Analysis

  • max time kernel
    170s
  • max time network
    177s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    08-09-2022 19:41

General

  • Target

    73a745cd7a35f81f7ca9d7d81ba40e1c.exe

  • Size

    4MB

  • MD5

    73a745cd7a35f81f7ca9d7d81ba40e1c

  • SHA1

    5c0e4eb81186b7b3f3bf1b145fa757d6d88e1c42

  • SHA256

    ae29fa6590365573a80499fe19d125d8bd48f6f9096e2b1311b76a694cd6c2bb

  • SHA512

    2398c808b919efa10fe50925e75c0518299f226bfc92e9b1a33a8f512b3e6a760416d988b5e2e50e224c2e7e6cc84b980fba650840e9225406dbb24a6f9a04d6

  • SSDEEP

    98304:yDqPoBhz1aRxcSUDk36SAEdhvxWa9P5Z+G:yDqPe1Cxcxk3ZAEUadH

Malware Config

Signatures

  • Wannacry

    WannaCry is a ransomware cryptoworm.

  • Contacts a large (2507) amount of remote hosts 1 TTPs

    This may indicate a network scan to discover remotely running services.

  • Executes dropped EXE 1 IoCs
  • Drops file in Windows directory 1 IoCs
  • Modifies data under HKEY_USERS 5 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\73a745cd7a35f81f7ca9d7d81ba40e1c.exe
    "C:\Users\Admin\AppData\Local\Temp\73a745cd7a35f81f7ca9d7d81ba40e1c.exe"
    1⤵
    • Drops file in Windows directory
    PID:4816
    • C:\WINDOWS\tasksche.exe
      C:\WINDOWS\tasksche.exe /i
      2⤵
      • Executes dropped EXE
      PID:3276
  • C:\Users\Admin\AppData\Local\Temp\73a745cd7a35f81f7ca9d7d81ba40e1c.exe
    C:\Users\Admin\AppData\Local\Temp\73a745cd7a35f81f7ca9d7d81ba40e1c.exe -m security
    1⤵
    • Modifies data under HKEY_USERS
    PID:4996

Network

MITRE ATT&CK Matrix ATT&CK v6

Discovery

Network Service Scanning

1
T1046

Replay Monitor

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Downloads

  • C:\Windows\tasksche.exe
    Filesize

    3MB

    MD5

    c2d36bc9c188745c2b8fdf9d0476b686

    SHA1

    9ee71be6eb7bcd941fbcac74633111aaaeed0a0d

    SHA256

    51526c8b491d7adaf5c583b56db21d249963e153f7f5891746dc521ea0352921

    SHA512

    245e11c85302df5e86e75127432a496d4c85e75ecee7a979d7d0a19a082d1a30f109ccef9c68bcf7b6f472af1e3b3db45bc74f27549e3342c06b1720c03c2d5e