Analysis

  • max time kernel
    120s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    22-12-2024 20:08

General

  • Target

    191939b1abf0699f75e05e0b66cbf440c0f1e52f943295fe235a7a8da168bc98.dll

  • Size

    120KB

  • MD5

    f4cf9357e33cff6728cc7a13e5abfd11

  • SHA1

    1bd6a7c6313962363031641aa64ad27d142c76df

  • SHA256

    191939b1abf0699f75e05e0b66cbf440c0f1e52f943295fe235a7a8da168bc98

  • SHA512

    dbea9ac3f3b74225b812dc74aec38c7acc511fb76f008937e7a7f5aeb8c5f4d1dfedd5d6497d4ccfc4a12cb864e214d48703434563db6bb87043bc33054382d2

  • SSDEEP

    1536:skGQ2bUozt646GLLAHLK2pQnnMFeI9fLZD/9PYi2FMZnEo2P36:jGpz5L8LKi3jZWinOP

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 9 IoCs
  • Sality

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

  • Sality family
  • UAC bypass 3 TTPs 3 IoCs
  • Windows security bypass 2 TTPs 18 IoCs
  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 6 IoCs
  • Windows security modification 2 TTPs 21 IoCs
  • Checks whether UAC is enabled 1 TTPs 3 IoCs
  • Enumerates connected drives 3 TTPs 17 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 4 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 3 IoCs

Processes

  • C:\Windows\system32\taskhost.exe
    "taskhost.exe"
    1⤵
      PID:1100
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1148
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1184
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\191939b1abf0699f75e05e0b66cbf440c0f1e52f943295fe235a7a8da168bc98.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:1304
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\191939b1abf0699f75e05e0b66cbf440c0f1e52f943295fe235a7a8da168bc98.dll,#1
              3⤵
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:1600
              • C:\Users\Admin\AppData\Local\Temp\f76b05b.exe
                C:\Users\Admin\AppData\Local\Temp\f76b05b.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:2572
              • C:\Users\Admin\AppData\Local\Temp\f76b210.exe
                C:\Users\Admin\AppData\Local\Temp\f76b210.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 policy modification
                PID:2236
              • C:\Users\Admin\AppData\Local\Temp\f76cc35.exe
                C:\Users\Admin\AppData\Local\Temp\f76cc35.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:2676
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:2008

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          • C:\Windows\SYSTEM.INI

            Filesize

            257B

            MD5

            b3de0c859612374414de27a0a0abfb38

            SHA1

            c9314c02486c503332854c8cc6e5ee8db05f0296

            SHA256

            f6ee2fe836ee26486b708cdd5443e6dff41ebab883f14f930d2dfe6becc0a49e

            SHA512

            13d8cb6a5464626e2404e96a2a3647602b6fe987c6cc4ca4b89c9b473532bf467f6182653c31bd63b52b72b456f0732c624b8dbbf3f9ecb98475b561d4a7fc14

          • \Users\Admin\AppData\Local\Temp\f76b05b.exe

            Filesize

            97KB

            MD5

            8500ca715d19d7f4aed2e76390f768d3

            SHA1

            4b2aaf4dc89adc9d4610a5b61d549bdf7c816fe4

            SHA256

            6c531609332fdc02ba2270f722fe3b348386a7fac8bf8a53b255a8abd73d940a

            SHA512

            f4bc7c358c6afe0270d7ebb361bbdadcef32cccd2995d0b3eb3122132040f470d8739cf50af6f330df66ff7084248a8df81980c8f8ff5fff309997f673cc1315

          • memory/1100-28-0x0000000002010000-0x0000000002012000-memory.dmp

            Filesize

            8KB

          • memory/1600-44-0x0000000000140000-0x0000000000141000-memory.dmp

            Filesize

            4KB

          • memory/1600-4-0x00000000000C0000-0x00000000000D2000-memory.dmp

            Filesize

            72KB

          • memory/1600-78-0x00000000000C0000-0x00000000000C2000-memory.dmp

            Filesize

            8KB

          • memory/1600-1-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/1600-35-0x0000000000130000-0x0000000000132000-memory.dmp

            Filesize

            8KB

          • memory/1600-36-0x0000000000140000-0x0000000000141000-memory.dmp

            Filesize

            4KB

          • memory/1600-57-0x0000000000130000-0x0000000000132000-memory.dmp

            Filesize

            8KB

          • memory/1600-56-0x0000000000150000-0x0000000000162000-memory.dmp

            Filesize

            72KB

          • memory/1600-54-0x0000000000130000-0x0000000000132000-memory.dmp

            Filesize

            8KB

          • memory/2236-151-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2236-58-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2236-94-0x00000000002B0000-0x00000000002B1000-memory.dmp

            Filesize

            4KB

          • memory/2236-153-0x0000000000930000-0x00000000019EA000-memory.dmp

            Filesize

            16.7MB

          • memory/2236-99-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2236-101-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2236-206-0x0000000000930000-0x00000000019EA000-memory.dmp

            Filesize

            16.7MB

          • memory/2572-61-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/2572-84-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/2572-14-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/2572-13-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/2572-21-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/2572-59-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/2572-60-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/2572-17-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/2572-63-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/2572-62-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/2572-65-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/2572-66-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/2572-10-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2572-79-0x0000000000490000-0x0000000000492000-memory.dmp

            Filesize

            8KB

          • memory/2572-19-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/2572-81-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/2572-82-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/2572-16-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/2572-86-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/2572-15-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/2572-20-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/2572-18-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/2572-145-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2572-22-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/2572-47-0x0000000000490000-0x0000000000492000-memory.dmp

            Filesize

            8KB

          • memory/2572-104-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/2572-107-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/2572-146-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/2572-45-0x00000000016A0000-0x00000000016A1000-memory.dmp

            Filesize

            4KB

          • memory/2676-100-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2676-98-0x00000000002B0000-0x00000000002B1000-memory.dmp

            Filesize

            4KB

          • memory/2676-164-0x0000000000980000-0x0000000001A3A000-memory.dmp

            Filesize

            16.7MB

          • memory/2676-102-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2676-204-0x0000000000980000-0x0000000001A3A000-memory.dmp

            Filesize

            16.7MB

          • memory/2676-205-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2676-80-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB