Analysis

  • max time kernel
    119s
  • max time network
    96s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    15-12-2024 23:16

General

  • Target

    a15f6a50d70c5acda09c39152e3d5f75b3126135ad9e3b6618a992ff5fbe373bN.exe

  • Size

    100KB

  • MD5

    ffc968c045e43d421ed068584443fea0

  • SHA1

    3d85a798ddc888fec0eac85d06bab719dbad8b62

  • SHA256

    a15f6a50d70c5acda09c39152e3d5f75b3126135ad9e3b6618a992ff5fbe373b

  • SHA512

    4b2b68d32dd0a82a5471749700f50c3b83bf9ff5c6d63e656663fe9dd2fa300fdcf2cf9c5f891d16b02b367763fd2de4b81df2ee18e09b6e7505e097f291547e

  • SSDEEP

    3072:FL7O9rkZqNKcKeNDw72UF4A/3gy0tCU05:FLsr46KcnS/FMyrU

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.

  • Sality family
  • UAC bypass 3 TTPs 1 IoCs
  • Windows security bypass 2 TTPs 6 IoCs
  • Disables RegEdit via registry modification 1 IoCs
  • Disables Task Manager via registry modification
  • Windows security modification 2 TTPs 7 IoCs
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • 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 2 IoCs

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

  • UPX packed file 37 IoCs

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

  • Drops file in Program Files directory 11 IoCs
  • 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 1 IoCs

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

  • Modifies registry class 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 24 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Windows\system32\fontdrvhost.exe
    "fontdrvhost.exe"
    1⤵
      PID:768
    • C:\Windows\system32\fontdrvhost.exe
      "fontdrvhost.exe"
      1⤵
        PID:776
      • C:\Windows\system32\dwm.exe
        "dwm.exe"
        1⤵
          PID:1020
        • C:\Windows\system32\svchost.exe
          C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
          1⤵
            PID:3064
          • C:\Windows\system32\sihost.exe
            sihost.exe
            1⤵
              PID:2156
            • C:\Windows\system32\taskhostw.exe
              taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
              1⤵
                PID:3100
              • C:\Windows\Explorer.EXE
                C:\Windows\Explorer.EXE
                1⤵
                  PID:3500
                  • C:\Users\Admin\AppData\Local\Temp\a15f6a50d70c5acda09c39152e3d5f75b3126135ad9e3b6618a992ff5fbe373bN.exe
                    "C:\Users\Admin\AppData\Local\Temp\a15f6a50d70c5acda09c39152e3d5f75b3126135ad9e3b6618a992ff5fbe373bN.exe"
                    2⤵
                    • Modifies firewall policy service
                    • UAC bypass
                    • Windows security bypass
                    • Disables RegEdit via registry modification
                    • Windows security modification
                    • Checks whether UAC is enabled
                    • Enumerates connected drives
                    • Drops autorun.inf file
                    • Drops file in Program Files directory
                    • Drops file in Windows directory
                    • System Location Discovery: System Language Discovery
                    • Modifies registry class
                    • Suspicious behavior: EnumeratesProcesses
                    • Suspicious use of AdjustPrivilegeToken
                    • Suspicious use of WriteProcessMemory
                    • System policy modification
                    PID:4036
                • C:\Windows\system32\svchost.exe
                  C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                  1⤵
                    PID:3636
                  • C:\Windows\system32\DllHost.exe
                    C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                    1⤵
                      PID:3808
                    • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                      "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                      1⤵
                        PID:3908
                      • C:\Windows\System32\RuntimeBroker.exe
                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                        1⤵
                          PID:4004
                        • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                          "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                          1⤵
                            PID:3364
                          • C:\Windows\System32\RuntimeBroker.exe
                            C:\Windows\System32\RuntimeBroker.exe -Embedding
                            1⤵
                              PID:4124
                            • C:\Windows\System32\RuntimeBroker.exe
                              C:\Windows\System32\RuntimeBroker.exe -Embedding
                              1⤵
                                PID:2288
                              • C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\InputApp\TextInputHost.exe
                                "C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\InputApp\TextInputHost.exe" -ServerName:InputApp.AppX9jnwykgrccxc8by3hsrsh07r423xzvav.mca
                                1⤵
                                  PID:3192

                                Network

                                MITRE ATT&CK Enterprise v15

                                Replay Monitor

                                Loading Replay Monitor...

                                Downloads

                                • C:\kpjhf.exe

                                  Filesize

                                  100KB

                                  MD5

                                  dab534801eb6c46130e805c040edb215

                                  SHA1

                                  6fe34c193d923aac7fb4e45a928f927248ea3ac9

                                  SHA256

                                  236b264b0607c181b51d3a95dba2f51418068f4cc1a57395177e4109b4b87f01

                                  SHA512

                                  d1d1a28e21825e226599dbf68ca3f73daa08aba37fcf9a8196b89ea4bdd32c2adc44f31599e75f229ff1421477805e8d9380a1f7809502fcfa70bbaccf33a629

                                • memory/4036-25-0x0000000000740000-0x0000000000742000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/4036-7-0x0000000002200000-0x000000000328E000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/4036-6-0x0000000002200000-0x000000000328E000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/4036-0-0x0000000000400000-0x0000000000413000-memory.dmp

                                  Filesize

                                  76KB

                                • memory/4036-8-0x0000000002200000-0x000000000328E000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/4036-13-0x0000000000740000-0x0000000000742000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/4036-14-0x0000000002200000-0x000000000328E000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/4036-11-0x0000000002200000-0x000000000328E000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/4036-12-0x0000000000740000-0x0000000000742000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/4036-10-0x0000000000750000-0x0000000000751000-memory.dmp

                                  Filesize

                                  4KB

                                • memory/4036-24-0x0000000002200000-0x000000000328E000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/4036-5-0x0000000002200000-0x000000000328E000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/4036-26-0x0000000002200000-0x000000000328E000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/4036-16-0x0000000002200000-0x000000000328E000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/4036-15-0x0000000002200000-0x000000000328E000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/4036-17-0x0000000002200000-0x000000000328E000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/4036-18-0x0000000002200000-0x000000000328E000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/4036-19-0x0000000002200000-0x000000000328E000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/4036-21-0x0000000002200000-0x000000000328E000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/4036-22-0x0000000002200000-0x000000000328E000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/4036-9-0x0000000000740000-0x0000000000742000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/4036-4-0x0000000002200000-0x000000000328E000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/4036-3-0x0000000002200000-0x000000000328E000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/4036-27-0x0000000002200000-0x000000000328E000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/4036-29-0x0000000002200000-0x000000000328E000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/4036-30-0x0000000002200000-0x000000000328E000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/4036-32-0x0000000002200000-0x000000000328E000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/4036-35-0x0000000002200000-0x000000000328E000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/4036-39-0x0000000002200000-0x000000000328E000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/4036-41-0x0000000002200000-0x000000000328E000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/4036-43-0x0000000002200000-0x000000000328E000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/4036-50-0x0000000002200000-0x000000000328E000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/4036-51-0x0000000002200000-0x000000000328E000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/4036-52-0x0000000002200000-0x000000000328E000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/4036-53-0x0000000002200000-0x000000000328E000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/4036-55-0x0000000002200000-0x000000000328E000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/4036-57-0x0000000002200000-0x000000000328E000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/4036-59-0x0000000002200000-0x000000000328E000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/4036-61-0x0000000002200000-0x000000000328E000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/4036-63-0x0000000002200000-0x000000000328E000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/4036-65-0x0000000002200000-0x000000000328E000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/4036-66-0x0000000002200000-0x000000000328E000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/4036-1-0x0000000002200000-0x000000000328E000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/4036-78-0x0000000000400000-0x0000000000413000-memory.dmp

                                  Filesize

                                  76KB