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
    20-12-2024 04:26

General

  • Target

    820de757bed312f0f52c78d8c38f94f2c93ec36c05a794ca64adcbe9a529b5c9N.dll

  • Size

    120KB

  • MD5

    8bc75b9a1265119ba5a520e65fbd5ee0

  • SHA1

    624edea7b32408ab09a29341c55ff93d8761ad81

  • SHA256

    820de757bed312f0f52c78d8c38f94f2c93ec36c05a794ca64adcbe9a529b5c9

  • SHA512

    29f3d81e3dea0c23daeb83fa16f6e06e83ad12fe05c6ad7841035bbce3163903d6f27ca4b13be92a9d8b2735c782d34ada661794c58a70c8bd4d05d01ff9e8db

  • SSDEEP

    3072:q/3Y0djhwYNl9avstM12w/wfOBt+j1RLUx28:EYStLpMMwgOBt+j1RLUx

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 28 IoCs

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

  • Drops file in Program Files directory 3 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 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:788
    • C:\Windows\system32\fontdrvhost.exe
      "fontdrvhost.exe"
      1⤵
        PID:796
      • C:\Windows\system32\dwm.exe
        "dwm.exe"
        1⤵
          PID:384
        • C:\Windows\system32\sihost.exe
          sihost.exe
          1⤵
            PID:2676
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
            1⤵
              PID:2692
            • C:\Windows\system32\taskhostw.exe
              taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
              1⤵
                PID:2896
              • C:\Windows\Explorer.EXE
                C:\Windows\Explorer.EXE
                1⤵
                  PID:3456
                  • C:\Windows\system32\rundll32.exe
                    rundll32.exe C:\Users\Admin\AppData\Local\Temp\820de757bed312f0f52c78d8c38f94f2c93ec36c05a794ca64adcbe9a529b5c9N.dll,#1
                    2⤵
                    • Suspicious use of WriteProcessMemory
                    PID:4648
                    • C:\Windows\SysWOW64\rundll32.exe
                      rundll32.exe C:\Users\Admin\AppData\Local\Temp\820de757bed312f0f52c78d8c38f94f2c93ec36c05a794ca64adcbe9a529b5c9N.dll,#1
                      3⤵
                      • System Location Discovery: System Language Discovery
                      • Suspicious use of WriteProcessMemory
                      PID:1520
                      • C:\Users\Admin\AppData\Local\Temp\e5799de.exe
                        C:\Users\Admin\AppData\Local\Temp\e5799de.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:1256
                      • C:\Users\Admin\AppData\Local\Temp\e579b46.exe
                        C:\Users\Admin\AppData\Local\Temp\e579b46.exe
                        4⤵
                        • Executes dropped EXE
                        • System Location Discovery: System Language Discovery
                        PID:780
                      • C:\Users\Admin\AppData\Local\Temp\e57c4a8.exe
                        C:\Users\Admin\AppData\Local\Temp\e57c4a8.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:740
                      • C:\Users\Admin\AppData\Local\Temp\e57c4b7.exe
                        C:\Users\Admin\AppData\Local\Temp\e57c4b7.exe
                        4⤵
                        • Executes dropped EXE
                        • System Location Discovery: System Language Discovery
                        PID:5088
                • C:\Windows\system32\svchost.exe
                  C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                  1⤵
                    PID:3564
                  • 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:3832
                      • C:\Windows\System32\RuntimeBroker.exe
                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                        1⤵
                          PID:3916
                        • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                          "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                          1⤵
                            PID:4012
                          • C:\Windows\System32\RuntimeBroker.exe
                            C:\Windows\System32\RuntimeBroker.exe -Embedding
                            1⤵
                              PID:2976
                            • 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:4784
                                • C:\Windows\system32\backgroundTaskHost.exe
                                  "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
                                  1⤵
                                    PID:5100

                                  Network

                                  MITRE ATT&CK Enterprise v15

                                  Replay Monitor

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                                  Downloads

                                  • C:\Users\Admin\AppData\Local\Temp\e5799de.exe

                                    Filesize

                                    97KB

                                    MD5

                                    6c5157ebcd5a25195652eb1615ccf88d

                                    SHA1

                                    a7515eee579766202a6c50d9e81852f0d240628c

                                    SHA256

                                    c3c1ee17b03dfbfabe5676b2c0401d9929a0635d53aeb08fc82982dc129e992c

                                    SHA512

                                    22ca39b569a75129f9a28d540fd661b962fa52cad7323d995f5c0d37e40d719e19317c9cf60f3e1760e773b081085cfbcabe0643a19463d410e011c54a91180e

                                  • C:\Windows\SYSTEM.INI

                                    Filesize

                                    257B

                                    MD5

                                    419a1f7dbb13127cc6d73309cf913a28

                                    SHA1

                                    e88ed0a7e32e8fd262dd57cf0747e2d71015c8e2

                                    SHA256

                                    989317e77d17c1a414168da980dfbd9efe0b91f19bdca10e738f09bfdd315a02

                                    SHA512

                                    aa6a1ffe5ce45097c72f906b2d65d00bd541eb73d6990edacef60b48f7a85b3d4fc1b43d1140b4d431615450433639d9e793c7f17e5d954b95bdbd298adf625b

                                  • memory/740-155-0x0000000000800000-0x00000000018BA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/740-154-0x0000000000400000-0x0000000000412000-memory.dmp

                                    Filesize

                                    72KB

                                  • memory/740-117-0x0000000000800000-0x00000000018BA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/740-54-0x0000000000400000-0x0000000000412000-memory.dmp

                                    Filesize

                                    72KB

                                  • memory/780-33-0x0000000000400000-0x0000000000412000-memory.dmp

                                    Filesize

                                    72KB

                                  • memory/780-100-0x0000000000400000-0x0000000000412000-memory.dmp

                                    Filesize

                                    72KB

                                  • memory/780-44-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/780-43-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/780-42-0x00000000001F0000-0x00000000001F1000-memory.dmp

                                    Filesize

                                    4KB

                                  • memory/1256-38-0x00000000008C0000-0x000000000197A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/1256-28-0x0000000000630000-0x0000000000632000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/1256-19-0x00000000008C0000-0x000000000197A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/1256-31-0x00000000008C0000-0x000000000197A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/1256-32-0x0000000000630000-0x0000000000632000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/1256-4-0x0000000000400000-0x0000000000412000-memory.dmp

                                    Filesize

                                    72KB

                                  • memory/1256-8-0x00000000008C0000-0x000000000197A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/1256-10-0x00000000008C0000-0x000000000197A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/1256-6-0x00000000008C0000-0x000000000197A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/1256-34-0x00000000008C0000-0x000000000197A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/1256-36-0x00000000008C0000-0x000000000197A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/1256-35-0x00000000008C0000-0x000000000197A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/1256-37-0x00000000008C0000-0x000000000197A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/1256-9-0x00000000008C0000-0x000000000197A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/1256-39-0x00000000008C0000-0x000000000197A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/1256-11-0x00000000008C0000-0x000000000197A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/1256-13-0x00000000008C0000-0x000000000197A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/1256-12-0x00000000008C0000-0x000000000197A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/1256-45-0x00000000008C0000-0x000000000197A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/1256-25-0x0000000000640000-0x0000000000641000-memory.dmp

                                    Filesize

                                    4KB

                                  • memory/1256-96-0x0000000000400000-0x0000000000412000-memory.dmp

                                    Filesize

                                    72KB

                                  • memory/1256-60-0x00000000008C0000-0x000000000197A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/1256-61-0x0000000000630000-0x0000000000632000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/1256-62-0x00000000008C0000-0x000000000197A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/1256-64-0x00000000008C0000-0x000000000197A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/1256-65-0x00000000008C0000-0x000000000197A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/1256-67-0x00000000008C0000-0x000000000197A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/1256-68-0x00000000008C0000-0x000000000197A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/1256-71-0x00000000008C0000-0x000000000197A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/1256-73-0x00000000008C0000-0x000000000197A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/1256-76-0x00000000008C0000-0x000000000197A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/1256-78-0x00000000008C0000-0x000000000197A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/1520-53-0x0000000002C90000-0x0000000002C92000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/1520-20-0x0000000002C90000-0x0000000002C92000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/1520-27-0x0000000002C90000-0x0000000002C92000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/1520-0-0x0000000010000000-0x0000000010020000-memory.dmp

                                    Filesize

                                    128KB

                                  • memory/1520-21-0x0000000002D20000-0x0000000002D21000-memory.dmp

                                    Filesize

                                    4KB

                                  • memory/1520-22-0x0000000002C90000-0x0000000002C92000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/5088-159-0x0000000000400000-0x0000000000412000-memory.dmp

                                    Filesize

                                    72KB