Analysis

  • max time kernel
    38s
  • max time network
    24s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    22-11-2024 03:32

General

  • Target

    b8dceb743f0792767b782e83d503a1e48d52088fb7027485db8ca388668410b3.dll

  • Size

    120KB

  • MD5

    17a7f90783d0daf14c13ae60fb8eb4d2

  • SHA1

    eeb23fb2ce8244a9776a75fea36d9443dfd920ad

  • SHA256

    b8dceb743f0792767b782e83d503a1e48d52088fb7027485db8ca388668410b3

  • SHA512

    c775bad72a865036e1b7651c840e9ec06f0365afddff3ada3690b515c4216e089189c51b9133634b911dc447050dae5945078a2c4a58b82439924a4e2cda4aa8

  • SSDEEP

    3072:Tba6Zh1HAvGM38/GRgRRxqmNjqWiRryUq:3vZUeM3NabNDiRe

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 6 IoCs

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

  • UPX packed file 20 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 43 IoCs
  • Suspicious use of WriteProcessMemory 37 IoCs
  • System policy modification 1 TTPs 2 IoCs

Processes

  • C:\Windows\system32\taskhost.exe
    "taskhost.exe"
    1⤵
      PID:1080
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1168
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1196
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\b8dceb743f0792767b782e83d503a1e48d52088fb7027485db8ca388668410b3.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:2116
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\b8dceb743f0792767b782e83d503a1e48d52088fb7027485db8ca388668410b3.dll,#1
              3⤵
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:2568
              • C:\Users\Admin\AppData\Local\Temp\f77e189.exe
                C:\Users\Admin\AppData\Local\Temp\f77e189.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:1480
              • C:\Users\Admin\AppData\Local\Temp\f77e502.exe
                C:\Users\Admin\AppData\Local\Temp\f77e502.exe
                4⤵
                • Executes dropped EXE
                PID:3004
              • C:\Users\Admin\AppData\Local\Temp\f782b54.exe
                C:\Users\Admin\AppData\Local\Temp\f782b54.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:2352
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:1580

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          • C:\Windows\SYSTEM.INI

            Filesize

            257B

            MD5

            7ec6617ba4efb5d9d8a277a75d068c0f

            SHA1

            d1fe79b7c0476b463ded5657c8bba3b255b0f5fe

            SHA256

            4caf173e0f324c2af8eca65c57b45e6b5791548dbcd5e0ab1352794755e025d7

            SHA512

            6751f11d32df84e77ccb0cdbd24bd2fa9485d377d3824fbbe39d9b0108cbae26790289a61a05a97075c4602f614ba71d85f74de0e8432783ae49562220c97401

          • \Users\Admin\AppData\Local\Temp\f77e189.exe

            Filesize

            97KB

            MD5

            8b180ce50a5c7fd75104f6fb5a312c29

            SHA1

            8bf83f81272052dc80c1f87cfa74f1433b8219f2

            SHA256

            9450a9e9f1dbdba5d3d9d39e5d016cbd6ca8d70de4a4391883a5dd327261e340

            SHA512

            e88477da8ae9f666c9a7b0053af0b5f2c9172c557832ea83c4d2f06ae993e86d79153359c4a522278d0e27eeed16596af9c8e895920ccab8dc7b8e3bdb0efcbe

          • memory/1080-28-0x0000000001C20000-0x0000000001C22000-memory.dmp

            Filesize

            8KB

          • memory/1480-15-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/1480-20-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/1480-12-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/1480-16-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/1480-17-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/1480-63-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/1480-62-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/1480-116-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/1480-14-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/1480-115-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/1480-49-0x00000000016C0000-0x00000000016C2000-memory.dmp

            Filesize

            8KB

          • memory/1480-79-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/1480-96-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/1480-11-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/1480-21-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/1480-19-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/1480-22-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/1480-18-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/1480-46-0x00000000016C0000-0x00000000016C2000-memory.dmp

            Filesize

            8KB

          • memory/1480-44-0x0000000002F40000-0x0000000002F41000-memory.dmp

            Filesize

            4KB

          • memory/1480-92-0x00000000016C0000-0x00000000016C2000-memory.dmp

            Filesize

            8KB

          • memory/1480-61-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/1480-59-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/1480-60-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2352-186-0x00000000005D0000-0x000000000168A000-memory.dmp

            Filesize

            16.7MB

          • memory/2352-94-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2352-185-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2352-151-0x00000000005D0000-0x000000000168A000-memory.dmp

            Filesize

            16.7MB

          • memory/2568-54-0x00000000001F0000-0x00000000001F2000-memory.dmp

            Filesize

            8KB

          • memory/2568-35-0x0000000000200000-0x0000000000201000-memory.dmp

            Filesize

            4KB

          • memory/2568-8-0x0000000000180000-0x0000000000192000-memory.dmp

            Filesize

            72KB

          • memory/2568-83-0x0000000000230000-0x0000000000242000-memory.dmp

            Filesize

            72KB

          • memory/2568-9-0x0000000000180000-0x0000000000192000-memory.dmp

            Filesize

            72KB

          • memory/2568-34-0x00000000001F0000-0x00000000001F2000-memory.dmp

            Filesize

            8KB

          • memory/2568-95-0x0000000000180000-0x0000000000182000-memory.dmp

            Filesize

            8KB

          • memory/2568-93-0x00000000001F0000-0x00000000001F2000-memory.dmp

            Filesize

            8KB

          • memory/2568-43-0x0000000000200000-0x0000000000201000-memory.dmp

            Filesize

            4KB

          • memory/2568-55-0x00000000001F0000-0x00000000001F2000-memory.dmp

            Filesize

            8KB

          • memory/2568-1-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2568-57-0x0000000000210000-0x0000000000222000-memory.dmp

            Filesize

            72KB

          • memory/3004-120-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/3004-58-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/3004-75-0x00000000001B0000-0x00000000001B2000-memory.dmp

            Filesize

            8KB

          • memory/3004-76-0x00000000001B0000-0x00000000001B2000-memory.dmp

            Filesize

            8KB

          • memory/3004-78-0x0000000000240000-0x0000000000241000-memory.dmp

            Filesize

            4KB