Analysis

  • max time kernel
    150s
  • max time network
    142s
  • platform
    windows10_x64
  • resource
    win10v200430
  • submitted
    14-07-2020 05:18

General

  • Target

    tr_3.xls

  • Size

    90KB

  • MD5

    5ca92721e11bdf5639bb4b318a21306e

  • SHA1

    18dfa536f2c91664c502f2bf651aa07ce2189668

  • SHA256

    0eb8945c373c97dc92daf2606d48ba5677b954110ee7b7a00b0d7b006a01fa03

  • SHA512

    fd003ba7c0be78f493cd7a687e77b27c5cd102df0ca20e21edc5d9789a25830dc1160e0ea49e1fc9fb6ed87b48373fefce714b9dc3c26a932ffe11088fdd175c

Malware Config

Signatures

  • Suspicious use of WriteProcessMemory 76 IoCs
  • Suspicious use of FindShellTrayWindow 3 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • Modifies Internet Explorer settings 1 TTPs 36 IoCs
  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious use of SetWindowsHookEx 26 IoCs
  • Enumerates system info in registry 2 TTPs 3 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.

  • Checks processor information in registry 2 TTPs 3 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 1515 IoCs
  • Suspicious use of AdjustPrivilegeToken 92 IoCs
  • Executes dropped EXE 1 IoCs
  • Pony,Fareit

    Pony is a Remote Access Trojan application that steals information.

  • Ursnif, Dreambot

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

  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Suspicious use of SetThreadContext 8 IoCs
  • Program crash 1 IoCs
  • Suspicious behavior: MapViewOfSection 6 IoCs
  • Suspicious behavior: CmdExeWriteProcessMemorySpam 1 IoCs
  • Suspicious use of UnmapMainImage 1 IoCs
  • Checks for installed software on the system 1 TTPs 7 IoCs
  • Process spawned unexpected child process 1 IoCs

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

  • Checks whether UAC is enabled 3 IoCs
  • Gozi, Gozi IFSB

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

  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Suspicious use of WriteProcessMemory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetThreadContext
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of UnmapMainImage
    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_3.xls"
      2⤵
      • Suspicious use of WriteProcessMemory
      • Suspicious use of SetWindowsHookEx
      • Enumerates system info in registry
      • Checks processor information in registry
      • Suspicious behavior: AddClipboardFormatListener
      PID:3944
      • C:\Windows\System32\regsvr32.exe
        "C:\Windows\System32\regsvr32.exe" /s /i dDdoiBj.ocx
        3⤵
        • Suspicious use of WriteProcessMemory
        • Process spawned unexpected child process
        PID:3548
        • C:\Windows\SysWOW64\regsvr32.exe
          /s /i dDdoiBj.ocx
          4⤵
          • Suspicious use of WriteProcessMemory
          • Loads dropped DLL
          • Suspicious use of SetThreadContext
          PID:3940
          • C:\Windows\SysWOW64\svchost.exe
            C:\Windows\System32\svchost.exe
            5⤵
            • Suspicious use of WriteProcessMemory
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious use of SetThreadContext
            • Checks for installed software on the system
            PID:3612
            • C:\Windows\SysWOW64\cmd.exe
              cmd /K
              6⤵
                PID:2508
              • C:\Windows\SysWOW64\svchost.exe
                C:\Windows\System32\svchost.exe
                6⤵
                • Suspicious use of AdjustPrivilegeToken
                PID:3756
              • C:\Users\Admin\AppData\Local\Temp\BN3464.tmp
                C:\Users\Admin\AppData\Local\Temp\BN3464.tmp
                6⤵
                • Executes dropped EXE
                PID:3768
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -u -p 3940 -s 664
              5⤵
              • Suspicious behavior: EnumeratesProcesses
              • Program crash
              PID:1216
      • 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\\28FFF86C-67D8-9AFA-31DC-8B6EF5D0EF82\\\AxInrvps'));if(!window.flag)close()</script>"
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:1216
        • 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\28FFF86C-67D8-9AFA-31DC-8B6EF5D0EF82").AppCbcd))
          3⤵
          • Suspicious use of WriteProcessMemory
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of SetThreadContext
          • Suspicious behavior: MapViewOfSection
          PID:3952
          • 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\kmgd0ag0\kmgd0ag0.cmdline"
            4⤵
            • Suspicious use of WriteProcessMemory
            PID:3792
            • 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\RESB4DF.tmp" "c:\Users\Admin\AppData\Local\Temp\kmgd0ag0\CSC399CB494212A4B5C8121185EDD14763.TMP"
              5⤵
                PID:3328
            • 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\0jqfuy0q\0jqfuy0q.cmdline"
              4⤵
              • Suspicious use of WriteProcessMemory
              PID:3128
              • 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\RESB5AA.tmp" "c:\Users\Admin\AppData\Local\Temp\0jqfuy0q\CSC54FAE3EBC43D4F339EA1C8559E6C671F.TMP"
                5⤵
                  PID:1784
          • C:\Windows\System32\cmd.exe
            "C:\Windows\System32\cmd.exe" /C ping localhost -n 5 && del "C:\Users\Admin\AppData\Local\Temp\BN3464.tmp"
            2⤵
            • Suspicious use of WriteProcessMemory
            • Suspicious use of SetThreadContext
            • Suspicious behavior: MapViewOfSection
            PID:3412
            • C:\Windows\system32\PING.EXE
              ping localhost -n 5
              3⤵
              • Runs ping.exe
              • Suspicious behavior: CmdExeWriteProcessMemorySpam
              PID:3796
          • C:\Windows\system32\cmd.exe
            cmd /C "nslookup myip.opendns.com resolver1.opendns.com > C:\Users\Admin\AppData\Local\Temp\897A.bi1"
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:1804
            • C:\Windows\system32\nslookup.exe
              nslookup myip.opendns.com resolver1.opendns.com
              3⤵
                PID:3764
            • C:\Windows\system32\cmd.exe
              cmd /C "nslookup myip.opendns.com resolver1.opendns.com > C:\Users\Admin\AppData\Local\Temp\49E8.bi1"
              2⤵
                PID:3920
                • C:\Windows\system32\nslookup.exe
                  nslookup myip.opendns.com resolver1.opendns.com
                  3⤵
                    PID:2100
                • C:\Windows\system32\cmd.exe
                  cmd /C "echo -------- >> C:\Users\Admin\AppData\Local\Temp\49E8.bi1"
                  2⤵
                    PID:3848
                  • C:\Windows\system32\cmd.exe
                    cmd /C "echo -------- >> C:\Users\Admin\AppData\Local\Temp\897A.bi1"
                    2⤵
                      PID:3768
                    • C:\Program Files\Windows Mail\WinMail.exe
                      "C:\Program Files\Windows Mail\WinMail" OCInstallUserConfigOE
                      2⤵
                        PID:3764
                    • C:\Windows\System32\RuntimeBroker.exe
                      C:\Windows\System32\RuntimeBroker.exe -Embedding
                      1⤵
                        PID:3400
                      • C:\Program Files\Internet Explorer\iexplore.exe
                        "C:\Program Files\Internet Explorer\iexplore.exe" -Embedding
                        1⤵
                        • Suspicious use of WriteProcessMemory
                        • Suspicious use of FindShellTrayWindow
                        • Modifies Internet Explorer settings
                        • Suspicious use of SetWindowsHookEx
                        • Checks whether UAC is enabled
                        PID:3500
                        • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
                          "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3500 CREDAT:82945 /prefetch:2
                          2⤵
                          • Modifies Internet Explorer settings
                          • Suspicious use of SetWindowsHookEx
                          • Checks whether UAC is enabled
                          PID:4084
                        • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
                          "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3500 CREDAT:82952 /prefetch:2
                          2⤵
                          • Modifies Internet Explorer settings
                          • Suspicious use of SetWindowsHookEx
                          • Checks whether UAC is enabled
                          PID:3180

                      Network

                      MITRE ATT&CK Enterprise v6

                      Replay Monitor

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                      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\0jqfuy0q\0jqfuy0q.dll

                      • C:\Users\Admin\AppData\Local\Temp\49E8.bi1

                      • C:\Users\Admin\AppData\Local\Temp\49E8.bi1

                      • C:\Users\Admin\AppData\Local\Temp\897A.bi1

                      • C:\Users\Admin\AppData\Local\Temp\897A.bi1

                      • C:\Users\Admin\AppData\Local\Temp\BN3464.tmp

                      • C:\Users\Admin\AppData\Local\Temp\BN3464.tmp

                      • C:\Users\Admin\AppData\Local\Temp\RESB4DF.tmp

                      • C:\Users\Admin\AppData\Local\Temp\RESB5AA.tmp

                      • C:\Users\Admin\AppData\Local\Temp\kmgd0ag0\kmgd0ag0.dll

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

                      • \??\c:\Users\Admin\AppData\Local\Temp\0jqfuy0q\0jqfuy0q.0.cs

                      • \??\c:\Users\Admin\AppData\Local\Temp\0jqfuy0q\0jqfuy0q.cmdline

                      • \??\c:\Users\Admin\AppData\Local\Temp\0jqfuy0q\CSC54FAE3EBC43D4F339EA1C8559E6C671F.TMP

                      • \??\c:\Users\Admin\AppData\Local\Temp\kmgd0ag0\CSC399CB494212A4B5C8121185EDD14763.TMP

                      • \??\c:\Users\Admin\AppData\Local\Temp\kmgd0ag0\kmgd0ag0.0.cs

                      • \??\c:\Users\Admin\AppData\Local\Temp\kmgd0ag0\kmgd0ag0.cmdline

                      • \Users\Admin\Documents\dDdoiBj.ocx

                      • memory/1216-19-0x0000000004630000-0x0000000004631000-memory.dmp

                        Filesize

                        4KB

                      • memory/1216-23-0x0000000004C60000-0x0000000004C61000-memory.dmp

                        Filesize

                        4KB

                      • memory/1784-40-0x0000000000000000-mapping.dmp

                      • memory/1804-48-0x0000000000000000-mapping.dmp

                      • memory/2100-51-0x0000000000000000-mapping.dmp

                      • memory/2508-7-0x0000000000000000-mapping.dmp

                      • memory/3128-37-0x0000000000000000-mapping.dmp

                      • memory/3180-28-0x0000000000000000-mapping.dmp

                      • memory/3328-33-0x0000000000000000-mapping.dmp

                      • memory/3412-45-0x00000001002D2000-mapping.dmp

                      • memory/3412-44-0x0000000000000000-mapping.dmp

                      • memory/3548-0-0x0000000000000000-mapping.dmp

                      • memory/3612-5-0x00000000003E2960-mapping.dmp

                      • memory/3612-4-0x00000000003E0000-0x00000000003E9000-memory.dmp

                        Filesize

                        36KB

                      • memory/3612-6-0x00000000003E0000-0x00000000003E9000-memory.dmp

                        Filesize

                        36KB

                      • memory/3756-8-0x000000000BC00000-0x000000000BC12000-memory.dmp

                        Filesize

                        72KB

                      • memory/3756-10-0x000000000BC00000-0x000000000BC12000-memory.dmp

                        Filesize

                        72KB

                      • memory/3756-9-0x000000000BC01067-mapping.dmp

                      • memory/3764-58-0x0000000000000000-mapping.dmp

                      • memory/3764-59-0x000000499E78E000-mapping.dmp

                      • memory/3764-50-0x0000000000000000-mapping.dmp

                      • memory/3768-15-0x0000000001170000-0x0000000001171000-memory.dmp

                        Filesize

                        4KB

                      • memory/3768-11-0x0000000000000000-mapping.dmp

                      • memory/3768-53-0x0000000000000000-mapping.dmp

                      • memory/3792-30-0x0000000000000000-mapping.dmp

                      • memory/3796-47-0x000000C3E8AF7000-mapping.dmp

                      • memory/3796-46-0x0000000000000000-mapping.dmp

                      • memory/3848-52-0x0000000000000000-mapping.dmp

                      • memory/3920-49-0x0000000000000000-mapping.dmp

                      • memory/3940-25-0x0000000000000000-mapping.dmp

                      • memory/3940-20-0x0000000000000000-mapping.dmp

                      • memory/3940-21-0x0000000000000000-mapping.dmp

                      • memory/3940-22-0x0000000000000000-mapping.dmp

                      • memory/3940-24-0x0000000000000000-mapping.dmp

                      • memory/3940-26-0x0000000003490000-0x0000000003491000-memory.dmp

                        Filesize

                        4KB

                      • memory/3940-2-0x0000000000000000-mapping.dmp

                      • memory/3952-29-0x0000000000000000-mapping.dmp

                      • memory/4084-27-0x0000000000000000-mapping.dmp