Analysis

  • max time kernel
    93s
  • max time network
    94s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    16-12-2024 18:44

General

  • Target

    685e5c88aa71c9b4d2c3c3e548b68db11ac4e2abe28e538faf3bf0ee5c970ae7N.dll

  • Size

    120KB

  • MD5

    2b0d7c0e22a5b4ccca5c7803eb8958f0

  • SHA1

    9463fb495f19b5366a6c56ee372846fc79d694d1

  • SHA256

    685e5c88aa71c9b4d2c3c3e548b68db11ac4e2abe28e538faf3bf0ee5c970ae7

  • SHA512

    9c892076bc764de953befdc1cc885909f695369ee0fae4fbae30c35f92668311bdb2ddab5529014be91d18eb9e0e855b67c1556fb4004e916f52c390d6197c9b

  • SSDEEP

    1536:nhCYfYZlyBpfji4dVx8bCK6eKSsLaWLcThf+3+Ldk2nvRaRkRtEGzMKM8Uh:ncYvBp24dVx8u7eKX+IcNC2nxHQKlUh

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 29 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 63 IoCs
  • System policy modification 1 TTPs 2 IoCs

Processes

  • C:\Windows\system32\fontdrvhost.exe
    "fontdrvhost.exe"
    1⤵
      PID:780
    • C:\Windows\system32\fontdrvhost.exe
      "fontdrvhost.exe"
      1⤵
        PID:788
      • C:\Windows\system32\dwm.exe
        "dwm.exe"
        1⤵
          PID:60
        • C:\Windows\system32\svchost.exe
          C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
          1⤵
            PID:2880
          • C:\Windows\system32\sihost.exe
            sihost.exe
            1⤵
              PID:2888
            • C:\Windows\system32\taskhostw.exe
              taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
              1⤵
                PID:3008
              • C:\Windows\Explorer.EXE
                C:\Windows\Explorer.EXE
                1⤵
                  PID:3440
                  • C:\Windows\system32\rundll32.exe
                    rundll32.exe C:\Users\Admin\AppData\Local\Temp\685e5c88aa71c9b4d2c3c3e548b68db11ac4e2abe28e538faf3bf0ee5c970ae7N.dll,#1
                    2⤵
                    • Suspicious use of WriteProcessMemory
                    PID:2428
                    • C:\Windows\SysWOW64\rundll32.exe
                      rundll32.exe C:\Users\Admin\AppData\Local\Temp\685e5c88aa71c9b4d2c3c3e548b68db11ac4e2abe28e538faf3bf0ee5c970ae7N.dll,#1
                      3⤵
                      • System Location Discovery: System Language Discovery
                      • Suspicious use of WriteProcessMemory
                      PID:2216
                      • C:\Users\Admin\AppData\Local\Temp\e57a690.exe
                        C:\Users\Admin\AppData\Local\Temp\e57a690.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:3252
                      • C:\Users\Admin\AppData\Local\Temp\e57a7d9.exe
                        C:\Users\Admin\AppData\Local\Temp\e57a7d9.exe
                        4⤵
                        • Executes dropped EXE
                        • System Location Discovery: System Language Discovery
                        PID:5032
                      • C:\Users\Admin\AppData\Local\Temp\e57cfd3.exe
                        C:\Users\Admin\AppData\Local\Temp\e57cfd3.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:3652
                • C:\Windows\system32\svchost.exe
                  C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                  1⤵
                    PID:3568
                  • C:\Windows\system32\DllHost.exe
                    C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                    1⤵
                      PID:3752
                    • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                      "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                      1⤵
                        PID:3840
                      • C:\Windows\System32\RuntimeBroker.exe
                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                        1⤵
                          PID:3908
                        • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                          "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                          1⤵
                            PID:3992
                          • C:\Windows\System32\RuntimeBroker.exe
                            C:\Windows\System32\RuntimeBroker.exe -Embedding
                            1⤵
                              PID:4144
                            • 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:3372
                              • C:\Windows\System32\RuntimeBroker.exe
                                C:\Windows\System32\RuntimeBroker.exe -Embedding
                                1⤵
                                  PID:3424

                                Network

                                MITRE ATT&CK Enterprise v15

                                Replay Monitor

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                                Downloads

                                • C:\Users\Admin\AppData\Local\Temp\e57a690.exe

                                  Filesize

                                  97KB

                                  MD5

                                  9cfb9df33a9e0ee58e0b5ce47a2cd5ef

                                  SHA1

                                  1d47a3dda05939efae543453eeb0bbf10f16e7ae

                                  SHA256

                                  503aa5f7902d6d5097776f954b9a73c7f118effedff4e89a011605165af1406e

                                  SHA512

                                  34f1266d401c1964c9927fc31a5c46c97d92ccad6c43d75594a24d19b7e9ac50cafa3592033839cba46065232b26c4d4ef1242ea8e3ef6a45707d57aac16f16b

                                • C:\Windows\SYSTEM.INI

                                  Filesize

                                  257B

                                  MD5

                                  1570dae046360c6b4fc277e10cae235d

                                  SHA1

                                  c7713ffbca47e5b5f56e113c82d80bafb5bec311

                                  SHA256

                                  2ec4dd466cc9e926cffab0c5d8b6c6adbf833b828a4c4e9fddb7e99d83b64f5a

                                  SHA512

                                  73e4b2ab00c684a4a7a4a6964281cf349c08ca0429608b4bf8cfc1e7eefabf65fa098cba774d0dfbb02d69f572a5ad1b80e38965681217400d69d092adc683af

                                • memory/2216-0-0x0000000010000000-0x0000000010020000-memory.dmp

                                  Filesize

                                  128KB

                                • memory/2216-13-0x0000000003C20000-0x0000000003C22000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/2216-25-0x0000000003C20000-0x0000000003C22000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/2216-14-0x0000000003CB0000-0x0000000003CB1000-memory.dmp

                                  Filesize

                                  4KB

                                • memory/2216-32-0x0000000003C20000-0x0000000003C22000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/2216-48-0x0000000003C20000-0x0000000003C22000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/3252-40-0x00000000007D0000-0x000000000188A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3252-59-0x00000000004C0000-0x00000000004C2000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/3252-10-0x00000000007D0000-0x000000000188A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3252-11-0x00000000007D0000-0x000000000188A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3252-16-0x00000000006B0000-0x00000000006B1000-memory.dmp

                                  Filesize

                                  4KB

                                • memory/3252-8-0x00000000007D0000-0x000000000188A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3252-9-0x00000000007D0000-0x000000000188A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3252-28-0x00000000007D0000-0x000000000188A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3252-27-0x00000000007D0000-0x000000000188A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3252-22-0x00000000007D0000-0x000000000188A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3252-34-0x00000000004C0000-0x00000000004C2000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/3252-35-0x00000000007D0000-0x000000000188A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3252-29-0x00000000007D0000-0x000000000188A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3252-37-0x00000000007D0000-0x000000000188A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3252-36-0x00000000007D0000-0x000000000188A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3252-38-0x00000000007D0000-0x000000000188A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3252-4-0x0000000000400000-0x0000000000412000-memory.dmp

                                  Filesize

                                  72KB

                                • memory/3252-39-0x00000000007D0000-0x000000000188A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3252-23-0x00000000004C0000-0x00000000004C2000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/3252-91-0x0000000000400000-0x0000000000412000-memory.dmp

                                  Filesize

                                  72KB

                                • memory/3252-72-0x00000000007D0000-0x000000000188A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3252-70-0x00000000007D0000-0x000000000188A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3252-6-0x00000000007D0000-0x000000000188A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3252-67-0x00000000007D0000-0x000000000188A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3252-54-0x00000000007D0000-0x000000000188A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3252-55-0x00000000007D0000-0x000000000188A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3252-57-0x00000000007D0000-0x000000000188A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3252-58-0x00000000007D0000-0x000000000188A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3252-12-0x00000000007D0000-0x000000000188A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3252-61-0x00000000007D0000-0x000000000188A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3252-63-0x00000000007D0000-0x000000000188A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3252-66-0x00000000007D0000-0x000000000188A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3652-53-0x0000000000400000-0x0000000000412000-memory.dmp

                                  Filesize

                                  72KB

                                • memory/3652-128-0x0000000000850000-0x000000000190A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3652-130-0x0000000000550000-0x0000000000552000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/3652-153-0x0000000000400000-0x0000000000412000-memory.dmp

                                  Filesize

                                  72KB

                                • memory/3652-152-0x0000000000850000-0x000000000190A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3652-116-0x0000000000550000-0x0000000000552000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/3652-117-0x0000000000730000-0x0000000000731000-memory.dmp

                                  Filesize

                                  4KB

                                • memory/3652-107-0x0000000000850000-0x000000000190A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/5032-33-0x0000000000400000-0x0000000000412000-memory.dmp

                                  Filesize

                                  72KB

                                • memory/5032-95-0x0000000000400000-0x0000000000412000-memory.dmp

                                  Filesize

                                  72KB

                                • memory/5032-69-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/5032-47-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/5032-44-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/5032-43-0x0000000000530000-0x0000000000531000-memory.dmp

                                  Filesize

                                  4KB