Analysis

  • max time kernel
    121s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    28-01-2025 04:00

General

  • Target

    dbb05aa00b27bf2f5931a4cf898a4532f91c9b55a94906c5a92abae93b4174f9.dll

  • Size

    120KB

  • MD5

    aefc83f151afb680020c81a876d142c4

  • SHA1

    2a01783c73827870b67130567bc6748b6034b46a

  • SHA256

    dbb05aa00b27bf2f5931a4cf898a4532f91c9b55a94906c5a92abae93b4174f9

  • SHA512

    4c1865437d286efcb76d4082d3be7a49b57a92fb5e63cfd1d9ce9f4b48c7dfd0f7e3aa0372fde3f20757b6d624a41f2f324aeaf56144c30b06c17476d10977b8

  • SSDEEP

    1536:yASoUSgQA7BiTMecrp5lG5PC1xYpEwa7pcHP1hLR+eLnvt+CHWycf3P/rRkxeENy:x0F7AYpeCdf7pcH9+8n4CHRc/3eKB

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 18 IoCs

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

  • UPX packed file 26 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:1100
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1152
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1196
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\dbb05aa00b27bf2f5931a4cf898a4532f91c9b55a94906c5a92abae93b4174f9.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:2040
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\dbb05aa00b27bf2f5931a4cf898a4532f91c9b55a94906c5a92abae93b4174f9.dll,#1
              3⤵
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:1736
              • C:\Users\Admin\AppData\Local\Temp\f769c3f.exe
                C:\Users\Admin\AppData\Local\Temp\f769c3f.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:2100
              • C:\Users\Admin\AppData\Local\Temp\f769e04.exe
                C:\Users\Admin\AppData\Local\Temp\f769e04.exe
                4⤵
                • Executes dropped EXE
                PID:2840
              • C:\Users\Admin\AppData\Local\Temp\f76bac7.exe
                C:\Users\Admin\AppData\Local\Temp\f76bac7.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:2684
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:1624

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          • C:\Windows\SYSTEM.INI

            Filesize

            257B

            MD5

            fc24e3414a38f886946c2c22da2be25f

            SHA1

            1a28e7144298c4e82dae765646b0deccb8bc04d7

            SHA256

            006670724f9f0ffa16cad6cb8d8b76e5e370a716cb0cef3660560b17a8e26d59

            SHA512

            e691bbd30b3b216ccd6daa97a53c82a6a990718c8095de3bcf228fdf206f8c4eb2515b6f853d44e84038bc14696f082826f3d5a4814572bdeeb37ec6ddfdfe0f

          • \Users\Admin\AppData\Local\Temp\f769c3f.exe

            Filesize

            97KB

            MD5

            9300915c1b242c58c1f32b9f25bf6a40

            SHA1

            3cc25f1fa31c2ea2c3d02ae92f994b1cb4d22f6c

            SHA256

            2240aba1aaad86dae2ff53da38679707131de5fb79247acbf6da86ea3d72e33d

            SHA512

            3e594b7e054174a351e0662b2c578984cbc8d86b8b16638fccd9a14b605b5a208cb549b2dbaec74194ba9d496ad5f354ae1c2d7bb0e96085781fe321712765fa

          • memory/1100-29-0x00000000003A0000-0x00000000003A2000-memory.dmp

            Filesize

            8KB

          • memory/1736-4-0x0000000000110000-0x0000000000122000-memory.dmp

            Filesize

            72KB

          • memory/1736-10-0x0000000000110000-0x0000000000122000-memory.dmp

            Filesize

            72KB

          • memory/1736-80-0x0000000000110000-0x0000000000112000-memory.dmp

            Filesize

            8KB

          • memory/1736-54-0x0000000000230000-0x0000000000232000-memory.dmp

            Filesize

            8KB

          • memory/1736-1-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/1736-35-0x0000000000230000-0x0000000000232000-memory.dmp

            Filesize

            8KB

          • memory/1736-36-0x0000000000240000-0x0000000000241000-memory.dmp

            Filesize

            4KB

          • memory/1736-44-0x0000000000240000-0x0000000000241000-memory.dmp

            Filesize

            4KB

          • memory/1736-57-0x0000000000230000-0x0000000000232000-memory.dmp

            Filesize

            8KB

          • memory/1736-56-0x0000000000250000-0x0000000000262000-memory.dmp

            Filesize

            72KB

          • memory/2100-60-0x0000000000690000-0x000000000174A000-memory.dmp

            Filesize

            16.7MB

          • memory/2100-15-0x0000000000690000-0x000000000174A000-memory.dmp

            Filesize

            16.7MB

          • memory/2100-47-0x00000000002B0000-0x00000000002B2000-memory.dmp

            Filesize

            8KB

          • memory/2100-45-0x0000000000310000-0x0000000000311000-memory.dmp

            Filesize

            4KB

          • memory/2100-23-0x0000000000690000-0x000000000174A000-memory.dmp

            Filesize

            16.7MB

          • memory/2100-21-0x0000000000690000-0x000000000174A000-memory.dmp

            Filesize

            16.7MB

          • memory/2100-14-0x0000000000690000-0x000000000174A000-memory.dmp

            Filesize

            16.7MB

          • memory/2100-17-0x0000000000690000-0x000000000174A000-memory.dmp

            Filesize

            16.7MB

          • memory/2100-20-0x0000000000690000-0x000000000174A000-memory.dmp

            Filesize

            16.7MB

          • memory/2100-19-0x0000000000690000-0x000000000174A000-memory.dmp

            Filesize

            16.7MB

          • memory/2100-16-0x0000000000690000-0x000000000174A000-memory.dmp

            Filesize

            16.7MB

          • memory/2100-22-0x0000000000690000-0x000000000174A000-memory.dmp

            Filesize

            16.7MB

          • memory/2100-59-0x0000000000690000-0x000000000174A000-memory.dmp

            Filesize

            16.7MB

          • memory/2100-18-0x0000000000690000-0x000000000174A000-memory.dmp

            Filesize

            16.7MB

          • memory/2100-61-0x0000000000690000-0x000000000174A000-memory.dmp

            Filesize

            16.7MB

          • memory/2100-62-0x0000000000690000-0x000000000174A000-memory.dmp

            Filesize

            16.7MB

          • memory/2100-63-0x0000000000690000-0x000000000174A000-memory.dmp

            Filesize

            16.7MB

          • memory/2100-65-0x0000000000690000-0x000000000174A000-memory.dmp

            Filesize

            16.7MB

          • memory/2100-66-0x0000000000690000-0x000000000174A000-memory.dmp

            Filesize

            16.7MB

          • memory/2100-67-0x0000000000690000-0x000000000174A000-memory.dmp

            Filesize

            16.7MB

          • memory/2100-68-0x0000000000690000-0x000000000174A000-memory.dmp

            Filesize

            16.7MB

          • memory/2100-55-0x00000000002B0000-0x00000000002B2000-memory.dmp

            Filesize

            8KB

          • memory/2100-11-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2100-83-0x0000000000690000-0x000000000174A000-memory.dmp

            Filesize

            16.7MB

          • memory/2100-85-0x0000000000690000-0x000000000174A000-memory.dmp

            Filesize

            16.7MB

          • memory/2100-147-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2100-148-0x0000000000690000-0x000000000174A000-memory.dmp

            Filesize

            16.7MB

          • memory/2100-107-0x0000000000690000-0x000000000174A000-memory.dmp

            Filesize

            16.7MB

          • memory/2100-105-0x0000000000690000-0x000000000174A000-memory.dmp

            Filesize

            16.7MB

          • memory/2684-99-0x0000000000230000-0x0000000000231000-memory.dmp

            Filesize

            4KB

          • memory/2684-102-0x0000000000220000-0x0000000000222000-memory.dmp

            Filesize

            8KB

          • memory/2684-100-0x0000000000220000-0x0000000000222000-memory.dmp

            Filesize

            8KB

          • memory/2684-81-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2684-160-0x0000000000910000-0x00000000019CA000-memory.dmp

            Filesize

            16.7MB

          • memory/2684-204-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2684-203-0x0000000000910000-0x00000000019CA000-memory.dmp

            Filesize

            16.7MB

          • memory/2840-95-0x0000000000270000-0x0000000000271000-memory.dmp

            Filesize

            4KB

          • memory/2840-101-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2840-124-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2840-103-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2840-176-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB