Analysis

  • max time kernel
    117s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    17/12/2024, 21:24

General

  • Target

    5b0e87a3bb38c7be1cc3542b958ab0b1e3d4d1e6382af768f33745a03f9c470dN.dll

  • Size

    120KB

  • MD5

    2646f72741aae238f6adb0fbfa3b3e00

  • SHA1

    21838b72bb6e9181984990303b9dd6076b88142c

  • SHA256

    5b0e87a3bb38c7be1cc3542b958ab0b1e3d4d1e6382af768f33745a03f9c470d

  • SHA512

    ab75ad189837540f93579acfe416d6380ea6a98a250df6757c6e120b88b146ff101ade5da7750ef930de736da2230ca9e09c60dd114ae536e325c7df74e8e761

  • SSDEEP

    1536:TA3ArEUg3gbtrwC7CXny9Tpdpv0/jExPq9uX+DdKLkRJqGhmxJdf54MN9mrjK5:83fUdJwCO3ylpvVX+hKowGgxPCI3

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
  • Loads dropped DLL 6 IoCs
  • Windows security modification 2 TTPs 14 IoCs
  • Checks whether UAC is enabled 1 TTPs 2 IoCs
  • Enumerates connected drives 3 TTPs 16 IoCs

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

  • UPX packed file 24 IoCs

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

  • Drops file in Windows directory 3 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 45 IoCs
  • Suspicious use of WriteProcessMemory 38 IoCs
  • System policy modification 1 TTPs 2 IoCs

Processes

  • C:\Windows\system32\taskhost.exe
    "taskhost.exe"
    1⤵
      PID:1104
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1172
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1208
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\5b0e87a3bb38c7be1cc3542b958ab0b1e3d4d1e6382af768f33745a03f9c470dN.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:2228
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\5b0e87a3bb38c7be1cc3542b958ab0b1e3d4d1e6382af768f33745a03f9c470dN.dll,#1
              3⤵
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:2124
              • C:\Users\Admin\AppData\Local\Temp\f76f9aa.exe
                C:\Users\Admin\AppData\Local\Temp\f76f9aa.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 AdjustPrivilegeToken
                • Suspicious use of WriteProcessMemory
                • System policy modification
                PID:2784
              • C:\Users\Admin\AppData\Local\Temp\f76fb8e.exe
                C:\Users\Admin\AppData\Local\Temp\f76fb8e.exe
                4⤵
                • Executes dropped EXE
                PID:3008
              • C:\Users\Admin\AppData\Local\Temp\f771564.exe
                C:\Users\Admin\AppData\Local\Temp\f771564.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 AdjustPrivilegeToken
                • Suspicious use of WriteProcessMemory
                • System policy modification
                PID:2128
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:1532

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          • C:\Windows\SYSTEM.INI

            Filesize

            257B

            MD5

            21cd14fd324e709013b6106298b49022

            SHA1

            b92c661bb6341f1223c2eac8c82c0f20f890cfc9

            SHA256

            cadea881b9b83993a08d82a43106266028b2c698dd0645b3f8311ab6c25d4481

            SHA512

            cb56f1bbc4445f3df20f01af626fe0be756742482dbdc372c0edba7f823dbbd38e371a45525aee994ff4e1b5dc60db8e1a294ecd0e8595f121ffdddb254358a4

          • \Users\Admin\AppData\Local\Temp\f76f9aa.exe

            Filesize

            97KB

            MD5

            a7ece9d1eff1b3aa3abc21ef0b053747

            SHA1

            70e46f78442601ce19cb2d5334c39e292d63fc86

            SHA256

            dc296f35623e62884c6ac0a8707c934f3cf3b099b6f579c1d78a51a1cf9baf07

            SHA512

            e347d33d30fe8108f7691b6be9fe210d69003896a05d49b31db0ce973c343a0b9d390c9d5af7411a3b665f61dc86be0fd758287b8655d4b40ae4e475029db8d7

          • memory/1104-32-0x00000000002B0000-0x00000000002B2000-memory.dmp

            Filesize

            8KB

          • memory/2124-79-0x0000000000230000-0x0000000000232000-memory.dmp

            Filesize

            8KB

          • memory/2124-62-0x0000000000230000-0x0000000000232000-memory.dmp

            Filesize

            8KB

          • memory/2124-3-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2124-12-0x0000000000200000-0x0000000000212000-memory.dmp

            Filesize

            72KB

          • memory/2124-9-0x0000000000200000-0x0000000000212000-memory.dmp

            Filesize

            72KB

          • memory/2124-0-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2124-39-0x0000000000230000-0x0000000000232000-memory.dmp

            Filesize

            8KB

          • memory/2124-1-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2124-48-0x0000000000240000-0x0000000000241000-memory.dmp

            Filesize

            4KB

          • memory/2124-81-0x0000000000270000-0x0000000000282000-memory.dmp

            Filesize

            72KB

          • memory/2124-40-0x0000000000240000-0x0000000000241000-memory.dmp

            Filesize

            4KB

          • memory/2124-61-0x0000000000250000-0x0000000000262000-memory.dmp

            Filesize

            72KB

          • memory/2124-2-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2128-211-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2128-108-0x00000000001B0000-0x00000000001B2000-memory.dmp

            Filesize

            8KB

          • memory/2128-110-0x00000000001B0000-0x00000000001B2000-memory.dmp

            Filesize

            8KB

          • memory/2128-84-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2128-107-0x0000000000240000-0x0000000000241000-memory.dmp

            Filesize

            4KB

          • memory/2128-171-0x0000000000900000-0x00000000019BA000-memory.dmp

            Filesize

            16.7MB

          • memory/2128-210-0x0000000000900000-0x00000000019BA000-memory.dmp

            Filesize

            16.7MB

          • memory/2784-64-0x0000000000620000-0x00000000016DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2784-89-0x0000000000620000-0x00000000016DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2784-26-0x0000000000620000-0x00000000016DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2784-18-0x0000000000620000-0x00000000016DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2784-25-0x0000000000620000-0x00000000016DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2784-24-0x0000000000620000-0x00000000016DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2784-65-0x0000000000620000-0x00000000016DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2784-66-0x0000000000620000-0x00000000016DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2784-67-0x0000000000620000-0x00000000016DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2784-68-0x0000000000620000-0x00000000016DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2784-70-0x0000000000620000-0x00000000016DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2784-71-0x0000000000620000-0x00000000016DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2784-49-0x0000000001760000-0x0000000001761000-memory.dmp

            Filesize

            4KB

          • memory/2784-51-0x00000000003F0000-0x00000000003F2000-memory.dmp

            Filesize

            8KB

          • memory/2784-14-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2784-85-0x0000000000620000-0x00000000016DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2784-87-0x0000000000620000-0x00000000016DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2784-22-0x0000000000620000-0x00000000016DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2784-92-0x0000000000620000-0x00000000016DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2784-52-0x00000000003F0000-0x00000000003F2000-memory.dmp

            Filesize

            8KB

          • memory/2784-20-0x0000000000620000-0x00000000016DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2784-17-0x0000000000620000-0x00000000016DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2784-21-0x0000000000620000-0x00000000016DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2784-23-0x0000000000620000-0x00000000016DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2784-19-0x0000000000620000-0x00000000016DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2784-153-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2784-154-0x0000000000620000-0x00000000016DA000-memory.dmp

            Filesize

            16.7MB

          • memory/3008-132-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/3008-158-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/3008-102-0x0000000000270000-0x0000000000271000-memory.dmp

            Filesize

            4KB

          • memory/3008-109-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/3008-111-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/3008-63-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB