Analysis

  • max time kernel
    119s
  • max time network
    124s
  • platform
    windows7_x64
  • resource
    win7-20240729-en
  • resource tags

    arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
  • submitted
    04-10-2024 19:47

General

  • Target

    3369bb973d5d1daae3906076e826ef7d3568bac3e1a46466057fce348eccad31N.exe

  • Size

    1.6MB

  • MD5

    607ee92a3b80545833c68f3a7616af40

  • SHA1

    3fa1395e28cc6b13ed988540d603016e1eb26e7d

  • SHA256

    3369bb973d5d1daae3906076e826ef7d3568bac3e1a46466057fce348eccad31

  • SHA512

    84ce39d4482a7fe5dd1ca71f05ecc7ef5c752bf3785be192ae229afd0688a94b36e95a1b89b274ced7599f74da1a942c95b4a473951cd37b81a235deb2792771

  • SSDEEP

    49152:4L7VbCRbECQozfZEbEUd/dRDFwdkRtNWxPN:M7VuRbEGEgUp56kncH

Malware Config

Extracted

Family

sality

C2

http://89.119.67.154/testo5/

http://kukutrustnet777.info/home.gif

http://kukutrustnet888.info/home.gif

http://kukutrustnet987.info/home.gif

http://www.klkjwre9fqwieluoi.info/

http://kukutrustnet777888.info/

Signatures

  • Modifies firewall policy service 3 TTPs 3 IoCs
  • Sality

    Sality is backdoor written in C++, first discovered in 2003.

  • UAC bypass 3 TTPs 1 IoCs
  • Windows security bypass 2 TTPs 6 IoCs
  • Possible privilege escalation attempt 4 IoCs
  • Checks BIOS information in registry 2 TTPs 2 IoCs

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

  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 2 IoCs
  • Modifies file permissions 1 TTPs 4 IoCs
  • Windows security modification 2 TTPs 7 IoCs
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Enumerates connected drives 3 TTPs 14 IoCs

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

  • UPX packed file 17 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

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

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

  • System Location Discovery: System Language Discovery 1 TTPs 20 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 28 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Windows\system32\taskhost.exe
    "taskhost.exe"
    1⤵
      PID:1116
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1164
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1236
          • C:\Users\Admin\AppData\Local\Temp\3369bb973d5d1daae3906076e826ef7d3568bac3e1a46466057fce348eccad31N.exe
            "C:\Users\Admin\AppData\Local\Temp\3369bb973d5d1daae3906076e826ef7d3568bac3e1a46466057fce348eccad31N.exe"
            2⤵
            • Modifies firewall policy service
            • UAC bypass
            • Windows security bypass
            • Loads dropped DLL
            • Windows security modification
            • Checks whether UAC is enabled
            • Enumerates connected drives
            • Drops file in Windows directory
            • System Location Discovery: System Language Discovery
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious use of WriteProcessMemory
            • System policy modification
            PID:2232
            • C:\Users\Admin\AppData\Local\Temp\7ZipSfx.000\EvoActivacion7.exe
              "C:\Users\Admin\AppData\Local\Temp\7ZipSfx.000\EvoActivacion7.exe"
              3⤵
              • Executes dropped EXE
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:2604
              • C:\Windows\SysWOW64\cmd.exe
                cmd /c ""C:\Users\Admin\AppData\Local\Temp\RarSFX0\Activar.cmd" "
                4⤵
                • Loads dropped DLL
                • System Location Discovery: System Language Discovery
                • Suspicious use of WriteProcessMemory
                PID:1884
                • C:\Users\Admin\AppData\Local\Temp\RarSFX0\7Loader.exe
                  7Loader.exe /silent /norestart /l=Default
                  5⤵
                  • Checks BIOS information in registry
                  • Executes dropped EXE
                  • System Location Discovery: System Language Discovery
                  • Suspicious behavior: EnumeratesProcesses
                  • Suspicious use of FindShellTrayWindow
                  • Suspicious use of WriteProcessMemory
                  PID:2880
                  • C:\Windows\SysWOW64\cmd.exe
                    cmd.exe /A /C "cmd.exe /c takeown /f C:\ldrscan\bootwin"
                    6⤵
                    • System Location Discovery: System Language Discovery
                    • Suspicious use of WriteProcessMemory
                    PID:2100
                    • C:\Windows\SysWOW64\cmd.exe
                      cmd.exe /c takeown /f C:\ldrscan\bootwin
                      7⤵
                      • System Location Discovery: System Language Discovery
                      • Suspicious use of WriteProcessMemory
                      PID:1424
                      • C:\Windows\SysWOW64\takeown.exe
                        takeown /f C:\ldrscan\bootwin
                        8⤵
                        • Possible privilege escalation attempt
                        • Modifies file permissions
                        • System Location Discovery: System Language Discovery
                        • Suspicious use of AdjustPrivilegeToken
                        PID:2196
                  • C:\Windows\SysWOW64\cmd.exe
                    cmd.exe /A /C "icacls C:\ldrscan\bootwin /grant *S-1-1-0:(F)"
                    6⤵
                    • System Location Discovery: System Language Discovery
                    • Suspicious use of WriteProcessMemory
                    PID:1924
                    • C:\Windows\SysWOW64\icacls.exe
                      icacls C:\ldrscan\bootwin /grant *S-1-1-0:(F)
                      7⤵
                      • Possible privilege escalation attempt
                      • Modifies file permissions
                      • System Location Discovery: System Language Discovery
                      PID:2768
                  • C:\Windows\SysWOW64\cmd.exe
                    cmd.exe /A /C "cmd.exe /c takeown /f C:\ldrscan\bootwin"
                    6⤵
                    • System Location Discovery: System Language Discovery
                    PID:1692
                    • C:\Windows\SysWOW64\cmd.exe
                      cmd.exe /c takeown /f C:\ldrscan\bootwin
                      7⤵
                      • System Location Discovery: System Language Discovery
                      PID:2176
                      • C:\Windows\SysWOW64\takeown.exe
                        takeown /f C:\ldrscan\bootwin
                        8⤵
                        • Possible privilege escalation attempt
                        • Modifies file permissions
                        • System Location Discovery: System Language Discovery
                        • Suspicious use of AdjustPrivilegeToken
                        PID:2528
                  • C:\Windows\SysWOW64\cmd.exe
                    cmd.exe /A /C "icacls C:\ldrscan\bootwin /grant *S-1-1-0:(F)"
                    6⤵
                    • System Location Discovery: System Language Discovery
                    PID:2964
                    • C:\Windows\SysWOW64\icacls.exe
                      icacls C:\ldrscan\bootwin /grant *S-1-1-0:(F)
                      7⤵
                      • Possible privilege escalation attempt
                      • Modifies file permissions
                      • System Location Discovery: System Language Discovery
                      PID:2388
                  • C:\Windows\system32\cmd.exe
                    cmd.exe /A /C "C:\Windows\System32\cscript.exe //nologo C:\Windows\System32\slmgr.vbs -ilc C:\Acer.XRM-MS"
                    6⤵
                      PID:2132
                      • C:\Windows\System32\cscript.exe
                        C:\Windows\System32\cscript.exe //nologo C:\Windows\System32\slmgr.vbs -ilc C:\Acer.XRM-MS
                        7⤵
                          PID:3048
                      • C:\Windows\system32\cmd.exe
                        cmd.exe /A /C "C:\Windows\System32\cscript.exe //nologo C:\Windows\System32\slmgr.vbs -ipk FJGCP-4DFJD-GJY49-VJBQ7-HYRR2"
                        6⤵
                          PID:2412
                          • C:\Windows\System32\cscript.exe
                            C:\Windows\System32\cscript.exe //nologo C:\Windows\System32\slmgr.vbs -ipk FJGCP-4DFJD-GJY49-VJBQ7-HYRR2
                            7⤵
                              PID:1608
                          • C:\Windows\SysWOW64\cmd.exe
                            cmd.exe /A /C "compact /u \\?\Volume{e4371563-4e0c-11ef-9324-806e6f6e6963}\IDNEZ"
                            6⤵
                            • System Location Discovery: System Language Discovery
                            PID:3016
                            • C:\Windows\SysWOW64\compact.exe
                              compact /u \\?\Volume{e4371563-4e0c-11ef-9324-806e6f6e6963}\IDNEZ
                              7⤵
                              • System Location Discovery: System Language Discovery
                              PID:1592
                          • C:\Windows\SysWOW64\cmd.exe
                            cmd.exe /A /C "compact /u \\?\Volume{e4371563-4e0c-11ef-9324-806e6f6e6963}\win7.ld"
                            6⤵
                            • System Location Discovery: System Language Discovery
                            PID:2660
                            • C:\Windows\SysWOW64\compact.exe
                              compact /u \\?\Volume{e4371563-4e0c-11ef-9324-806e6f6e6963}\win7.ld
                              7⤵
                              • System Location Discovery: System Language Discovery
                              PID:2668
                          • C:\Windows\SysWOW64\cmd.exe
                            cmd.exe /A /C "C:\bootsect.exe /nt60 SYS /force"
                            6⤵
                            • System Location Discovery: System Language Discovery
                            PID:2140
                            • C:\bootsect.exe
                              C:\bootsect.exe /nt60 SYS /force
                              7⤵
                              • Executes dropped EXE
                              • System Location Discovery: System Language Discovery
                              PID:3036
                • C:\Windows\system32\DllHost.exe
                  C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                  1⤵
                    PID:1516
                  • C:\Windows\system32\conhost.exe
                    \??\C:\Windows\system32\conhost.exe "-323740477-11744991171875798460231698741-412353875-807793364-6337253431538962007"
                    1⤵
                      PID:1132
                    • C:\Windows\system32\conhost.exe
                      \??\C:\Windows\system32\conhost.exe "-1960139821-517742370-6138820081379078031539656376-611659170987059073-1023113470"
                      1⤵
                        PID:640

                      Network

                      MITRE ATT&CK Enterprise v15

                      Replay Monitor

                      Loading Replay Monitor...

                      Downloads

                      • C:\Acer.XRM-MS

                        Filesize

                        2KB

                        MD5

                        f25832af6a684360950dbb15589de34a

                        SHA1

                        17ff1d21005c1695ae3dcbdc3435017c895fff5d

                        SHA256

                        266d64637cf12ff961165a018f549ff41002dc59380605b36d65cf1b8127c96f

                        SHA512

                        e0cf23351c02f4afa85eedc72a86b9114f539595cbd6bcd220e8b8d70fa6a7379dcd947ea0d59332ba672f36ebda6bd98892d9b6b20eedafc8be168387a3dd5f

                      • C:\Users\Admin\AppData\Local\Temp\RarSFX0\7Loader.exe

                        Filesize

                        2.9MB

                        MD5

                        935576e21ffaf90ef782fed90c3421ff

                        SHA1

                        6f75e0932cdb4ab98667684c6868932d571de4e9

                        SHA256

                        c496c0e03fcfcb126a92121cf431df6a8b77e15f5ba4cf7e230492f9d18ff470

                        SHA512

                        2fa5d341901519f1f8bc0cd0c2007871923c7e7e4ad73833e49db7557bfdec2fbcdecdd4a1789f4c99d140fcc0791a83981b70cd72747f41d39c6eaa03c4e3c3

                      • C:\Users\Admin\AppData\Local\Temp\RarSFX0\Activar.cmd

                        Filesize

                        397B

                        MD5

                        a2c3e139951719f09e483a37235f683f

                        SHA1

                        34590ad5c3e9e310491b9ac891071c58c5cf7622

                        SHA256

                        6135c3af068b400d2adef197ff7a8cf428e5f1ae7f5af6ed944333b6c124d89d

                        SHA512

                        c8414c08c8e60fe0dfff4750c921babc452febabb6d064eccd514c9f844931eec74cee2d85d487225522a554281dfd896273d10ee077442a4c43e4b5a44b54c5

                      • C:\Users\Admin\AppData\Local\Temp\RarSFX0\Arguments.txt

                        Filesize

                        1KB

                        MD5

                        39a7ffebae676a3aefa7ab87b2ad6dd0

                        SHA1

                        b3fef1ff6aee362b39eb9624555eb58c4b1e05ae

                        SHA256

                        dae98421de4695fbaf827f17b9991a56a5a2c5253ff6408f51aae9357f580a7b

                        SHA512

                        946fbbe34a817537368bf72e766f038705b261cad2d4a6e8f94f6dce6be24aac08dd9d4a858e6944342f2f760765bcb7817ae6dc77f6c277ae397a1be8424b4d

                      • C:\Users\Admin\AppData\Local\Temp\RarSFX0\Keys.ini

                        Filesize

                        8KB

                        MD5

                        f7490dae3d51646651fd17fdf644ec18

                        SHA1

                        3af9362e812fe8f057b32335a0f7025b4609b495

                        SHA256

                        daaeafa6c595477a799b3d0d623afdbf36a68be3772191b8b375b8da9ec06ba2

                        SHA512

                        67918e6bc0540b764289890e54d94a816f893aece4fe0377d8b87baeed4fa3b2ce6ac373e2b7f18dba31f6ebb987379afc0aeaa985518248b46fa7588ff3ecf2

                      • C:\bootsect.exe

                        Filesize

                        95KB

                        MD5

                        ca56a75b218a00f77e3b720714abdc36

                        SHA1

                        e6882d357dadf852aec5a7abd18f13e05bfe3adc

                        SHA256

                        51af2667f4113eca50f44149c0f79dfcea1f8b454feeb4b0dcb48b3c367cba85

                        SHA512

                        02a4f535dffa899051d58e1a0ace099a5d960f19facc31cebdaae9599498d5be5ff4e6103c622d7ba9f2db68e510fdb793c8f26017d113109aadbbd3b75ebf0d

                      • \??\Volume{e4371563-4e0c-11ef-9324-806e6f6e6963}\IDNEZ

                        Filesize

                        379KB

                        MD5

                        f2043418249cc86fca6cda5332876a9b

                        SHA1

                        7bc77bfeff2de57cf9d0ad27a4a43553303d39e6

                        SHA256

                        e31777c42c5b6e61d08713f0b26d6d5d2028940ce43ee1fdd5d83d503cc598c8

                        SHA512

                        8c893e29a6971aa3d8b60c58d8ca9e946714d3d95704398050d10816f862d882c88b68309b93cd5b6a7dca8aa46893aba2b73b56218009ac6e35755a1abbca1c

                      • \??\Volume{e4371563-4e0c-11ef-9324-806e6f6e6963}\win7.ld

                        Filesize

                        20B

                        MD5

                        9411ea6ebe5daff0f81deedee1c46a07

                        SHA1

                        0fab2f93a1b1ed1aadf54d5b6c3547a437c0d314

                        SHA256

                        92e0bfb203e147a6292dc5f1513cbc2d156a1cf96288c2a6db69fd2f8681b656

                        SHA512

                        a8024681d28d576665abbdc24a704f5b9160d87f1a82251b31ee058d2f5fc588bf3e521a5c362f182dc4c0e25d8a724db28548d7e92d2a718cdb270ba9cdf5d6

                      • \Users\Admin\AppData\Local\Temp\7ZipSfx.000\EvoActivacion7.exe

                        Filesize

                        1.3MB

                        MD5

                        01a9427df69a25ccbe085d9be14a2762

                        SHA1

                        52c2a67c6f23b0b050908a4456b0c5118a1914ce

                        SHA256

                        3f81b56dc4a051a1d408170400246a8769f84855909d2a60769dc36852356861

                        SHA512

                        18be26ecf333a3a40174504128870e9717b193a8bb6eacf86d6551a44991b4e646ce7005f7a38d5284d12f97e9218c12df406140a932d3f764c3e33feab4c5bb

                      • memory/1116-14-0x00000000001B0000-0x00000000001B2000-memory.dmp

                        Filesize

                        8KB

                      • memory/1884-196-0x0000000000AE0000-0x0000000000D03000-memory.dmp

                        Filesize

                        2.1MB

                      • memory/1884-60-0x0000000000AE0000-0x0000000000D03000-memory.dmp

                        Filesize

                        2.1MB

                      • memory/2232-29-0x00000000031A0000-0x00000000031A1000-memory.dmp

                        Filesize

                        4KB

                      • memory/2232-28-0x0000000001DB0000-0x0000000002E3E000-memory.dmp

                        Filesize

                        16.6MB

                      • memory/2232-24-0x00000000031A0000-0x00000000031A1000-memory.dmp

                        Filesize

                        4KB

                      • memory/2232-241-0x0000000001DB0000-0x0000000002E3E000-memory.dmp

                        Filesize

                        16.6MB

                      • memory/2232-10-0x0000000001DB0000-0x0000000002E3E000-memory.dmp

                        Filesize

                        16.6MB

                      • memory/2232-4-0x0000000001DB0000-0x0000000002E3E000-memory.dmp

                        Filesize

                        16.6MB

                      • memory/2232-7-0x0000000001DB0000-0x0000000002E3E000-memory.dmp

                        Filesize

                        16.6MB

                      • memory/2232-35-0x0000000001DB0000-0x0000000002E3E000-memory.dmp

                        Filesize

                        16.6MB

                      • memory/2232-240-0x0000000000400000-0x000000000044E000-memory.dmp

                        Filesize

                        312KB

                      • memory/2232-9-0x0000000001DB0000-0x0000000002E3E000-memory.dmp

                        Filesize

                        16.6MB

                      • memory/2232-23-0x0000000003190000-0x0000000003192000-memory.dmp

                        Filesize

                        8KB

                      • memory/2232-11-0x0000000001DB0000-0x0000000002E3E000-memory.dmp

                        Filesize

                        16.6MB

                      • memory/2232-0-0x0000000000400000-0x000000000044E000-memory.dmp

                        Filesize

                        312KB

                      • memory/2232-27-0x0000000001DB0000-0x0000000002E3E000-memory.dmp

                        Filesize

                        16.6MB

                      • memory/2232-8-0x0000000001DB0000-0x0000000002E3E000-memory.dmp

                        Filesize

                        16.6MB

                      • memory/2232-6-0x0000000001DB0000-0x0000000002E3E000-memory.dmp

                        Filesize

                        16.6MB

                      • memory/2232-5-0x0000000001DB0000-0x0000000002E3E000-memory.dmp

                        Filesize

                        16.6MB

                      • memory/2232-30-0x0000000003190000-0x0000000003192000-memory.dmp

                        Filesize

                        8KB

                      • memory/2232-3-0x0000000001DB0000-0x0000000002E3E000-memory.dmp

                        Filesize

                        16.6MB

                      • memory/2232-126-0x0000000001DB0000-0x0000000002E3E000-memory.dmp

                        Filesize

                        16.6MB

                      • memory/2232-133-0x0000000003190000-0x0000000003192000-memory.dmp

                        Filesize

                        8KB

                      • memory/2232-31-0x0000000003190000-0x0000000003192000-memory.dmp

                        Filesize

                        8KB

                      • memory/2880-62-0x0000000000640000-0x0000000000651000-memory.dmp

                        Filesize

                        68KB

                      • memory/2880-70-0x0000000000660000-0x0000000000670000-memory.dmp

                        Filesize

                        64KB

                      • memory/2880-197-0x0000000000400000-0x0000000000623000-memory.dmp

                        Filesize

                        2.1MB

                      • memory/2880-78-0x0000000010000000-0x0000000010021000-memory.dmp

                        Filesize

                        132KB

                      • memory/2880-86-0x0000000000670000-0x0000000000681000-memory.dmp

                        Filesize

                        68KB

                      • memory/2880-94-0x00000000006A0000-0x00000000006B0000-memory.dmp

                        Filesize

                        64KB

                      • memory/2880-61-0x0000000000400000-0x0000000000623000-memory.dmp

                        Filesize

                        2.1MB