Analysis

  • max time kernel
    121s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    16-12-2024 03:01

General

  • Target

    c821308033101c4c0fd19723050367e939d63db08d5bbef3855a035e0d0ab3e3.dll

  • Size

    120KB

  • MD5

    8ed272c050d75adc1c566f56ede276ac

  • SHA1

    d6be7032f93fe6ad4777ed3e16b81073a01fb689

  • SHA256

    c821308033101c4c0fd19723050367e939d63db08d5bbef3855a035e0d0ab3e3

  • SHA512

    3a2649f08bb3b1e46dd5967c78ea95c6a57396576756384a8715056d9eafa75819fbe7cb5f0892a60444ba8a7c5e5dfd50f18832905d42a03a4876a3c52863d9

  • SSDEEP

    3072:5mbwnnOSaIKMnpI7dd938vOpcpGIfyh/Xrx:gsnnOSHKMnQ938vOmpGIWXrx

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 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: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\c821308033101c4c0fd19723050367e939d63db08d5bbef3855a035e0d0ab3e3.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:2364
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\c821308033101c4c0fd19723050367e939d63db08d5bbef3855a035e0d0ab3e3.dll,#1
              3⤵
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:2040
              • C:\Users\Admin\AppData\Local\Temp\f769bf1.exe
                C:\Users\Admin\AppData\Local\Temp\f769bf1.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:2396
              • C:\Users\Admin\AppData\Local\Temp\f769da6.exe
                C:\Users\Admin\AppData\Local\Temp\f769da6.exe
                4⤵
                • Executes dropped EXE
                PID:2484
              • C:\Users\Admin\AppData\Local\Temp\f76ba79.exe
                C:\Users\Admin\AppData\Local\Temp\f76ba79.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:2668
        • 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

            256B

            MD5

            823b4ebe5f5c444ee8b4efff4db24b80

            SHA1

            5e3fe51d879fb6931dc6a0ca4506e3d1738a19b9

            SHA256

            fa8dd6776ef87d19ca58721057652a02c19871e057967853b117f813530fc049

            SHA512

            4aba79a03ab5b25d6fa3885f938060675ef20aa5d50165753cfc39160fbcd952184f5acbb134e8f1fff5abae49dc1ff88a9ab383adcf59cddc165b1616177510

          • \Users\Admin\AppData\Local\Temp\f769bf1.exe

            Filesize

            97KB

            MD5

            f8beb6b8c150ab7eb6c9f8ac8cfb4c50

            SHA1

            ecd73dc9d5097816ffc2752c6cc2598160c80e52

            SHA256

            34ddadae22c48d7b953896bda3a4019a20e455c2a6019b01c0da560567374425

            SHA512

            2a7d8be97f16c94140e5a5d1e997e7b46a5cb2103f1eeded5f4b4e86495be1ab76c8ca72535a4dbdce303359a4405177ced398415dc65acbfa61dd3d4cb80430

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

            Filesize

            8KB

          • memory/2040-81-0x0000000000170000-0x0000000000172000-memory.dmp

            Filesize

            8KB

          • memory/2040-0-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2040-1-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2040-3-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2040-77-0x0000000000220000-0x0000000000222000-memory.dmp

            Filesize

            8KB

          • memory/2040-44-0x0000000000230000-0x0000000000231000-memory.dmp

            Filesize

            4KB

          • memory/2040-7-0x0000000000170000-0x0000000000182000-memory.dmp

            Filesize

            72KB

          • memory/2040-60-0x0000000000280000-0x0000000000292000-memory.dmp

            Filesize

            72KB

          • memory/2040-5-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2040-35-0x0000000000220000-0x0000000000222000-memory.dmp

            Filesize

            8KB

          • memory/2040-36-0x0000000000230000-0x0000000000231000-memory.dmp

            Filesize

            4KB

          • memory/2040-56-0x0000000000220000-0x0000000000222000-memory.dmp

            Filesize

            8KB

          • memory/2040-55-0x0000000000220000-0x0000000000222000-memory.dmp

            Filesize

            8KB

          • memory/2396-59-0x0000000000690000-0x000000000174A000-memory.dmp

            Filesize

            16.7MB

          • memory/2396-83-0x00000000003F0000-0x00000000003F2000-memory.dmp

            Filesize

            8KB

          • memory/2396-21-0x0000000000690000-0x000000000174A000-memory.dmp

            Filesize

            16.7MB

          • memory/2396-47-0x00000000003F0000-0x00000000003F2000-memory.dmp

            Filesize

            8KB

          • memory/2396-45-0x0000000000560000-0x0000000000561000-memory.dmp

            Filesize

            4KB

          • memory/2396-20-0x0000000000690000-0x000000000174A000-memory.dmp

            Filesize

            16.7MB

          • memory/2396-18-0x0000000000690000-0x000000000174A000-memory.dmp

            Filesize

            16.7MB

          • memory/2396-15-0x0000000000690000-0x000000000174A000-memory.dmp

            Filesize

            16.7MB

          • memory/2396-23-0x0000000000690000-0x000000000174A000-memory.dmp

            Filesize

            16.7MB

          • memory/2396-13-0x0000000000690000-0x000000000174A000-memory.dmp

            Filesize

            16.7MB

          • memory/2396-17-0x0000000000690000-0x000000000174A000-memory.dmp

            Filesize

            16.7MB

          • memory/2396-58-0x0000000000690000-0x000000000174A000-memory.dmp

            Filesize

            16.7MB

          • memory/2396-22-0x0000000000690000-0x000000000174A000-memory.dmp

            Filesize

            16.7MB

          • memory/2396-62-0x0000000000690000-0x000000000174A000-memory.dmp

            Filesize

            16.7MB

          • memory/2396-63-0x0000000000690000-0x000000000174A000-memory.dmp

            Filesize

            16.7MB

          • memory/2396-64-0x0000000000690000-0x000000000174A000-memory.dmp

            Filesize

            16.7MB

          • memory/2396-66-0x0000000000690000-0x000000000174A000-memory.dmp

            Filesize

            16.7MB

          • memory/2396-67-0x0000000000690000-0x000000000174A000-memory.dmp

            Filesize

            16.7MB

          • memory/2396-68-0x0000000000690000-0x000000000174A000-memory.dmp

            Filesize

            16.7MB

          • memory/2396-69-0x0000000000690000-0x000000000174A000-memory.dmp

            Filesize

            16.7MB

          • memory/2396-19-0x0000000000690000-0x000000000174A000-memory.dmp

            Filesize

            16.7MB

          • memory/2396-50-0x00000000003F0000-0x00000000003F2000-memory.dmp

            Filesize

            8KB

          • memory/2396-150-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2396-16-0x0000000000690000-0x000000000174A000-memory.dmp

            Filesize

            16.7MB

          • memory/2396-86-0x0000000000690000-0x000000000174A000-memory.dmp

            Filesize

            16.7MB

          • memory/2396-87-0x0000000000690000-0x000000000174A000-memory.dmp

            Filesize

            16.7MB

          • memory/2396-151-0x0000000000690000-0x000000000174A000-memory.dmp

            Filesize

            16.7MB

          • memory/2396-108-0x0000000000690000-0x000000000174A000-memory.dmp

            Filesize

            16.7MB

          • memory/2484-99-0x00000000003E0000-0x00000000003E2000-memory.dmp

            Filesize

            8KB

          • memory/2484-97-0x00000000003F0000-0x00000000003F1000-memory.dmp

            Filesize

            4KB

          • memory/2484-176-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2484-105-0x00000000003E0000-0x00000000003E2000-memory.dmp

            Filesize

            8KB

          • memory/2484-61-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2484-127-0x00000000003E0000-0x00000000003E2000-memory.dmp

            Filesize

            8KB

          • memory/2668-104-0x0000000000220000-0x0000000000222000-memory.dmp

            Filesize

            8KB

          • memory/2668-82-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2668-103-0x00000000003F0000-0x00000000003F1000-memory.dmp

            Filesize

            4KB

          • memory/2668-163-0x0000000000900000-0x00000000019BA000-memory.dmp

            Filesize

            16.7MB

          • memory/2668-106-0x0000000000220000-0x0000000000222000-memory.dmp

            Filesize

            8KB

          • memory/2668-206-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2668-205-0x0000000000900000-0x00000000019BA000-memory.dmp

            Filesize

            16.7MB