Analysis

  • max time kernel
    28s
  • max time network
    16s
  • platform
    windows7_x64
  • resource
    win7-20240729-en
  • resource tags

    arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
  • submitted
    31-12-2024 23:33

General

  • Target

    1b459d6f4a5d5b3c83de75b4f67b5751cae4418e8991ac3095adbbaf18179572N.dll

  • Size

    120KB

  • MD5

    5e96a38859ec4dcfdf400bb9d15f4430

  • SHA1

    b931c98316098ae778533ad5f1f9d91014947139

  • SHA256

    1b459d6f4a5d5b3c83de75b4f67b5751cae4418e8991ac3095adbbaf18179572

  • SHA512

    832e9aed08044a5f2ef68efa5677d75094a9512fccc6077bcc1f1b6f8423d7a7bf163401fe38811e0c2ce0ba9631c62ce7e17546b83269591bca9aaa5aa0e707

  • SSDEEP

    1536:1Y1FiVBfFMD2t24xhavYudheWgGQiO5BmnuoXbq+B608yP0tVCcBy+o:1CFyB9MShkve3mnuorq+i2iPBy+o

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 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 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:1124
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1196
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1264
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\1b459d6f4a5d5b3c83de75b4f67b5751cae4418e8991ac3095adbbaf18179572N.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:2252
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\1b459d6f4a5d5b3c83de75b4f67b5751cae4418e8991ac3095adbbaf18179572N.dll,#1
              3⤵
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:2368
              • C:\Users\Admin\AppData\Local\Temp\f76c8fa.exe
                C:\Users\Admin\AppData\Local\Temp\f76c8fa.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:2100
              • C:\Users\Admin\AppData\Local\Temp\f76caaf.exe
                C:\Users\Admin\AppData\Local\Temp\f76caaf.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:2888
              • C:\Users\Admin\AppData\Local\Temp\f76e782.exe
                C:\Users\Admin\AppData\Local\Temp\f76e782.exe
                4⤵
                • Executes dropped EXE
                PID:2864
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:1744

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          • C:\Users\Admin\AppData\Local\Temp\f76c8fa.exe

            Filesize

            97KB

            MD5

            b6c319b4bc2245757d01e8cea57559d5

            SHA1

            398552525399e9c365f1f2ca497e75bcf9e12db9

            SHA256

            bb628de3a1961838c2079c2996b849b37b272775adc6bffb14f5d6e1d35b7838

            SHA512

            fb79b7d5159ba0b1718d9d5a8d6dac0fc5d62dbfd09197b1128f4126d65b306cb23ee1f7709e7a6b174aa2e53e5876e2f4f413d282fa27b003e28a876ac90a27

          • C:\Windows\SYSTEM.INI

            Filesize

            257B

            MD5

            a2b22db527a73ef8b561af3cb1d69162

            SHA1

            6fa44d188d0c69e7c32e65b996a9a17c074cb381

            SHA256

            74ef75fef6f2c0f2785106dd6b72ec1e8671f77d9558baaec671574ce573367b

            SHA512

            49b7f834fdce0771f6f73891b6ec1670b10c0d25634d7c2ee3fc98c7da55e5ee937bd7193d2eb50d9704aa92864cb8e06c8f97cf106756466506cdda15a3719a

          • memory/1124-27-0x0000000000340000-0x0000000000342000-memory.dmp

            Filesize

            8KB

          • memory/2100-21-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/2100-13-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/2100-45-0x00000000004F0000-0x00000000004F1000-memory.dmp

            Filesize

            4KB

          • memory/2100-18-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/2100-86-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/2100-14-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/2100-16-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/2100-20-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/2100-47-0x00000000004E0000-0x00000000004E2000-memory.dmp

            Filesize

            8KB

          • memory/2100-10-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2100-149-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/2100-19-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/2100-101-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/2100-68-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/2100-15-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/2100-11-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/2100-55-0x00000000004E0000-0x00000000004E2000-memory.dmp

            Filesize

            8KB

          • memory/2100-85-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/2100-84-0x00000000004E0000-0x00000000004E2000-memory.dmp

            Filesize

            8KB

          • memory/2100-148-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2100-17-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/2100-69-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/2100-59-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/2100-62-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/2100-63-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/2100-64-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/2100-60-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/2100-66-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/2100-67-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/2368-57-0x00000000001E0000-0x00000000001E2000-memory.dmp

            Filesize

            8KB

          • memory/2368-56-0x00000000002A0000-0x00000000002B2000-memory.dmp

            Filesize

            72KB

          • memory/2368-9-0x00000000001C0000-0x00000000001D2000-memory.dmp

            Filesize

            72KB

          • memory/2368-77-0x00000000001E0000-0x00000000001E2000-memory.dmp

            Filesize

            8KB

          • memory/2368-34-0x00000000001E0000-0x00000000001E2000-memory.dmp

            Filesize

            8KB

          • memory/2368-35-0x00000000001F0000-0x00000000001F1000-memory.dmp

            Filesize

            4KB

          • memory/2368-44-0x00000000001F0000-0x00000000001F1000-memory.dmp

            Filesize

            4KB

          • memory/2368-8-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2368-54-0x00000000001E0000-0x00000000001E2000-memory.dmp

            Filesize

            8KB

          • memory/2864-105-0x00000000003E0000-0x00000000003E2000-memory.dmp

            Filesize

            8KB

          • memory/2864-196-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2864-100-0x00000000003F0000-0x00000000003F1000-memory.dmp

            Filesize

            4KB

          • memory/2864-103-0x00000000003E0000-0x00000000003E2000-memory.dmp

            Filesize

            8KB

          • memory/2864-81-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2864-129-0x00000000003E0000-0x00000000003E2000-memory.dmp

            Filesize

            8KB

          • memory/2888-96-0x00000000003B0000-0x00000000003B1000-memory.dmp

            Filesize

            4KB

          • memory/2888-61-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2888-128-0x0000000000360000-0x0000000000362000-memory.dmp

            Filesize

            8KB

          • memory/2888-104-0x0000000000360000-0x0000000000362000-memory.dmp

            Filesize

            8KB

          • memory/2888-161-0x0000000000A60000-0x0000000001B1A000-memory.dmp

            Filesize

            16.7MB

          • memory/2888-191-0x0000000000A60000-0x0000000001B1A000-memory.dmp

            Filesize

            16.7MB

          • memory/2888-192-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2888-102-0x0000000000360000-0x0000000000362000-memory.dmp

            Filesize

            8KB