Analysis

  • max time kernel
    118s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    11-12-2024 21:48

General

  • Target

    51aa340623368e3706835cfb3cd429fca217bc7cf269e8f70491728114614a3f.dll

  • Size

    120KB

  • MD5

    6bceed4cb39bc230e5cc874ec8c1b0a4

  • SHA1

    027361fffff1ecf051c5937dbd39191bf3254392

  • SHA256

    51aa340623368e3706835cfb3cd429fca217bc7cf269e8f70491728114614a3f

  • SHA512

    3e42c2617986ad266f8986a738fa0ba1a9654842754adc0e5f478e8688de8c3a3a7ae6c1bf06b0baa4765a234278d47064ec625953f6de857ea79646771d1890

  • SSDEEP

    1536:JMsjQe8wO6Bf9ilPScPlKMgui0hjIxOMRKb+e128q/bllNGTZP4bzG90kb4uY6OX:DMelipScuKxMRK6e7YYTZPM60kk7L

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 14 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:1116
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1176
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1204
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\51aa340623368e3706835cfb3cd429fca217bc7cf269e8f70491728114614a3f.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:2360
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\51aa340623368e3706835cfb3cd429fca217bc7cf269e8f70491728114614a3f.dll,#1
              3⤵
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:3052
              • C:\Users\Admin\AppData\Local\Temp\f76a045.exe
                C:\Users\Admin\AppData\Local\Temp\f76a045.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:2912
              • C:\Users\Admin\AppData\Local\Temp\f76a64d.exe
                C:\Users\Admin\AppData\Local\Temp\f76a64d.exe
                4⤵
                • Executes dropped EXE
                PID:2776
              • C:\Users\Admin\AppData\Local\Temp\f76bce9.exe
                C:\Users\Admin\AppData\Local\Temp\f76bce9.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:2884
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:1500

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\Windows\SYSTEM.INI

            Filesize

            257B

            MD5

            471651e07e54bfd5bc13ad85b623e33b

            SHA1

            88377efe0e83a5ca9f52321a2add5294b35488d2

            SHA256

            8799b3e7fc941dd923005591d33bd627ab9c855e07a0505d292e0fb8e7fbfbd9

            SHA512

            b2fad5d7b52671561ac65c794ecc729fb606fc90ac7017f55b0357429ed9024fe8c1b3ca4030f8c3796c84311e4af4a2096758e64d9392ae84d23dd402971850

          • \Users\Admin\AppData\Local\Temp\f76a045.exe

            Filesize

            97KB

            MD5

            f4d28327be95ad4d0f1a8039bf023651

            SHA1

            090841eaae18089cc9d39d5d1615c7c6bac46435

            SHA256

            3fd2214d9e2c5d638799440f9a1152aee6c00eadd2c2822fa78d9d3a8c4bd3fe

            SHA512

            e48d14015c3c8c372950876052a981e017f60c9705f922bc0952838cbee5f729db8ba85648d7fd00cf47331129933279d00464b85d68021f5e7e1c2e5a1a8878

          • memory/1116-26-0x0000000001FB0000-0x0000000001FB2000-memory.dmp

            Filesize

            8KB

          • memory/2776-98-0x00000000003F0000-0x00000000003F1000-memory.dmp

            Filesize

            4KB

          • memory/2776-153-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2776-127-0x00000000003E0000-0x00000000003E2000-memory.dmp

            Filesize

            8KB

          • memory/2776-54-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2776-99-0x00000000003E0000-0x00000000003E2000-memory.dmp

            Filesize

            8KB

          • memory/2776-100-0x00000000003E0000-0x00000000003E2000-memory.dmp

            Filesize

            8KB

          • memory/2884-165-0x0000000000910000-0x00000000019CA000-memory.dmp

            Filesize

            16.7MB

          • memory/2884-166-0x00000000001F0000-0x00000000001F2000-memory.dmp

            Filesize

            8KB

          • memory/2884-201-0x0000000000910000-0x00000000019CA000-memory.dmp

            Filesize

            16.7MB

          • memory/2884-106-0x00000000002C0000-0x00000000002C1000-memory.dmp

            Filesize

            4KB

          • memory/2884-108-0x00000000001F0000-0x00000000001F2000-memory.dmp

            Filesize

            8KB

          • memory/2884-200-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2912-15-0x00000000005D0000-0x000000000168A000-memory.dmp

            Filesize

            16.7MB

          • memory/2912-82-0x00000000005D0000-0x000000000168A000-memory.dmp

            Filesize

            16.7MB

          • memory/2912-60-0x0000000003000000-0x0000000003002000-memory.dmp

            Filesize

            8KB

          • memory/2912-42-0x0000000004230000-0x0000000004231000-memory.dmp

            Filesize

            4KB

          • memory/2912-12-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2912-16-0x00000000005D0000-0x000000000168A000-memory.dmp

            Filesize

            16.7MB

          • memory/2912-18-0x00000000005D0000-0x000000000168A000-memory.dmp

            Filesize

            16.7MB

          • memory/2912-59-0x0000000003000000-0x0000000003002000-memory.dmp

            Filesize

            8KB

          • memory/2912-149-0x00000000005D0000-0x000000000168A000-memory.dmp

            Filesize

            16.7MB

          • memory/2912-148-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2912-20-0x00000000005D0000-0x000000000168A000-memory.dmp

            Filesize

            16.7MB

          • memory/2912-61-0x00000000005D0000-0x000000000168A000-memory.dmp

            Filesize

            16.7MB

          • memory/2912-62-0x00000000005D0000-0x000000000168A000-memory.dmp

            Filesize

            16.7MB

          • memory/2912-63-0x00000000005D0000-0x000000000168A000-memory.dmp

            Filesize

            16.7MB

          • memory/2912-64-0x00000000005D0000-0x000000000168A000-memory.dmp

            Filesize

            16.7MB

          • memory/2912-66-0x00000000005D0000-0x000000000168A000-memory.dmp

            Filesize

            16.7MB

          • memory/2912-65-0x00000000005D0000-0x000000000168A000-memory.dmp

            Filesize

            16.7MB

          • memory/2912-110-0x00000000005D0000-0x000000000168A000-memory.dmp

            Filesize

            16.7MB

          • memory/2912-109-0x00000000005D0000-0x000000000168A000-memory.dmp

            Filesize

            16.7MB

          • memory/2912-80-0x00000000005D0000-0x000000000168A000-memory.dmp

            Filesize

            16.7MB

          • memory/2912-81-0x00000000005D0000-0x000000000168A000-memory.dmp

            Filesize

            16.7MB

          • memory/2912-22-0x00000000005D0000-0x000000000168A000-memory.dmp

            Filesize

            16.7MB

          • memory/2912-84-0x0000000003000000-0x0000000003002000-memory.dmp

            Filesize

            8KB

          • memory/2912-86-0x00000000005D0000-0x000000000168A000-memory.dmp

            Filesize

            16.7MB

          • memory/2912-19-0x00000000005D0000-0x000000000168A000-memory.dmp

            Filesize

            16.7MB

          • memory/2912-23-0x00000000005D0000-0x000000000168A000-memory.dmp

            Filesize

            16.7MB

          • memory/2912-21-0x00000000005D0000-0x000000000168A000-memory.dmp

            Filesize

            16.7MB

          • memory/2912-24-0x00000000005D0000-0x000000000168A000-memory.dmp

            Filesize

            16.7MB

          • memory/2912-17-0x00000000005D0000-0x000000000168A000-memory.dmp

            Filesize

            16.7MB

          • memory/2912-87-0x00000000005D0000-0x000000000168A000-memory.dmp

            Filesize

            16.7MB

          • memory/3052-75-0x0000000000130000-0x0000000000132000-memory.dmp

            Filesize

            8KB

          • memory/3052-78-0x0000000000100000-0x0000000000102000-memory.dmp

            Filesize

            8KB

          • memory/3052-51-0x0000000000200000-0x0000000000212000-memory.dmp

            Filesize

            72KB

          • memory/3052-52-0x0000000000130000-0x0000000000132000-memory.dmp

            Filesize

            8KB

          • memory/3052-2-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/3052-33-0x0000000000130000-0x0000000000132000-memory.dmp

            Filesize

            8KB

          • memory/3052-34-0x0000000000140000-0x0000000000141000-memory.dmp

            Filesize

            4KB

          • memory/3052-11-0x0000000000100000-0x0000000000112000-memory.dmp

            Filesize

            72KB

          • memory/3052-36-0x0000000000140000-0x0000000000141000-memory.dmp

            Filesize

            4KB

          • memory/3052-10-0x0000000000100000-0x0000000000112000-memory.dmp

            Filesize

            72KB

          • memory/3052-0-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/3052-202-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB