Analysis

  • max time kernel
    85s
  • max time network
    16s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    17-12-2024 01:30

General

  • Target

    1937188fc53fe17abc9f1eaa0ae1ba96ee6c0f500c4229689ddd05e8843324d6N.dll

  • Size

    120KB

  • MD5

    e27f2599b81fe6c32dad4b92f96cf4f0

  • SHA1

    6e737171929c4332d82b6757fa7e96f9dac67745

  • SHA256

    1937188fc53fe17abc9f1eaa0ae1ba96ee6c0f500c4229689ddd05e8843324d6

  • SHA512

    5da79c165c06a95e1d4a7f09d8cbb4b9a9d635b20813ff65e751fa4f3eff1e932439afca9e5d2cd3a47e72708e2287fa0813dd7e08101ffcf742b477f71e3849

  • SSDEEP

    1536:mwYhS7/ocx823mlEQyraNYjFAIFpOIj66x++UPmC9nP3NuU8KBEJt6qEeS:mzi/ocG2fC0xH6WLrC9nPdIhD6kS

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 15 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:1112
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1160
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1200
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\1937188fc53fe17abc9f1eaa0ae1ba96ee6c0f500c4229689ddd05e8843324d6N.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:1732
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\1937188fc53fe17abc9f1eaa0ae1ba96ee6c0f500c4229689ddd05e8843324d6N.dll,#1
              3⤵
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:1292
              • C:\Users\Admin\AppData\Local\Temp\f768b5e.exe
                C:\Users\Admin\AppData\Local\Temp\f768b5e.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:2508
              • C:\Users\Admin\AppData\Local\Temp\f768d13.exe
                C:\Users\Admin\AppData\Local\Temp\f768d13.exe
                4⤵
                • Modifies firewall policy service
                • UAC bypass
                • Windows security bypass
                • Executes dropped EXE
                • Windows security modification
                • Checks whether UAC is enabled
                • 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:2968
              • C:\Users\Admin\AppData\Local\Temp\f76a747.exe
                C:\Users\Admin\AppData\Local\Temp\f76a747.exe
                4⤵
                • Executes dropped EXE
                PID:2904
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:836

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\Windows\SYSTEM.INI

            Filesize

            257B

            MD5

            fdf093aaa6751f13e4ef38387cac78a3

            SHA1

            b6c990cfc554f7a5ea809b038b41dd38aaae8b92

            SHA256

            9b52cf31e243c6ed9f2ffc02e9dfd95aa627da7b36c60bdb3ef8c6b7383bd6c9

            SHA512

            f1d5b4b6228336ff6ce338072de4b689a26dfd6105fb191b97d7b272c04b70f76c889f877946e93404b7a70d48a22d5fcd9b67b232f733260e1af3ac4da996d5

          • \Users\Admin\AppData\Local\Temp\f768b5e.exe

            Filesize

            97KB

            MD5

            7011ef1ba39450c77e0789cc1f5cecbe

            SHA1

            4e09071a66c8c36909c5580fb2d89fe05d4b7545

            SHA256

            b3ef16fb404f4f1e802cc5fd2373b80a5c5e822cc72e17bf81ac117b894b6063

            SHA512

            986e297ab8bb26ec6e6c3fd03e743862860fea96badf92ac939783154b38459e0ce13566611192182e64723f310c666c3bed90c89855d60147cd68a54b2f0bb3

          • memory/1112-30-0x00000000002E0000-0x00000000002E2000-memory.dmp

            Filesize

            8KB

          • memory/1292-85-0x0000000000380000-0x0000000000392000-memory.dmp

            Filesize

            72KB

          • memory/1292-6-0x00000000001D0000-0x00000000001E2000-memory.dmp

            Filesize

            72KB

          • memory/1292-197-0x0000000000380000-0x0000000000392000-memory.dmp

            Filesize

            72KB

          • memory/1292-0-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/1292-80-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/1292-59-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/1292-2-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/1292-1-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/1292-38-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/1292-39-0x0000000000270000-0x0000000000271000-memory.dmp

            Filesize

            4KB

          • memory/1292-48-0x0000000000270000-0x0000000000271000-memory.dmp

            Filesize

            4KB

          • memory/1292-61-0x0000000000320000-0x0000000000332000-memory.dmp

            Filesize

            72KB

          • memory/1292-60-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2508-65-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/2508-21-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/2508-51-0x0000000000520000-0x0000000000522000-memory.dmp

            Filesize

            8KB

          • memory/2508-49-0x0000000002FD0000-0x0000000002FD1000-memory.dmp

            Filesize

            4KB

          • memory/2508-12-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2508-22-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/2508-20-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/2508-15-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/2508-24-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/2508-19-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/2508-16-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/2508-23-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/2508-17-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/2508-64-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/2508-66-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/2508-68-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/2508-67-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/2508-70-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/2508-71-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/2508-77-0x0000000000520000-0x0000000000522000-memory.dmp

            Filesize

            8KB

          • memory/2508-13-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/2508-54-0x0000000000520000-0x0000000000522000-memory.dmp

            Filesize

            8KB

          • memory/2508-18-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/2508-88-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/2508-89-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/2508-92-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/2508-152-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2508-153-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/2508-110-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/2508-109-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/2904-108-0x00000000003E0000-0x00000000003E2000-memory.dmp

            Filesize

            8KB

          • memory/2904-106-0x00000000003E0000-0x00000000003E2000-memory.dmp

            Filesize

            8KB

          • memory/2904-105-0x00000000003F0000-0x00000000003F1000-memory.dmp

            Filesize

            4KB

          • memory/2904-86-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2904-196-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2968-101-0x00000000003F0000-0x00000000003F1000-memory.dmp

            Filesize

            4KB

          • memory/2968-107-0x00000000003E0000-0x00000000003E2000-memory.dmp

            Filesize

            8KB

          • memory/2968-131-0x00000000003E0000-0x00000000003E2000-memory.dmp

            Filesize

            8KB

          • memory/2968-160-0x0000000000910000-0x00000000019CA000-memory.dmp

            Filesize

            16.7MB

          • memory/2968-192-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2968-191-0x0000000000910000-0x00000000019CA000-memory.dmp

            Filesize

            16.7MB

          • memory/2968-63-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB