Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows7_x64
  • resource
    win7-20231129-en
  • resource tags

    arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
  • submitted
    09-05-2024 10:45

General

  • Target

    2024-05-09_eea599de3fbc1ce7e3a3012af2f74a6d_cryptolocker.exe

  • Size

    56KB

  • MD5

    eea599de3fbc1ce7e3a3012af2f74a6d

  • SHA1

    3560904aeeb5e0994398889c3b0d29eafc8440b5

  • SHA256

    9220d0334dbb636157cf84f4672c25a532186a9c572a644da1ef84ea4d63e242

  • SHA512

    f2d2644b084a9aae48cb4414475795cf4ec6c08833dc353e3d750a268da8108331e5dbbf6a9a15747615c0ba2ab700932a60ae79af17bf44674621bbdcef5aa7

  • SSDEEP

    768:vQz7yVEhs9+js1SQtOOtEvwDpjz9+4hdCW1nw71TkhsiPn1YFv6dl4G8:vj+jsMQMOtEvwDpj5HH1nw73KOFiO

Score
9/10

Malware Config

Signatures

  • Detection of CryptoLocker Variants 1 IoCs
  • Detection of Cryptolocker Samples 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\2024-05-09_eea599de3fbc1ce7e3a3012af2f74a6d_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-05-09_eea599de3fbc1ce7e3a3012af2f74a6d_cryptolocker.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:3040
    • C:\Users\Admin\AppData\Local\Temp\misid.exe
      "C:\Users\Admin\AppData\Local\Temp\misid.exe"
      2⤵
      • Executes dropped EXE
      PID:2884

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    57KB

    MD5

    9e3ca0d6d8bca4470d56a2a9980bd7d7

    SHA1

    c15c3fcf054a688967bc1dd315dade5f8a3a808a

    SHA256

    72769c8dbf73ba1a6ee2045f5730eddddf9651c6057f0b7291a53c8ddc356d6d

    SHA512

    64450ddf598f9876fa170d5a2860e537963f7a91394eede2d2e803204de1c817e25701d46520aa7cacd5081e46290cfd2a61807cf0823e15c18c78b0b7fa9d23

  • memory/2884-22-0x0000000000320000-0x0000000000326000-memory.dmp

    Filesize

    24KB

  • memory/2884-15-0x0000000000360000-0x0000000000366000-memory.dmp

    Filesize

    24KB

  • memory/3040-0-0x0000000000240000-0x0000000000246000-memory.dmp

    Filesize

    24KB

  • memory/3040-8-0x0000000000240000-0x0000000000246000-memory.dmp

    Filesize

    24KB

  • memory/3040-1-0x0000000000480000-0x0000000000486000-memory.dmp

    Filesize

    24KB