Analysis

  • max time kernel
    149s
  • max time network
    153s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    05-09-2024 12:14

General

  • Target

    2024-09-05_b5b155bc71370cdf2340f4644e68e41c_cryptolocker.exe

  • Size

    48KB

  • MD5

    b5b155bc71370cdf2340f4644e68e41c

  • SHA1

    ad1eb2ac404cd65bf9ffacdd17587c32791215cf

  • SHA256

    018ecfe6233ac6ffc603948af9ac0c94fd084c1a152b37b84745d9f33d010867

  • SHA512

    bab0af6cf35bd6ad06abee896fe3cf7961e3bd8602d27fd57d8b322419758be37068d81187b26138eb6cf81ee41b75923a0cc7e2533bbbeb4d20880466d70a4c

  • SSDEEP

    768:V6LsoEEeegiZPvEhHSG+gDYQtOOtEvwDpj/MLaHaMMm2X3dXL:V6QFElP6n+gMQMOtEvwDpjyaHaXrL

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).

  • 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 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-09-05_b5b155bc71370cdf2340f4644e68e41c_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-09-05_b5b155bc71370cdf2340f4644e68e41c_cryptolocker.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2300
    • 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:2344

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    48KB

    MD5

    dfcd37c488d63e996bd02c4178731f74

    SHA1

    edef287e1d10d9c82080aa1e3ebc688fb2d4bb93

    SHA256

    a12871edc7eabf58162731cf6571b669d11977825765e0ab0d7487b3d894e20b

    SHA512

    96683a5d8ca4013791d51099dcd676a45d22e775183b59120baabc299d1bca2a9739e545236ad918c7ae888f1b1426c4f31538da0cee21bbb8e0f93a5e8526d5

  • memory/2300-0-0x00000000002D0000-0x00000000002D6000-memory.dmp

    Filesize

    24KB

  • memory/2300-1-0x0000000000600000-0x0000000000606000-memory.dmp

    Filesize

    24KB

  • memory/2300-8-0x00000000002D0000-0x00000000002D6000-memory.dmp

    Filesize

    24KB

  • memory/2344-22-0x0000000000300000-0x0000000000306000-memory.dmp

    Filesize

    24KB

  • memory/2344-15-0x0000000000430000-0x0000000000436000-memory.dmp

    Filesize

    24KB