Analysis

  • max time kernel
    147s
  • max time network
    148s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    21-05-2022 01:16

General

  • Target

    Swift Copy Pdf.exe

  • Size

    324KB

  • MD5

    9a426dc20fda9d009e9420df7b25d4be

  • SHA1

    ee1b322966cc4c1c51a2d2cdf42146b9df551a0d

  • SHA256

    a50d19ddd0b87fdc2529cfb1676f14297125443103286553fbcdf4ffa989f8e7

  • SHA512

    21d19354008766a248a29ddeedfdf46320dd78fb478d480f941d47ea48028ca8843c816013d95ecec84c7fbe14bc1917fde1658b74cc54abaee93edfd065fd24

Malware Config

Extracted

Family

formbook

Version

3.9

Campaign

h0d

Decoy

goredfriday.com

ez-sleep.com

xydrgzx.com

paintersjacksonville.com

878212315.com

hotchatcams.com

cavalierwebsolutions.com

spirituellleben.com

emeraldjaya.com

dxyuq.info

rupturefarms.info

cajunnavygear.com

fsqdi.info

thegettinplacewhy.com

z0oav.com

conceptionfitness.com

kraftinvest.info

youngpeoplefutureofnews.com

cvmascotas.net

mundoconnection.com

Signatures

  • Formbook

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

  • suricata: ET MALWARE FormBook CnC Checkin (GET)

    suricata: ET MALWARE FormBook CnC Checkin (GET)

  • Formbook Payload 4 IoCs
  • Looks for VirtualBox Guest Additions in registry 2 TTPs
  • Adds policy Run key to start application 2 TTPs 2 IoCs
  • Looks for VMWare Tools registry key 2 TTPs
  • Checks BIOS information in registry 2 TTPs 2 IoCs

    BIOS information is often read in order to detect sandboxing environments.

  • Deletes itself 1 IoCs
  • Maps connected drives based on registry 3 TTPs 2 IoCs

    Disk information is often read in order to detect sandboxing environments.

  • 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 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SendNotifyMessage 2 IoCs
  • Suspicious use of WriteProcessMemory 15 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:1392
    • C:\Users\Admin\AppData\Local\Temp\Swift Copy Pdf.exe
      "C:\Users\Admin\AppData\Local\Temp\Swift Copy Pdf.exe"
      2⤵
      • Checks BIOS information in registry
      • Maps connected drives based on registry
      • Suspicious use of SetThreadContext
      • Suspicious use of WriteProcessMemory
      PID:884
      • C:\Users\Admin\AppData\Local\Temp\Swift Copy Pdf.exe
        "{path}"
        3⤵
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of AdjustPrivilegeToken
        PID:1984
    • C:\Windows\SysWOW64\autochk.exe
      "C:\Windows\SysWOW64\autochk.exe"
      2⤵
        PID:572
      • C:\Windows\SysWOW64\autochk.exe
        "C:\Windows\SysWOW64\autochk.exe"
        2⤵
          PID:1700
        • C:\Windows\SysWOW64\autochk.exe
          "C:\Windows\SysWOW64\autochk.exe"
          2⤵
            PID:1724
          • C:\Windows\SysWOW64\autochk.exe
            "C:\Windows\SysWOW64\autochk.exe"
            2⤵
              PID:1720
            • C:\Windows\SysWOW64\autochk.exe
              "C:\Windows\SysWOW64\autochk.exe"
              2⤵
                PID:1740
              • C:\Windows\SysWOW64\autochk.exe
                "C:\Windows\SysWOW64\autochk.exe"
                2⤵
                  PID:1400
                • C:\Windows\SysWOW64\autochk.exe
                  "C:\Windows\SysWOW64\autochk.exe"
                  2⤵
                    PID:108
                  • C:\Windows\SysWOW64\autochk.exe
                    "C:\Windows\SysWOW64\autochk.exe"
                    2⤵
                      PID:684
                    • C:\Windows\SysWOW64\autochk.exe
                      "C:\Windows\SysWOW64\autochk.exe"
                      2⤵
                        PID:648
                      • C:\Windows\SysWOW64\autochk.exe
                        "C:\Windows\SysWOW64\autochk.exe"
                        2⤵
                          PID:360
                        • C:\Windows\SysWOW64\cmmon32.exe
                          "C:\Windows\SysWOW64\cmmon32.exe"
                          2⤵
                          • Adds policy Run key to start application
                          • 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
                          PID:1336
                          • C:\Windows\SysWOW64\cmd.exe
                            /c del "C:\Users\Admin\AppData\Local\Temp\Swift Copy Pdf.exe"
                            3⤵
                            • Deletes itself
                            PID:1516

                      Network

                      MITRE ATT&CK Enterprise v6

                      Replay Monitor

                      Loading Replay Monitor...

                      Downloads

                      • C:\Users\Admin\AppData\Roaming\K354TO33\K35logim.jpeg

                        Filesize

                        66KB

                        MD5

                        891bda8d321d8b231fe334cb6aa942fc

                        SHA1

                        fe3a0fcc6185c031b304a336806f4fa7ee00da7c

                        SHA256

                        6f110d7aeb63b632f65c032409c7e3bb31764411b986a7a241908adf8d2ca463

                        SHA512

                        12b426b14ea8d96aeaef54d4e2507660d9f6af14f0d99cbd11aa220594dd0e89b007372302f5eb3f1aca99ddf7e96a96d0af8a4247cc56ef512c932ddbb39e15

                      • C:\Users\Admin\AppData\Roaming\K354TO33\K35logri.ini

                        Filesize

                        40B

                        MD5

                        d63a82e5d81e02e399090af26db0b9cb

                        SHA1

                        91d0014c8f54743bba141fd60c9d963f869d76c9

                        SHA256

                        eaece2eba6310253249603033c744dd5914089b0bb26bde6685ec9813611baae

                        SHA512

                        38afb05016d8f3c69d246321573997aaac8a51c34e61749a02bf5e8b2b56b94d9544d65801511044e1495906a86dc2100f2e20ff4fcbed09e01904cc780fdbad

                      • C:\Users\Admin\AppData\Roaming\K354TO33\K35logrv.ini

                        Filesize

                        40B

                        MD5

                        ba3b6bc807d4f76794c4b81b09bb9ba5

                        SHA1

                        24cb89501f0212ff3095ecc0aba97dd563718fb1

                        SHA256

                        6eebf968962745b2e9de2ca969af7c424916d4e3fe3cc0bb9b3d414abfce9507

                        SHA512

                        ecd07e601fc9e3cfc39addd7bd6f3d7f7ff3253afb40bf536e9eaac5a4c243e5ec40fbfd7b216cb0ea29f2517419601e335e33ba19dea4a46f65e38694d465bf

                      • memory/884-54-0x0000000074C81000-0x0000000074C83000-memory.dmp

                        Filesize

                        8KB

                      • memory/884-55-0x0000000073F00000-0x00000000744AB000-memory.dmp

                        Filesize

                        5.7MB

                      • memory/1336-71-0x00000000020D0000-0x0000000002163000-memory.dmp

                        Filesize

                        588KB

                      • memory/1336-66-0x0000000000000000-mapping.dmp

                      • memory/1336-70-0x0000000001DC0000-0x00000000020C3000-memory.dmp

                        Filesize

                        3.0MB

                      • memory/1336-69-0x0000000000080000-0x00000000000AA000-memory.dmp

                        Filesize

                        168KB

                      • memory/1336-68-0x0000000000500000-0x000000000050D000-memory.dmp

                        Filesize

                        52KB

                      • memory/1392-65-0x0000000004650000-0x000000000477F000-memory.dmp

                        Filesize

                        1.2MB

                      • memory/1392-72-0x00000000065D0000-0x00000000066DB000-memory.dmp

                        Filesize

                        1.0MB

                      • memory/1516-67-0x0000000000000000-mapping.dmp

                      • memory/1984-62-0x0000000000400000-0x000000000042A000-memory.dmp

                        Filesize

                        168KB

                      • memory/1984-64-0x0000000000210000-0x0000000000224000-memory.dmp

                        Filesize

                        80KB

                      • memory/1984-63-0x0000000000840000-0x0000000000B43000-memory.dmp

                        Filesize

                        3.0MB

                      • memory/1984-60-0x000000000041B610-mapping.dmp

                      • memory/1984-59-0x0000000000400000-0x000000000042A000-memory.dmp

                        Filesize

                        168KB

                      • memory/1984-57-0x0000000000400000-0x000000000042A000-memory.dmp

                        Filesize

                        168KB

                      • memory/1984-56-0x0000000000400000-0x000000000042A000-memory.dmp

                        Filesize

                        168KB