Analysis

  • max time kernel
    94s
  • max time network
    140s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    30-12-2024 00:05

General

  • Target

    737ab4dca7e6b31dd932b8f3d67013fbd91b8d5d5e6058957f46946d6d378cb2.dll

  • Size

    120KB

  • MD5

    1cf5ade975f33d292e8f70788fb26ee5

  • SHA1

    d19d15886679cbcac57892f7de19513823ba3003

  • SHA256

    737ab4dca7e6b31dd932b8f3d67013fbd91b8d5d5e6058957f46946d6d378cb2

  • SHA512

    c5912f86ca6d160d5603299f14013fca421a61cac520c1fc979e0b497de9c4cd8387592ed03eb2f1e61f9d48e45baba6a95f6440cda7d23d00d59772a3c375f5

  • SSDEEP

    1536:zqqfJej1q5C+tWjV38HDyS9Y51ONaJzR1ayDpsWedpdPWliHkODdTKRff:mo418CxiH8+Nax9vbODdm

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 6 IoCs
  • Sality

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

  • Sality family
  • UAC bypass 3 TTPs 2 IoCs
  • Windows security bypass 2 TTPs 12 IoCs
  • Executes dropped EXE 3 IoCs
  • Windows security modification 2 TTPs 14 IoCs
  • Checks whether UAC is enabled 1 TTPs 2 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 27 IoCs

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

  • Drops file in Windows directory 3 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 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs
  • System policy modification 1 TTPs 2 IoCs

Processes

  • C:\Windows\system32\fontdrvhost.exe
    "fontdrvhost.exe"
    1⤵
      PID:784
    • C:\Windows\system32\fontdrvhost.exe
      "fontdrvhost.exe"
      1⤵
        PID:788
      • C:\Windows\system32\dwm.exe
        "dwm.exe"
        1⤵
          PID:64
        • C:\Windows\system32\sihost.exe
          sihost.exe
          1⤵
            PID:2612
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
            1⤵
              PID:2628
            • C:\Windows\system32\taskhostw.exe
              taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
              1⤵
                PID:2768
              • C:\Windows\Explorer.EXE
                C:\Windows\Explorer.EXE
                1⤵
                  PID:3440
                  • C:\Windows\system32\rundll32.exe
                    rundll32.exe C:\Users\Admin\AppData\Local\Temp\737ab4dca7e6b31dd932b8f3d67013fbd91b8d5d5e6058957f46946d6d378cb2.dll,#1
                    2⤵
                    • Suspicious use of WriteProcessMemory
                    PID:5056
                    • C:\Windows\SysWOW64\rundll32.exe
                      rundll32.exe C:\Users\Admin\AppData\Local\Temp\737ab4dca7e6b31dd932b8f3d67013fbd91b8d5d5e6058957f46946d6d378cb2.dll,#1
                      3⤵
                      • System Location Discovery: System Language Discovery
                      • Suspicious use of WriteProcessMemory
                      PID:1276
                      • C:\Users\Admin\AppData\Local\Temp\e57b594.exe
                        C:\Users\Admin\AppData\Local\Temp\e57b594.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:4992
                      • C:\Users\Admin\AppData\Local\Temp\e57b779.exe
                        C:\Users\Admin\AppData\Local\Temp\e57b779.exe
                        4⤵
                        • Executes dropped EXE
                        • System Location Discovery: System Language Discovery
                        PID:464
                      • C:\Users\Admin\AppData\Local\Temp\e57e61a.exe
                        C:\Users\Admin\AppData\Local\Temp\e57e61a.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 WriteProcessMemory
                        • System policy modification
                        PID:5060
                • C:\Windows\system32\svchost.exe
                  C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                  1⤵
                    PID:3564
                  • C:\Windows\system32\DllHost.exe
                    C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                    1⤵
                      PID:3740
                    • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                      "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                      1⤵
                        PID:3832
                      • C:\Windows\System32\RuntimeBroker.exe
                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                        1⤵
                          PID:3896
                        • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                          "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                          1⤵
                            PID:3984
                          • C:\Windows\System32\RuntimeBroker.exe
                            C:\Windows\System32\RuntimeBroker.exe -Embedding
                            1⤵
                              PID:3992
                            • 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:1432
                              • C:\Windows\System32\RuntimeBroker.exe
                                C:\Windows\System32\RuntimeBroker.exe -Embedding
                                1⤵
                                  PID:3168
                                • C:\Windows\system32\backgroundTaskHost.exe
                                  "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
                                  1⤵
                                    PID:2648

                                  Network

                                  MITRE ATT&CK Enterprise v15

                                  Replay Monitor

                                  Loading Replay Monitor...

                                  Downloads

                                  • C:\Users\Admin\AppData\Local\Temp\e57b594.exe

                                    Filesize

                                    97KB

                                    MD5

                                    3f0ab17afe3baa25e4eb2fa204b97883

                                    SHA1

                                    8162cd63cb39d709fff10a2045499e3bd2b33370

                                    SHA256

                                    7b82d35ec54f1163bb97d73dbee5e29d75c2f48889df0bf66db9934b8afafc72

                                    SHA512

                                    d0751b62262453c692fc79288352eeb7429fa3ac50fb8a81748186bd8f4d716f47ed00cd5d95708afbc4a9d1471c5005183cc5de92f7e9d188e07a74121e6347

                                  • C:\Windows\SYSTEM.INI

                                    Filesize

                                    257B

                                    MD5

                                    9df527865f432251e509e50736140c8a

                                    SHA1

                                    8a68d02d50da79f956b7018ee1618a20c8e12539

                                    SHA256

                                    9f357ebec22937e2dad2552c341eae9fd7f98c64341c961c37a362899c09d564

                                    SHA512

                                    a2df2f79ff6ba2fcc30dae2d3421fb491cc17ce9098b4524d06ba5508af0db9570992f1372a8bf1b852d5fd801122b8953aa0565473ab2b3c6f1f912a7db96f5

                                  • memory/464-42-0x00000000001F0000-0x00000000001F1000-memory.dmp

                                    Filesize

                                    4KB

                                  • memory/464-94-0x0000000000400000-0x0000000000412000-memory.dmp

                                    Filesize

                                    72KB

                                  • memory/464-91-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/464-69-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/464-34-0x0000000000400000-0x0000000000412000-memory.dmp

                                    Filesize

                                    72KB

                                  • memory/464-43-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/464-44-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/1276-51-0x0000000000610000-0x0000000000612000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/1276-25-0x0000000000610000-0x0000000000612000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/1276-22-0x0000000000620000-0x0000000000621000-memory.dmp

                                    Filesize

                                    4KB

                                  • memory/1276-0-0x0000000010000000-0x0000000010020000-memory.dmp

                                    Filesize

                                    128KB

                                  • memory/1276-30-0x0000000000610000-0x0000000000612000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/1276-21-0x0000000000610000-0x0000000000612000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/4992-38-0x00000000008D0000-0x000000000198A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4992-6-0x00000000008D0000-0x000000000198A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4992-13-0x00000000008D0000-0x000000000198A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4992-29-0x00000000006B0000-0x00000000006B2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/4992-19-0x00000000008D0000-0x000000000198A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4992-35-0x00000000008D0000-0x000000000198A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4992-28-0x00000000008D0000-0x000000000198A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4992-36-0x00000000008D0000-0x000000000198A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4992-37-0x00000000008D0000-0x000000000198A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4992-31-0x00000000006B0000-0x00000000006B2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/4992-39-0x00000000008D0000-0x000000000198A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4992-20-0x00000000008D0000-0x000000000198A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4992-11-0x00000000008D0000-0x000000000198A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4992-12-0x00000000008D0000-0x000000000198A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4992-45-0x00000000008D0000-0x000000000198A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4992-46-0x00000000008D0000-0x000000000198A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4992-52-0x00000000006B0000-0x00000000006B2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/4992-24-0x00000000006C0000-0x00000000006C1000-memory.dmp

                                    Filesize

                                    4KB

                                  • memory/4992-58-0x00000000008D0000-0x000000000198A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4992-59-0x00000000008D0000-0x000000000198A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4992-60-0x00000000008D0000-0x000000000198A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4992-62-0x00000000008D0000-0x000000000198A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4992-63-0x00000000008D0000-0x000000000198A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4992-65-0x00000000008D0000-0x000000000198A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4992-68-0x00000000008D0000-0x000000000198A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4992-9-0x00000000008D0000-0x000000000198A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4992-72-0x00000000008D0000-0x000000000198A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4992-90-0x0000000000400000-0x0000000000412000-memory.dmp

                                    Filesize

                                    72KB

                                  • memory/4992-10-0x00000000008D0000-0x000000000198A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4992-8-0x00000000008D0000-0x000000000198A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4992-4-0x0000000000400000-0x0000000000412000-memory.dmp

                                    Filesize

                                    72KB

                                  • memory/5060-111-0x0000000000860000-0x000000000191A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/5060-147-0x0000000000400000-0x0000000000412000-memory.dmp

                                    Filesize

                                    72KB

                                  • memory/5060-148-0x0000000000860000-0x000000000191A000-memory.dmp

                                    Filesize

                                    16.7MB