Analysis

  • max time kernel
    151s
  • max time network
    140s
  • platform
    windows7_x64
  • resource
    win7
  • submitted
    13-07-2020 16:55

General

  • Target

    434.dll

  • Size

    367KB

  • MD5

    7e9c8822be0f73073ce2cc5ef5a13c96

  • SHA1

    10b2f8667db53eaf1b85a209d9b80b834425167f

  • SHA256

    bd6840cc208517847e130db0c847e715ba80a88e210e6383b37c1d0381877ee5

  • SHA512

    120bfec74eed70dc19d7aff9ed8dc392616a6c652f4c7b3f642219c6d5203038e66cef65e67b79041b8653b65021e2402b3cfc0f3b6850afd1d13e2a03637118

Malware Config

Signatures

  • Suspicious use of AdjustPrivilegeToken 33 IoCs
  • Loads dropped DLL 2 IoCs
  • Suspicious behavior: MapViewOfSection 3 IoCs
  • Modifies system certificate store 2 TTPs 2 IoCs
  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

  • Ursnif, Dreambot

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

  • Suspicious use of SetThreadContext 5 IoCs
  • Executes dropped EXE 1 IoCs
  • Suspicious use of FindShellTrayWindow 8 IoCs
  • Suspicious behavior: CmdExeWriteProcessMemorySpam 1 IoCs
  • Suspicious use of SendNotifyMessage 4 IoCs
  • Checks whether UAC is enabled 5 IoCs
  • Modifies Internet Explorer settings 1 TTPs 61 IoCs
  • Pony,Fareit

    Pony is a Remote Access Trojan application that steals information.

  • Looks up external IP address via web service 1 IoCs

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

  • Suspicious use of WriteProcessMemory 82 IoCs
  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Checks for installed software on the system 1 TTPs 10 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • Drops file in System32 directory 1 IoCs
  • Gozi, Gozi IFSB

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

  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious use of SetWindowsHookEx 16 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of SetThreadContext
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    • Suspicious behavior: EnumeratesProcesses
    PID:1224
    • C:\Windows\system32\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\434.dll,#1
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1156
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe C:\Users\Admin\AppData\Local\Temp\434.dll,#1
        3⤵
        • Suspicious use of SetThreadContext
        • Suspicious use of WriteProcessMemory
        PID:1068
        • C:\Windows\SysWOW64\svchost.exe
          C:\Windows\System32\svchost.exe
          4⤵
          • Suspicious use of AdjustPrivilegeToken
          • Loads dropped DLL
          • Modifies system certificate store
          • Suspicious use of SetThreadContext
          • Suspicious use of WriteProcessMemory
          • Suspicious behavior: EnumeratesProcesses
          • Checks for installed software on the system
          PID:1056
          • C:\Windows\SysWOW64\cmd.exe
            cmd /K
            5⤵
              PID:1956
            • C:\Windows\SysWOW64\svchost.exe
              C:\Windows\System32\svchost.exe
              5⤵
                PID:1996
              • C:\Users\Admin\AppData\Local\Temp\BN368C.tmp
                C:\Users\Admin\AppData\Local\Temp\BN368C.tmp
                5⤵
                • Executes dropped EXE
                PID:1924
        • 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\\981CEC34-17F7-8AA9-614C-3B5E25409F72\\\Bdeudler'));if(!window.flag)close()</script>"
          2⤵
          • Modifies Internet Explorer settings
          • Suspicious use of WriteProcessMemory
          PID:1816
          • 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\981CEC34-17F7-8AA9-614C-3B5E25409F72").CIRC2022))
            3⤵
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious behavior: MapViewOfSection
            • Suspicious use of SetThreadContext
            • Suspicious use of WriteProcessMemory
            • Suspicious behavior: EnumeratesProcesses
            • Drops file in System32 directory
            PID:888
            • 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\wnjl3ogy\wnjl3ogy.cmdline"
              4⤵
              • Suspicious use of WriteProcessMemory
              PID:1564
              • 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\RES5485.tmp" "c:\Users\Admin\AppData\Local\Temp\wnjl3ogy\CSC74C9B02F37C45B8A321452955674059.TMP"
                5⤵
                  PID:1456
              • 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\grdhpird\grdhpird.cmdline"
                4⤵
                • Suspicious use of WriteProcessMemory
                PID:1568
                • 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\RES5540.tmp" "c:\Users\Admin\AppData\Local\Temp\grdhpird\CSC2466E12677344EBA2A0F5814DA8915.TMP"
                  5⤵
                    PID:1532
            • C:\Windows\System32\cmd.exe
              "C:\Windows\System32\cmd.exe" /C ping localhost -n 5 && del "C:\Users\Admin\AppData\Local\Temp\BN368C.tmp"
              2⤵
              • Suspicious behavior: MapViewOfSection
              • Suspicious use of SetThreadContext
              PID:2024
              • C:\Windows\system32\PING.EXE
                ping localhost -n 5
                3⤵
                • Suspicious behavior: CmdExeWriteProcessMemorySpam
                • Runs ping.exe
                PID:1452
            • C:\Windows\system32\cmd.exe
              cmd /C "nslookup myip.opendns.com resolver1.opendns.com > C:\Users\Admin\AppData\Local\Temp\9F90.bi1"
              2⤵
                PID:1776
                • C:\Windows\system32\nslookup.exe
                  nslookup myip.opendns.com resolver1.opendns.com
                  3⤵
                    PID:1960
                • C:\Windows\system32\cmd.exe
                  cmd /C "echo -------- >> C:\Users\Admin\AppData\Local\Temp\9F90.bi1"
                  2⤵
                    PID:1272
                • 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
                  • Modifies Internet Explorer settings
                  • Suspicious use of WriteProcessMemory
                  • Suspicious use of SetWindowsHookEx
                  PID:1576
                  • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
                    "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1576 CREDAT:275457 /prefetch:2
                    2⤵
                    • Checks whether UAC is enabled
                    • Modifies Internet Explorer settings
                    • Suspicious use of SetWindowsHookEx
                    PID:2028
                  • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
                    "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1576 CREDAT:865285 /prefetch:2
                    2⤵
                      PID:1036
                  • 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
                    • Modifies Internet Explorer settings
                    • Suspicious use of WriteProcessMemory
                    • Suspicious use of SetWindowsHookEx
                    PID:1776
                    • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
                      "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1776 CREDAT:275457 /prefetch:2
                      2⤵
                      • Checks whether UAC is enabled
                      • Modifies Internet Explorer settings
                      • Suspicious use of SetWindowsHookEx
                      PID:1404
                    • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
                      "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1776 CREDAT:537610 /prefetch:2
                      2⤵
                      • Checks whether UAC is enabled
                      • Modifies Internet Explorer settings
                      • Suspicious use of SetWindowsHookEx
                      PID:1060

                  Network

                  MITRE ATT&CK Enterprise v6

                  Replay Monitor

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                  Downloads

                  • C:\Users\Admin\AppData\Local\Temp\9F90.bi1

                  • C:\Users\Admin\AppData\Local\Temp\9F90.bi1

                  • C:\Users\Admin\AppData\Local\Temp\BN368C.tmp

                  • C:\Users\Admin\AppData\Local\Temp\BN368C.tmp

                  • C:\Users\Admin\AppData\Local\Temp\RES5485.tmp

                  • C:\Users\Admin\AppData\Local\Temp\RES5540.tmp

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

                  • C:\Users\Admin\AppData\Local\Temp\wnjl3ogy\wnjl3ogy.dll

                  • \??\c:\Users\Admin\AppData\Local\Temp\grdhpird\CSC2466E12677344EBA2A0F5814DA8915.TMP

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

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

                  • \??\c:\Users\Admin\AppData\Local\Temp\wnjl3ogy\CSC74C9B02F37C45B8A321452955674059.TMP

                  • \??\c:\Users\Admin\AppData\Local\Temp\wnjl3ogy\wnjl3ogy.0.cs

                  • \??\c:\Users\Admin\AppData\Local\Temp\wnjl3ogy\wnjl3ogy.cmdline

                  • \Users\Admin\AppData\Local\Temp\BN368C.tmp

                  • \Users\Admin\AppData\Local\Temp\BN368C.tmp

                  • memory/888-24-0x0000000000000000-mapping.dmp

                  • memory/1056-1-0x0000000000400000-0x0000000000409000-memory.dmp

                    Filesize

                    36KB

                  • memory/1056-2-0x0000000000402960-mapping.dmp

                  • memory/1056-3-0x0000000000400000-0x0000000000409000-memory.dmp

                    Filesize

                    36KB

                  • memory/1060-22-0x0000000000000000-mapping.dmp

                  • memory/1068-0-0x0000000000000000-mapping.dmp

                  • memory/1272-47-0x0000000000000000-mapping.dmp

                  • memory/1404-23-0x0000000006080000-0x00000000060A3000-memory.dmp

                    Filesize

                    140KB

                  • memory/1404-21-0x0000000000000000-mapping.dmp

                  • memory/1452-45-0x000007FFFFFDF000-mapping.dmp

                  • memory/1452-43-0x0000000000000000-mapping.dmp

                  • memory/1456-28-0x0000000000000000-mapping.dmp

                  • memory/1532-35-0x0000000000000000-mapping.dmp

                  • memory/1564-25-0x0000000000000000-mapping.dmp

                  • memory/1568-32-0x0000000000000000-mapping.dmp

                  • memory/1776-44-0x0000000000000000-mapping.dmp

                  • memory/1924-14-0x0000000000000000-mapping.dmp

                  • memory/1924-16-0x0000000000DA9000-0x0000000000DBA000-memory.dmp

                    Filesize

                    68KB

                  • memory/1924-17-0x0000000000EA0000-0x0000000000EB1000-memory.dmp

                    Filesize

                    68KB

                  • memory/1956-7-0x0000000000000000-mapping.dmp

                  • memory/1960-46-0x0000000000000000-mapping.dmp

                  • memory/1996-11-0x000000000BC00000-0x000000000BC12000-memory.dmp

                    Filesize

                    72KB

                  • memory/1996-10-0x000000000BC01067-mapping.dmp

                  • memory/1996-9-0x000000000BC00000-0x000000000BC12000-memory.dmp

                    Filesize

                    72KB

                  • memory/2024-40-0x0000000000000000-mapping.dmp

                  • memory/2024-42-0x000007FFFFFDF000-mapping.dmp

                  • memory/2024-41-0x0000000000000000-mapping.dmp

                  • memory/2024-39-0x0000000000000000-mapping.dmp

                  • memory/2028-20-0x0000000004F10000-0x0000000004F13000-memory.dmp

                    Filesize

                    12KB

                  • memory/2028-19-0x0000000006FF0000-0x0000000007013000-memory.dmp

                    Filesize

                    140KB

                  • memory/2028-18-0x0000000000000000-mapping.dmp