Analysis

  • max time kernel
    119s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    17-12-2024 09:14

General

  • Target

    43753f84a091d72426c49766e9daa08287454ad0857b48d5c7d4d22d2cb617dcN.dll

  • Size

    120KB

  • MD5

    bd6bf24c554754411363eefd3564fcf0

  • SHA1

    914af87f26d03a0bb163550d32160613884d65c9

  • SHA256

    43753f84a091d72426c49766e9daa08287454ad0857b48d5c7d4d22d2cb617dc

  • SHA512

    c749be361269bc2ae69524547ffedcda306b222957ffc65eaed7f9c587083f58c3affce0f09b5d69353556c6ee95618006ecf68186bebf99cd1539c59f3b3aba

  • SSDEEP

    1536:MqEFDRUCUFxB4QIEwW3ClSP/AB9WYdFXaJWgDaxUUF/Kb6uNYkkM:nCt+xB5IEGl4HfaaU1o6CYVM

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 12 IoCs

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

  • UPX packed file 23 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:1208
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1248
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\43753f84a091d72426c49766e9daa08287454ad0857b48d5c7d4d22d2cb617dcN.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:3052
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\43753f84a091d72426c49766e9daa08287454ad0857b48d5c7d4d22d2cb617dcN.dll,#1
              3⤵
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:2128
              • C:\Users\Admin\AppData\Local\Temp\f76d0c7.exe
                C:\Users\Admin\AppData\Local\Temp\f76d0c7.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:2164
              • C:\Users\Admin\AppData\Local\Temp\f76d74c.exe
                C:\Users\Admin\AppData\Local\Temp\f76d74c.exe
                4⤵
                • Executes dropped EXE
                PID:2744
              • C:\Users\Admin\AppData\Local\Temp\f76f43e.exe
                C:\Users\Admin\AppData\Local\Temp\f76f43e.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:1032
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:288

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          • C:\Windows\SYSTEM.INI

            Filesize

            257B

            MD5

            ad33af076a6471fe5366e7f90088571a

            SHA1

            1fd4466de01b815317169dce20cdbb7796e15c7f

            SHA256

            3888a3089245797d7dd1e16ecb13de9c759483f026466380b0411bb62c1d2a91

            SHA512

            0839ebb7b66518962f6ae1fd43072b6a963f04c4493377d877bc79636eae384e722c379b2d4094a29f4d86da76b4c975767fb28f3c60deab8cda79806723350f

          • \Users\Admin\AppData\Local\Temp\f76d0c7.exe

            Filesize

            97KB

            MD5

            aabf6e4da2db7e6d74322ceefa9c0313

            SHA1

            b77a121679d46601edf948f3d6f2f9f328c3cbdc

            SHA256

            9a345049bb944c3ec301048ff33d817f1e0f42786955794421ccb5859179b514

            SHA512

            3d2f3a8da1380b8d902de477a911833b6db34498cf9efdbd0d53744f48af9285edcd17eaa223fd2e84247b29e6b2320f82f79ef9dc006e49ed039551522d09b7

          • memory/1032-106-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/1032-105-0x00000000002B0000-0x00000000002B1000-memory.dmp

            Filesize

            4KB

          • memory/1032-205-0x0000000000990000-0x0000000001A4A000-memory.dmp

            Filesize

            16.7MB

          • memory/1032-107-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/1032-206-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/1032-159-0x0000000000990000-0x0000000001A4A000-memory.dmp

            Filesize

            16.7MB

          • memory/1032-161-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/1112-31-0x0000000000210000-0x0000000000212000-memory.dmp

            Filesize

            8KB

          • memory/2128-12-0x0000000000670000-0x0000000000682000-memory.dmp

            Filesize

            72KB

          • memory/2128-0-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2128-42-0x00000000006F0000-0x00000000006F1000-memory.dmp

            Filesize

            4KB

          • memory/2128-1-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2128-2-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2128-82-0x0000000000830000-0x0000000000842000-memory.dmp

            Filesize

            72KB

          • memory/2128-83-0x0000000000670000-0x0000000000672000-memory.dmp

            Filesize

            8KB

          • memory/2128-67-0x00000000006A0000-0x00000000006A2000-memory.dmp

            Filesize

            8KB

          • memory/2128-39-0x00000000006A0000-0x00000000006A2000-memory.dmp

            Filesize

            8KB

          • memory/2128-4-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2128-40-0x00000000006F0000-0x00000000006F1000-memory.dmp

            Filesize

            4KB

          • memory/2128-44-0x00000000006A0000-0x00000000006A2000-memory.dmp

            Filesize

            8KB

          • memory/2164-65-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2164-24-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2164-63-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2164-64-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2164-13-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2164-54-0x00000000003F0000-0x00000000003F2000-memory.dmp

            Filesize

            8KB

          • memory/2164-18-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2164-68-0x00000000003F0000-0x00000000003F2000-memory.dmp

            Filesize

            8KB

          • memory/2164-69-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2164-70-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2164-20-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2164-22-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2164-85-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2164-86-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2164-15-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2164-52-0x0000000001660000-0x0000000001661000-memory.dmp

            Filesize

            4KB

          • memory/2164-25-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2164-19-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2164-23-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2164-17-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2164-109-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2164-110-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2164-112-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2164-21-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2164-148-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2164-147-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2744-152-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2744-126-0x0000000000360000-0x0000000000362000-memory.dmp

            Filesize

            8KB

          • memory/2744-95-0x0000000000360000-0x0000000000362000-memory.dmp

            Filesize

            8KB

          • memory/2744-104-0x00000000003F0000-0x00000000003F1000-memory.dmp

            Filesize

            4KB

          • memory/2744-103-0x0000000000360000-0x0000000000362000-memory.dmp

            Filesize

            8KB

          • memory/2744-62-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB