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Overview

overview

8

Static

static

3

78fac0f3e4...a4.exe

windows7-x64

78fac0f3e4...a4.exe

windows10-2004-x64

8

Analysis

  • max time kernel
    138s
  • max time network
    140s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27/01/2024, 01:56

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General

  • Target

    78fac0f3e40205f9a0c3feffb3ca2aa4.exe

  • Size

    19KB

  • MD5

    78fac0f3e40205f9a0c3feffb3ca2aa4

  • SHA1

    d771e77e288a02c70b38743ef9adcca8f0373fac

  • SHA256

    47fb24091a825e28bb4385f507297c087a4fabfda6ad744562a724567cb9b866

  • SHA512

    5432d82f4b120b2c7c22789f383b120d68e88c367fedf84970ac237f38adafea3878fec281dff9e7c32f05a0606ccedcd6e2b56a0cb1bb16e487fad695099b5b

  • SSDEEP

    384:4t8s7q2vDsbM1gMfRK6a7c+ZborbguZKfUCY4rXtYlgZ:4es7q2wbM1gMPaZUgu4fhrXGgZ

Score
8/10
persistence

Malware Config

Signatures

  • Sets file execution options in registry 2 TTPs 60 IoCs
    persistence
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Enumerates connected drives 3 TTPs 21 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Drops autorun.inf file 1 TTPs 4 IoCs

    Malware can abuse Windows Autorun to spread further via attached volumes.

  • Drops file in System32 directory 4 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Modifies Internet Explorer settings 1 TTPs 15 IoCs
    adwarespyware
  • Runs net.exe
  • Suspicious behavior: EnumeratesProcesses 50 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 6 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\78fac0f3e40205f9a0c3feffb3ca2aa4.exe
    "C:\Users\Admin\AppData\Local\Temp\78fac0f3e40205f9a0c3feffb3ca2aa4.exe"
    1⤵
    • Sets file execution options in registry
    • Checks computer location settings
    • Enumerates connected drives
    • Drops autorun.inf file
    • Drops file in System32 directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3932
    • C:\Windows\SysWOW64\cmd.exe
      cmd /c net stop McShield
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4972
      • C:\Windows\SysWOW64\net.exe
        net stop McShield
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:4960
        • C:\Windows\SysWOW64\net1.exe
          C:\Windows\system32\net1 stop McShield
          4⤵
            PID:3248
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c net stop KWhatchsvc
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:4376
        • C:\Windows\SysWOW64\net.exe
          net stop KWhatchsvc
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:4240
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 stop KWhatchsvc
            4⤵
              PID:1032
        • C:\Windows\SysWOW64\cmd.exe
          cmd /c net stop KPfwSvc
          2⤵
          • Suspicious use of WriteProcessMemory
          PID:4140
          • C:\Windows\SysWOW64\net.exe
            net stop KPfwSvc
            3⤵
            • Suspicious use of WriteProcessMemory
            PID:4980
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 stop KPfwSvc
              4⤵
                PID:4364
          • C:\Windows\SysWOW64\cmd.exe
            cmd /c net stop DefWatch
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:3980
            • C:\Windows\SysWOW64\net.exe
              net stop DefWatch
              3⤵
              • Suspicious use of WriteProcessMemory
              PID:3304
              • C:\Windows\SysWOW64\net1.exe
                C:\Windows\system32\net1 stop DefWatch
                4⤵
                  PID:860
            • C:\Windows\SysWOW64\cmd.exe
              cmd /c net stop "Symantec AntiVirus Client"
              2⤵
              • Suspicious use of WriteProcessMemory
              PID:1564
              • C:\Windows\SysWOW64\net.exe
                net stop "Symantec AntiVirus Client"
                3⤵
                • Suspicious use of WriteProcessMemory
                PID:3880
                • C:\Windows\SysWOW64\net1.exe
                  C:\Windows\system32\net1 stop "Symantec AntiVirus Client"
                  4⤵
                    PID:3612
              • C:\Windows\SysWOW64\cmd.exe
                cmd /c net stop "Symantec AntiVirus"
                2⤵
                • Suspicious use of WriteProcessMemory
                PID:4984
                • C:\Windows\SysWOW64\net.exe
                  net stop "Symantec AntiVirus"
                  3⤵
                  • Suspicious use of WriteProcessMemory
                  PID:2900
                  • C:\Windows\SysWOW64\net1.exe
                    C:\Windows\system32\net1 stop "Symantec AntiVirus"
                    4⤵
                      PID:4472
                • C:\Windows\SysWOW64\cmd.exe
                  cmd /c net stop "Symantec AntiVirus Definition Watcher"
                  2⤵
                  • Suspicious use of WriteProcessMemory
                  PID:3856
                  • C:\Windows\SysWOW64\net.exe
                    net stop "Symantec AntiVirus Definition Watcher"
                    3⤵
                    • Suspicious use of WriteProcessMemory
                    PID:1172
                    • C:\Windows\SysWOW64\net1.exe
                      C:\Windows\system32\net1 stop "Symantec AntiVirus Definition Watcher"
                      4⤵
                        PID:1592
                  • C:\Windows\SysWOW64\cmd.exe
                    cmd /c net stop "McAfee Framework ·þÎñ"
                    2⤵
                      PID:816
                      • C:\Windows\SysWOW64\net.exe
                        net stop "McAfee Framework ·þÎñ"
                        3⤵
                          PID:1724
                          • C:\Windows\SysWOW64\net1.exe
                            C:\Windows\system32\net1 stop "McAfee Framework ·þÎñ"
                            4⤵
                              PID:4484
                        • C:\Windows\SysWOW64\cmd.exe
                          cmd /c net stop "Norton AntiVirus Server"
                          2⤵
                            PID:3152
                            • C:\Windows\SysWOW64\net.exe
                              net stop "Norton AntiVirus Server"
                              3⤵
                                PID:4244
                                • C:\Windows\SysWOW64\net1.exe
                                  C:\Windows\system32\net1 stop "Norton AntiVirus Server"
                                  4⤵
                                    PID:3844
                              • C:\Windows\SysWOW64\cacls.exe
                                "C:\Windows\System32\cacls.exe" C:\Windows\system32\packet.dll /e /p everyone:f
                                2⤵
                                  PID:2928
                                • C:\Windows\SysWOW64\cacls.exe
                                  "C:\Windows\System32\cacls.exe" C:\Windows\system32\pthreadVC.dll /e /p everyone:f
                                  2⤵
                                    PID:2292
                                  • C:\Windows\SysWOW64\cacls.exe
                                    "C:\Windows\System32\cacls.exe" C:\Windows\system32\wpcap.dll /e /p everyone:f
                                    2⤵
                                      PID:4376
                                    • C:\Windows\SysWOW64\cacls.exe
                                      "C:\Windows\System32\cacls.exe" C:\Windows\system32\drivers\npf.sys /e /p everyone:f
                                      2⤵
                                        PID:4844
                                      • C:\Windows\SysWOW64\cacls.exe
                                        "C:\Windows\System32\cacls.exe" C:\Windows\system32\npptools.dll /e /p everyone:f
                                        2⤵
                                          PID:2536
                                        • C:\Windows\SysWOW64\cacls.exe
                                          "C:\Windows\System32\cacls.exe" C:\Windows\system32\drivers\acpidisk.sys /e /p everyone:f
                                          2⤵
                                            PID:4728
                                          • C:\Windows\SysWOW64\cacls.exe
                                            "C:\Windows\System32\cacls.exe" C:\Windows\system32\wanpacket.dll /e /p everyone:f
                                            2⤵
                                              PID:4688
                                            • C:\Windows\SysWOW64\cacls.exe
                                              "C:\Windows\System32\cacls.exe" C:\Documents and Settings\All Users\¡¸¿ªÊ¼¡¹²Ëµ¥\³ÌÐò\Æô¶¯ /e /p everyone:f
                                              2⤵
                                                PID:2644
                                              • C:\Program Files\Internet Explorer\IEXPLORE.EXE
                                                "C:\Program Files\Internet Explorer\IEXPLORE.EXE"
                                                2⤵
                                                • Modifies Internet Explorer settings
                                                • Suspicious use of FindShellTrayWindow
                                                • Suspicious use of SetWindowsHookEx
                                                PID:2208
                                                • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
                                                  "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2208 CREDAT:17410 /prefetch:2
                                                  3⤵
                                                  • Modifies Internet Explorer settings
                                                  • Suspicious use of SetWindowsHookEx
                                                  PID:3184

                                            Network

                                            MITRE ATT&CK Enterprise v15

                                            Replay Monitor

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                                            Downloads

                                            • C:\AUTORUN.INF
                                              Filesize

                                              145B

                                              MD5

                                              43a741a56d6407be6c4190a29c26b39b

                                              SHA1

                                              fd4f5a3732fa9c9426428d8100812cd33ffb4e03

                                              SHA256

                                              a094953255a5f2815a96bfddf420056e42abead85111df8362adb1de83d81dc3

                                              SHA512

                                              5b75cb17a44f14eacf6ccc10fc455a4945872a152aecb5f1ea30b0bead88501e41711103d8f64e9a455ca02fe2281fc1771efc09fb025bd3d0884975c79fd5da

                                              Download Submit

                                            • C:\MSDOS.PIF
                                              Filesize

                                              19KB

                                              MD5

                                              78fac0f3e40205f9a0c3feffb3ca2aa4

                                              SHA1

                                              d771e77e288a02c70b38743ef9adcca8f0373fac

                                              SHA256

                                              47fb24091a825e28bb4385f507297c087a4fabfda6ad744562a724567cb9b866

                                              SHA512

                                              5432d82f4b120b2c7c22789f383b120d68e88c367fedf84970ac237f38adafea3878fec281dff9e7c32f05a0606ccedcd6e2b56a0cb1bb16e487fad695099b5b

                                              Download Submit

                                            • memory/3932-0-0x0000000013140000-0x0000000013158000-memory.dmp

                                              Filesize

                                              96KB

                                              Download

                                            • memory/3932-1-0x0000000002140000-0x0000000002240000-memory.dmp

                                              Filesize

                                              1024KB

                                              Download

                                            • memory/3932-8-0x0000000013140000-0x0000000013158000-memory.dmp

                                              Filesize

                                              96KB

                                              Download

                                            • memory/3932-11-0x0000000002140000-0x0000000002240000-memory.dmp

                                              Filesize

                                              1024KB

                                              Download