Overview

overview

8

Static

static

3

c71e4e7e88...da.exe

windows7-x64

8

c71e4e7e88...da.exe

windows10-2004-x64

8

Analysis

  • max time kernel
    139s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    13-03-2024 23:28

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General

  • Target

    c71e4e7e88a658c637e6200746dec3da.exe

  • Size

    20KB

  • MD5

    c71e4e7e88a658c637e6200746dec3da

  • SHA1

    086b704065365d7e617ab09d39f72eceae48d02f

  • SHA256

    876ca2d3195a2bec847d41b0033115fbaab8c057d67596897db78eaed1297188

  • SHA512

    f40fa7a999df65760c5e88a585df52413b37e2c85fadc22b71ef7d1905ea7c7964912f93356886ad3b32154e017e8ccc2fcc2c87369bd9b09b1dff46069a39e1

  • SSDEEP

    384:4l8q7E2vDsnwe6qyGPHK7pgymJu7UzFI1PuwNC7GjIP51:4Wq7E2FnqZWgTr+Gw1cD

Score
8/10
persistence

Malware Config

Signatures

  • Sets file execution options in registry 2 TTPs 64 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 6 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies Internet Explorer settings 1 TTPs 20 IoCs
    adwarespyware
  • Runs net.exe
  • Suspicious behavior: EnumeratesProcesses 54 IoCs
  • Suspicious use of AdjustPrivilegeToken 14 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\c71e4e7e88a658c637e6200746dec3da.exe
    "C:\Users\Admin\AppData\Local\Temp\c71e4e7e88a658c637e6200746dec3da.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:680
    • C:\Windows\SysWOW64\cmd.exe
      cmd /c net stop McShield
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:5008
      • C:\Windows\SysWOW64\net.exe
        net stop McShield
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:1736
        • C:\Windows\SysWOW64\net1.exe
          C:\Windows\system32\net1 stop McShield
          4⤵
            PID:2012
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c net stop KWhatchsvc
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:3104
        • C:\Windows\SysWOW64\net.exe
          net stop KWhatchsvc
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:4772
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 stop KWhatchsvc
            4⤵
              PID:968
        • C:\Windows\SysWOW64\cmd.exe
          cmd /c net stop KPfwSvc
          2⤵
          • Suspicious use of WriteProcessMemory
          PID:1796
          • C:\Windows\SysWOW64\net.exe
            net stop KPfwSvc
            3⤵
            • Suspicious use of WriteProcessMemory
            PID:1592
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 stop KPfwSvc
              4⤵
                PID:1892
          • C:\Windows\SysWOW64\cmd.exe
            cmd /c net stop DefWatch
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:4628
            • C:\Windows\SysWOW64\net.exe
              net stop DefWatch
              3⤵
              • Suspicious use of WriteProcessMemory
              PID:4604
              • C:\Windows\SysWOW64\net1.exe
                C:\Windows\system32\net1 stop DefWatch
                4⤵
                  PID:4684
            • C:\Windows\SysWOW64\cmd.exe
              cmd /c net stop KWhatchsvc
              2⤵
              • Suspicious use of WriteProcessMemory
              PID:4848
              • C:\Windows\SysWOW64\net.exe
                net stop KWhatchsvc
                3⤵
                • Suspicious use of WriteProcessMemory
                PID:1276
                • C:\Windows\SysWOW64\net1.exe
                  C:\Windows\system32\net1 stop KWhatchsvc
                  4⤵
                    PID:2816
              • C:\Windows\SysWOW64\cmd.exe
                cmd /c net stop "McAfee McShield"
                2⤵
                • Suspicious use of WriteProcessMemory
                PID:2872
                • C:\Windows\SysWOW64\net.exe
                  net stop "McAfee McShield"
                  3⤵
                  • Suspicious use of WriteProcessMemory
                  PID:3036
                  • C:\Windows\SysWOW64\net1.exe
                    C:\Windows\system32\net1 stop "McAfee McShield"
                    4⤵
                      PID:4308
                • C:\Windows\SysWOW64\cmd.exe
                  cmd /c net stop DefWatch
                  2⤵
                  • Suspicious use of WriteProcessMemory
                  PID:3976
                  • C:\Windows\SysWOW64\net.exe
                    net stop DefWatch
                    3⤵
                    • Suspicious use of WriteProcessMemory
                    PID:4012
                    • C:\Windows\SysWOW64\net1.exe
                      C:\Windows\system32\net1 stop DefWatch
                      4⤵
                        PID:3532
                  • C:\Windows\SysWOW64\cmd.exe
                    cmd /c net stop "Symantec AntiVirus Client"
                    2⤵
                      PID:4532
                      • C:\Windows\SysWOW64\net.exe
                        net stop "Symantec AntiVirus Client"
                        3⤵
                          PID:4976
                          • C:\Windows\SysWOW64\net1.exe
                            C:\Windows\system32\net1 stop "Symantec AntiVirus Client"
                            4⤵
                              PID:1140
                        • C:\Windows\SysWOW64\cmd.exe
                          cmd /c net stop "Symantec AntiVirus"
                          2⤵
                            PID:1652
                            • C:\Windows\SysWOW64\net.exe
                              net stop "Symantec AntiVirus"
                              3⤵
                                PID:4796
                                • C:\Windows\SysWOW64\net1.exe
                                  C:\Windows\system32\net1 stop "Symantec AntiVirus"
                                  4⤵
                                    PID:4544
                              • C:\Windows\SysWOW64\cmd.exe
                                cmd /c net stop "Symantec AntiVirus Definition Watcher"
                                2⤵
                                  PID:924
                                  • C:\Windows\SysWOW64\net.exe
                                    net stop "Symantec AntiVirus Definition Watcher"
                                    3⤵
                                      PID:4924
                                      • C:\Windows\SysWOW64\net1.exe
                                        C:\Windows\system32\net1 stop "Symantec AntiVirus Definition Watcher"
                                        4⤵
                                          PID:1620
                                    • C:\Windows\SysWOW64\cmd.exe
                                      cmd /c net stop "McAfee Framework ·þÎñ"
                                      2⤵
                                        PID:4888
                                        • C:\Windows\SysWOW64\net.exe
                                          net stop "McAfee Framework ·þÎñ"
                                          3⤵
                                            PID:3152
                                            • C:\Windows\SysWOW64\net1.exe
                                              C:\Windows\system32\net1 stop "McAfee Framework ·þÎñ"
                                              4⤵
                                                PID:3888
                                          • C:\Windows\SysWOW64\cmd.exe
                                            cmd /c net stop "Norton AntiVirus Server"
                                            2⤵
                                              PID:3564
                                              • C:\Windows\SysWOW64\net.exe
                                                net stop "Norton AntiVirus Server"
                                                3⤵
                                                  PID:3896
                                                  • C:\Windows\SysWOW64\net1.exe
                                                    C:\Windows\system32\net1 stop "Norton AntiVirus Server"
                                                    4⤵
                                                      PID:452
                                                • C:\Windows\SysWOW64\cacls.exe
                                                  "C:\Windows\System32\cacls.exe" C:\Windows\system32\packet.dll /e /p everyone:f
                                                  2⤵
                                                    PID:936
                                                  • C:\Windows\SysWOW64\cacls.exe
                                                    "C:\Windows\System32\cacls.exe" C:\Windows\system32\pthreadVC.dll /e /p everyone:f
                                                    2⤵
                                                      PID:1876
                                                    • C:\Windows\SysWOW64\cacls.exe
                                                      "C:\Windows\System32\cacls.exe" C:\Windows\system32\wpcap.dll /e /p everyone:f
                                                      2⤵
                                                        PID:2648
                                                      • C:\Windows\SysWOW64\cacls.exe
                                                        "C:\Windows\System32\cacls.exe" C:\Windows\system32\drivers\npf.sys /e /p everyone:f
                                                        2⤵
                                                          PID:3524
                                                        • C:\Windows\SysWOW64\cacls.exe
                                                          "C:\Windows\System32\cacls.exe" C:\Windows\system32\npptools.dll /e /p everyone:f
                                                          2⤵
                                                            PID:644
                                                          • C:\Windows\SysWOW64\cacls.exe
                                                            "C:\Windows\System32\cacls.exe" C:\Windows\system32\drivers\acpidisk.sys /e /p everyone:f
                                                            2⤵
                                                              PID:3632
                                                            • C:\Windows\SysWOW64\cacls.exe
                                                              "C:\Windows\System32\cacls.exe" C:\Windows\system32\wanpacket.dll /e /p everyone:f
                                                              2⤵
                                                                PID:2740
                                                              • 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:4924
                                                                • 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:3300
                                                                  • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
                                                                    "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3300 CREDAT:17410 /prefetch:2
                                                                    3⤵
                                                                    • Modifies Internet Explorer settings
                                                                    • Suspicious use of SetWindowsHookEx
                                                                    PID:4492

                                                              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:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\6Y4OXOYV\suggestions[1].en-US
                                                                Filesize

                                                                17KB

                                                                MD5

                                                                5a34cb996293fde2cb7a4ac89587393a

                                                                SHA1

                                                                3c96c993500690d1a77873cd62bc639b3a10653f

                                                                SHA256

                                                                c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

                                                                SHA512

                                                                e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

                                                                Download Submit

                                                              • C:\Windows\SysWOW64\wauc1t.exe
                                                                Filesize

                                                                20KB

                                                                MD5

                                                                c71e4e7e88a658c637e6200746dec3da

                                                                SHA1

                                                                086b704065365d7e617ab09d39f72eceae48d02f

                                                                SHA256

                                                                876ca2d3195a2bec847d41b0033115fbaab8c057d67596897db78eaed1297188

                                                                SHA512

                                                                f40fa7a999df65760c5e88a585df52413b37e2c85fadc22b71ef7d1905ea7c7964912f93356886ad3b32154e017e8ccc2fcc2c87369bd9b09b1dff46069a39e1

                                                                Download Submit

                                                              • memory/680-0-0x0000000013140000-0x0000000013159000-memory.dmp

                                                                Filesize

                                                                100KB

                                                                Download

                                                              • memory/680-1-0x0000000000560000-0x0000000000561000-memory.dmp

                                                                Filesize

                                                                4KB

                                                                Download

                                                              • memory/680-9-0x0000000013140000-0x0000000013159000-memory.dmp

                                                                Filesize

                                                                100KB

                                                                Download

                                                              • memory/680-12-0x0000000000560000-0x0000000000561000-memory.dmp

                                                                Filesize

                                                                4KB

                                                                Download