Analysis

  • max time kernel
    96s
  • max time network
    98s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19-12-2024 06:13

General

  • Target

    22a991f2e2fb398dafb6d65110ed20548b6f0641fc6037cc66667eb4ea883b19N.dll

  • Size

    120KB

  • MD5

    ee8dcda77249cac97b36dae129c26e20

  • SHA1

    8efd17aa0713e8dca79adce78cc196fc5996eaf0

  • SHA256

    22a991f2e2fb398dafb6d65110ed20548b6f0641fc6037cc66667eb4ea883b19

  • SHA512

    c6051b59c2196fae7d7cbb29c73b4e0da2769bb32c67e89fd74b244c9f263793c49d527c25efba912794500ef1b06fe1c11d081036fb066f2dc9269581d19fa9

  • SSDEEP

    3072:o/MyefCzRboe9ZATLpwlhw5baixEItFH:okJmZJfmLpQO

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 11 IoCs

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

  • UPX packed file 26 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:780
      • C:\Windows\system32\dwm.exe
        "dwm.exe"
        1⤵
          PID:388
        • C:\Windows\system32\sihost.exe
          sihost.exe
          1⤵
            PID:2528
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
            1⤵
              PID:2536
            • 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:2836
                  • C:\Windows\system32\rundll32.exe
                    rundll32.exe C:\Users\Admin\AppData\Local\Temp\22a991f2e2fb398dafb6d65110ed20548b6f0641fc6037cc66667eb4ea883b19N.dll,#1
                    2⤵
                    • Suspicious use of WriteProcessMemory
                    PID:4004
                    • C:\Windows\SysWOW64\rundll32.exe
                      rundll32.exe C:\Users\Admin\AppData\Local\Temp\22a991f2e2fb398dafb6d65110ed20548b6f0641fc6037cc66667eb4ea883b19N.dll,#1
                      3⤵
                      • System Location Discovery: System Language Discovery
                      • Suspicious use of WriteProcessMemory
                      PID:3760
                      • C:\Users\Admin\AppData\Local\Temp\e57928b.exe
                        C:\Users\Admin\AppData\Local\Temp\e57928b.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:4224
                      • C:\Users\Admin\AppData\Local\Temp\e5794be.exe
                        C:\Users\Admin\AppData\Local\Temp\e5794be.exe
                        4⤵
                        • Executes dropped EXE
                        • System Location Discovery: System Language Discovery
                        PID:2980
                      • C:\Users\Admin\AppData\Local\Temp\e57ba95.exe
                        C:\Users\Admin\AppData\Local\Temp\e57ba95.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:1880
                • 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:3856
                    • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                      "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                      1⤵
                        PID:3952
                      • C:\Windows\System32\RuntimeBroker.exe
                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                        1⤵
                          PID:4016
                        • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                          "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                          1⤵
                            PID:3192
                          • C:\Windows\System32\RuntimeBroker.exe
                            C:\Windows\System32\RuntimeBroker.exe -Embedding
                            1⤵
                              PID:3768
                            • 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:2648
                              • C:\Windows\System32\RuntimeBroker.exe
                                C:\Windows\System32\RuntimeBroker.exe -Embedding
                                1⤵
                                  PID:4680
                                • C:\Windows\system32\backgroundTaskHost.exe
                                  "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
                                  1⤵
                                    PID:432

                                  Network

                                  MITRE ATT&CK Enterprise v15

                                  Replay Monitor

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                                  Downloads

                                  • C:\Users\Admin\AppData\Local\Temp\e57928b.exe

                                    Filesize

                                    97KB

                                    MD5

                                    b94c1ec7cb67cf82312cfe7d4b585078

                                    SHA1

                                    727706ca9f130ba307967a8a6608c2f648439459

                                    SHA256

                                    7a8fb35da57fc6200b4e874c1d194f02f51af13801457797cdc3481b4495cd71

                                    SHA512

                                    a37885e55a97d9d7e50a4230a2bf2c60d60fa5270ecf154b8fc04b2d1e3f8e3619793fbfc5d017d35be04442f7bfc3698e9978295e85572de6db2c88b482c7d2

                                  • C:\Windows\SYSTEM.INI

                                    Filesize

                                    257B

                                    MD5

                                    b24b0e3a3bfa4dbd6c4cb21aaf5284f0

                                    SHA1

                                    06f43e91a4993cf32e3d3245cd609ffafa3ea990

                                    SHA256

                                    610c966ba9d4c9ee7952f52a04fcfcd0488a609083356194cc24587b6817aec8

                                    SHA512

                                    d46aaf3e2821895b1cc5b2ccb44f67f4f44f748978d5a8c8fa38e50288ba3548ea9f918c18560310988971bb4448b046a06b0915d8b7731178b6734ad8bb064c

                                  • memory/1880-56-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/1880-146-0x0000000000B50000-0x0000000001C0A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/1880-145-0x0000000000400000-0x0000000000412000-memory.dmp

                                    Filesize

                                    72KB

                                  • memory/1880-102-0x0000000000B50000-0x0000000001C0A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/1880-47-0x0000000000400000-0x0000000000412000-memory.dmp

                                    Filesize

                                    72KB

                                  • memory/1880-105-0x0000000000B50000-0x0000000001C0A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/1880-52-0x00000000001F0000-0x00000000001F1000-memory.dmp

                                    Filesize

                                    4KB

                                  • memory/2980-50-0x00000000001F0000-0x00000000001F1000-memory.dmp

                                    Filesize

                                    4KB

                                  • memory/2980-55-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/2980-95-0x0000000000400000-0x0000000000412000-memory.dmp

                                    Filesize

                                    72KB

                                  • memory/2980-53-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/3760-15-0x0000000003DC0000-0x0000000003DC1000-memory.dmp

                                    Filesize

                                    4KB

                                  • memory/3760-28-0x00000000037E0000-0x00000000037E2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/3760-18-0x00000000037E0000-0x00000000037E2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/3760-0-0x0000000010000000-0x0000000010020000-memory.dmp

                                    Filesize

                                    128KB

                                  • memory/3760-14-0x00000000037E0000-0x00000000037E2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/4224-36-0x0000000000790000-0x000000000184A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4224-58-0x0000000000790000-0x000000000184A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4224-35-0x0000000000790000-0x000000000184A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4224-34-0x0000000000790000-0x000000000184A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4224-10-0x0000000000790000-0x000000000184A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4224-37-0x0000000000790000-0x000000000184A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4224-39-0x0000000000790000-0x000000000184A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4224-9-0x0000000000790000-0x000000000184A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4224-38-0x0000000000790000-0x000000000184A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4224-11-0x0000000000790000-0x000000000184A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4224-13-0x0000000000790000-0x000000000184A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4224-32-0x0000000000790000-0x000000000184A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4224-30-0x0000000000790000-0x000000000184A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4224-57-0x0000000003520000-0x0000000003522000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/4224-26-0x0000000000790000-0x000000000184A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4224-17-0x0000000003E70000-0x0000000003E71000-memory.dmp

                                    Filesize

                                    4KB

                                  • memory/4224-59-0x0000000000790000-0x000000000184A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4224-60-0x0000000000790000-0x000000000184A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4224-67-0x0000000000790000-0x000000000184A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4224-68-0x0000000000790000-0x000000000184A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4224-70-0x0000000000790000-0x000000000184A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4224-72-0x0000000000790000-0x000000000184A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4224-91-0x0000000000400000-0x0000000000412000-memory.dmp

                                    Filesize

                                    72KB

                                  • memory/4224-27-0x0000000003520000-0x0000000003522000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/4224-29-0x0000000003520000-0x0000000003522000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/4224-12-0x0000000000790000-0x000000000184A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4224-6-0x0000000000790000-0x000000000184A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4224-7-0x0000000000790000-0x000000000184A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4224-5-0x0000000000400000-0x0000000000412000-memory.dmp

                                    Filesize

                                    72KB