Analysis

  • max time kernel
    26s
  • max time network
    17s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    17-12-2024 21:10

General

  • Target

    b7c45b559fc72a4b7134a4a308caf366aa990aec43f33a96f1bc1ac42e9e7130N.dll

  • Size

    120KB

  • MD5

    1430f96da6630ed645c10a89e2ad3fa0

  • SHA1

    70c1b3e4676f98017fded905121995a1cf7a607d

  • SHA256

    b7c45b559fc72a4b7134a4a308caf366aa990aec43f33a96f1bc1ac42e9e7130

  • SHA512

    7788bea75e68c629a164c3a6b9c060282e7699bb52e8edd906b1357e8c0fc0c702602f5a610a5633d11cfa8c825d4db436ff809dbae52144b577dae09923b5a4

  • SSDEEP

    1536:nteWGbTI21kNVKvLOLgtznu/qT5syoj4oygV26nUOVUtsSkqV4PVIDrh:nubE2a7ZUwqT+bEHgVvUaa463

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 25 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 46 IoCs
  • Suspicious use of WriteProcessMemory 38 IoCs
  • System policy modification 1 TTPs 2 IoCs

Processes

  • C:\Windows\system32\taskhost.exe
    "taskhost.exe"
    1⤵
      PID:1072
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1080
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1160
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\b7c45b559fc72a4b7134a4a308caf366aa990aec43f33a96f1bc1ac42e9e7130N.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:2528
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\b7c45b559fc72a4b7134a4a308caf366aa990aec43f33a96f1bc1ac42e9e7130N.dll,#1
              3⤵
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:2532
              • C:\Users\Admin\AppData\Local\Temp\f76a5c1.exe
                C:\Users\Admin\AppData\Local\Temp\f76a5c1.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:1600
              • C:\Users\Admin\AppData\Local\Temp\f76a737.exe
                C:\Users\Admin\AppData\Local\Temp\f76a737.exe
                4⤵
                • Executes dropped EXE
                PID:2840
              • C:\Users\Admin\AppData\Local\Temp\f76c18b.exe
                C:\Users\Admin\AppData\Local\Temp\f76c18b.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:1192
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:1272

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          • C:\Windows\SYSTEM.INI

            Filesize

            257B

            MD5

            8a00440130d0d5d7061c1341cf6b39f4

            SHA1

            b8853b719b2aa564cfa84c37dfc94e2040685918

            SHA256

            dd7a12e4456f5b5c077e4a298514e5598d52ba1ef774d5998886604d7e97edec

            SHA512

            e423ca277a5d5c8ac3e9c3d36c1605e4abc6d5f1475ad1e29e3fa6d1abc2571d6cfcdb924db90e4f5f87387da2b9075304f98b7bb54ec7b8efd0829c46214f95

          • \Users\Admin\AppData\Local\Temp\f76a5c1.exe

            Filesize

            97KB

            MD5

            7a9f23db544b655b415b2d03244c245b

            SHA1

            c1df12d309f332801b40a8fe1f229dc455b8e138

            SHA256

            8460ffeffa1070169b26cdb8b0551eddea30e0a6ef3a29dd060eaa68a9629e29

            SHA512

            f919b4c173fe250f78f6493763efa0dbc333b7ca7e557875f687778563fb99251e70798d823a8ce86c21deff9a4ec0d8a6860ef1c1ba44020793d683e919164e

          • memory/1072-25-0x0000000001F10000-0x0000000001F12000-memory.dmp

            Filesize

            8KB

          • memory/1192-204-0x0000000000940000-0x00000000019FA000-memory.dmp

            Filesize

            16.7MB

          • memory/1192-205-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/1192-177-0x0000000000940000-0x00000000019FA000-memory.dmp

            Filesize

            16.7MB

          • memory/1192-103-0x00000000002B0000-0x00000000002B1000-memory.dmp

            Filesize

            4KB

          • memory/1192-105-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/1192-107-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/1192-83-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/1600-63-0x0000000000640000-0x00000000016FA000-memory.dmp

            Filesize

            16.7MB

          • memory/1600-69-0x0000000000640000-0x00000000016FA000-memory.dmp

            Filesize

            16.7MB

          • memory/1600-151-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/1600-18-0x0000000000640000-0x00000000016FA000-memory.dmp

            Filesize

            16.7MB

          • memory/1600-152-0x0000000000640000-0x00000000016FA000-memory.dmp

            Filesize

            16.7MB

          • memory/1600-16-0x0000000000640000-0x00000000016FA000-memory.dmp

            Filesize

            16.7MB

          • memory/1600-109-0x0000000000640000-0x00000000016FA000-memory.dmp

            Filesize

            16.7MB

          • memory/1600-108-0x0000000000640000-0x00000000016FA000-memory.dmp

            Filesize

            16.7MB

          • memory/1600-24-0x0000000000640000-0x00000000016FA000-memory.dmp

            Filesize

            16.7MB

          • memory/1600-22-0x0000000000640000-0x00000000016FA000-memory.dmp

            Filesize

            16.7MB

          • memory/1600-19-0x0000000000640000-0x00000000016FA000-memory.dmp

            Filesize

            16.7MB

          • memory/1600-57-0x00000000003D0000-0x00000000003D2000-memory.dmp

            Filesize

            8KB

          • memory/1600-56-0x00000000003D0000-0x00000000003D2000-memory.dmp

            Filesize

            8KB

          • memory/1600-13-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/1600-17-0x0000000000640000-0x00000000016FA000-memory.dmp

            Filesize

            16.7MB

          • memory/1600-20-0x0000000000640000-0x00000000016FA000-memory.dmp

            Filesize

            16.7MB

          • memory/1600-43-0x00000000003E0000-0x00000000003E1000-memory.dmp

            Filesize

            4KB

          • memory/1600-21-0x0000000000640000-0x00000000016FA000-memory.dmp

            Filesize

            16.7MB

          • memory/1600-64-0x0000000000640000-0x00000000016FA000-memory.dmp

            Filesize

            16.7MB

          • memory/1600-90-0x0000000000640000-0x00000000016FA000-memory.dmp

            Filesize

            16.7MB

          • memory/1600-65-0x0000000000640000-0x00000000016FA000-memory.dmp

            Filesize

            16.7MB

          • memory/1600-66-0x0000000000640000-0x00000000016FA000-memory.dmp

            Filesize

            16.7MB

          • memory/1600-67-0x0000000000640000-0x00000000016FA000-memory.dmp

            Filesize

            16.7MB

          • memory/1600-14-0x0000000000640000-0x00000000016FA000-memory.dmp

            Filesize

            16.7MB

          • memory/1600-70-0x0000000000640000-0x00000000016FA000-memory.dmp

            Filesize

            16.7MB

          • memory/1600-23-0x0000000000640000-0x00000000016FA000-memory.dmp

            Filesize

            16.7MB

          • memory/1600-88-0x0000000000640000-0x00000000016FA000-memory.dmp

            Filesize

            16.7MB

          • memory/1600-86-0x00000000003D0000-0x00000000003D2000-memory.dmp

            Filesize

            8KB

          • memory/1600-84-0x0000000000640000-0x00000000016FA000-memory.dmp

            Filesize

            16.7MB

          • memory/2532-2-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2532-82-0x0000000000170000-0x0000000000172000-memory.dmp

            Filesize

            8KB

          • memory/2532-3-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2532-33-0x00000000001F0000-0x00000000001F1000-memory.dmp

            Filesize

            4KB

          • memory/2532-79-0x00000000001E0000-0x00000000001E2000-memory.dmp

            Filesize

            8KB

          • memory/2532-53-0x00000000001E0000-0x00000000001E2000-memory.dmp

            Filesize

            8KB

          • memory/2532-42-0x00000000001F0000-0x00000000001F1000-memory.dmp

            Filesize

            4KB

          • memory/2532-1-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2532-0-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2532-51-0x00000000001E0000-0x00000000001E2000-memory.dmp

            Filesize

            8KB

          • memory/2532-52-0x0000000000280000-0x0000000000292000-memory.dmp

            Filesize

            72KB

          • memory/2532-32-0x00000000001E0000-0x00000000001E2000-memory.dmp

            Filesize

            8KB

          • memory/2532-6-0x0000000000170000-0x0000000000182000-memory.dmp

            Filesize

            72KB

          • memory/2840-106-0x0000000000360000-0x0000000000362000-memory.dmp

            Filesize

            8KB

          • memory/2840-128-0x0000000000360000-0x0000000000362000-memory.dmp

            Filesize

            8KB

          • memory/2840-167-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2840-98-0x00000000003B0000-0x00000000003B1000-memory.dmp

            Filesize

            4KB

          • memory/2840-55-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2840-104-0x0000000000360000-0x0000000000362000-memory.dmp

            Filesize

            8KB