Analysis

  • max time kernel
    120s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    18-12-2024 00:25

General

  • Target

    a338a47e555ce3b6df0223777d4a7c9886dabb83dbb31a2d70b2618d63e9110d.dll

  • Size

    120KB

  • MD5

    c850d056cc0d91ca955cdf7ccca4ac59

  • SHA1

    705496d93152c25d6f4b0ddaa07fd1048e924ffa

  • SHA256

    a338a47e555ce3b6df0223777d4a7c9886dabb83dbb31a2d70b2618d63e9110d

  • SHA512

    3fe54507833c2b3d3f2791cf7d15d14811caf576d4e7df0cec13d238b19a439d1ad2d56ea3c4049389b02c7069379d13df98c2fba641f7265e8e731dd37a1612

  • SSDEEP

    3072:1VaQc7YLD0OHwM2mq349baISXXaRT+5oWjB:s4AOHwMW34ZI+YoW1

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 17 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:1072
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1156
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1192
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\a338a47e555ce3b6df0223777d4a7c9886dabb83dbb31a2d70b2618d63e9110d.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:2548
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\a338a47e555ce3b6df0223777d4a7c9886dabb83dbb31a2d70b2618d63e9110d.dll,#1
              3⤵
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:2516
              • C:\Users\Admin\AppData\Local\Temp\f76a737.exe
                C:\Users\Admin\AppData\Local\Temp\f76a737.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:1364
              • C:\Users\Admin\AppData\Local\Temp\f76a988.exe
                C:\Users\Admin\AppData\Local\Temp\f76a988.exe
                4⤵
                • Executes dropped EXE
                PID:3020
              • C:\Users\Admin\AppData\Local\Temp\f76c301.exe
                C:\Users\Admin\AppData\Local\Temp\f76c301.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:2700
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:316

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          • C:\Windows\SYSTEM.INI

            Filesize

            256B

            MD5

            4a8a8bdf30ca86c6002d6db121d3157f

            SHA1

            b470d16a14259f1c6db9c1c41cd1510c6c117db4

            SHA256

            0591bcefdd4f012c0fcf0fa919cd94fb1c39c17cf5910b8997be5a098c9cba17

            SHA512

            2bf53377530c98f41740c266eeedce280e9b9769b779dbd81d4f85fc8f48b473d44c3d357b19023aeeba5a149818f78dead38f2ff8d060452dc5e47edd7a711c

          • \Users\Admin\AppData\Local\Temp\f76a737.exe

            Filesize

            97KB

            MD5

            d0f0188ff00e0af16ac796c8fe62404d

            SHA1

            b41943df0049f0a2dc5385627055cdbffc0678aa

            SHA256

            443659c41f012d0a0d0c12e03766a61033df262e7e28c3ef38bbad1f90ef9ff0

            SHA512

            cad504fb0cd0036e7e4a919f25a186640ad20ac970c74189efe69f5322a6127ea73cf20113e1ba08c5f83e50fe2f86413e636a0ae7b0e02cf90a85cee9d46894

          • memory/1072-32-0x0000000000150000-0x0000000000152000-memory.dmp

            Filesize

            8KB

          • memory/1364-64-0x0000000000620000-0x00000000016DA000-memory.dmp

            Filesize

            16.7MB

          • memory/1364-68-0x0000000000620000-0x00000000016DA000-memory.dmp

            Filesize

            16.7MB

          • memory/1364-14-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/1364-65-0x0000000000620000-0x00000000016DA000-memory.dmp

            Filesize

            16.7MB

          • memory/1364-155-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/1364-18-0x0000000000620000-0x00000000016DA000-memory.dmp

            Filesize

            16.7MB

          • memory/1364-20-0x0000000000620000-0x00000000016DA000-memory.dmp

            Filesize

            16.7MB

          • memory/1364-22-0x0000000000620000-0x00000000016DA000-memory.dmp

            Filesize

            16.7MB

          • memory/1364-23-0x0000000000620000-0x00000000016DA000-memory.dmp

            Filesize

            16.7MB

          • memory/1364-21-0x0000000000620000-0x00000000016DA000-memory.dmp

            Filesize

            16.7MB

          • memory/1364-24-0x0000000000620000-0x00000000016DA000-memory.dmp

            Filesize

            16.7MB

          • memory/1364-26-0x0000000000620000-0x00000000016DA000-memory.dmp

            Filesize

            16.7MB

          • memory/1364-19-0x0000000000620000-0x00000000016DA000-memory.dmp

            Filesize

            16.7MB

          • memory/1364-17-0x0000000000620000-0x00000000016DA000-memory.dmp

            Filesize

            16.7MB

          • memory/1364-25-0x0000000000620000-0x00000000016DA000-memory.dmp

            Filesize

            16.7MB

          • memory/1364-49-0x0000000001820000-0x0000000001821000-memory.dmp

            Filesize

            4KB

          • memory/1364-51-0x0000000000370000-0x0000000000372000-memory.dmp

            Filesize

            8KB

          • memory/1364-50-0x0000000000370000-0x0000000000372000-memory.dmp

            Filesize

            8KB

          • memory/1364-156-0x0000000000620000-0x00000000016DA000-memory.dmp

            Filesize

            16.7MB

          • memory/1364-92-0x0000000000620000-0x00000000016DA000-memory.dmp

            Filesize

            16.7MB

          • memory/1364-91-0x0000000000620000-0x00000000016DA000-memory.dmp

            Filesize

            16.7MB

          • memory/1364-89-0x0000000000620000-0x00000000016DA000-memory.dmp

            Filesize

            16.7MB

          • memory/1364-87-0x0000000000620000-0x00000000016DA000-memory.dmp

            Filesize

            16.7MB

          • memory/1364-85-0x0000000000620000-0x00000000016DA000-memory.dmp

            Filesize

            16.7MB

          • memory/1364-66-0x0000000000620000-0x00000000016DA000-memory.dmp

            Filesize

            16.7MB

          • memory/1364-71-0x0000000000620000-0x00000000016DA000-memory.dmp

            Filesize

            16.7MB

          • memory/1364-70-0x0000000000620000-0x00000000016DA000-memory.dmp

            Filesize

            16.7MB

          • memory/1364-67-0x0000000000620000-0x00000000016DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2516-75-0x0000000000310000-0x0000000000322000-memory.dmp

            Filesize

            72KB

          • memory/2516-0-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2516-3-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2516-1-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2516-2-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2516-12-0x00000000001D0000-0x00000000001E2000-memory.dmp

            Filesize

            72KB

          • memory/2516-61-0x00000000001F0000-0x00000000001F2000-memory.dmp

            Filesize

            8KB

          • memory/2516-11-0x00000000001D0000-0x00000000001E2000-memory.dmp

            Filesize

            72KB

          • memory/2516-63-0x00000000002B0000-0x00000000002C2000-memory.dmp

            Filesize

            72KB

          • memory/2516-59-0x00000000001F0000-0x00000000001F2000-memory.dmp

            Filesize

            8KB

          • memory/2516-40-0x00000000001F0000-0x00000000001F2000-memory.dmp

            Filesize

            8KB

          • memory/2516-41-0x0000000000200000-0x0000000000201000-memory.dmp

            Filesize

            4KB

          • memory/2516-43-0x0000000000200000-0x0000000000201000-memory.dmp

            Filesize

            4KB

          • memory/2700-107-0x0000000000360000-0x0000000000362000-memory.dmp

            Filesize

            8KB

          • memory/2700-84-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2700-104-0x00000000003B0000-0x00000000003B1000-memory.dmp

            Filesize

            4KB

          • memory/2700-105-0x0000000000360000-0x0000000000362000-memory.dmp

            Filesize

            8KB

          • memory/2700-214-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2700-215-0x0000000000A80000-0x0000000001B3A000-memory.dmp

            Filesize

            16.7MB

          • memory/2700-187-0x0000000000A80000-0x0000000001B3A000-memory.dmp

            Filesize

            16.7MB

          • memory/3020-100-0x00000000003F0000-0x00000000003F1000-memory.dmp

            Filesize

            4KB

          • memory/3020-161-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/3020-162-0x0000000000910000-0x00000000019CA000-memory.dmp

            Filesize

            16.7MB

          • memory/3020-62-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/3020-108-0x00000000003E0000-0x00000000003E2000-memory.dmp

            Filesize

            8KB

          • memory/3020-136-0x00000000003E0000-0x00000000003E2000-memory.dmp

            Filesize

            8KB

          • memory/3020-106-0x00000000003E0000-0x00000000003E2000-memory.dmp

            Filesize

            8KB

          • memory/3020-216-0x0000000000910000-0x00000000019CA000-memory.dmp

            Filesize

            16.7MB