Analysis

  • max time kernel
    151s
  • max time network
    155s
  • 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 19:37

General

  • Target

    46f5d06f1ca33e107a9d70b1937fdbd4.exe

  • Size

    3.6MB

  • MD5

    46f5d06f1ca33e107a9d70b1937fdbd4

  • SHA1

    4f5d5eb603fe6bffe4fdedf9035da447822d51f7

  • SHA256

    34655064ada549dd770e56bf37110afb04b9b387f28b2f98ce8e3b1a7a821cdc

  • SHA512

    0ead60754e6bb44d66ea9976d143b719e74237f4f486488015d3875d2955f153f9efb584d18bd158ce34707b4f0824a0c05569e9773441153c569d201b585565

  • SSDEEP

    24576:2bLgddQhfdmMSirYbcMNgef0QeQjG/D8kIqRYoAdNLKz6626Wo/GsL9XEkI:2nAQqMSPbcBVQej/1INRAW+Gs/I

Malware Config

Signatures

  • Wannacry

    WannaCry is a ransomware cryptoworm.

  • Contacts a large (3104) amount of remote hosts 1 TTPs

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

  • Executes dropped EXE 1 IoCs
  • Creates a large amount of network flows 1 TTPs

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

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\46f5d06f1ca33e107a9d70b1937fdbd4.exe
    "C:\Users\Admin\AppData\Local\Temp\46f5d06f1ca33e107a9d70b1937fdbd4.exe"
    1⤵
    • Drops file in Windows directory
    PID:3736
    • C:\WINDOWS\tasksche.exe
      C:\WINDOWS\tasksche.exe /i
      2⤵
      • Executes dropped EXE
      PID:2072
  • C:\Users\Admin\AppData\Local\Temp\46f5d06f1ca33e107a9d70b1937fdbd4.exe
    C:\Users\Admin\AppData\Local\Temp\46f5d06f1ca33e107a9d70b1937fdbd4.exe -m security
    1⤵
    • Modifies data under HKEY_USERS
    PID:2396

Network

MITRE ATT&CK Matrix ATT&CK v6

Discovery

Network Service Scanning

2
T1046

Replay Monitor

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Downloads

  • C:\Windows\tasksche.exe
    Filesize

    3.4MB

    MD5

    735426d9039c4942a54dfa6230a8538f

    SHA1

    552ad4e47280624823ad4a5514a0b889b69b8c76

    SHA256

    db2fded9b3242a08ad836093a6dac507f5deaf8b09c077f27857194b4c31fd44

    SHA512

    3d7d591ee69dc9104809711a7137560bd22c0ad9145fabe3f5766414906496b7381f3cde1b0e240208a6a7d3310574f3c445a32a2ceb6966f2123b4ea4339f54