Analysis

  • max time kernel
    116s
  • 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
    17-12-2024 21:20

General

  • Target

    613a2b3d338439151bc565a60c8a4ce03c97ce71b594e4ada29659a46e0b75c3.exe

  • Size

    65KB

  • MD5

    0636e3027bfa59dae1ef95a4e6f191d1

  • SHA1

    64eab731d84ff175fce5123523d14b59cd443077

  • SHA256

    613a2b3d338439151bc565a60c8a4ce03c97ce71b594e4ada29659a46e0b75c3

  • SHA512

    8ea30fa859c6c2a455d93c07888c27570e7ed1865db1ef963bc37e3919806228e0bda36fc613039107d65a9e23dba0fd1eae6092462caa07d0ef2109496fec2c

  • SSDEEP

    1536:WTlEXdxhp9z5+BvOlTSeQXYwRqu0a72qi2A20C0vCJsgB1o8jqu:Wuxhp9z5HSlIqq02qig7mCJsgB1HWu

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:388
        • C:\Windows\system32\sihost.exe
          sihost.exe
          1⤵
            PID:696
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
            1⤵
              PID:3092
            • C:\Windows\system32\taskhostw.exe
              taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
              1⤵
                PID:3132
              • C:\Windows\Explorer.EXE
                C:\Windows\Explorer.EXE
                1⤵
                  PID:3452
                  • C:\Users\Admin\AppData\Local\Temp\613a2b3d338439151bc565a60c8a4ce03c97ce71b594e4ada29659a46e0b75c3.exe
                    "C:\Users\Admin\AppData\Local\Temp\613a2b3d338439151bc565a60c8a4ce03c97ce71b594e4ada29659a46e0b75c3.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:4368
                • 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:3768
                    • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                      "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                      1⤵
                        PID:3892
                      • C:\Windows\System32\RuntimeBroker.exe
                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                        1⤵
                          PID:3984
                        • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                          "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                          1⤵
                            PID:4076
                          • C:\Windows\System32\RuntimeBroker.exe
                            C:\Windows\System32\RuntimeBroker.exe -Embedding
                            1⤵
                              PID:3856
                            • C:\Windows\System32\RuntimeBroker.exe
                              C:\Windows\System32\RuntimeBroker.exe -Embedding
                              1⤵
                                PID:740
                              • C:\Windows\System32\RuntimeBroker.exe
                                C:\Windows\System32\RuntimeBroker.exe -Embedding
                                1⤵
                                  PID:2132
                                • 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:4488
                                  • C:\Windows\system32\backgroundTaskHost.exe
                                    "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
                                    1⤵
                                      PID:4336

                                    Network

                                    MITRE ATT&CK Enterprise v15

                                    Replay Monitor

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                                    Downloads

                                    • C:\xxkflo.exe

                                      Filesize

                                      97KB

                                      MD5

                                      395024d5a476b244a692830a64f6509e

                                      SHA1

                                      b959edfad25f06432e1173dbfe3e600eebe3a3e4

                                      SHA256

                                      b48d22cfa129e1d5dd5b008e1306d11f528757ae7f3c4c1745a4968b54a68b31

                                      SHA512

                                      572f619ddff4f9eb5ec3cc3c12e54e9bd69f8568ac746864249c9f3315ab61f68257c47aa65a03d760ca535a4d58f6372fed1518212d2e1fcfae6f19ebecc75d

                                    • memory/4368-33-0x0000000001B40000-0x0000000001B42000-memory.dmp

                                      Filesize

                                      8KB

                                    • memory/4368-71-0x0000000000760000-0x000000000181A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/4368-8-0x0000000000760000-0x000000000181A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/4368-9-0x0000000000760000-0x000000000181A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/4368-17-0x0000000000760000-0x000000000181A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/4368-20-0x0000000000760000-0x000000000181A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/4368-18-0x0000000000760000-0x000000000181A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/4368-19-0x0000000001B40000-0x0000000001B42000-memory.dmp

                                      Filesize

                                      8KB

                                    • memory/4368-4-0x0000000000760000-0x000000000181A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/4368-10-0x0000000000760000-0x000000000181A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/4368-11-0x0000000001B40000-0x0000000001B42000-memory.dmp

                                      Filesize

                                      8KB

                                    • memory/4368-21-0x0000000000760000-0x000000000181A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/4368-7-0x0000000003E80000-0x0000000003E81000-memory.dmp

                                      Filesize

                                      4KB

                                    • memory/4368-6-0x0000000001B40000-0x0000000001B42000-memory.dmp

                                      Filesize

                                      8KB

                                    • memory/4368-23-0x0000000000760000-0x000000000181A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/4368-22-0x0000000000760000-0x000000000181A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/4368-24-0x0000000000760000-0x000000000181A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/4368-25-0x0000000000760000-0x000000000181A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/4368-26-0x0000000000760000-0x000000000181A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/4368-28-0x0000000000760000-0x000000000181A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/4368-29-0x0000000000760000-0x000000000181A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/4368-30-0x0000000000760000-0x000000000181A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/4368-3-0x0000000000760000-0x000000000181A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/4368-5-0x0000000000760000-0x000000000181A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/4368-40-0x0000000000760000-0x000000000181A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/4368-37-0x0000000000760000-0x000000000181A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/4368-39-0x0000000000760000-0x000000000181A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/4368-35-0x0000000000760000-0x000000000181A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/4368-43-0x0000000000760000-0x000000000181A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/4368-45-0x0000000000760000-0x000000000181A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/4368-48-0x0000000000760000-0x000000000181A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/4368-54-0x0000000000760000-0x000000000181A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/4368-55-0x0000000000760000-0x000000000181A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/4368-56-0x0000000000760000-0x000000000181A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/4368-57-0x0000000000760000-0x000000000181A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/4368-59-0x0000000000760000-0x000000000181A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/4368-63-0x0000000000760000-0x000000000181A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/4368-64-0x0000000000760000-0x000000000181A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/4368-66-0x0000000000760000-0x000000000181A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/4368-67-0x0000000000760000-0x000000000181A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/4368-69-0x0000000000760000-0x000000000181A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/4368-0-0x0000000000400000-0x0000000000412000-memory.dmp

                                      Filesize

                                      72KB

                                    • memory/4368-72-0x0000000000760000-0x000000000181A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/4368-74-0x0000000000760000-0x000000000181A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/4368-78-0x0000000000760000-0x000000000181A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/4368-32-0x0000000000760000-0x000000000181A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/4368-87-0x0000000000400000-0x0000000000412000-memory.dmp

                                      Filesize

                                      72KB