Analysis

  • max time kernel
    151s
  • max time network
    152s
  • platform
    windows10_x64
  • resource
    win10v20210410
  • submitted
    15-05-2021 14:41

General

  • Target

    7c34b806afb3ae478c837acdecbc0f5709dad6a17620402b6a7b14d9e2428bbb.exe

  • Size

    1.5MB

  • MD5

    59058b82e0c8ca6d3801f38036119f5b

  • SHA1

    a0face8c6f0d62327ae1d096b0949b5d0bb140fc

  • SHA256

    7c34b806afb3ae478c837acdecbc0f5709dad6a17620402b6a7b14d9e2428bbb

  • SHA512

    ae295166d938586fe378fa864bf06dd1cc3e521c173610b7dcf05146f47ddf30402224b721aa2aa58b236b8b6bdbfd8789a402360e4216a5b4254804915d2153

Score
10/10

Malware Config

Signatures

  • BadRabbit

    Ransomware family discovered in late 2017, mainly targeting Russia and Ukraine.

  • Executes dropped EXE 1 IoCs
  • Drops file in Windows directory 4 IoCs
  • Creates scheduled task(s) 1 TTPs 2 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 14 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 23 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\7c34b806afb3ae478c837acdecbc0f5709dad6a17620402b6a7b14d9e2428bbb.exe
    "C:\Users\Admin\AppData\Local\Temp\7c34b806afb3ae478c837acdecbc0f5709dad6a17620402b6a7b14d9e2428bbb.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    PID:2288
  • C:\Windows\SysWOW64\rundll32.exe
    C:\Windows\SysWOW64\rundll32.exe "C:\Windows\infpub.dat",#2 15
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1348
    • C:\Windows\SysWOW64\rundll32.exe
      C:\Windows\system32\rundll32.exe C:\Windows\infpub.dat,#1 15
      2⤵
      • Drops file in Windows directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1848
      • C:\Windows\SysWOW64\cmd.exe
        /c schtasks /Delete /F /TN rhaegal
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:1132
        • C:\Windows\SysWOW64\schtasks.exe
          schtasks /Delete /F /TN rhaegal
          4⤵
            PID:1752
        • C:\Windows\SysWOW64\cmd.exe
          /c schtasks /Create /RU SYSTEM /SC ONSTART /TN rhaegal /TR "C:\Windows\system32\cmd.exe /C Start \"\" \"C:\Windows\dispci.exe\" -id 2952455122 && exit"
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:1960
          • C:\Windows\SysWOW64\schtasks.exe
            schtasks /Create /RU SYSTEM /SC ONSTART /TN rhaegal /TR "C:\Windows\system32\cmd.exe /C Start \"\" \"C:\Windows\dispci.exe\" -id 2952455122 && exit"
            4⤵
            • Creates scheduled task(s)
            PID:2676
        • C:\Windows\SysWOW64\cmd.exe
          /c schtasks /Create /SC once /TN drogon /RU SYSTEM /TR "C:\Windows\system32\shutdown.exe /r /t 0 /f" /ST 00:42:00
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:2552
          • C:\Windows\SysWOW64\schtasks.exe
            schtasks /Create /SC once /TN drogon /RU SYSTEM /TR "C:\Windows\system32\shutdown.exe /r /t 0 /f" /ST 00:42:00
            4⤵
            • Creates scheduled task(s)
            PID:3260
        • C:\Windows\9CDD.tmp
          "C:\Windows\9CDD.tmp" \\.\pipe\{6D02A0EB-3B5B-45BC-AF3C-4045A89F0326}
          3⤵
          • Executes dropped EXE
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:2812

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

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    Downloads

    • memory/1848-115-0x0000000000C00000-0x0000000000C68000-memory.dmp

      Filesize

      416KB

    • memory/1848-120-0x0000000000C00000-0x0000000000C68000-memory.dmp

      Filesize

      416KB