Analysis

  • max time kernel
    118s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    04/05/2024, 20:56

General

  • Target

    192cc3439a33ba7992518cf85a8e439bbf566bdaf083d7528a67af9c65cdb998.dll

  • Size

    120KB

  • MD5

    6152086b775886cba266927a0e32753b

  • SHA1

    a1aa3a18a77b34805e73ab6af695618ae6f4781c

  • SHA256

    192cc3439a33ba7992518cf85a8e439bbf566bdaf083d7528a67af9c65cdb998

  • SHA512

    a7af34073df9cc030c56cd6de9361043b71bed08580095be4ff31330a43f8d1258fb13cf2164633ef30bdf58009ccd0ca2fcbc1e846551b44d170d52b96e489e

  • SSDEEP

    1536:SUGCrOixYxh1t8wl682LdtX6Y4JQiSRYCno9NBoxx8QqrL7OaFvIc87c2:/GCt61+wsz3iQiSRJno9s8J/TvIc8

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 2 TTPs 6 IoCs
  • Sality

    Sality is backdoor written in C++, first discovered in 2003.

  • UAC bypass 3 TTPs 2 IoCs
  • Windows security bypass 2 TTPs 12 IoCs
  • Detects executables packed with Sality Polymorphic Code Generator or Simple Poly Engine or Sality 24 IoCs
  • UPX dump on OEP (original entry point) 28 IoCs
  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 6 IoCs
  • UPX packed file 24 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • 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.

  • Drops file in Windows directory 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 41 IoCs
  • Suspicious use of WriteProcessMemory 36 IoCs
  • System policy modification 1 TTPs 2 IoCs

Processes

  • C:\Windows\system32\taskhost.exe
    "taskhost.exe"
    1⤵
      PID:1068
    • 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\192cc3439a33ba7992518cf85a8e439bbf566bdaf083d7528a67af9c65cdb998.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:2244
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\192cc3439a33ba7992518cf85a8e439bbf566bdaf083d7528a67af9c65cdb998.dll,#1
              3⤵
              • Loads dropped DLL
              • Suspicious use of WriteProcessMemory
              PID:2120
              • C:\Users\Admin\AppData\Local\Temp\f762349.exe
                C:\Users\Admin\AppData\Local\Temp\f762349.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
                • Suspicious behavior: EnumeratesProcesses
                • Suspicious use of AdjustPrivilegeToken
                • Suspicious use of WriteProcessMemory
                • System policy modification
                PID:3036
              • C:\Users\Admin\AppData\Local\Temp\f7624df.exe
                C:\Users\Admin\AppData\Local\Temp\f7624df.exe
                4⤵
                • Executes dropped EXE
                PID:2468
              • C:\Users\Admin\AppData\Local\Temp\f763ed4.exe
                C:\Users\Admin\AppData\Local\Temp\f763ed4.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
                • Suspicious behavior: EnumeratesProcesses
                • Suspicious use of AdjustPrivilegeToken
                • Suspicious use of WriteProcessMemory
                • System policy modification
                PID:1844
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:2308

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          • C:\Windows\SYSTEM.INI

            Filesize

            257B

            MD5

            6fd5ba07e64c2cf5a46fbd70825d1584

            SHA1

            720765a86282234a94a0074b719652e52b7a62d6

            SHA256

            ea5054602c969bcd31cc826c08cd1c653be104d59bb071626ed192772c500e57

            SHA512

            7be8dceabb9e35431d87406df73dac4e9f4ee474c1a6e765c0ee881fb98b12020804c695b41a5e5897b927b4377ab26ff335c6515573fdb6bc7033e636a223b7

          • \Users\Admin\AppData\Local\Temp\f762349.exe

            Filesize

            97KB

            MD5

            7b8824b160df136b399b500681fddac6

            SHA1

            bd6cdf7d31592f1c8e2532303d7b5ec6ff03b6b5

            SHA256

            68e48e626914158fdf62148619a4f718ea1037edf0f23c00e280398e8765b769

            SHA512

            ebb772920b7e8cc8a50f9e36f06e18dfbdb1a0387787b3d09ac4c77635e81c1cb2911d9d60adea04be5601297608c4bb11949ae7b97977b7a554ebb261f060e0

          • memory/1068-28-0x0000000000250000-0x0000000000252000-memory.dmp

            Filesize

            8KB

          • memory/1844-103-0x00000000001C0000-0x00000000001C1000-memory.dmp

            Filesize

            4KB

          • memory/1844-106-0x00000000001B0000-0x00000000001B2000-memory.dmp

            Filesize

            8KB

          • memory/1844-210-0x0000000000920000-0x00000000019DA000-memory.dmp

            Filesize

            16.7MB

          • memory/1844-169-0x0000000000920000-0x00000000019DA000-memory.dmp

            Filesize

            16.7MB

          • memory/1844-83-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/1844-211-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/1844-104-0x00000000001B0000-0x00000000001B2000-memory.dmp

            Filesize

            8KB

          • memory/2120-4-0x00000000001F0000-0x0000000000202000-memory.dmp

            Filesize

            72KB

          • memory/2120-38-0x00000000008C0000-0x00000000008C1000-memory.dmp

            Filesize

            4KB

          • memory/2120-47-0x00000000008C0000-0x00000000008C1000-memory.dmp

            Filesize

            4KB

          • memory/2120-1-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2120-10-0x00000000001F0000-0x0000000000202000-memory.dmp

            Filesize

            72KB

          • memory/2120-58-0x00000000008B0000-0x00000000008B2000-memory.dmp

            Filesize

            8KB

          • memory/2120-62-0x00000000008D0000-0x00000000008E2000-memory.dmp

            Filesize

            72KB

          • memory/2120-82-0x00000000001F0000-0x00000000001F2000-memory.dmp

            Filesize

            8KB

          • memory/2120-60-0x00000000008B0000-0x00000000008B2000-memory.dmp

            Filesize

            8KB

          • memory/2120-37-0x00000000008B0000-0x00000000008B2000-memory.dmp

            Filesize

            8KB

          • memory/2468-96-0x0000000000230000-0x0000000000231000-memory.dmp

            Filesize

            4KB

          • memory/2468-105-0x0000000000220000-0x0000000000222000-memory.dmp

            Filesize

            8KB

          • memory/2468-61-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2468-97-0x0000000000220000-0x0000000000222000-memory.dmp

            Filesize

            8KB

          • memory/2468-177-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/3036-19-0x00000000006F0000-0x00000000017AA000-memory.dmp

            Filesize

            16.7MB

          • memory/3036-22-0x00000000006F0000-0x00000000017AA000-memory.dmp

            Filesize

            16.7MB

          • memory/3036-64-0x00000000006F0000-0x00000000017AA000-memory.dmp

            Filesize

            16.7MB

          • memory/3036-65-0x00000000006F0000-0x00000000017AA000-memory.dmp

            Filesize

            16.7MB

          • memory/3036-67-0x00000000006F0000-0x00000000017AA000-memory.dmp

            Filesize

            16.7MB

          • memory/3036-66-0x00000000006F0000-0x00000000017AA000-memory.dmp

            Filesize

            16.7MB

          • memory/3036-69-0x00000000006F0000-0x00000000017AA000-memory.dmp

            Filesize

            16.7MB

          • memory/3036-70-0x00000000006F0000-0x00000000017AA000-memory.dmp

            Filesize

            16.7MB

          • memory/3036-18-0x00000000006F0000-0x00000000017AA000-memory.dmp

            Filesize

            16.7MB

          • memory/3036-21-0x00000000006F0000-0x00000000017AA000-memory.dmp

            Filesize

            16.7MB

          • memory/3036-84-0x00000000006F0000-0x00000000017AA000-memory.dmp

            Filesize

            16.7MB

          • memory/3036-85-0x00000000006F0000-0x00000000017AA000-memory.dmp

            Filesize

            16.7MB

          • memory/3036-88-0x00000000006F0000-0x00000000017AA000-memory.dmp

            Filesize

            16.7MB

          • memory/3036-63-0x00000000006F0000-0x00000000017AA000-memory.dmp

            Filesize

            16.7MB

          • memory/3036-53-0x0000000002D80000-0x0000000002D82000-memory.dmp

            Filesize

            8KB

          • memory/3036-49-0x0000000002D80000-0x0000000002D82000-memory.dmp

            Filesize

            8KB

          • memory/3036-48-0x0000000003CE0000-0x0000000003CE1000-memory.dmp

            Filesize

            4KB

          • memory/3036-16-0x00000000006F0000-0x00000000017AA000-memory.dmp

            Filesize

            16.7MB

          • memory/3036-15-0x00000000006F0000-0x00000000017AA000-memory.dmp

            Filesize

            16.7MB

          • memory/3036-108-0x00000000006F0000-0x00000000017AA000-memory.dmp

            Filesize

            16.7MB

          • memory/3036-125-0x0000000002D80000-0x0000000002D82000-memory.dmp

            Filesize

            8KB

          • memory/3036-155-0x00000000006F0000-0x00000000017AA000-memory.dmp

            Filesize

            16.7MB

          • memory/3036-156-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/3036-14-0x00000000006F0000-0x00000000017AA000-memory.dmp

            Filesize

            16.7MB

          • memory/3036-20-0x00000000006F0000-0x00000000017AA000-memory.dmp

            Filesize

            16.7MB

          • memory/3036-17-0x00000000006F0000-0x00000000017AA000-memory.dmp

            Filesize

            16.7MB

          • memory/3036-12-0x00000000006F0000-0x00000000017AA000-memory.dmp

            Filesize

            16.7MB

          • memory/3036-11-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB