Resubmissions

30-05-2022 22:30

220530-2erhxaheam 10

30-05-2022 21:50

220530-1py53agdaq 10

Analysis

  • max time kernel
    75s
  • max time network
    89s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    30-05-2022 21:50

General

  • Target

    BadRabbit.exe

  • Size

    431KB

  • MD5

    fbbdc39af1139aebba4da004475e8839

  • SHA1

    de5c8d858e6e41da715dca1c019df0bfb92d32c0

  • SHA256

    630325cac09ac3fab908f903e3b00d0dadd5fdaa0875ed8496fcbb97a558d0da

  • SHA512

    74eca8c01de215b33d5ceea1fda3f3bef96b513f58a750dba04b0de36f7ef4f7846a6431d52879ca0d8641bfd504d4721a9a96fa2e18c6888fd67fa77686af87

Score
10/10

Malware Config

Signatures

  • BadRabbit

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

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

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

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 7 IoCs
  • Suspicious use of WriteProcessMemory 23 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\BadRabbit.exe
    "C:\Users\Admin\AppData\Local\Temp\BadRabbit.exe"
    1⤵
    • Drops file in Windows directory
    • Suspicious use of WriteProcessMemory
    PID:996
    • 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:1992
      • C:\Windows\SysWOW64\cmd.exe
        /c schtasks /Delete /F /TN rhaegal
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:1072
        • C:\Windows\SysWOW64\schtasks.exe
          schtasks /Delete /F /TN rhaegal
          4⤵
            PID:468
        • 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 3363757907 && exit"
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:1968
          • 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 3363757907 && exit"
            4⤵
            • Creates scheduled task(s)
            PID:428
    • C:\Windows\system32\LogonUI.exe
      "LogonUI.exe" /flags:0x0
      1⤵
        PID:564
      • C:\Windows\system32\AUDIODG.EXE
        C:\Windows\system32\AUDIODG.EXE 0x180
        1⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:1388
      • C:\Windows\system32\LogonUI.exe
        "LogonUI.exe" /flags:0x1
        1⤵
          PID:1108

        Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Windows\infpub.dat

          Filesize

          401KB

          MD5

          1d724f95c61f1055f0d02c2154bbccd3

          SHA1

          79116fe99f2b421c52ef64097f0f39b815b20907

          SHA256

          579fd8a0385482fb4c789561a30b09f25671e86422f40ef5cca2036b28f99648

          SHA512

          f2d7b018d1516df1c97cfff5507957c75c6d9bf8e2ce52ae0052706f4ec62f13eba6d7be17e6ad2b693fdd58e1fd091c37f17bd2b948cdcd9b95b4ad428c0113

        • memory/564-69-0x000007FEFBF11000-0x000007FEFBF13000-memory.dmp

          Filesize

          8KB

        • memory/996-54-0x0000000075801000-0x0000000075803000-memory.dmp

          Filesize

          8KB

        • memory/1992-58-0x00000000001D0000-0x0000000000238000-memory.dmp

          Filesize

          416KB

        • memory/1992-64-0x00000000001D0000-0x0000000000238000-memory.dmp

          Filesize

          416KB