Analysis

  • max time kernel
    119s
  • max time network
    120s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    20-05-2024 13:52

General

  • Target

    wannacry-sample.exe

  • Size

    3.6MB

  • MD5

    d724d8cc6420f06e8a48752f0da11c66

  • SHA1

    3b669778698972c402f7c149fc844d0ddb3a00e8

  • SHA256

    07c44729e2c570b37db695323249474831f5861d45318bf49ccf5d2f5c8ea1cd

  • SHA512

    d771d74894e72402bbd016787fb102053678424205644bceec17ee3e7598e3f4aeb59b0f3272b5dbe1d26289f659024520653f57fc1bfe18054ffae4f188aef9

  • SSDEEP

    98304:Z8qPoBhz1aRxcSUDk36SAEdhvxWa9P593R8yAVp2HI:Z8qPe1Cxcxk3ZAEUadzR8yc4HI

Malware Config

Signatures

  • Wannacry

    WannaCry is a ransomware cryptoworm.

  • Contacts a large (2465) 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
  • Checks SCSI registry key(s) 3 TTPs 3 IoCs

    SCSI information is often read in order to detect sandboxing environments.

  • Checks processor information in registry 2 TTPs 2 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Suspicious behavior: EnumeratesProcesses 36 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of FindShellTrayWindow 46 IoCs
  • Suspicious use of SendNotifyMessage 46 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\wannacry-sample.exe
    "C:\Users\Admin\AppData\Local\Temp\wannacry-sample.exe"
    1⤵
    • Drops file in Windows directory
    PID:2872
    • C:\WINDOWS\tasksche.exe
      C:\WINDOWS\tasksche.exe /i
      2⤵
      • Executes dropped EXE
      PID:1100
  • C:\Users\Admin\AppData\Local\Temp\wannacry-sample.exe
    C:\Users\Admin\AppData\Local\Temp\wannacry-sample.exe -m security
    1⤵
      PID:1808
    • C:\Windows\system32\launchtm.exe
      launchtm.exe /2
      1⤵
      • Suspicious use of WriteProcessMemory
      PID:3188
      • C:\Windows\System32\Taskmgr.exe
        "C:\Windows\System32\Taskmgr.exe" /2
        2⤵
        • Checks SCSI registry key(s)
        • Checks processor information in registry
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        PID:3080

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Windows\tasksche.exe

      Filesize

      3.4MB

      MD5

      7f7ccaa16fb15eb1c7399d422f8363e8

      SHA1

      bd44d0ab543bf814d93b719c24e90d8dd7111234

      SHA256

      2584e1521065e45ec3c17767c065429038fc6291c091097ea8b22c8a502c41dd

      SHA512

      83e334b80de08903cfa9891a3fa349c1ece7e19f8e62b74a017512fa9a7989a0fd31929bf1fc13847bee04f2da3dacf6bc3f5ee58f0e4b9d495f4b9af12ed2b7

    • memory/3080-3-0x0000025A85AA0000-0x0000025A85AA1000-memory.dmp

      Filesize

      4KB

    • memory/3080-4-0x0000025A85AA0000-0x0000025A85AA1000-memory.dmp

      Filesize

      4KB

    • memory/3080-5-0x0000025A85AA0000-0x0000025A85AA1000-memory.dmp

      Filesize

      4KB

    • memory/3080-9-0x0000025A85AA0000-0x0000025A85AA1000-memory.dmp

      Filesize

      4KB

    • memory/3080-10-0x0000025A85AA0000-0x0000025A85AA1000-memory.dmp

      Filesize

      4KB

    • memory/3080-11-0x0000025A85AA0000-0x0000025A85AA1000-memory.dmp

      Filesize

      4KB

    • memory/3080-15-0x0000025A85AA0000-0x0000025A85AA1000-memory.dmp

      Filesize

      4KB

    • memory/3080-14-0x0000025A85AA0000-0x0000025A85AA1000-memory.dmp

      Filesize

      4KB

    • memory/3080-13-0x0000025A85AA0000-0x0000025A85AA1000-memory.dmp

      Filesize

      4KB

    • memory/3080-12-0x0000025A85AA0000-0x0000025A85AA1000-memory.dmp

      Filesize

      4KB