Analysis

  • max time kernel
    27s
  • max time network
    17s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    11-12-2024 08:07

General

  • Target

    5c3cac249f15d8609a21d65c9eb9aa3952f038ec8ad66f8730ecd8db6ed00474N.dll

  • Size

    120KB

  • MD5

    1c6525d61a87ab19573777e738d828c0

  • SHA1

    5e6f407f8f091a9f83b9579a03833801881c557b

  • SHA256

    5c3cac249f15d8609a21d65c9eb9aa3952f038ec8ad66f8730ecd8db6ed00474

  • SHA512

    263203767e616bb277292d08ae11a147aea0a53c8d509c36110b6408e9b058d560c4756edd752d263ef986237b3611a39e2533ec0d562a8ea167acf17d551fde

  • SSDEEP

    1536:0I7o6tfzcbS8r8DMlsCBDM4kUeJSvtnrlIvAXSAARye0A3+YgfRMiFQNvu:0WcbJ8DGhBoZp+nrlRX/ARL3+Yg5Uvu

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 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:1168
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1216
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\5c3cac249f15d8609a21d65c9eb9aa3952f038ec8ad66f8730ecd8db6ed00474N.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:1292
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\5c3cac249f15d8609a21d65c9eb9aa3952f038ec8ad66f8730ecd8db6ed00474N.dll,#1
              3⤵
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:1928
              • C:\Users\Admin\AppData\Local\Temp\f76a026.exe
                C:\Users\Admin\AppData\Local\Temp\f76a026.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:2256
              • C:\Users\Admin\AppData\Local\Temp\f76a1db.exe
                C:\Users\Admin\AppData\Local\Temp\f76a1db.exe
                4⤵
                • Executes dropped EXE
                PID:2836
              • C:\Users\Admin\AppData\Local\Temp\f76bb92.exe
                C:\Users\Admin\AppData\Local\Temp\f76bb92.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:2660
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:1068

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          • C:\Windows\SYSTEM.INI

            Filesize

            257B

            MD5

            89325b4f2444e3e45a2cde6f9b7c8746

            SHA1

            9f1fe1467828cf85a5626e70a2762e3cee3478d9

            SHA256

            64a1ae2d3d644a9cba5d1acc5d894878967ffc7398d20f79b64b8d462f029a3b

            SHA512

            d659730e86f2a68be6d27acc109fa564215eccff447886b31f938b68b11d804aa4f35f641aa3a5d1904e8468ad5181548c9b94d576af8f6b2d92b26051665aa6

          • \Users\Admin\AppData\Local\Temp\f76a026.exe

            Filesize

            97KB

            MD5

            8e9c008d2f27e9ca72109f0d336591f3

            SHA1

            f384e682c729b136a67fb9a5c4e2c2b86a33381b

            SHA256

            07f943967e502e0cc192d712182fb41d02ee91e10fcca1d09216394f1c0aaaa2

            SHA512

            06ad75d172ddcf69e11b9dbad699c493194ccbc0bec305f2e6e5ad92d59c02e9f76d088963f7fbadb46a21cd8ea5edc76e5d5a5dbb77701e0c7f8f9be2dad4ab

          • memory/1112-26-0x00000000002E0000-0x00000000002E2000-memory.dmp

            Filesize

            8KB

          • memory/1928-85-0x0000000000310000-0x0000000000322000-memory.dmp

            Filesize

            72KB

          • memory/1928-75-0x0000000000310000-0x0000000000322000-memory.dmp

            Filesize

            72KB

          • memory/1928-1-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/1928-13-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/1928-12-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/1928-54-0x00000000001E0000-0x00000000001F2000-memory.dmp

            Filesize

            72KB

          • memory/1928-82-0x00000000001C0000-0x00000000001C2000-memory.dmp

            Filesize

            8KB

          • memory/1928-0-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/1928-2-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/1928-33-0x00000000001C0000-0x00000000001C2000-memory.dmp

            Filesize

            8KB

          • memory/1928-3-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/1928-52-0x00000000001C0000-0x00000000001C2000-memory.dmp

            Filesize

            8KB

          • memory/1928-34-0x00000000001D0000-0x00000000001D1000-memory.dmp

            Filesize

            4KB

          • memory/1928-43-0x00000000001D0000-0x00000000001D1000-memory.dmp

            Filesize

            4KB

          • memory/1928-55-0x00000000001C0000-0x00000000001C2000-memory.dmp

            Filesize

            8KB

          • memory/2256-25-0x00000000005B0000-0x000000000166A000-memory.dmp

            Filesize

            16.7MB

          • memory/2256-20-0x00000000005B0000-0x000000000166A000-memory.dmp

            Filesize

            16.7MB

          • memory/2256-23-0x00000000005B0000-0x000000000166A000-memory.dmp

            Filesize

            16.7MB

          • memory/2256-22-0x00000000005B0000-0x000000000166A000-memory.dmp

            Filesize

            16.7MB

          • memory/2256-19-0x00000000005B0000-0x000000000166A000-memory.dmp

            Filesize

            16.7MB

          • memory/2256-44-0x0000000000490000-0x0000000000491000-memory.dmp

            Filesize

            4KB

          • memory/2256-14-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2256-63-0x0000000000470000-0x0000000000472000-memory.dmp

            Filesize

            8KB

          • memory/2256-57-0x0000000000470000-0x0000000000472000-memory.dmp

            Filesize

            8KB

          • memory/2256-21-0x00000000005B0000-0x000000000166A000-memory.dmp

            Filesize

            16.7MB

          • memory/2256-18-0x00000000005B0000-0x000000000166A000-memory.dmp

            Filesize

            16.7MB

          • memory/2256-64-0x00000000005B0000-0x000000000166A000-memory.dmp

            Filesize

            16.7MB

          • memory/2256-65-0x00000000005B0000-0x000000000166A000-memory.dmp

            Filesize

            16.7MB

          • memory/2256-66-0x00000000005B0000-0x000000000166A000-memory.dmp

            Filesize

            16.7MB

          • memory/2256-68-0x00000000005B0000-0x000000000166A000-memory.dmp

            Filesize

            16.7MB

          • memory/2256-67-0x00000000005B0000-0x000000000166A000-memory.dmp

            Filesize

            16.7MB

          • memory/2256-70-0x00000000005B0000-0x000000000166A000-memory.dmp

            Filesize

            16.7MB

          • memory/2256-71-0x00000000005B0000-0x000000000166A000-memory.dmp

            Filesize

            16.7MB

          • memory/2256-17-0x00000000005B0000-0x000000000166A000-memory.dmp

            Filesize

            16.7MB

          • memory/2256-24-0x00000000005B0000-0x000000000166A000-memory.dmp

            Filesize

            16.7MB

          • memory/2256-15-0x00000000005B0000-0x000000000166A000-memory.dmp

            Filesize

            16.7MB

          • memory/2256-87-0x00000000005B0000-0x000000000166A000-memory.dmp

            Filesize

            16.7MB

          • memory/2256-88-0x00000000005B0000-0x000000000166A000-memory.dmp

            Filesize

            16.7MB

          • memory/2256-90-0x00000000005B0000-0x000000000166A000-memory.dmp

            Filesize

            16.7MB

          • memory/2256-154-0x00000000005B0000-0x000000000166A000-memory.dmp

            Filesize

            16.7MB

          • memory/2256-153-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2660-111-0x00000000001B0000-0x00000000001B2000-memory.dmp

            Filesize

            8KB

          • memory/2660-107-0x00000000001C0000-0x00000000001C1000-memory.dmp

            Filesize

            4KB

          • memory/2660-108-0x00000000001B0000-0x00000000001B2000-memory.dmp

            Filesize

            8KB

          • memory/2660-180-0x0000000000920000-0x00000000019DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2660-207-0x0000000000920000-0x00000000019DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2660-208-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2836-101-0x0000000000240000-0x0000000000241000-memory.dmp

            Filesize

            4KB

          • memory/2836-110-0x00000000001B0000-0x00000000001B2000-memory.dmp

            Filesize

            8KB

          • memory/2836-109-0x00000000001B0000-0x00000000001B2000-memory.dmp

            Filesize

            8KB

          • memory/2836-134-0x00000000001B0000-0x00000000001B2000-memory.dmp

            Filesize

            8KB

          • memory/2836-169-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2836-56-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB