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Analysis

  • max time kernel
    96s
  • max time network
    97s
  • 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, 22:57

General

  • Target

    4e58732b0b2277f3732e78e421ecb821eff05091d84ff529b5d2b78c67b8b31dN.dll

  • Size

    120KB

  • MD5

    3b81149e0f499bf5c845cdc46caddc80

  • SHA1

    00fcc282e1583070448d47d291e765cf17f736a8

  • SHA256

    4e58732b0b2277f3732e78e421ecb821eff05091d84ff529b5d2b78c67b8b31d

  • SHA512

    af0c3e3496f4df2cc7af7a36bcf1249e536a7593e2e4c8b1318e431d3d6b64c7fd7577355eb3181c466657bfbc6f36336cf7eac8de7b816d998cc42a681e9d79

  • SSDEEP

    1536:RUJlldTN94kvJFbkmqcaXj5J8rf0vLFdWH7KEcpZxugyVkENh2/cISXwvGm:RUUAJ5qR8rIJdA7JIKkAhTjXQG

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 15 IoCs

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

  • UPX packed file 34 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 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 49 IoCs
  • System policy modification 1 TTPs 2 IoCs

Processes

  • C:\Windows\system32\fontdrvhost.exe
    "fontdrvhost.exe"
    1⤵
      PID:760
    • C:\Windows\system32\fontdrvhost.exe
      "fontdrvhost.exe"
      1⤵
        PID:768
      • C:\Windows\system32\dwm.exe
        "dwm.exe"
        1⤵
          PID:64
        • C:\Windows\system32\sihost.exe
          sihost.exe
          1⤵
            PID:2496
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
            1⤵
              PID:2516
            • C:\Windows\system32\taskhostw.exe
              taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
              1⤵
                PID:2800
              • C:\Windows\Explorer.EXE
                C:\Windows\Explorer.EXE
                1⤵
                  PID:3520
                  • C:\Windows\system32\rundll32.exe
                    rundll32.exe C:\Users\Admin\AppData\Local\Temp\4e58732b0b2277f3732e78e421ecb821eff05091d84ff529b5d2b78c67b8b31dN.dll,#1
                    2⤵
                    • Suspicious use of WriteProcessMemory
                    PID:2400
                    • C:\Windows\SysWOW64\rundll32.exe
                      rundll32.exe C:\Users\Admin\AppData\Local\Temp\4e58732b0b2277f3732e78e421ecb821eff05091d84ff529b5d2b78c67b8b31dN.dll,#1
                      3⤵
                      • System Location Discovery: System Language Discovery
                      • Suspicious use of WriteProcessMemory
                      PID:3544
                      • C:\Users\Admin\AppData\Local\Temp\e57aebe.exe
                        C:\Users\Admin\AppData\Local\Temp\e57aebe.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:3484
                      • C:\Users\Admin\AppData\Local\Temp\e57afb8.exe
                        C:\Users\Admin\AppData\Local\Temp\e57afb8.exe
                        4⤵
                        • Executes dropped EXE
                        • System Location Discovery: System Language Discovery
                        PID:4988
                      • C:\Users\Admin\AppData\Local\Temp\e57ca35.exe
                        C:\Users\Admin\AppData\Local\Temp\e57ca35.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
                        • Suspicious behavior: EnumeratesProcesses
                        • System policy modification
                        PID:3132
                • C:\Windows\system32\svchost.exe
                  C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                  1⤵
                    PID:3688
                  • C:\Windows\system32\DllHost.exe
                    C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                    1⤵
                      PID:3864
                    • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                      "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                      1⤵
                        PID:4020
                      • C:\Windows\System32\RuntimeBroker.exe
                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                        1⤵
                          PID:4084
                        • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                          "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                          1⤵
                            PID:816
                          • C:\Windows\System32\RuntimeBroker.exe
                            C:\Windows\System32\RuntimeBroker.exe -Embedding
                            1⤵
                              PID:4120
                            • 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:724
                              • C:\Windows\System32\RuntimeBroker.exe
                                C:\Windows\System32\RuntimeBroker.exe -Embedding
                                1⤵
                                  PID:4524

                                Network

                                MITRE ATT&CK Enterprise v15

                                Replay Monitor

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                                Downloads

                                • C:\Users\Admin\AppData\Local\Temp\e57aebe.exe

                                  Filesize

                                  97KB

                                  MD5

                                  7f8dd3afbf9955ad45e60193e41777d7

                                  SHA1

                                  6bc23a7a02515c6e785857827f5d84aec4f6d74e

                                  SHA256

                                  2364aad497e8dfd7f52cec581523110fecbd4fd4611604e85cdda616517ced61

                                  SHA512

                                  af3365a39c7b0ce3ecc7cf7cf35d1fd87d8ced15073fbc60df7ddb9950fb1fbd143805a8d79559d1bcd2fc815e4dfefcc4085c623d7691ae595ab92c70db1de1

                                • C:\Windows\SYSTEM.INI

                                  Filesize

                                  257B

                                  MD5

                                  59ff47f9c6c30766ca52628300615263

                                  SHA1

                                  a58cb525e95ea19dd602344dbd4a4b51a28d1a2b

                                  SHA256

                                  736bb851a6012aef23a422f572b63843f4550e17ceb4e4f7509d887963e9cc50

                                  SHA512

                                  7c1c9043a56b128feb86068e40b5b188250ffe85cb545f8c7cd23cb2bd847b54820a4eadc47a1270764ddd9e30f69398e1c4e8c54931e60f9c15006889fcc08c

                                • memory/3132-50-0x0000000000400000-0x0000000000412000-memory.dmp

                                  Filesize

                                  72KB

                                • memory/3132-130-0x0000000000B30000-0x0000000001BEA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3132-124-0x0000000000B30000-0x0000000001BEA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3132-129-0x0000000000400000-0x0000000000412000-memory.dmp

                                  Filesize

                                  72KB

                                • memory/3132-83-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/3132-60-0x00000000001F0000-0x00000000001F1000-memory.dmp

                                  Filesize

                                  4KB

                                • memory/3132-62-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/3132-64-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/3484-75-0x00000000007B0000-0x000000000186A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3484-81-0x00000000007B0000-0x000000000186A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3484-32-0x0000000003660000-0x0000000003662000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/3484-5-0x0000000000400000-0x0000000000412000-memory.dmp

                                  Filesize

                                  72KB

                                • memory/3484-29-0x0000000003660000-0x0000000003662000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/3484-6-0x00000000007B0000-0x000000000186A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3484-9-0x00000000007B0000-0x000000000186A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3484-11-0x00000000007B0000-0x000000000186A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3484-17-0x0000000003FB0000-0x0000000003FB1000-memory.dmp

                                  Filesize

                                  4KB

                                • memory/3484-10-0x00000000007B0000-0x000000000186A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3484-28-0x00000000007B0000-0x000000000186A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3484-36-0x00000000007B0000-0x000000000186A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3484-35-0x00000000007B0000-0x000000000186A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3484-37-0x00000000007B0000-0x000000000186A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3484-38-0x00000000007B0000-0x000000000186A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3484-39-0x00000000007B0000-0x000000000186A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3484-41-0x00000000007B0000-0x000000000186A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3484-42-0x00000000007B0000-0x000000000186A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3484-106-0x0000000000400000-0x0000000000412000-memory.dmp

                                  Filesize

                                  72KB

                                • memory/3484-51-0x00000000007B0000-0x000000000186A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3484-53-0x00000000007B0000-0x000000000186A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3484-54-0x0000000003660000-0x0000000003662000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/3484-55-0x00000000007B0000-0x000000000186A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3484-94-0x0000000003660000-0x0000000003662000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/3484-26-0x00000000007B0000-0x000000000186A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3484-87-0x00000000007B0000-0x000000000186A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3484-13-0x00000000007B0000-0x000000000186A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3484-86-0x00000000007B0000-0x000000000186A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3484-12-0x00000000007B0000-0x000000000186A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3484-65-0x00000000007B0000-0x000000000186A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3484-66-0x00000000007B0000-0x000000000186A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3484-70-0x00000000007B0000-0x000000000186A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3484-71-0x00000000007B0000-0x000000000186A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3484-73-0x00000000007B0000-0x000000000186A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3484-74-0x00000000007B0000-0x000000000186A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3484-85-0x00000000007B0000-0x000000000186A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3484-78-0x00000000007B0000-0x000000000186A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3484-27-0x00000000007B0000-0x000000000186A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3484-8-0x00000000007B0000-0x000000000186A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3544-0-0x0000000010000000-0x0000000010020000-memory.dmp

                                  Filesize

                                  128KB

                                • memory/3544-14-0x00000000036E0000-0x00000000036E2000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/3544-15-0x0000000003B40000-0x0000000003B41000-memory.dmp

                                  Filesize

                                  4KB

                                • memory/3544-18-0x00000000036E0000-0x00000000036E2000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/3544-31-0x00000000036E0000-0x00000000036E2000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/4988-82-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/4988-61-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/4988-63-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/4988-58-0x00000000001F0000-0x00000000001F1000-memory.dmp

                                  Filesize

                                  4KB

                                • memory/4988-33-0x0000000000400000-0x0000000000412000-memory.dmp

                                  Filesize

                                  72KB

                                • memory/4988-110-0x0000000000400000-0x0000000000412000-memory.dmp

                                  Filesize

                                  72KB