Analysis

  • max time kernel
    143s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230703-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
  • submitted
    20-08-2023 11:21

General

  • Target

    53a7802483586c28e247ec8eaa17c5ba_cryptolocker_JC.exe

  • Size

    58KB

  • MD5

    53a7802483586c28e247ec8eaa17c5ba

  • SHA1

    69d89e0e87c6fde886704476a2b152c0250faf3c

  • SHA256

    ab612de932f1dd675bb2a17c0f9a1762c23c02b960986c2dc191beddfb7803f0

  • SHA512

    4cdfa34932ff967065fae36deaa4c9a326cf7c63027c3845a2c89bf7a9dac462d671a28e888f988840eccef453c530adbdd1953c75f813eb18e1732def4fcca3

  • SSDEEP

    768:UEEmoQDj/xnMp+yptndwe/PWQtOOtEvwDpjIm8z2iaSIO/RvDQeduJHqqnz10Lhs:ZzFbxmLPWQMOtEvwDpj386Sj/RsB0q

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Modifies system certificate store 2 TTPs 8 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\53a7802483586c28e247ec8eaa17c5ba_cryptolocker_JC.exe
    "C:\Users\Admin\AppData\Local\Temp\53a7802483586c28e247ec8eaa17c5ba_cryptolocker_JC.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3432
    • C:\Users\Admin\AppData\Local\Temp\misid.exe
      "C:\Users\Admin\AppData\Local\Temp\misid.exe"
      2⤵
      • Executes dropped EXE
      • Modifies system certificate store
      PID:1640

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    58KB

    MD5

    f2bad4eb80acd45086aa3077620a5f57

    SHA1

    e2c463064f09dbfa913e7645df5cba67692b76dc

    SHA256

    e660bc82d380b8ee5df96d76894537881f9746ea6a6519f6401b0eb65a9e6af8

    SHA512

    c136503fd19a028d6a6b7111ef57cce222e9c4ebffd8d8ab0f7339a6cf6d9fb0dacb6c10d94b78bb816f56f952b242b4923234057b5adb0701f74d7ae4c074ce

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

    Filesize

    58KB

    MD5

    f2bad4eb80acd45086aa3077620a5f57

    SHA1

    e2c463064f09dbfa913e7645df5cba67692b76dc

    SHA256

    e660bc82d380b8ee5df96d76894537881f9746ea6a6519f6401b0eb65a9e6af8

    SHA512

    c136503fd19a028d6a6b7111ef57cce222e9c4ebffd8d8ab0f7339a6cf6d9fb0dacb6c10d94b78bb816f56f952b242b4923234057b5adb0701f74d7ae4c074ce

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

    Filesize

    58KB

    MD5

    f2bad4eb80acd45086aa3077620a5f57

    SHA1

    e2c463064f09dbfa913e7645df5cba67692b76dc

    SHA256

    e660bc82d380b8ee5df96d76894537881f9746ea6a6519f6401b0eb65a9e6af8

    SHA512

    c136503fd19a028d6a6b7111ef57cce222e9c4ebffd8d8ab0f7339a6cf6d9fb0dacb6c10d94b78bb816f56f952b242b4923234057b5adb0701f74d7ae4c074ce

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

    Filesize

    315B

    MD5

    a34ac19f4afae63adc5d2f7bc970c07f

    SHA1

    a82190fc530c265aa40a045c21770d967f4767b8

    SHA256

    d5a89e26beae0bc03ad18a0b0d1d3d75f87c32047879d25da11970cb5c4662a3

    SHA512

    42e53d96e5961e95b7a984d9c9778a1d3bd8ee0c87b8b3b515fa31f67c2d073c8565afc2f4b962c43668c4efa1e478da9bb0ecffa79479c7e880731bc4c55765

  • memory/1640-151-0x00000000004E0000-0x00000000004E6000-memory.dmp

    Filesize

    24KB

  • memory/1640-154-0x0000000000510000-0x0000000000516000-memory.dmp

    Filesize

    24KB

  • memory/1640-153-0x00000000004D0000-0x00000000004D6000-memory.dmp

    Filesize

    24KB

  • memory/3432-133-0x0000000000450000-0x0000000000453000-memory.dmp

    Filesize

    12KB

  • memory/3432-134-0x00000000004E0000-0x00000000004E6000-memory.dmp

    Filesize

    24KB

  • memory/3432-135-0x00000000004E0000-0x00000000004E6000-memory.dmp

    Filesize

    24KB

  • memory/3432-136-0x00000000006E0000-0x00000000006E6000-memory.dmp

    Filesize

    24KB

  • memory/3432-150-0x0000000000450000-0x0000000000453000-memory.dmp

    Filesize

    12KB