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Analysis

  • max time kernel
    149s
  • max time network
    153s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    19/04/2024, 20:14

General

  • Target

    2024-04-19_9d79195021b752b8cd79d8681c2a8d98_cryptolocker.exe

  • Size

    52KB

  • MD5

    9d79195021b752b8cd79d8681c2a8d98

  • SHA1

    3189e9a69e8846c9e1cbeee742b3ceff926df0d6

  • SHA256

    16284873b23e2e8f30b1b849341c64780a96ceb7a5d9a27d93547366baa18605

  • SHA512

    b9bcd4d415bebb5c954e147f4875e4a0b7d90264df1a683c4b09fc3c9f608f52af8c9a0800c866691c9afc621e3526982c74ec97b082b6672c226ead667c73a5

  • SSDEEP

    768:bgX4zYcgTEu6QOaryfjqDlC6JFbK37Yl6dIKld5CS4Gjhh:bgGYcA/53GAA6y37Q6dI+d5QGT

Score
9/10

Malware Config

Signatures

  • Detection of CryptoLocker Variants 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\2024-04-19_9d79195021b752b8cd79d8681c2a8d98_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-04-19_9d79195021b752b8cd79d8681c2a8d98_cryptolocker.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2056
    • C:\Users\Admin\AppData\Local\Temp\hasfj.exe
      "C:\Users\Admin\AppData\Local\Temp\hasfj.exe"
      2⤵
      • Executes dropped EXE
      PID:1748

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    52KB

    MD5

    83c2e85f55ab87125854de7bdb42eb6a

    SHA1

    4133da4ea63ad51dd723e0798bd19ae37c3ee55e

    SHA256

    e704abe05343417d2ee02e70de35e4eb7d996ec48942c0c91ec88ae050a4b609

    SHA512

    4ee6698477cd95be60becde242edc71736b523a12cda1b459910c1b5ecd339b8e175cfb8aff6b83497b844d93b7ad59c4b60c68cc2f95346d2e6ab6309d64ee6

  • memory/1748-15-0x00000000002C0000-0x00000000002C6000-memory.dmp

    Filesize

    24KB

  • memory/1748-19-0x00000000002B0000-0x00000000002B6000-memory.dmp

    Filesize

    24KB

  • memory/2056-0-0x0000000000310000-0x0000000000316000-memory.dmp

    Filesize

    24KB

  • memory/2056-1-0x0000000000320000-0x0000000000326000-memory.dmp

    Filesize

    24KB

  • memory/2056-3-0x0000000000310000-0x0000000000316000-memory.dmp

    Filesize

    24KB