Analysis

  • max time kernel
    24s
  • max time network
    93s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29-12-2024 06:25

General

  • Target

    fb9999fc1c6210ef254ab429d9d784e2f8d11c17c137a9070d7376230344efdb.exe

  • Size

    732KB

  • MD5

    dd5a9505a1c9153669b3c9e2462bcc0c

  • SHA1

    73340eb5d3961d4cfacdd8f3475017ebb337abf7

  • SHA256

    fb9999fc1c6210ef254ab429d9d784e2f8d11c17c137a9070d7376230344efdb

  • SHA512

    4c18a28fa1fb18e2c7dd11c3af49e42eae31f7a70b183cf33640780851754700dd0a80d077946ecb43a1dda16437baee320cc5f6550f7fdb7d3c81ac76552d79

  • SSDEEP

    12288:xTyjXW+48qWywrU4kGFezOAVuJ5PIfww7F5DO3HYffVhp5G:1IXW/8yw1ez54lIjF5SXYHVhHG

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

http://www.klkjwre9fqwieluoi.info/

http://kukutrustnet777888.info/

Signatures

  • Modifies firewall policy service 3 TTPs 6 IoCs
  • Modifies visibility of file extensions in Explorer 2 TTPs 1 IoCs
  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 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
  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Windows security modification 2 TTPs 14 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Checks whether UAC is enabled 1 TTPs 2 IoCs
  • Enumerates connected drives 3 TTPs 23 IoCs

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

  • UPX packed file 40 IoCs

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

  • Drops file in Windows directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 2 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 SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 48 IoCs
  • System policy modification 1 TTPs 2 IoCs

Processes

  • C:\Windows\system32\fontdrvhost.exe
    "fontdrvhost.exe"
    1⤵
      PID:776
    • C:\Windows\system32\fontdrvhost.exe
      "fontdrvhost.exe"
      1⤵
        PID:780
      • C:\Windows\system32\dwm.exe
        "dwm.exe"
        1⤵
          PID:64
        • C:\Windows\system32\sihost.exe
          sihost.exe
          1⤵
            PID:3016
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
            1⤵
              PID:3036
            • C:\Windows\system32\taskhostw.exe
              taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
              1⤵
                PID:2700
              • C:\Windows\Explorer.EXE
                C:\Windows\Explorer.EXE
                1⤵
                  PID:3436
                  • C:\Users\Admin\AppData\Local\Temp\fb9999fc1c6210ef254ab429d9d784e2f8d11c17c137a9070d7376230344efdb.exe
                    "C:\Users\Admin\AppData\Local\Temp\fb9999fc1c6210ef254ab429d9d784e2f8d11c17c137a9070d7376230344efdb.exe"
                    2⤵
                    • Modifies firewall policy service
                    • Modifies visibility of file extensions in Explorer
                    • Modifies visiblity of hidden/system files in Explorer
                    • UAC bypass
                    • Windows security bypass
                    • Windows security modification
                    • Adds Run key to start application
                    • Checks whether UAC is enabled
                    • Drops file in Windows directory
                    • System Location Discovery: System Language Discovery
                    • Suspicious behavior: EnumeratesProcesses
                    • Suspicious use of AdjustPrivilegeToken
                    • Suspicious use of SetWindowsHookEx
                    • Suspicious use of WriteProcessMemory
                    • System policy modification
                    PID:1776
                    • C:\Users\Admin\AppData\Roaming\Microsoft\Office\rundll32.exe
                      C:\Users\Admin\AppData\Roaming\Microsoft\Office\rundll32.exe
                      3⤵
                      • Modifies firewall policy service
                      • Modifies visiblity of hidden/system files in Explorer
                      • UAC bypass
                      • Windows security bypass
                      • Deletes itself
                      • Executes dropped EXE
                      • Windows security modification
                      • Checks whether UAC is enabled
                      • Enumerates connected drives
                      • System Location Discovery: System Language Discovery
                      • Suspicious behavior: EnumeratesProcesses
                      • Suspicious use of SetWindowsHookEx
                      • Suspicious use of WriteProcessMemory
                      • System policy modification
                      PID:3608
                • C:\Windows\system32\svchost.exe
                  C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                  1⤵
                    PID:3540
                  • 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:3888
                      • C:\Windows\System32\RuntimeBroker.exe
                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                        1⤵
                          PID:3952
                        • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                          "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                          1⤵
                            PID:4044
                          • C:\Windows\System32\RuntimeBroker.exe
                            C:\Windows\System32\RuntimeBroker.exe -Embedding
                            1⤵
                              PID:4128
                            • C:\Windows\System32\RuntimeBroker.exe
                              C:\Windows\System32\RuntimeBroker.exe -Embedding
                              1⤵
                                PID:2012
                              • 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:1564

                                Network

                                MITRE ATT&CK Enterprise v15

                                Replay Monitor

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                                Downloads

                                • C:\Users\Admin\AppData\Local\Temp\0E576AFE_Rar\rundll32.exe

                                  Filesize

                                  664KB

                                  MD5

                                  8ca8216260b4f5e0d6e1132e49d1d25a

                                  SHA1

                                  c7ce0406001fb3eaaf82c5ad33945f01f0dddc11

                                  SHA256

                                  ddc806307ec3d800851db6c617343cad0a5e9af8dafe867b6dc2f33dd528cf64

                                  SHA512

                                  0644472c924acb7ae9c8f4b3222e5b2d3a95a9346587a104e437ab0d0c832b05fd153d7450e6d5f5f7d685be9b222712c2c6d869c05acd7efc89f63e83e29a33

                                • C:\Users\Admin\AppData\Roaming\Microsoft\Office\rundll32.exe

                                  Filesize

                                  732KB

                                  MD5

                                  dd5a9505a1c9153669b3c9e2462bcc0c

                                  SHA1

                                  73340eb5d3961d4cfacdd8f3475017ebb337abf7

                                  SHA256

                                  fb9999fc1c6210ef254ab429d9d784e2f8d11c17c137a9070d7376230344efdb

                                  SHA512

                                  4c18a28fa1fb18e2c7dd11c3af49e42eae31f7a70b183cf33640780851754700dd0a80d077946ecb43a1dda16437baee320cc5f6550f7fdb7d3c81ac76552d79

                                • C:\Windows\SYSTEM.INI

                                  Filesize

                                  257B

                                  MD5

                                  0afd449795086196c14944e29141b52d

                                  SHA1

                                  2101d8008c948d949857cb81da1b9def274a46ae

                                  SHA256

                                  adfeff78fe890937f92c176fe5782c8e6a27aa9b0974c89d933cf72db9e48f4b

                                  SHA512

                                  693fd7ef04620351de6c815722a3d72a7b17cf21614a83ec7aac5e8a4d8186a7bcbf0f19adec8c5b8ad454f7627bd2aae9b01e377ca144f575d25b74760d077f

                                • C:\bjyltv.pif

                                  Filesize

                                  100KB

                                  MD5

                                  2218df8c262da0fb1a29c2cdd1869d21

                                  SHA1

                                  285f4a7415cc32a74bf2103df113dbcee2a05943

                                  SHA256

                                  7ad47cd6527dd0bc4f8dd5c2e6d80bf516e73bbd4463192c6e0308adb0c5de01

                                  SHA512

                                  15464d216734b34955fa9f6e73675b135fdfed014c499c7af784d26d3bdc6039c479db8f550d3effd54fb3b4e30c288ff962e6d96adefed9d8c5bbc26756c2bc

                                • memory/1776-0-0x0000000000400000-0x00000000004BF000-memory.dmp

                                  Filesize

                                  764KB

                                • memory/1776-3-0x0000000003340000-0x00000000043CE000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/1776-6-0x0000000003340000-0x00000000043CE000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/1776-12-0x0000000003340000-0x00000000043CE000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/1776-14-0x0000000003340000-0x00000000043CE000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/1776-9-0x0000000003340000-0x00000000043CE000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/1776-17-0x00000000009F0000-0x00000000009F2000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/1776-8-0x0000000003340000-0x00000000043CE000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/1776-13-0x00000000009F0000-0x00000000009F2000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/1776-7-0x0000000003340000-0x00000000043CE000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/1776-5-0x0000000003340000-0x00000000043CE000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/1776-11-0x0000000000A00000-0x0000000000A01000-memory.dmp

                                  Filesize

                                  4KB

                                • memory/1776-10-0x00000000009F0000-0x00000000009F2000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/1776-4-0x0000000003340000-0x00000000043CE000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/1776-1-0x0000000003340000-0x00000000043CE000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/1776-19-0x0000000003340000-0x00000000043CE000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/1776-20-0x0000000003340000-0x00000000043CE000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/1776-23-0x0000000003340000-0x00000000043CE000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/1776-27-0x0000000003340000-0x00000000043CE000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/1776-41-0x0000000000400000-0x00000000004BF000-memory.dmp

                                  Filesize

                                  764KB

                                • memory/3608-49-0x0000000004F40000-0x0000000005FCE000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/3608-45-0x0000000004F40000-0x0000000005FCE000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/3608-51-0x0000000004F40000-0x0000000005FCE000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/3608-48-0x0000000004F40000-0x0000000005FCE000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/3608-58-0x0000000000A60000-0x0000000000A62000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/3608-59-0x0000000000A60000-0x0000000000A62000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/3608-56-0x0000000004F40000-0x0000000005FCE000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/3608-52-0x0000000004F40000-0x0000000005FCE000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/3608-57-0x0000000004F40000-0x0000000005FCE000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/3608-55-0x0000000004F40000-0x0000000005FCE000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/3608-47-0x0000000004F40000-0x0000000005FCE000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/3608-50-0x0000000004F40000-0x0000000005FCE000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/3608-54-0x0000000000A70000-0x0000000000A71000-memory.dmp

                                  Filesize

                                  4KB

                                • memory/3608-63-0x0000000004F40000-0x0000000005FCE000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/3608-64-0x0000000004F40000-0x0000000005FCE000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/3608-65-0x0000000004F40000-0x0000000005FCE000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/3608-66-0x0000000004F40000-0x0000000005FCE000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/3608-67-0x0000000004F40000-0x0000000005FCE000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/3608-69-0x0000000004F40000-0x0000000005FCE000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/3608-70-0x0000000004F40000-0x0000000005FCE000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/3608-71-0x0000000004F40000-0x0000000005FCE000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/3608-72-0x0000000004F40000-0x0000000005FCE000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/3608-75-0x0000000000A60000-0x0000000000A62000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/3608-74-0x0000000004F40000-0x0000000005FCE000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/3608-78-0x0000000004F40000-0x0000000005FCE000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/3608-77-0x0000000004F40000-0x0000000005FCE000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/3608-81-0x0000000004F40000-0x0000000005FCE000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/3608-83-0x0000000004F40000-0x0000000005FCE000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/3608-85-0x0000000004F40000-0x0000000005FCE000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/3608-86-0x0000000004F40000-0x0000000005FCE000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/3608-127-0x0000000000400000-0x00000000004BF000-memory.dmp

                                  Filesize

                                  764KB