Analysis

  • max time kernel
    145s
  • max time network
    140s
  • platform
    windows10_x64
  • resource
    win10
  • submitted
    19/08/2020, 12:42

General

  • Target
    booking payments.exe
  • Size 1.0MB
  • Sample200819-g68sr65dv6
  • SHA256 a943fc4408c2f59f2df0afabf3836e5adae92a8f4a4b1da0270e313d8ea78445
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • formbook

C2
  • http://www.fex-tracks.com/hx232/

Decoy
  • locavi33.com

  • footdirectch.com

  • carolinasofina.com

  • sarancasyab.com

  • ourdata.science

  • thewanderingnovice.com

  • hcijq.info

  • peasinabags.com

  • klobucharforpres.com

  • enthb.com

  • cleveparker.com

  • newsflixes.com

  • authorbrandonwong.com

  • bai44777.com

  • nesiacraft.com

  • sandhursthotel.com

  • motorcyclegas.insure

  • latestjobsnigeria.com

  • sylpt.com

  • usvsai.com

Signatures

  • Formbook

    Formbook is a data stealing malware which is capable of stealing data.

  • Suspicious use of NtCreateProcessExOtherParentProcess 1 IoCs
  • Formbook Payload 10 IoCs
  • Adds policy Run key to start application 2 TTPs 2 IoCs
  • Executes dropped EXE 12 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • Suspicious use of SetThreadContext 9 IoCs
  • Drops file in Program Files directory 1 IoCs
  • Program crash 1 IoCs
  • Modifies Internet Explorer settings 1 TTPs 1 IoCs
  • Modifies registry class 5 IoCs
  • Suspicious behavior: EnumeratesProcesses 144 IoCs
  • Suspicious behavior: MapViewOfSection 13 IoCs
  • Suspicious use of AdjustPrivilegeToken 42 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 79 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2980
    • C:\Users\Admin\AppData\Local\Temp\booking payments.exe
      "C:\Users\Admin\AppData\Local\Temp\booking payments.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3104
      • C:\Users\Admin\AppData\Roaming\15622377\ertoefqsph.pif
        "C:\Users\Admin\AppData\Roaming\15622377\ertoefqsph.pif" kojb.koi
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • Modifies registry class
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:3828
        • C:\Users\Admin\AppData\Local\Temp\RegSvcs.exe
          "C:\Users\Admin\AppData\Local\Temp\RegSvcs.exe"
          4⤵
          • Executes dropped EXE
          • Suspicious use of SetThreadContext
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious behavior: MapViewOfSection
          • Suspicious use of AdjustPrivilegeToken
          PID:1588
        • C:\Users\Admin\AppData\Local\Temp\RegSvcs.exe
          "C:\Users\Admin\AppData\Local\Temp\RegSvcs.exe"
          4⤵
          • Executes dropped EXE
          PID:3608
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 3608 -s 72
            5⤵
            • Suspicious use of NtCreateProcessExOtherParentProcess
            • Program crash
            PID:972
        • C:\Windows\SysWOW64\WScript.exe
          "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Roaming\15622377\run.vbs"
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:2204
          • C:\Users\Admin\AppData\Roaming\15622377\ertoefqsph.pif
            "C:\Users\Admin\AppData\Roaming\15622377\ertoefqsph.pif" kojb.koi
            5⤵
            • Executes dropped EXE
            • Suspicious use of SetThreadContext
            • Modifies registry class
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of WriteProcessMemory
            PID:3712
            • C:\Users\Admin\AppData\Local\Temp\RegSvcs.exe
              "C:\Users\Admin\AppData\Local\Temp\RegSvcs.exe"
              6⤵
              • Executes dropped EXE
              PID:3636
            • C:\Users\Admin\AppData\Local\Temp\RegSvcs.exe
              "C:\Users\Admin\AppData\Local\Temp\RegSvcs.exe"
              6⤵
              • Executes dropped EXE
              • Suspicious use of SetThreadContext
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious behavior: MapViewOfSection
              • Suspicious use of AdjustPrivilegeToken
              PID:3800
            • C:\Windows\SysWOW64\WScript.exe
              "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Roaming\15622377\run.vbs"
              6⤵
              • Suspicious use of WriteProcessMemory
              PID:1020
              • C:\Users\Admin\AppData\Roaming\15622377\ertoefqsph.pif
                "C:\Users\Admin\AppData\Roaming\15622377\ertoefqsph.pif" kojb.koi
                7⤵
                • Executes dropped EXE
                • Modifies registry class
                • Suspicious use of WriteProcessMemory
                PID:2132
                • C:\Windows\SysWOW64\WScript.exe
                  "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Roaming\15622377\run.vbs"
                  8⤵
                  • Suspicious use of WriteProcessMemory
                  PID:412
                  • C:\Users\Admin\AppData\Roaming\15622377\ertoefqsph.pif
                    "C:\Users\Admin\AppData\Roaming\15622377\ertoefqsph.pif" kojb.koi
                    9⤵
                    • Executes dropped EXE
                    • Suspicious use of SetThreadContext
                    • Modifies registry class
                    • Suspicious use of WriteProcessMemory
                    PID:3908
                    • C:\Users\Admin\AppData\Local\Temp\RegSvcs.exe
                      "C:\Users\Admin\AppData\Local\Temp\RegSvcs.exe"
                      10⤵
                      • Executes dropped EXE
                      PID:2884
                    • C:\Users\Admin\AppData\Local\Temp\RegSvcs.exe
                      "C:\Users\Admin\AppData\Local\Temp\RegSvcs.exe"
                      10⤵
                      • Executes dropped EXE
                      • Suspicious use of SetThreadContext
                      • Suspicious behavior: MapViewOfSection
                      • Suspicious use of AdjustPrivilegeToken
                      PID:4008
                    • C:\Windows\SysWOW64\WScript.exe
                      "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Roaming\15622377\run.vbs"
                      10⤵
                        PID:3100
                        • C:\Users\Admin\AppData\Roaming\15622377\ertoefqsph.pif
                          "C:\Users\Admin\AppData\Roaming\15622377\ertoefqsph.pif" kojb.koi
                          11⤵
                          • Executes dropped EXE
                          • Modifies registry class
                          PID:808
                          • C:\Windows\SysWOW64\WScript.exe
                            "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Roaming\15622377\run.vbs"
                            12⤵
                              PID:856
                              • C:\Users\Admin\AppData\Roaming\15622377\ertoefqsph.pif
                                "C:\Users\Admin\AppData\Roaming\15622377\ertoefqsph.pif" kojb.koi
                                13⤵
                                • Executes dropped EXE
                                PID:1352
        • C:\Windows\SysWOW64\colorcpl.exe
          "C:\Windows\SysWOW64\colorcpl.exe"
          2⤵
          • Adds policy Run key to start application
          • Suspicious use of SetThreadContext
          • Drops file in Program Files directory
          • Modifies Internet Explorer settings
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious behavior: MapViewOfSection
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:2692
          • C:\Windows\SysWOW64\cmd.exe
            /c del "C:\Users\Admin\AppData\Local\Temp\RegSvcs.exe"
            3⤵
              PID:2688
            • C:\Windows\SysWOW64\cmd.exe
              /c copy "C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Login Data" "C:\Users\Admin\AppData\Local\Temp\DB1" /V
              3⤵
                PID:3496
              • C:\Program Files\Mozilla Firefox\Firefox.exe
                "C:\Program Files\Mozilla Firefox\Firefox.exe"
                3⤵
                  PID:936
              • C:\Windows\SysWOW64\control.exe
                "C:\Windows\SysWOW64\control.exe"
                2⤵
                • Suspicious behavior: EnumeratesProcesses
                • Suspicious use of AdjustPrivilegeToken
                PID:3708
              • C:\Windows\SysWOW64\colorcpl.exe
                "C:\Windows\SysWOW64\colorcpl.exe"
                2⤵
                • Suspicious use of AdjustPrivilegeToken
                PID:1968

            Network

                  MITRE ATT&CK Enterprise v6

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                  Downloads

                  memory/972-15-0x0000000004BF0000-0x0000000004BF1000-memory.dmp

                  memory/1588-14-0x0000000072A90000-0x0000000072B23000-memory.dmp

                  memory/1588-10-0x0000000000400000-0x00000000009322B7-memory.dmp

                  memory/1968-257-0x0000000001270000-0x0000000001289000-memory.dmp

                  memory/1968-256-0x0000000001270000-0x0000000001289000-memory.dmp

                  memory/2692-18-0x0000000001270000-0x0000000001289000-memory.dmp

                  memory/2692-17-0x0000000001270000-0x0000000001289000-memory.dmp

                  memory/2692-24-0x0000000005F60000-0x0000000006036000-memory.dmp

                  memory/2980-254-0x0000000006B50000-0x0000000006CCE000-memory.dmp

                  memory/3708-240-0x0000000000A70000-0x0000000000A90000-memory.dmp

                  memory/3708-241-0x0000000000A70000-0x0000000000A90000-memory.dmp

                  memory/3800-25-0x0000000000400000-0x000000000042E000-memory.dmp

                  memory/3828-4-0x0000000072A90000-0x0000000072B23000-memory.dmp