Analysis

  • max time kernel
    151s
  • max time network
    151s
  • platform
    windows7_x64
  • resource
    win7v200722
  • submitted
    02/08/2020, 15:28

General

  • Target
    762002910000000.bin.exe
  • Size 85KB
  • Sample200802-vbht9618he
  • SHA256 e1f3874c42cdd4e2c49477d7b2bc3ebd3bcd4e3a2cf882fa4d1ea09546c74f5d
  • MD5 SHA1 SHA512

Malware Config

Signatures

  • Modifies service 2 TTPs 54 IoCs
  • Enumerates connected drives 3 TTPs
  • Suspicious use of WriteProcessMemory 94 IoCs
  • Modifies Internet Explorer settings 1 TTPs 2 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • Loads dropped DLL 68 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Checks installed software on the system 1 TTPs

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

  • Modifies system certificate store 2 TTPs 5 IoCs
  • Drops startup file 1 IoCs
  • Executes dropped EXE 5 IoCs
  • Suspicious behavior: EnumeratesProcesses 7 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • JavaScript code in executable 22 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    PID:1312
    • C:\Users\Admin\AppData\Local\Temp\762002910000000.bin.exe
      "C:\Users\Admin\AppData\Local\Temp\762002910000000.bin.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      • Loads dropped DLL
      • Modifies system certificate store
      PID:1432
      • C:\Users\Admin\AppData\Local\Temp\firefox.exe
        "C:\Users\Admin\AppData\Local\Temp\firefox.exe"
        3⤵
        • Suspicious use of WriteProcessMemory
        • Loads dropped DLL
        • Drops startup file
        • Executes dropped EXE
        PID:1696
        • C:\Users\Admin\AppData\Local\Temp\tor.exe
          "C:\Users\Admin\AppData\Local\Temp\tor.exe"
          4⤵
          • Loads dropped DLL
          • Executes dropped EXE
          PID:1168
        • C:\Users\Admin\AppData\Roaming\1063E35D9093B0F8\firefox.exe
          "C:\Users\Admin\AppData\Roaming\1063E35D9093B0F8\firefox.exe"
          4⤵
          • Suspicious use of WriteProcessMemory
          • Modifies Internet Explorer settings
          • Loads dropped DLL
          • Executes dropped EXE
          PID:1036
          • C:\Users\Admin\AppData\Roaming\1063E35D9093B0F8\tor.exe
            "C:\Users\Admin\AppData\Roaming\1063E35D9093B0F8\tor.exe"
            5⤵
            • Loads dropped DLL
            • Executes dropped EXE
            PID:564
          • C:\Windows\SysWOW64\dllhost.exe
            "C:\Windows\system32\dllhost.exe"
            5⤵
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of FindShellTrayWindow
            PID:1028
            • C:\Windows\SysWOW64\cmd.exe
              cmd.exe /c del /f /q %temp%\gif*
              6⤵
                PID:1536
              • C:\Windows\SysWOW64\msiexec.exe
                "" /stext "C:\Users\Admin\AppData\Local\Temp\_pA60F.tmp"
                6⤵
                  PID:1456
                • C:\Windows\SysWOW64\msiexec.exe
                  "" /stext "C:\Users\Admin\AppData\Local\Temp\_pA60E.tmp"
                  6⤵
                    PID:560
            • C:\Users\Admin\AppData\Local\Temp\setup.exe
              "C:\Users\Admin\AppData\Local\Temp\setup.exe"
              3⤵
              • Suspicious use of WriteProcessMemory
              • Suspicious use of SetWindowsHookEx
              • Modifies system certificate store
              • Executes dropped EXE
              PID:1248
              • C:\Windows\SysWOW64\netsh.exe
                Windows\System32\netsh.exe interface ipv4 delete dnsservers "Local Area Connection" all
                4⤵
                • Modifies service
                PID:1776
              • C:\Windows\SysWOW64\netsh.exe
                Windows\System32\netsh.exe interface ip delete dns "Local Area Connection" all
                4⤵
                • Modifies service
                PID:1344
              • C:\Windows\SysWOW64\netsh.exe
                Windows\System32\netsh.exe interface ipv4 add dnsserver "Local Area Connection" 185.81.157.105 index=1 validate=no
                4⤵
                • Modifies service
                PID:1828
              • C:\Windows\SysWOW64\netsh.exe
                Windows\System32\netsh.exe interface ip add dns "Local Area Connection" 185.81.157.105 index=1
                4⤵
                • Modifies service
                PID:860
              • C:\Windows\SysWOW64\netsh.exe
                Windows\System32\netsh.exe interface ipv4 delete dnsservers "Loopback Pseudo-Interface 1" all
                4⤵
                • Modifies service
                PID:1292
              • C:\Windows\SysWOW64\netsh.exe
                Windows\System32\netsh.exe interface ip delete dns "Loopback Pseudo-Interface 1" all
                4⤵
                • Modifies service
                PID:1868
              • C:\Windows\SysWOW64\netsh.exe
                Windows\System32\netsh.exe interface ipv4 add dnsserver "Loopback Pseudo-Interface 1" 185.81.157.105 index=1 validate=no
                4⤵
                • Modifies service
                PID:652
              • C:\Windows\SysWOW64\netsh.exe
                Windows\System32\netsh.exe interface ip add dns "Loopback Pseudo-Interface 1" 185.81.157.105 index=1
                4⤵
                • Modifies service
                PID:1120

        Network

              MITRE ATT&CK Enterprise v6

              Replay Monitor

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              Downloads

              memory/1248-183-0x000000000056A000-0x000000000058F000-memory.dmp

              memory/1248-182-0x000000000056A000-0x000000000058F000-memory.dmp

              memory/1432-59-0x00000000039E0000-0x00000000039E4000-memory.dmp