Analysis

  • max time kernel
    117s
  • max time network
    96s
  • 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 04:31

General

  • Target

    643129a17ca3e31db8ecac9743574a165bb2954d73cf1d783499d9fae0f17b37.exe

  • Size

    97KB

  • MD5

    a5367bdfb3f931363c09c806d3e91582

  • SHA1

    9ce7d6b31fc29859c5db78033d398e738b0c0c1b

  • SHA256

    643129a17ca3e31db8ecac9743574a165bb2954d73cf1d783499d9fae0f17b37

  • SHA512

    5fade38182cb14b2c44af84aaa538390a3e3a571c49beec5f3c2bd28b58ff52857008a7720060ce9c220d61179662c1e2efdc79c075ad2eb7d5f59380bff397d

  • SSDEEP

    1536:YX/iR4gVzr/oeya21yecHVyrRvLkLuZLAWR2XwywADBgizZNilSZb7:RXVH/oD/cHsFkLucOZ7m62NilI

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 3 IoCs
  • Sality

    Sality is backdoor written in C++, first discovered in 2003.

  • Sality family
  • UAC bypass 3 TTPs 1 IoCs
  • Windows security bypass 2 TTPs 6 IoCs
  • Windows security modification 2 TTPs 7 IoCs
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Enumerates connected drives 3 TTPs 21 IoCs

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

  • Drops autorun.inf file 1 TTPs 2 IoCs

    Malware can abuse Windows Autorun to spread further via attached volumes.

  • UPX packed file 40 IoCs

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

  • Drops file in Program Files directory 11 IoCs
  • Drops file in Windows directory 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

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

  • Modifies registry class 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 24 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Windows\system32\fontdrvhost.exe
    "fontdrvhost.exe"
    1⤵
      PID:784
    • C:\Windows\system32\fontdrvhost.exe
      "fontdrvhost.exe"
      1⤵
        PID:792
      • C:\Windows\system32\dwm.exe
        "dwm.exe"
        1⤵
          PID:380
        • C:\Windows\system32\sihost.exe
          sihost.exe
          1⤵
            PID:2780
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
            1⤵
              PID:2868
            • C:\Windows\system32\taskhostw.exe
              taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
              1⤵
                PID:2984
              • C:\Windows\Explorer.EXE
                C:\Windows\Explorer.EXE
                1⤵
                  PID:3456
                  • C:\Users\Admin\AppData\Local\Temp\643129a17ca3e31db8ecac9743574a165bb2954d73cf1d783499d9fae0f17b37.exe
                    "C:\Users\Admin\AppData\Local\Temp\643129a17ca3e31db8ecac9743574a165bb2954d73cf1d783499d9fae0f17b37.exe"
                    2⤵
                    • Modifies firewall policy service
                    • UAC bypass
                    • Windows security bypass
                    • Windows security modification
                    • Checks whether UAC is enabled
                    • Enumerates connected drives
                    • Drops autorun.inf file
                    • Drops file in Program Files directory
                    • Drops file in Windows directory
                    • System Location Discovery: System Language Discovery
                    • Modifies registry class
                    • Suspicious behavior: EnumeratesProcesses
                    • Suspicious use of AdjustPrivilegeToken
                    • Suspicious use of WriteProcessMemory
                    • System policy modification
                    PID:620
                • C:\Windows\system32\svchost.exe
                  C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                  1⤵
                    PID:3572
                  • C:\Windows\system32\DllHost.exe
                    C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                    1⤵
                      PID:3760
                    • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                      "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                      1⤵
                        PID:3848
                      • C:\Windows\System32\RuntimeBroker.exe
                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                        1⤵
                          PID:3912
                        • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                          "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                          1⤵
                            PID:4000
                          • C:\Windows\System32\RuntimeBroker.exe
                            C:\Windows\System32\RuntimeBroker.exe -Embedding
                            1⤵
                              PID:3972
                            • 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:4452
                              • C:\Windows\System32\RuntimeBroker.exe
                                C:\Windows\System32\RuntimeBroker.exe -Embedding
                                1⤵
                                  PID:4908

                                Network

                                MITRE ATT&CK Enterprise v15

                                Replay Monitor

                                Loading Replay Monitor...

                                Downloads

                                • C:\waxc.exe

                                  Filesize

                                  97KB

                                  MD5

                                  b8a02001d567f0b46699ddcedb532700

                                  SHA1

                                  b475ab6ea68cbfd36bdc6d5655cb23ef2163cb1d

                                  SHA256

                                  a27da2b5c2f319a48f7d39b87731bc9d8388a641d1968781e22cfeb46cf180fd

                                  SHA512

                                  e6e678976349726f6d3823e60b7b15097bc87d665bcdf6605b75f065e3a40b771dc7b658e8d7025ea3eff7de1b6735e60ac01f65fc822d8602a3688280ae2e07

                                • memory/620-32-0x0000000003CB0000-0x0000000003CB2000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/620-71-0x0000000000800000-0x00000000018BA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/620-6-0x0000000000800000-0x00000000018BA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/620-13-0x0000000000800000-0x00000000018BA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/620-20-0x0000000003CB0000-0x0000000003CB2000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/620-16-0x0000000000800000-0x00000000018BA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/620-18-0x0000000000800000-0x00000000018BA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/620-19-0x0000000000800000-0x00000000018BA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/620-17-0x0000000003CB0000-0x0000000003CB2000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/620-15-0x0000000003D00000-0x0000000003D01000-memory.dmp

                                  Filesize

                                  4KB

                                • memory/620-9-0x0000000000800000-0x00000000018BA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/620-21-0x0000000000800000-0x00000000018BA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/620-3-0x0000000000800000-0x00000000018BA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/620-14-0x0000000003CB0000-0x0000000003CB2000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/620-22-0x0000000000800000-0x00000000018BA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/620-23-0x0000000000800000-0x00000000018BA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/620-24-0x0000000000800000-0x00000000018BA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/620-25-0x0000000000800000-0x00000000018BA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/620-26-0x0000000000800000-0x00000000018BA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/620-28-0x0000000000800000-0x00000000018BA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/620-29-0x0000000000800000-0x00000000018BA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/620-30-0x0000000000800000-0x00000000018BA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/620-4-0x0000000000800000-0x00000000018BA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/620-5-0x0000000000800000-0x00000000018BA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/620-40-0x0000000000800000-0x00000000018BA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/620-36-0x0000000000800000-0x00000000018BA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/620-39-0x0000000000800000-0x00000000018BA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/620-35-0x0000000000800000-0x00000000018BA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/620-43-0x0000000000800000-0x00000000018BA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/620-44-0x0000000000800000-0x00000000018BA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/620-47-0x0000000000800000-0x00000000018BA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/620-49-0x0000000000800000-0x00000000018BA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/620-52-0x0000000000800000-0x00000000018BA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/620-54-0x0000000000800000-0x00000000018BA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/620-55-0x0000000000800000-0x00000000018BA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/620-58-0x0000000000800000-0x00000000018BA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/620-60-0x0000000000800000-0x00000000018BA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/620-62-0x0000000000800000-0x00000000018BA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/620-63-0x0000000000800000-0x00000000018BA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/620-64-0x0000000000800000-0x00000000018BA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/620-67-0x0000000000800000-0x00000000018BA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/620-0-0x0000000000400000-0x0000000000412000-memory.dmp

                                  Filesize

                                  72KB

                                • memory/620-72-0x0000000000800000-0x00000000018BA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/620-74-0x0000000000800000-0x00000000018BA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/620-78-0x0000000000800000-0x00000000018BA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/620-31-0x0000000000800000-0x00000000018BA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/620-87-0x0000000000400000-0x0000000000412000-memory.dmp

                                  Filesize

                                  72KB