Analysis

  • max time kernel
    31s
  • max time network
    19s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    30-12-2024 13:21

General

  • Target

    ad6414736e21029deab94abcceabd06777bb38f74b72e7c2b905b1b09d2fa50aN.dll

  • Size

    120KB

  • MD5

    046dfe65358ef4c834a9bdae79958de0

  • SHA1

    479efa4732a63ed54ea160aa7cd61c286b0dba84

  • SHA256

    ad6414736e21029deab94abcceabd06777bb38f74b72e7c2b905b1b09d2fa50a

  • SHA512

    b53f273d6af1290e998e7ca87b39aac23abc2b55b1eb87c3c078e373ec360cdc7ffa1e1e2b967b33e8637b51e4230c3ffa5ebebe1ed40dda77c9c1e1fe84186c

  • SSDEEP

    3072:pxkvFBl8ETOGajfQYNAb0X4Ye9BwJcnOl2:pulQI6eDCcn0

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 8 IoCs

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

  • UPX packed file 22 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 45 IoCs
  • Suspicious use of WriteProcessMemory 39 IoCs
  • System policy modification 1 TTPs 2 IoCs

Processes

  • C:\Windows\system32\taskhost.exe
    "taskhost.exe"
    1⤵
      PID:1172
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1284
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1344
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\ad6414736e21029deab94abcceabd06777bb38f74b72e7c2b905b1b09d2fa50aN.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:2152
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\ad6414736e21029deab94abcceabd06777bb38f74b72e7c2b905b1b09d2fa50aN.dll,#1
              3⤵
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:2208
              • C:\Users\Admin\AppData\Local\Temp\f77900f.exe
                C:\Users\Admin\AppData\Local\Temp\f77900f.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:2872
              • C:\Users\Admin\AppData\Local\Temp\f779379.exe
                C:\Users\Admin\AppData\Local\Temp\f779379.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:2816
              • C:\Users\Admin\AppData\Local\Temp\f77d2e9.exe
                C:\Users\Admin\AppData\Local\Temp\f77d2e9.exe
                4⤵
                • Executes dropped EXE
                PID:2540
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:1488

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          • C:\Windows\SYSTEM.INI

            Filesize

            257B

            MD5

            8dc950d704d5d9fcf7882624a44110c0

            SHA1

            9b2481bd86995a0a51d1dc2aa9de1ff9b0e38a59

            SHA256

            b1bc6ff92338fc970014214998eea78bc937e4559efe151934b6a84f8a096ed8

            SHA512

            87997adb106671c61d96d1efcd0304725b83a48c2611c9968ff5ead3428b38798f5a4f6ecd44f9c50453f0e96e248c8ef4074b840bff70653b73263f45472e45

          • \Users\Admin\AppData\Local\Temp\f77900f.exe

            Filesize

            97KB

            MD5

            33bd5c0c5ab4a008c866cbf0cfa0d86c

            SHA1

            8b38bb14dd12125f437b87275ff14924af6ab8ce

            SHA256

            c81fcf3c50622df9260e4c751d5fc03c8644179561091247c752bcdd4b90aff3

            SHA512

            e38d789e4dc88b88645ca278b85ed423f37857fe556268526dfa268fec4dcd299ad44175026d2d1693f633d1e6026dd936e6fae0cc4eb2bc73e01261d137053d

          • memory/1172-30-0x0000000001BC0000-0x0000000001BC2000-memory.dmp

            Filesize

            8KB

          • memory/2208-90-0x0000000000270000-0x0000000000272000-memory.dmp

            Filesize

            8KB

          • memory/2208-6-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2208-2-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2208-48-0x0000000000280000-0x0000000000281000-memory.dmp

            Filesize

            4KB

          • memory/2208-0-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2208-3-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2208-57-0x0000000000270000-0x0000000000272000-memory.dmp

            Filesize

            8KB

          • memory/2208-37-0x0000000000270000-0x0000000000272000-memory.dmp

            Filesize

            8KB

          • memory/2208-38-0x0000000000280000-0x0000000000281000-memory.dmp

            Filesize

            4KB

          • memory/2208-59-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2208-60-0x0000000000270000-0x0000000000272000-memory.dmp

            Filesize

            8KB

          • memory/2540-94-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2540-191-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2816-77-0x0000000000220000-0x0000000000222000-memory.dmp

            Filesize

            8KB

          • memory/2816-187-0x00000000009C0000-0x0000000001A7A000-memory.dmp

            Filesize

            16.7MB

          • memory/2816-186-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2816-122-0x0000000000220000-0x0000000000222000-memory.dmp

            Filesize

            8KB

          • memory/2816-123-0x00000000009C0000-0x0000000001A7A000-memory.dmp

            Filesize

            16.7MB

          • memory/2816-74-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2816-75-0x0000000000230000-0x0000000000231000-memory.dmp

            Filesize

            4KB

          • memory/2872-78-0x00000000005F0000-0x00000000016AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2872-19-0x00000000005F0000-0x00000000016AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2872-24-0x00000000005F0000-0x00000000016AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2872-62-0x00000000005F0000-0x00000000016AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2872-23-0x00000000005F0000-0x00000000016AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2872-58-0x00000000004C0000-0x00000000004C2000-memory.dmp

            Filesize

            8KB

          • memory/2872-22-0x00000000005F0000-0x00000000016AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2872-63-0x00000000005F0000-0x00000000016AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2872-20-0x00000000005F0000-0x00000000016AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2872-79-0x00000000005F0000-0x00000000016AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2872-80-0x00000000005F0000-0x00000000016AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2872-82-0x00000000005F0000-0x00000000016AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2872-95-0x00000000004C0000-0x00000000004C2000-memory.dmp

            Filesize

            8KB

          • memory/2872-17-0x00000000005F0000-0x00000000016AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2872-16-0x00000000005F0000-0x00000000016AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2872-96-0x00000000005F0000-0x00000000016AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2872-97-0x00000000005F0000-0x00000000016AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2872-98-0x00000000005F0000-0x00000000016AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2872-119-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2872-120-0x00000000005F0000-0x00000000016AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2872-50-0x00000000004C0000-0x00000000004C2000-memory.dmp

            Filesize

            8KB

          • memory/2872-15-0x00000000005F0000-0x00000000016AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2872-12-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2872-47-0x00000000004E0000-0x00000000004E1000-memory.dmp

            Filesize

            4KB

          • memory/2872-21-0x00000000005F0000-0x00000000016AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2872-18-0x00000000005F0000-0x00000000016AA000-memory.dmp

            Filesize

            16.7MB