Analysis

  • max time kernel
    94s
  • max time network
    95s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    18-12-2024 23:28

General

  • Target

    b4ca59b193590310ca0cc22fc5018436f0d2a11e4dac5062f08bc843b0d52051N.dll

  • Size

    120KB

  • MD5

    6822cd5469c25c382072458b053a95c0

  • SHA1

    374acaa4f173ccb2b9daad15bf14d61cc35680b8

  • SHA256

    b4ca59b193590310ca0cc22fc5018436f0d2a11e4dac5062f08bc843b0d52051

  • SHA512

    e26666bc769d4945b6ee7b924b189aca746ae8154badf5fe12e05d4834962b35f2ebfc6255e703e415a34d85fdffeac828e7da02ac6a5fdc5ce6b9c7edf7d954

  • SSDEEP

    1536:B3uvRxZMssQJDfxWjM7zmIcxufUv8OTaSCWsmhRFgBP9/st1Aev+bLAawYei:tuv3hMj8zmffvPTfsmXF0Rstj+Lx9ei

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 4 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 35 IoCs

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

  • Drops file in Program Files directory 4 IoCs
  • Drops file in Windows directory 3 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 5 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 54 IoCs
  • System policy modification 1 TTPs 2 IoCs

Processes

  • C:\Windows\system32\fontdrvhost.exe
    "fontdrvhost.exe"
    1⤵
      PID:796
    • C:\Windows\system32\fontdrvhost.exe
      "fontdrvhost.exe"
      1⤵
        PID:804
      • C:\Windows\system32\dwm.exe
        "dwm.exe"
        1⤵
          PID:384
        • C:\Windows\system32\sihost.exe
          sihost.exe
          1⤵
            PID:2556
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
            1⤵
              PID:2580
            • C:\Windows\system32\taskhostw.exe
              taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
              1⤵
                PID:2704
              • C:\Windows\Explorer.EXE
                C:\Windows\Explorer.EXE
                1⤵
                  PID:3568
                  • C:\Windows\system32\rundll32.exe
                    rundll32.exe C:\Users\Admin\AppData\Local\Temp\b4ca59b193590310ca0cc22fc5018436f0d2a11e4dac5062f08bc843b0d52051N.dll,#1
                    2⤵
                    • Suspicious use of WriteProcessMemory
                    PID:4588
                    • C:\Windows\SysWOW64\rundll32.exe
                      rundll32.exe C:\Users\Admin\AppData\Local\Temp\b4ca59b193590310ca0cc22fc5018436f0d2a11e4dac5062f08bc843b0d52051N.dll,#1
                      3⤵
                      • System Location Discovery: System Language Discovery
                      • Suspicious use of WriteProcessMemory
                      PID:3088
                      • C:\Users\Admin\AppData\Local\Temp\e57a1ae.exe
                        C:\Users\Admin\AppData\Local\Temp\e57a1ae.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 Program Files directory
                        • 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:4428
                      • C:\Users\Admin\AppData\Local\Temp\e57a306.exe
                        C:\Users\Admin\AppData\Local\Temp\e57a306.exe
                        4⤵
                        • Executes dropped EXE
                        • System Location Discovery: System Language Discovery
                        PID:2764
                      • C:\Users\Admin\AppData\Local\Temp\e57bd35.exe
                        C:\Users\Admin\AppData\Local\Temp\e57bd35.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
                        • System policy modification
                        PID:1692
                      • C:\Users\Admin\AppData\Local\Temp\e57bd45.exe
                        C:\Users\Admin\AppData\Local\Temp\e57bd45.exe
                        4⤵
                        • Executes dropped EXE
                        • System Location Discovery: System Language Discovery
                        PID:1968
                • C:\Windows\system32\svchost.exe
                  C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                  1⤵
                    PID:3748
                  • C:\Windows\system32\DllHost.exe
                    C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                    1⤵
                      PID:3936
                    • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                      "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                      1⤵
                        PID:4032
                      • C:\Windows\System32\RuntimeBroker.exe
                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                        1⤵
                          PID:2988
                        • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                          "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                          1⤵
                            PID:2848
                          • C:\Windows\System32\RuntimeBroker.exe
                            C:\Windows\System32\RuntimeBroker.exe -Embedding
                            1⤵
                              PID:4208
                            • 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:2468
                              • C:\Windows\System32\RuntimeBroker.exe
                                C:\Windows\System32\RuntimeBroker.exe -Embedding
                                1⤵
                                  PID:4816

                                Network

                                MITRE ATT&CK Enterprise v15

                                Replay Monitor

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                                Downloads

                                • C:\Users\Admin\AppData\Local\Temp\e57a1ae.exe

                                  Filesize

                                  97KB

                                  MD5

                                  bfe6b88dcfe5722f0c8e5694f460d062

                                  SHA1

                                  9a612665ff3724dce3abf895278dc9e3f866eb7c

                                  SHA256

                                  aee05ee9fde72ab8c0ca788e2ed681084df276451206aae602bbb88dae0b77d9

                                  SHA512

                                  c8ab2f3480d4357fc8ea4b4f6cbb56c3e4cd3a5ee2cd2dc7ece57eee47e4780edd579af06c51e2ce874abf673f62bce2ec18ef6d8268590ce328c3e5477fd69c

                                • C:\Windows\SYSTEM.INI

                                  Filesize

                                  257B

                                  MD5

                                  028490261268484a0ba7ed37fe318356

                                  SHA1

                                  87608b9b279e54d75034a912902da381f17ff4c8

                                  SHA256

                                  f065bb32912abe304c9421ee868e55940eaa5c28cf39c4f8c9b9a7abafb57a23

                                  SHA512

                                  d82606ca5bfb313e3d95891255b2dfdf9f0f3bc01a88a3d9a0402f5a321da96e5d61883a7c22992a3bbba56e42908362f5dbadfb4bbb550e17e5ab84644facd0

                                • memory/1692-65-0x00000000001F0000-0x00000000001F1000-memory.dmp

                                  Filesize

                                  4KB

                                • memory/1692-147-0x0000000000400000-0x0000000000412000-memory.dmp

                                  Filesize

                                  72KB

                                • memory/1692-152-0x0000000000B30000-0x0000000001BEA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/1692-54-0x0000000000400000-0x0000000000412000-memory.dmp

                                  Filesize

                                  72KB

                                • memory/1692-72-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/1692-143-0x0000000000B30000-0x0000000001BEA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/1692-69-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/1968-70-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/1968-151-0x0000000000400000-0x0000000000412000-memory.dmp

                                  Filesize

                                  72KB

                                • memory/1968-68-0x00000000001F0000-0x00000000001F1000-memory.dmp

                                  Filesize

                                  4KB

                                • memory/1968-73-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/1968-55-0x0000000000400000-0x0000000000412000-memory.dmp

                                  Filesize

                                  72KB

                                • memory/2764-71-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/2764-122-0x0000000000400000-0x0000000000412000-memory.dmp

                                  Filesize

                                  72KB

                                • memory/2764-63-0x00000000001F0000-0x00000000001F1000-memory.dmp

                                  Filesize

                                  4KB

                                • memory/2764-67-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/2764-33-0x0000000000400000-0x0000000000412000-memory.dmp

                                  Filesize

                                  72KB

                                • memory/3088-14-0x0000000003B40000-0x0000000003B42000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/3088-19-0x0000000003B40000-0x0000000003B42000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/3088-29-0x0000000003B40000-0x0000000003B42000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/3088-0-0x0000000010000000-0x0000000010020000-memory.dmp

                                  Filesize

                                  128KB

                                • memory/3088-15-0x0000000003BD0000-0x0000000003BD1000-memory.dmp

                                  Filesize

                                  4KB

                                • memory/4428-59-0x0000000000770000-0x000000000182A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4428-75-0x0000000000770000-0x000000000182A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4428-41-0x0000000000770000-0x000000000182A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4428-42-0x0000000000770000-0x000000000182A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4428-56-0x0000000001AB0000-0x0000000001AB2000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/4428-38-0x0000000000770000-0x000000000182A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4428-37-0x0000000000770000-0x000000000182A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4428-57-0x0000000000770000-0x000000000182A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4428-36-0x0000000000770000-0x000000000182A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4428-61-0x0000000000770000-0x000000000182A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4428-35-0x0000000000770000-0x000000000182A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4428-34-0x0000000000770000-0x000000000182A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4428-28-0x0000000000770000-0x000000000182A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4428-18-0x0000000000770000-0x000000000182A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4428-8-0x0000000000770000-0x000000000182A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4428-9-0x0000000000770000-0x000000000182A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4428-11-0x0000000000770000-0x000000000182A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4428-17-0x0000000001AC0000-0x0000000001AC1000-memory.dmp

                                  Filesize

                                  4KB

                                • memory/4428-74-0x0000000000770000-0x000000000182A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4428-39-0x0000000000770000-0x000000000182A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4428-12-0x0000000000770000-0x000000000182A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4428-79-0x0000000000770000-0x000000000182A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4428-80-0x0000000000770000-0x000000000182A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4428-83-0x0000000000770000-0x000000000182A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4428-84-0x0000000000770000-0x000000000182A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4428-86-0x0000000000770000-0x000000000182A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4428-88-0x0000000000770000-0x000000000182A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4428-90-0x0000000000770000-0x000000000182A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4428-89-0x0000000000770000-0x000000000182A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4428-97-0x0000000000770000-0x000000000182A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4428-98-0x0000000000770000-0x000000000182A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4428-108-0x0000000001AB0000-0x0000000001AB2000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/4428-118-0x0000000000400000-0x0000000000412000-memory.dmp

                                  Filesize

                                  72KB

                                • memory/4428-13-0x0000000000770000-0x000000000182A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4428-100-0x0000000000770000-0x000000000182A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4428-27-0x0000000001AB0000-0x0000000001AB2000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/4428-30-0x0000000001AB0000-0x0000000001AB2000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/4428-6-0x0000000000770000-0x000000000182A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4428-10-0x0000000000770000-0x000000000182A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4428-4-0x0000000000400000-0x0000000000412000-memory.dmp

                                  Filesize

                                  72KB