\AppData\Local\Temp\7348219b7ad215920d5ed6b642a4ac32_cryptolocker_JC.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2432
    • C:\Users\Admin\AppData\Local\Temp\misid.exe
      "C:\Users\Admin\AppData\Local\Temp\misid.exe"
      2⤵
      • Executes dropped EXE
      PID:2392

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    32KB

    MD5

    c3cd27e04f5c64e7ef88cca08144af5c

    SHA1

    c98edb5ab21e8e46589380e5bdbd152412f6d886

    SHA256

    801f0abe3407198bd595ad47c094d35937e8cb9babbe224541819342bb93dfbd

    SHA512

    a87c5cce6aeff7bee4d971b1a5a7c4629fc8fd203d55c55471dce508c8f57238e289a0a15bdc08d02e0f180e00a29f5f00869d6a53cf7910f3c02be84518f470

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

    Filesize

    32KB

    MD5

    c3cd27e04f5c64e7ef88cca08144af5c

    SHA1

    c98edb5ab21e8e46589380e5bdbd152412f6d886

    SHA256

    801f0abe3407198bd595ad47c094d35937e8cb9babbe224541819342bb93dfbd

    SHA512

    a87c5cce6aeff7bee4d971b1a5a7c4629fc8fd203d55c55471dce508c8f57238e289a0a15bdc08d02e0f180e00a29f5f00869d6a53cf7910f3c02be84518f470

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

    Filesize

    32KB

    MD5

    c3cd27e04f5c64e7ef88cca08144af5c

    SHA1

    c98edb5ab21e8e46589380e5bdbd152412f6d886

    SHA256

    801f0abe3407198bd595ad47c094d35937e8cb9babbe224541819342bb93dfbd

    SHA512

    a87c5cce6aeff7bee4d971b1a5a7c4629fc8fd203d55c55471dce508c8f57238e289a0a15bdc08d02e0f180e00a29f5f00869d6a53cf7910f3c02be84518f470

  • memory/2392-67-0x0000000000230000-0x0000000000233000-memory.dmp

    Filesize

    12KB

  • memory/2392-69-0x0000000000300000-0x0000000000306000-memory.dmp

    Filesize

    24KB

  • memory/2392-70-0x00000000002C0000-0x00000000002C6000-memory.dmp

    Filesize

    24KB

  • memory/2392-77-0x0000000000230000-0x0000000000233000-memory.dmp

    Filesize

    12KB

  • memory/2432-53-0x0000000000320000-0x0000000000326000-memory.dmp

    Filesize

    24KB

  • memory/2432-54-0x0000000000360000-0x0000000000366000-memory.dmp

    Filesize

    24KB

  • memory/2432-57-0x0000000000320000-0x0000000000326000-memory.dmp

    Filesize

    24KB