Analysis

  • max time kernel
    31s
  • 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
    17-12-2024 09:57

General

  • Target

    ca3520bb71238cd29971800742a2fdcf6f28b4b6ab2d1a197698c03c935f5f56.dll

  • Size

    120KB

  • MD5

    d6000b480c07a9743a193fe5abcfec48

  • SHA1

    8e1956f5e235b5b6853497980b61b25e1740ef9e

  • SHA256

    ca3520bb71238cd29971800742a2fdcf6f28b4b6ab2d1a197698c03c935f5f56

  • SHA512

    5e29d0cef0e589943cced5f8fd2a6550fb42950483c87761833fd6c259b38644d4bcd9c2075ded6edd4020afd295935d02663865b30f1647be396ab4c55d3c01

  • SSDEEP

    3072:WEG2BEWmETe8A76x77y7K89JFYQ26+tAcGnN:WEnEWmE68pXyW4JFC6+bGnN

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

Signatures

  • Modifies firewall policy service 3 TTPs 9 IoCs
  • Sality

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

  • Sality family
  • UAC bypass 3 TTPs 3 IoCs
  • Windows security bypass 2 TTPs 18 IoCs
  • Executes dropped EXE 3 IoCs
  • Windows security modification 2 TTPs 21 IoCs
  • Checks whether UAC is enabled 1 TTPs 3 IoCs
  • Enumerates connected drives 3 TTPs 13 IoCs

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

  • UPX packed file 29 IoCs

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

  • Drops file in Windows directory 4 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs
  • System policy modification 1 TTPs 3 IoCs

Processes

  • C:\Windows\system32\fontdrvhost.exe
    "fontdrvhost.exe"
    1⤵
      PID:780
    • C:\Windows\system32\fontdrvhost.exe
      "fontdrvhost.exe"
      1⤵
        PID:784
      • C:\Windows\system32\dwm.exe
        "dwm.exe"
        1⤵
          PID:60
        • C:\Windows\system32\sihost.exe
          sihost.exe
          1⤵
            PID:2540
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
            1⤵
              PID:2548
            • C:\Windows\system32\taskhostw.exe
              taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
              1⤵
                PID:2652
              • C:\Windows\Explorer.EXE
                C:\Windows\Explorer.EXE
                1⤵
                  PID:3544
                  • C:\Windows\system32\rundll32.exe
                    rundll32.exe C:\Users\Admin\AppData\Local\Temp\ca3520bb71238cd29971800742a2fdcf6f28b4b6ab2d1a197698c03c935f5f56.dll,#1
                    2⤵
                    • Suspicious use of WriteProcessMemory
                    PID:1136
                    • C:\Windows\SysWOW64\rundll32.exe
                      rundll32.exe C:\Users\Admin\AppData\Local\Temp\ca3520bb71238cd29971800742a2fdcf6f28b4b6ab2d1a197698c03c935f5f56.dll,#1
                      3⤵
                      • System Location Discovery: System Language Discovery
                      • Suspicious use of WriteProcessMemory
                      PID:5100
                      • C:\Users\Admin\AppData\Local\Temp\e578b48.exe
                        C:\Users\Admin\AppData\Local\Temp\e578b48.exe
                        4⤵
                        • Modifies firewall policy service
                        • UAC bypass
                        • Windows security bypass
                        • Executes dropped EXE
                        • 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:4356
                      • C:\Users\Admin\AppData\Local\Temp\e578d9a.exe
                        C:\Users\Admin\AppData\Local\Temp\e578d9a.exe
                        4⤵
                        • Modifies firewall policy service
                        • UAC bypass
                        • Windows security bypass
                        • Executes dropped EXE
                        • Windows security modification
                        • Checks whether UAC is enabled
                        • Drops file in Windows directory
                        • System Location Discovery: System Language Discovery
                        • Suspicious behavior: EnumeratesProcesses
                        • Suspicious use of WriteProcessMemory
                        • System policy modification
                        PID:4596
                      • C:\Users\Admin\AppData\Local\Temp\e57b9bb.exe
                        C:\Users\Admin\AppData\Local\Temp\e57b9bb.exe
                        4⤵
                        • Modifies firewall policy service
                        • UAC bypass
                        • Windows security bypass
                        • Executes dropped EXE
                        • 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
                        • System policy modification
                        PID:2484
                • C:\Windows\system32\svchost.exe
                  C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                  1⤵
                    PID:3656
                  • C:\Windows\system32\DllHost.exe
                    C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                    1⤵
                      PID:3840
                    • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                      "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                      1⤵
                        PID:3936
                      • C:\Windows\System32\RuntimeBroker.exe
                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                        1⤵
                          PID:4000
                        • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                          "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                          1⤵
                            PID:1064
                          • C:\Windows\System32\RuntimeBroker.exe
                            C:\Windows\System32\RuntimeBroker.exe -Embedding
                            1⤵
                              PID:4056
                            • 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:1604
                              • C:\Windows\System32\RuntimeBroker.exe
                                C:\Windows\System32\RuntimeBroker.exe -Embedding
                                1⤵
                                  PID:2808
                                • C:\Windows\system32\backgroundTaskHost.exe
                                  "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
                                  1⤵
                                    PID:2660

                                  Network

                                  MITRE ATT&CK Enterprise v15

                                  Replay Monitor

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                                  Downloads

                                  • C:\Users\Admin\AppData\Local\Temp\e578b48.exe

                                    Filesize

                                    97KB

                                    MD5

                                    fafd8165729d676bada3bf706b55fca9

                                    SHA1

                                    7913da2b33b60c1ac750bc598338b48e6112bc98

                                    SHA256

                                    a21f258699deb9f7097eb02896583f7e377cdefdd09fd8ec04c9f98f237a566a

                                    SHA512

                                    4b47a2295a97aa376e30a1124bb5c24485a4391cbc6685b8408ed8fa5e6b3e02a57032c3fb98d63be8815715260355a9337573c00e2f1aba147c954e8a756148

                                  • C:\Windows\SYSTEM.INI

                                    Filesize

                                    256B

                                    MD5

                                    75142edea42fbf8bcf459e11c56d81df

                                    SHA1

                                    0645f07e2cde5c5bee6779a1f1ad9211fbbad520

                                    SHA256

                                    277c705bfe1de39d8ac8795b338d54a64feb802477eb72caf1799c6e3b8efc3e

                                    SHA512

                                    b3e909c36b3290b66d95635ce7b3603ffb65d2947763b85d3cc48b5a30b1bddf81e1ed61f2a5a5c101449e1b0bfa286234bf9e8f313332cd300a34f015030b01

                                  • memory/2484-53-0x0000000000400000-0x0000000000412000-memory.dmp

                                    Filesize

                                    72KB

                                  • memory/2484-173-0x0000000000400000-0x0000000000412000-memory.dmp

                                    Filesize

                                    72KB

                                  • memory/2484-151-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/2484-122-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/2484-123-0x00000000001F0000-0x00000000001F1000-memory.dmp

                                    Filesize

                                    4KB

                                  • memory/4356-65-0x0000000000780000-0x000000000183A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4356-58-0x0000000000780000-0x000000000183A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4356-4-0x0000000000400000-0x0000000000412000-memory.dmp

                                    Filesize

                                    72KB

                                  • memory/4356-24-0x0000000001B00000-0x0000000001B01000-memory.dmp

                                    Filesize

                                    4KB

                                  • memory/4356-6-0x0000000000780000-0x000000000183A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4356-17-0x0000000000780000-0x000000000183A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4356-18-0x0000000000780000-0x000000000183A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4356-20-0x0000000000780000-0x000000000183A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4356-31-0x0000000001AF0000-0x0000000001AF2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/4356-27-0x0000000000780000-0x000000000183A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4356-32-0x0000000000780000-0x000000000183A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4356-19-0x0000000000780000-0x000000000183A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4356-11-0x0000000000780000-0x000000000183A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4356-29-0x0000000001AF0000-0x0000000001AF2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/4356-35-0x0000000000780000-0x000000000183A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4356-36-0x0000000000780000-0x000000000183A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4356-37-0x0000000000780000-0x000000000183A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4356-38-0x0000000000780000-0x000000000183A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4356-39-0x0000000000780000-0x000000000183A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4356-89-0x0000000000400000-0x0000000000412000-memory.dmp

                                    Filesize

                                    72KB

                                  • memory/4356-71-0x0000000000780000-0x000000000183A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4356-67-0x0000000000780000-0x000000000183A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4356-45-0x0000000000780000-0x000000000183A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4356-10-0x0000000000780000-0x000000000183A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4356-54-0x0000000001AF0000-0x0000000001AF2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/4356-8-0x0000000000780000-0x000000000183A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4356-55-0x0000000000780000-0x000000000183A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4356-57-0x0000000000780000-0x000000000183A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4356-9-0x0000000000780000-0x000000000183A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4356-59-0x0000000000780000-0x000000000183A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4356-61-0x0000000000780000-0x000000000183A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4356-62-0x0000000000780000-0x000000000183A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4596-121-0x0000000000400000-0x0000000000412000-memory.dmp

                                    Filesize

                                    72KB

                                  • memory/4596-43-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/4596-68-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/4596-44-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/4596-42-0x00000000001F0000-0x00000000001F1000-memory.dmp

                                    Filesize

                                    4KB

                                  • memory/4596-90-0x0000000000B40000-0x0000000001BFA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4596-92-0x0000000000B40000-0x0000000001BFA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4596-149-0x0000000000B40000-0x0000000001BFA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/5100-30-0x0000000000CE0000-0x0000000000CE2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/5100-0-0x0000000010000000-0x0000000010020000-memory.dmp

                                    Filesize

                                    128KB

                                  • memory/5100-49-0x0000000000CE0000-0x0000000000CE2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/5100-21-0x0000000000CE0000-0x0000000000CE2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/5100-22-0x0000000003DE0000-0x0000000003DE1000-memory.dmp

                                    Filesize

                                    4KB

                                  • memory/5100-25-0x0000000000CE0000-0x0000000000CE2000-memory.dmp

                                    Filesize

                                    8KB