Analysis

  • max time kernel
    138s
  • max time network
    139s
  • platform
    windows7_x64
  • resource
    win7v20201028
  • submitted
    23/12/2020, 01:28

General

  • Target

    8e7e061cfbeca37aaa1faf43b7e248fbc53024e5abacd532873fdb7919569c2d.exe

  • Size

    40KB

  • MD5

    0286232c6300bea38235739d04845f57

  • SHA1

    b6e6d215790c97f2a401391366750d2ff9ededa9

  • SHA256

    8e7e061cfbeca37aaa1faf43b7e248fbc53024e5abacd532873fdb7919569c2d

  • SHA512

    0c8869392f7d85f50e630706c9e3c32fa68d1ba012ede1aa38cd1ebe467f65ffd2c49dbbb6231f973fef24640a36624c99147ac70d5310f29bb1ca72e496a63f

Malware Config

Signatures

  • Gozi, Gozi IFSB

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

  • Ursnif, Dreambot

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

  • Deletes itself 1 IoCs
  • Drops file in System32 directory 1 IoCs
  • Suspicious use of SetThreadContext 5 IoCs
  • Discovers systems in the same network 1 TTPs 1 IoCs
  • Enumerates processes with tasklist 1 TTPs 1 IoCs
  • Gathers system information 1 TTPs 1 IoCs

    Runs systeminfo.exe.

  • Modifies Internet Explorer settings 1 TTPs 37 IoCs
  • Runs net.exe
  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious behavior: CmdExeWriteProcessMemorySpam 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious behavior: MapViewOfSection 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of FindShellTrayWindow 7 IoCs
  • Suspicious use of SendNotifyMessage 4 IoCs
  • Suspicious use of SetWindowsHookEx 13 IoCs
  • Suspicious use of WriteProcessMemory 126 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1264
    • C:\Users\Admin\AppData\Local\Temp\8e7e061cfbeca37aaa1faf43b7e248fbc53024e5abacd532873fdb7919569c2d.exe
      "C:\Users\Admin\AppData\Local\Temp\8e7e061cfbeca37aaa1faf43b7e248fbc53024e5abacd532873fdb7919569c2d.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      PID:748
    • 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\\CB4B3BAF-AEAE-3526-102F-C23944D3167D\\\Auxisext'));if(!window.flag)close()</script>"
      2⤵
      • Modifies Internet Explorer settings
      • Suspicious use of WriteProcessMemory
      PID:1596
      • 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\CB4B3BAF-AEAE-3526-102F-C23944D3167D").aepiesrv))
        3⤵
        • Drops file in System32 directory
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:1756
        • 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\pxvki3w5\pxvki3w5.cmdline"
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:848
          • 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\RES626B.tmp" "c:\Users\Admin\AppData\Local\Temp\pxvki3w5\CSC450A03253A0846488E21673D422B8047.TMP"
            5⤵
              PID:1688
          • 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\uhoibey1\uhoibey1.cmdline"
            4⤵
            • Suspicious use of WriteProcessMemory
            PID:952
            • 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\RES62D8.tmp" "c:\Users\Admin\AppData\Local\Temp\uhoibey1\CSC3D80513CAF25451FA43740CE38E14626.TMP"
              5⤵
                PID:1172
        • C:\Windows\System32\cmd.exe
          "C:\Windows\System32\cmd.exe" /C ping localhost -n 5 && del "C:\Users\Admin\AppData\Local\Temp\8e7e061cfbeca37aaa1faf43b7e248fbc53024e5abacd532873fdb7919569c2d.exe"
          2⤵
          • Deletes itself
          • Suspicious use of SetThreadContext
          • Suspicious behavior: MapViewOfSection
          • Suspicious use of WriteProcessMemory
          PID:1564
          • C:\Windows\system32\PING.EXE
            ping localhost -n 5
            3⤵
            • Runs ping.exe
            • Suspicious behavior: CmdExeWriteProcessMemorySpam
            PID:1436
        • C:\Windows\system32\cmd.exe
          cmd /C "nslookup myip.opendns.com resolver1.opendns.com > C:\Users\Admin\AppData\Local\Temp\638C.bi1"
          2⤵
          • Suspicious use of WriteProcessMemory
          PID:1664
          • C:\Windows\system32\nslookup.exe
            nslookup myip.opendns.com resolver1.opendns.com
            3⤵
              PID:1308
          • C:\Windows\system32\cmd.exe
            cmd /C "nslookup myip.opendns.com resolver1.opendns.com > C:\Users\Admin\AppData\Local\Temp\248.bi1"
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:2020
            • C:\Windows\system32\nslookup.exe
              nslookup myip.opendns.com resolver1.opendns.com
              3⤵
                PID:1720
            • C:\Windows\system32\cmd.exe
              cmd /C "echo -------- >> C:\Users\Admin\AppData\Local\Temp\638C.bi1"
              2⤵
                PID:848
              • C:\Windows\system32\cmd.exe
                cmd /C "echo -------- >> C:\Users\Admin\AppData\Local\Temp\248.bi1"
                2⤵
                  PID:748
                • C:\Windows\system32\cmd.exe
                  cmd /C "systeminfo.exe > C:\Users\Admin\AppData\Local\Temp\EF28.bin1"
                  2⤵
                  • Suspicious use of WriteProcessMemory
                  PID:996
                  • C:\Windows\system32\systeminfo.exe
                    systeminfo.exe
                    3⤵
                    • Gathers system information
                    PID:2044
                • C:\Windows\syswow64\cmd.exe
                  "C:\Windows\syswow64\cmd.exe" /C pause dll mail, ,
                  2⤵
                    PID:1720
                  • C:\Windows\system32\cmd.exe
                    cmd /C "echo -------- >> C:\Users\Admin\AppData\Local\Temp\EF28.bin1"
                    2⤵
                      PID:2192
                    • C:\Windows\system32\cmd.exe
                      cmd /C "net view >> C:\Users\Admin\AppData\Local\Temp\EF28.bin1"
                      2⤵
                        PID:2220
                        • C:\Windows\system32\net.exe
                          net view
                          3⤵
                          • Discovers systems in the same network
                          PID:2248
                      • C:\Windows\system32\cmd.exe
                        cmd /C "echo -------- >> C:\Users\Admin\AppData\Local\Temp\EF28.bin1"
                        2⤵
                          PID:2264
                        • C:\Windows\system32\cmd.exe
                          cmd /C "nslookup 127.0.0.1 >> C:\Users\Admin\AppData\Local\Temp\EF28.bin1"
                          2⤵
                            PID:2292
                            • C:\Windows\system32\nslookup.exe
                              nslookup 127.0.0.1
                              3⤵
                                PID:2320
                            • C:\Windows\system32\cmd.exe
                              cmd /C "echo -------- >> C:\Users\Admin\AppData\Local\Temp\EF28.bin1"
                              2⤵
                                PID:2336
                              • C:\Windows\system32\cmd.exe
                                cmd /C "tasklist.exe /SVC >> C:\Users\Admin\AppData\Local\Temp\EF28.bin1"
                                2⤵
                                  PID:2364
                                  • C:\Windows\system32\tasklist.exe
                                    tasklist.exe /SVC
                                    3⤵
                                    • Enumerates processes with tasklist
                                    • Suspicious use of AdjustPrivilegeToken
                                    PID:2392
                                • C:\Windows\system32\cmd.exe
                                  cmd /C "echo -------- >> C:\Users\Admin\AppData\Local\Temp\EF28.bin1"
                                  2⤵
                                    PID:2424
                                  • C:\Windows\system32\cmd.exe
                                    cmd /C "driverquery.exe >> C:\Users\Admin\AppData\Local\Temp\EF28.bin1"
                                    2⤵
                                      PID:2452
                                      • C:\Windows\system32\driverquery.exe
                                        driverquery.exe
                                        3⤵
                                          PID:2480
                                      • C:\Windows\system32\cmd.exe
                                        cmd /C "echo -------- >> C:\Users\Admin\AppData\Local\Temp\EF28.bin1"
                                        2⤵
                                          PID:2520
                                        • C:\Windows\system32\cmd.exe
                                          cmd /C "reg.exe query "HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall" /s >> C:\Users\Admin\AppData\Local\Temp\EF28.bin1"
                                          2⤵
                                            PID:2548
                                            • C:\Windows\system32\reg.exe
                                              reg.exe query "HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall" /s
                                              3⤵
                                                PID:2576
                                            • C:\Windows\system32\cmd.exe
                                              cmd /C "echo -------- >> C:\Users\Admin\AppData\Local\Temp\EF28.bin1"
                                              2⤵
                                                PID:2588
                                              • C:\Windows\system32\cmd.exe
                                                cmd /U /C "type C:\Users\Admin\AppData\Local\Temp\EF28.bin1 > C:\Users\Admin\AppData\Local\Temp\EF28.bin & del C:\Users\Admin\AppData\Local\Temp\EF28.bin1"
                                                2⤵
                                                  PID:2616
                                                • C:\Windows\system32\makecab.exe
                                                  makecab.exe /F "C:\Users\Admin\AppData\Local\Temp\D762.bin"
                                                  2⤵
                                                    PID:2648
                                                • 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:1324
                                                  • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
                                                    "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1324 CREDAT:275457 /prefetch:2
                                                    2⤵
                                                    • Modifies Internet Explorer settings
                                                    • Suspicious use of SetWindowsHookEx
                                                    PID:780
                                                  • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
                                                    "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1324 CREDAT:734213 /prefetch:2
                                                    2⤵
                                                    • Modifies Internet Explorer settings
                                                    • Suspicious use of SetWindowsHookEx
                                                    PID:1532

                                                Network

                                                MITRE ATT&CK Enterprise v6

                                                Replay Monitor

                                                Loading Replay Monitor...

                                                Downloads

                                                • memory/608-2-0x000007FEF6350000-0x000007FEF65CA000-memory.dmp

                                                  Filesize

                                                  2.5MB

                                                • memory/1264-34-0x0000000005000000-0x000000000509A000-memory.dmp

                                                  Filesize

                                                  616KB

                                                • memory/1264-35-0x0000000005000000-0x000000000509A000-memory.dmp

                                                  Filesize

                                                  616KB

                                                • memory/1564-39-0x00000000004C0000-0x000000000055A000-memory.dmp

                                                  Filesize

                                                  616KB

                                                • memory/1756-14-0x000000001B5F0000-0x000000001B5F1000-memory.dmp

                                                  Filesize

                                                  4KB

                                                • memory/1756-15-0x000000001C2A0000-0x000000001C2A1000-memory.dmp

                                                  Filesize

                                                  4KB

                                                • memory/1756-11-0x000000001A9F0000-0x000000001A9F1000-memory.dmp

                                                  Filesize

                                                  4KB

                                                • memory/1756-12-0x0000000002890000-0x0000000002891000-memory.dmp

                                                  Filesize

                                                  4KB

                                                • memory/1756-23-0x0000000002440000-0x0000000002441000-memory.dmp

                                                  Filesize

                                                  4KB

                                                • memory/1756-13-0x0000000002420000-0x0000000002421000-memory.dmp

                                                  Filesize

                                                  4KB

                                                • memory/1756-31-0x00000000028C0000-0x00000000028C1000-memory.dmp

                                                  Filesize

                                                  4KB

                                                • memory/1756-10-0x00000000023E0000-0x00000000023E1000-memory.dmp

                                                  Filesize

                                                  4KB

                                                • memory/1756-9-0x000007FEF2E50000-0x000007FEF383C000-memory.dmp

                                                  Filesize

                                                  9.9MB