Analysis

  • max time kernel
    162s
  • max time network
    153s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    21/06/2022, 11:08

General

  • Target

    d2d37362b56af2703f2c3dcfb36b56b4.exe

  • Size

    370KB

  • MD5

    d2d37362b56af2703f2c3dcfb36b56b4

  • SHA1

    06c6acc7060fb356d5bc7693f8d4bcecbbb4fb62

  • SHA256

    04e6039e29e0b8f6fb1ec1502a3225c74c4c18f6c0ba1ce10eb2c834ede7f149

  • SHA512

    c6dc602d4785b3e0cab4d1cfd033c13dd29b8fe0e22439f11c74381af4350eea7f7ce392c3461878f855b4e267e8c104c0a6547ff9d946c50d80731212691307

Malware Config

Extracted

Family

xloader

Version

2.6

Campaign

zgtb

Decoy

gabriellep.com

honghe4.xyz

anisaofrendas.com

happy-tile.com

thesulkies.com

international-ipo.com

tazeco.info

hhhzzz.xyz

vrmonster.xyz

theearthresidencia.com

sportape.xyz

elshadaibaterias.com

koredeiihibi.com

taxtaa.com

globalcityb.com

fxivcama.com

dagsmith.com

elmar-bhp.com

peakice.net

jhcdjewelry.com

Signatures

  • Formbook

    Formbook is a data stealing malware which is capable of stealing data.

  • Xloader

    Xloader is a rebranded version of Formbook malware.

  • suricata: ET MALWARE FormBook CnC Checkin (GET)

    suricata: ET MALWARE FormBook CnC Checkin (GET)

  • Xloader Payload 5 IoCs
  • Adds policy Run key to start application 2 TTPs 2 IoCs
  • Blocklisted process makes network request 2 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • Suspicious use of SetThreadContext 3 IoCs
  • Drops file in Program Files directory 1 IoCs
  • Modifies Internet Explorer settings 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 21 IoCs
  • Suspicious behavior: MapViewOfSection 7 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SendNotifyMessage 2 IoCs
  • Suspicious use of WriteProcessMemory 20 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:1260
    • C:\Users\Admin\AppData\Local\Temp\d2d37362b56af2703f2c3dcfb36b56b4.exe
      "C:\Users\Admin\AppData\Local\Temp\d2d37362b56af2703f2c3dcfb36b56b4.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious use of WriteProcessMemory
      PID:1700
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe"
        3⤵
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of AdjustPrivilegeToken
        PID:1680
    • C:\Windows\SysWOW64\autoconv.exe
      "C:\Windows\SysWOW64\autoconv.exe"
      2⤵
        PID:1228
      • C:\Windows\SysWOW64\autoconv.exe
        "C:\Windows\SysWOW64\autoconv.exe"
        2⤵
          PID:1996
        • C:\Windows\SysWOW64\autoconv.exe
          "C:\Windows\SysWOW64\autoconv.exe"
          2⤵
            PID:2004
          • C:\Windows\SysWOW64\autoconv.exe
            "C:\Windows\SysWOW64\autoconv.exe"
            2⤵
              PID:2008
            • C:\Windows\SysWOW64\autoconv.exe
              "C:\Windows\SysWOW64\autoconv.exe"
              2⤵
                PID:1428
              • C:\Windows\SysWOW64\autoconv.exe
                "C:\Windows\SysWOW64\autoconv.exe"
                2⤵
                  PID:1872
                • C:\Windows\SysWOW64\autoconv.exe
                  "C:\Windows\SysWOW64\autoconv.exe"
                  2⤵
                    PID:1976
                  • C:\Windows\SysWOW64\autoconv.exe
                    "C:\Windows\SysWOW64\autoconv.exe"
                    2⤵
                      PID:1960
                    • C:\Windows\SysWOW64\cmd.exe
                      "C:\Windows\SysWOW64\cmd.exe"
                      2⤵
                      • Adds policy Run key to start application
                      • Blocklisted process makes network request
                      • Suspicious use of SetThreadContext
                      • Drops file in Program Files directory
                      • Modifies Internet Explorer settings
                      • Suspicious behavior: EnumeratesProcesses
                      • Suspicious behavior: MapViewOfSection
                      • Suspicious use of AdjustPrivilegeToken
                      • Suspicious use of WriteProcessMemory
                      • System policy modification
                      PID:596
                      • C:\Windows\SysWOW64\cmd.exe
                        /c del "C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe"
                        3⤵
                          PID:784
                        • C:\Program Files\Mozilla Firefox\Firefox.exe
                          "C:\Program Files\Mozilla Firefox\Firefox.exe"
                          3⤵
                            PID:1980

                      Network

                            MITRE ATT&CK Enterprise v6

                            Replay Monitor

                            Loading Replay Monitor...

                            Downloads

                            • memory/596-71-0x0000000001C90000-0x0000000001D20000-memory.dmp

                              Filesize

                              576KB

                            • memory/596-75-0x00000000753B1000-0x00000000753B3000-memory.dmp

                              Filesize

                              8KB

                            • memory/596-73-0x0000000000080000-0x00000000000AB000-memory.dmp

                              Filesize

                              172KB

                            • memory/596-70-0x0000000001ED0000-0x00000000021D3000-memory.dmp

                              Filesize

                              3.0MB

                            • memory/596-69-0x0000000000080000-0x00000000000AB000-memory.dmp

                              Filesize

                              172KB

                            • memory/596-68-0x000000004A040000-0x000000004A08C000-memory.dmp

                              Filesize

                              304KB

                            • memory/1260-74-0x0000000004390000-0x0000000004431000-memory.dmp

                              Filesize

                              644KB

                            • memory/1260-72-0x0000000004390000-0x0000000004431000-memory.dmp

                              Filesize

                              644KB

                            • memory/1260-65-0x0000000006CE0000-0x0000000006E1D000-memory.dmp

                              Filesize

                              1.2MB

                            • memory/1680-59-0x0000000000400000-0x000000000042B000-memory.dmp

                              Filesize

                              172KB

                            • memory/1680-63-0x0000000000BF0000-0x0000000000EF3000-memory.dmp

                              Filesize

                              3.0MB

                            • memory/1680-62-0x0000000000400000-0x000000000042B000-memory.dmp

                              Filesize

                              172KB

                            • memory/1680-64-0x0000000000140000-0x0000000000151000-memory.dmp

                              Filesize

                              68KB

                            • memory/1680-57-0x0000000000400000-0x000000000042B000-memory.dmp

                              Filesize

                              172KB

                            • memory/1680-56-0x0000000000400000-0x000000000042B000-memory.dmp

                              Filesize

                              172KB

                            • memory/1700-55-0x0000000000360000-0x0000000000394000-memory.dmp

                              Filesize

                              208KB

                            • memory/1700-54-0x0000000000250000-0x00000000002B2000-memory.dmp

                              Filesize

                              392KB