Analysis

  • max time kernel
    95s
  • max time network
    96s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240611-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03-07-2024 22:54

General

  • Target

    Ransomware.NotPetya.exe

  • Size

    366KB

  • MD5

    e5cc289b0b2b74b8e02f5a7f07867705

  • SHA1

    81a884e16a81979c7fe56e61bcfdb94f8bb937ff

  • SHA256

    6497eb7e530ccecce0bc9d8a0771221d7e980b7be875b2b3969110eb8b8f2305

  • SHA512

    4cd22f953ce44d6d960dbe2bf651ae01fc865ec45742450a24a15c6f6b48b825b7979dbf287bf87f8290344f7bf5bf69d1c1f762f2e81a27d1fe0997712a5d2f

  • SSDEEP

    6144:vLh5iWs5gArF3LDd84ESQoCGhWg2ZQkyDfTbjfyLX1WYaaGM6Btk2:vN5iWs5gZ4E6CyWgcQBzvja4YaaUtk2

Malware Config

Signatures

  • Mimikatz

    mimikatz is an open source tool to dump credentials on Windows.

  • mimikatz is an open source tool to dump credentials on Windows 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs

    Bootkits write to the MBR to gain persistence at a level below the operating system.

  • Drops file in Program Files directory 55 IoCs
  • Drops file in Windows directory 4 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.

  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 48 IoCs
  • Suspicious use of AdjustPrivilegeToken 9 IoCs
  • Suspicious use of FindShellTrayWindow 64 IoCs
  • Suspicious use of SendNotifyMessage 64 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Ransomware.NotPetya.exe
    "C:\Users\Admin\AppData\Local\Temp\Ransomware.NotPetya.exe"
    1⤵
    • Drops file in Windows directory
    • Suspicious use of WriteProcessMemory
    PID:4232
    • C:\Windows\SysWOW64\rundll32.exe
      C:\Windows\system32\rundll32.exe C:\Windows\perfc.dat,#1
      2⤵
      • Loads dropped DLL
      • Writes to the Master Boot Record (MBR)
      • Drops file in Program Files directory
      • Drops file in Windows directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:564
      • C:\Windows\SysWOW64\cmd.exe
        /c schtasks /Create /SC once /TN "" /TR "C:\Windows\system32\shutdown.exe /r /f" /ST 23:57
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:4968
        • C:\Windows\SysWOW64\schtasks.exe
          schtasks /Create /SC once /TN "" /TR "C:\Windows\system32\shutdown.exe /r /f" /ST 23:57
          4⤵
          • Scheduled Task/Job: Scheduled Task
          PID:1320
      • C:\Users\Admin\AppData\Local\Temp\3568.tmp
        "C:\Users\Admin\AppData\Local\Temp\3568.tmp" \\.\pipe\{7B4680D9-DAEB-4C9E-A6A5-B524E87E7CA1}
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2032
  • C:\Windows\System32\rundll32.exe
    C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
    1⤵
      PID:808
    • C:\Windows\system32\taskmgr.exe
      "C:\Windows\system32\taskmgr.exe" /4
      1⤵
      • 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:4432

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Temp\3568.tmp

      Filesize

      55KB

      MD5

      7e37ab34ecdcc3e77e24522ddfd4852d

      SHA1

      38e2855e11e353cedf9a8a4f2f2747f1c5c07fcf

      SHA256

      02ef73bd2458627ed7b397ec26ee2de2e92c71a0e7588f78734761d8edbdcd9f

      SHA512

      1b037a2aa8bf951d2ffe2f724aa0b2fbb39c2173215806ba0327bda7b096301d887f9bb7db46f9e04584b16aa6b1aaeaf67f0ecf5f20eb02ceac27c8753ca587

    • C:\Windows\perfc.dat

      Filesize

      353KB

      MD5

      71b6a493388e7d0b40c83ce903bc6b04

      SHA1

      34f917aaba5684fbe56d3c57d48ef2a1aa7cf06d

      SHA256

      027cc450ef5f8c5f653329641ec1fed91f694e0d229928963b30f6b0d7d3a745

      SHA512

      072205eca5099d9269f358fe534b370ff21a4f12d7938d6d2e2713f69310f0698e53b8aff062849f0b2a521f68bee097c1840993825d2a5a3aa8cf4145911c6f

    • memory/564-27-0x0000000002930000-0x000000000298E000-memory.dmp

      Filesize

      376KB

    • memory/564-5-0x0000000002930000-0x000000000298E000-memory.dmp

      Filesize

      376KB

    • memory/564-13-0x0000000002930000-0x000000000298E000-memory.dmp

      Filesize

      376KB

    • memory/564-14-0x0000000002930000-0x000000000298E000-memory.dmp

      Filesize

      376KB

    • memory/564-16-0x0000000002930000-0x000000000298E000-memory.dmp

      Filesize

      376KB

    • memory/4232-0-0x0000000000DB0000-0x0000000000E0F000-memory.dmp

      Filesize

      380KB

    • memory/4232-2-0x0000000000DB0000-0x0000000000E0F000-memory.dmp

      Filesize

      380KB

    • memory/4432-38-0x0000022D9FD00000-0x0000022D9FD01000-memory.dmp

      Filesize

      4KB

    • memory/4432-39-0x0000022D9FD00000-0x0000022D9FD01000-memory.dmp

      Filesize

      4KB

    • memory/4432-37-0x0000022D9FD00000-0x0000022D9FD01000-memory.dmp

      Filesize

      4KB

    • memory/4432-49-0x0000022D9FD00000-0x0000022D9FD01000-memory.dmp

      Filesize

      4KB

    • memory/4432-48-0x0000022D9FD00000-0x0000022D9FD01000-memory.dmp

      Filesize

      4KB

    • memory/4432-47-0x0000022D9FD00000-0x0000022D9FD01000-memory.dmp

      Filesize

      4KB

    • memory/4432-46-0x0000022D9FD00000-0x0000022D9FD01000-memory.dmp

      Filesize

      4KB

    • memory/4432-45-0x0000022D9FD00000-0x0000022D9FD01000-memory.dmp

      Filesize

      4KB

    • memory/4432-44-0x0000022D9FD00000-0x0000022D9FD01000-memory.dmp

      Filesize

      4KB

    • memory/4432-43-0x0000022D9FD00000-0x0000022D9FD01000-memory.dmp

      Filesize

      4KB