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Analysis

  • max time kernel
    133s
  • max time network
    141s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    11/08/2024, 00:33

General

  • Target

    2024-08-11_553237687f90208ad55f27b66785924c_cryptolocker.exe

  • Size

    5.5MB

  • MD5

    553237687f90208ad55f27b66785924c

  • SHA1

    4e690583a57ddcbdbe5b5b9551fdf6da409ac465

  • SHA256

    df2977bfaa9452351a5af4aacf78eefafe7e1778f70741f0c4ea433663bd361c

  • SHA512

    5fe24cd4a2559fac4527c8a84e0b3b4148f89d873ed91ebf593d13f0351f9bc0e47a33a76085222390e28f5f88bff91a4e7f7dab66846ddc17457cf268a9b415

  • SSDEEP

    98304:Vd3WWklj4b+ZTRXb81tTFjWYt8nfa9WfkOsm5UfjQNYT/StkkLlDzXgsOUlE8Fo:Vd3Vklsb+ZKyYt8fMtOsm5UfjQNqSKcW

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • 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 behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-08-11_553237687f90208ad55f27b66785924c_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-08-11_553237687f90208ad55f27b66785924c_cryptolocker.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:2524
    • 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
      • Suspicious behavior: EnumeratesProcesses
      PID:2380

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    5.5MB

    MD5

    943f109a3e3d8d8fca0e426798db39e2

    SHA1

    07e9ee958fbd8686e81f91126696cca5bbbe049f

    SHA256

    df18df4037addba767f5df9bcf73267909718d287b23bbc6ddbd91348c67f46a

    SHA512

    949616ee1eca9eab0c341743201e6c71fb489a1e1e7005d27caa4a8f332d4cbf3c12510a4b51861404e3a0deb4b0c30378681813a21dd57076fde10ff03e0ee1

  • memory/2380-33-0x0000000000500000-0x0000000000D8B000-memory.dmp

    Filesize

    8.5MB

  • memory/2380-27-0x0000000000500000-0x0000000000D8B000-memory.dmp

    Filesize

    8.5MB

  • memory/2380-34-0x0000000000500000-0x0000000000D8B000-memory.dmp

    Filesize

    8.5MB

  • memory/2380-36-0x00000000004F0000-0x00000000004F6000-memory.dmp

    Filesize

    24KB

  • memory/2380-42-0x0000000000500000-0x0000000000D8B000-memory.dmp

    Filesize

    8.5MB

  • memory/2380-43-0x0000000000500000-0x0000000000D8B000-memory.dmp

    Filesize

    8.5MB

  • memory/2380-30-0x00000000001C0000-0x00000000001C1000-memory.dmp

    Filesize

    4KB

  • memory/2380-32-0x00000000001C0000-0x00000000001C1000-memory.dmp

    Filesize

    4KB

  • memory/2524-8-0x0000000000250000-0x0000000000256000-memory.dmp

    Filesize

    24KB

  • memory/2524-5-0x0000000000230000-0x0000000000231000-memory.dmp

    Filesize

    4KB

  • memory/2524-3-0x0000000000230000-0x0000000000231000-memory.dmp

    Filesize

    4KB

  • memory/2524-25-0x000000000050B000-0x0000000000805000-memory.dmp

    Filesize

    3.0MB

  • memory/2524-22-0x0000000000500000-0x0000000000D8B000-memory.dmp

    Filesize

    8.5MB

  • memory/2524-17-0x0000000000500000-0x0000000000D8B000-memory.dmp

    Filesize

    8.5MB

  • memory/2524-0-0x0000000000500000-0x0000000000D8B000-memory.dmp

    Filesize

    8.5MB

  • memory/2524-16-0x0000000000500000-0x0000000000D8B000-memory.dmp

    Filesize

    8.5MB

  • memory/2524-26-0x0000000003AA0000-0x000000000432B000-memory.dmp

    Filesize

    8.5MB

  • memory/2524-9-0x00000000004A0000-0x00000000004A6000-memory.dmp

    Filesize

    24KB

  • memory/2524-7-0x000000000050B000-0x0000000000805000-memory.dmp

    Filesize

    3.0MB

  • memory/2524-6-0x0000000000500000-0x0000000000D8B000-memory.dmp

    Filesize

    8.5MB

  • memory/2524-1-0x0000000000230000-0x0000000000231000-memory.dmp

    Filesize

    4KB