Analysis

  • max time kernel
    122s
  • max time network
    128s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    26-01-2025 22:18

General

  • Target

    4cb176ae9f64ce1acde8b08ef87961b772755aaa0c576577dba3e722359c2c08.dll

  • Size

    120KB

  • MD5

    99d3d1d12137a80e427e3c638138b249

  • SHA1

    526cc3b64e4302cec7a185d3895950b9e74c65c8

  • SHA256

    4cb176ae9f64ce1acde8b08ef87961b772755aaa0c576577dba3e722359c2c08

  • SHA512

    1c76be9fd186b20eb28ce3851ffce488496eea70693a9709b1b3ac73865c53549fb8b1dce1b1bd30f5026d80993d7b6c3397f2c513fcd5e6fafe4440a3c0e242

  • SSDEEP

    1536:aDzX5fkdb7kFgJ3PzewikMbcpO7d0zSO561z5sMY3NrqEsJyMAVIIajDv8HIY+r5:aDloQFIPzj4Jd056LYdufJyUjD7rBf

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 16 IoCs

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

  • UPX packed file 25 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 38 IoCs
  • System policy modification 1 TTPs 2 IoCs

Processes

  • C:\Windows\system32\taskhost.exe
    "taskhost.exe"
    1⤵
      PID:1104
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1168
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1200
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\4cb176ae9f64ce1acde8b08ef87961b772755aaa0c576577dba3e722359c2c08.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:2396
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\4cb176ae9f64ce1acde8b08ef87961b772755aaa0c576577dba3e722359c2c08.dll,#1
              3⤵
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:840
              • C:\Users\Admin\AppData\Local\Temp\f76ed5b.exe
                C:\Users\Admin\AppData\Local\Temp\f76ed5b.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:2744
              • C:\Users\Admin\AppData\Local\Temp\f76ef20.exe
                C:\Users\Admin\AppData\Local\Temp\f76ef20.exe
                4⤵
                • Executes dropped EXE
                PID:2600
              • C:\Users\Admin\AppData\Local\Temp\f770925.exe
                C:\Users\Admin\AppData\Local\Temp\f770925.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:2788
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:1860

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          • C:\Windows\SYSTEM.INI

            Filesize

            257B

            MD5

            911415e2d6047f0d250526f5805ab9b0

            SHA1

            947fbdac374f281fbe872583fdb282d4ecde9417

            SHA256

            53c727e89e98b05324d6aa602f8c8a74858db230c347c7b203d6452168043684

            SHA512

            31ae86aa93f60a9da98428fe35d5f931ead0bf9c294b63156b5be85e6eb53b2ff15f315c4e9486e331a9fe20010ce7f04f931227174c9850575ea7c2d65aa7a5

          • \Users\Admin\AppData\Local\Temp\f76ed5b.exe

            Filesize

            97KB

            MD5

            48d1b6ae308b7b7c8862bc81455d57b1

            SHA1

            9411204ae301b25d1ef8812a99ab333c28ea9a7a

            SHA256

            7e853fd668f4eb54e18f71faf5b6142827bba2caf1b0c76e399bd8bd486c4fb3

            SHA512

            c79f8b9d315769612cc94ff93c23a6f12b598520ba71bd7d87255cc4396cb00d047b3ecfe5c6e9b7a91c25159e42026cc0890fa0dd169ecd721f103d805a3495

          • memory/840-53-0x00000000002E0000-0x00000000002F2000-memory.dmp

            Filesize

            72KB

          • memory/840-34-0x0000000000250000-0x0000000000251000-memory.dmp

            Filesize

            4KB

          • memory/840-0-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/840-13-0x0000000000140000-0x0000000000152000-memory.dmp

            Filesize

            72KB

          • memory/840-12-0x0000000000140000-0x0000000000152000-memory.dmp

            Filesize

            72KB

          • memory/840-51-0x0000000000180000-0x0000000000182000-memory.dmp

            Filesize

            8KB

          • memory/840-54-0x0000000000180000-0x0000000000182000-memory.dmp

            Filesize

            8KB

          • memory/840-3-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/840-33-0x0000000000180000-0x0000000000182000-memory.dmp

            Filesize

            8KB

          • memory/840-2-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/840-43-0x0000000000250000-0x0000000000251000-memory.dmp

            Filesize

            4KB

          • memory/840-1-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/840-83-0x0000000000300000-0x0000000000312000-memory.dmp

            Filesize

            72KB

          • memory/840-82-0x0000000000300000-0x0000000000312000-memory.dmp

            Filesize

            72KB

          • memory/840-78-0x0000000000180000-0x0000000000182000-memory.dmp

            Filesize

            8KB

          • memory/840-86-0x0000000000140000-0x0000000000142000-memory.dmp

            Filesize

            8KB

          • memory/1104-25-0x0000000000320000-0x0000000000322000-memory.dmp

            Filesize

            8KB

          • memory/2600-105-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2600-104-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2600-162-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2600-134-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2600-100-0x0000000000330000-0x0000000000331000-memory.dmp

            Filesize

            4KB

          • memory/2600-177-0x0000000000920000-0x00000000019DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2600-55-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2744-64-0x0000000000680000-0x000000000173A000-memory.dmp

            Filesize

            16.7MB

          • memory/2744-89-0x0000000000680000-0x000000000173A000-memory.dmp

            Filesize

            16.7MB

          • memory/2744-61-0x00000000002D0000-0x00000000002D2000-memory.dmp

            Filesize

            8KB

          • memory/2744-63-0x0000000000680000-0x000000000173A000-memory.dmp

            Filesize

            16.7MB

          • memory/2744-19-0x0000000000680000-0x000000000173A000-memory.dmp

            Filesize

            16.7MB

          • memory/2744-65-0x0000000000680000-0x000000000173A000-memory.dmp

            Filesize

            16.7MB

          • memory/2744-66-0x0000000000680000-0x000000000173A000-memory.dmp

            Filesize

            16.7MB

          • memory/2744-68-0x0000000000680000-0x000000000173A000-memory.dmp

            Filesize

            16.7MB

          • memory/2744-69-0x0000000000680000-0x000000000173A000-memory.dmp

            Filesize

            16.7MB

          • memory/2744-70-0x0000000000680000-0x000000000173A000-memory.dmp

            Filesize

            16.7MB

          • memory/2744-14-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2744-41-0x00000000002E0000-0x00000000002E1000-memory.dmp

            Filesize

            4KB

          • memory/2744-20-0x0000000000680000-0x000000000173A000-memory.dmp

            Filesize

            16.7MB

          • memory/2744-23-0x0000000000680000-0x000000000173A000-memory.dmp

            Filesize

            16.7MB

          • memory/2744-42-0x0000000000680000-0x000000000173A000-memory.dmp

            Filesize

            16.7MB

          • memory/2744-85-0x0000000000680000-0x000000000173A000-memory.dmp

            Filesize

            16.7MB

          • memory/2744-87-0x0000000000680000-0x000000000173A000-memory.dmp

            Filesize

            16.7MB

          • memory/2744-62-0x00000000002D0000-0x00000000002D2000-memory.dmp

            Filesize

            8KB

          • memory/2744-91-0x0000000000680000-0x000000000173A000-memory.dmp

            Filesize

            16.7MB

          • memory/2744-15-0x0000000000680000-0x000000000173A000-memory.dmp

            Filesize

            16.7MB

          • memory/2744-18-0x0000000000680000-0x000000000173A000-memory.dmp

            Filesize

            16.7MB

          • memory/2744-157-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2744-24-0x0000000000680000-0x000000000173A000-memory.dmp

            Filesize

            16.7MB

          • memory/2744-21-0x0000000000680000-0x000000000173A000-memory.dmp

            Filesize

            16.7MB

          • memory/2744-22-0x0000000000680000-0x000000000173A000-memory.dmp

            Filesize

            16.7MB

          • memory/2744-17-0x0000000000680000-0x000000000173A000-memory.dmp

            Filesize

            16.7MB

          • memory/2744-158-0x0000000000680000-0x000000000173A000-memory.dmp

            Filesize

            16.7MB

          • memory/2788-110-0x0000000000270000-0x0000000000272000-memory.dmp

            Filesize

            8KB

          • memory/2788-108-0x0000000000280000-0x0000000000281000-memory.dmp

            Filesize

            4KB

          • memory/2788-109-0x0000000000270000-0x0000000000272000-memory.dmp

            Filesize

            8KB

          • memory/2788-178-0x0000000000910000-0x00000000019CA000-memory.dmp

            Filesize

            16.7MB

          • memory/2788-84-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2788-216-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2788-215-0x0000000000910000-0x00000000019CA000-memory.dmp

            Filesize

            16.7MB