Analysis

  • max time kernel
    83s
  • max time network
    16s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    22-12-2024 10:03

General

  • Target

    55fc186ff1746373b2c42d684385360c4c86017035a512efcee6007924520c45N.dll

  • Size

    120KB

  • MD5

    4ebfe861cceefdbfa5135c53048df9c0

  • SHA1

    8825de5b8b34a7e6d409bcfd4d65648e392538dd

  • SHA256

    55fc186ff1746373b2c42d684385360c4c86017035a512efcee6007924520c45

  • SHA512

    22112c37cf22c748207b9ae1f0f5ed25af71a1fae9f4f5ad279424c05ee0d671e659281ed0334457c35d1567dc0df8511e1b7868bc08d0e23df97d0cf062c118

  • SSDEEP

    1536:4cnYeEBkSV0HPMpGaoVXqK+gOdSIwoiGbpQAPsa7Slkb8izjTP8Eqa6aNYlqc5e5:gNBoSGZpgghGbpQIsaelGJTP+IWJ5e

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 17 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 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:1116
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1168
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1212
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\55fc186ff1746373b2c42d684385360c4c86017035a512efcee6007924520c45N.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:2840
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\55fc186ff1746373b2c42d684385360c4c86017035a512efcee6007924520c45N.dll,#1
              3⤵
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:2192
              • C:\Users\Admin\AppData\Local\Temp\f76644f.exe
                C:\Users\Admin\AppData\Local\Temp\f76644f.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:2720
              • C:\Users\Admin\AppData\Local\Temp\f7665b5.exe
                C:\Users\Admin\AppData\Local\Temp\f7665b5.exe
                4⤵
                • Executes dropped EXE
                PID:476
              • C:\Users\Admin\AppData\Local\Temp\f768037.exe
                C:\Users\Admin\AppData\Local\Temp\f768037.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:2508
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:848

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\Windows\SYSTEM.INI

            Filesize

            257B

            MD5

            aa4c0b121f288cb96700519858a700b6

            SHA1

            d83410da37334d0b1f0404b874573bc415db98a5

            SHA256

            1d3aa048dbee21a8b030d277d7aa170f1e49810babc8f4c61e41297c589dc893

            SHA512

            83eec469fd3f938a3efe64e3cd98202712e9a315bc12ae04fea1ea2fe8853627828fc2f1c2fd6c1325725bc0f928bbf80d77331b03f76ea1565decdbb0aec7d3

          • \Users\Admin\AppData\Local\Temp\f76644f.exe

            Filesize

            97KB

            MD5

            b8f861329c7bae579739782149c5ee25

            SHA1

            2edf200b897299c7f34c7be4be8a11e981a44aed

            SHA256

            ad4d7b78f55a89634f8cdea0521aece9bfd21f2a57e8875c79086e97db33818e

            SHA512

            21fa1f9ed1fe4aebb6cef137ee1146816aacd298ec2ac977117775609863360cc0140fcb8287848e66c50984acaa2e74b14a3410dc8315685e8051d46cbccb6b

          • memory/476-62-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/476-101-0x00000000001C0000-0x00000000001C1000-memory.dmp

            Filesize

            4KB

          • memory/476-109-0x00000000001B0000-0x00000000001B2000-memory.dmp

            Filesize

            8KB

          • memory/476-102-0x00000000001B0000-0x00000000001B2000-memory.dmp

            Filesize

            8KB

          • memory/476-131-0x00000000001B0000-0x00000000001B2000-memory.dmp

            Filesize

            8KB

          • memory/476-161-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/1116-28-0x00000000002D0000-0x00000000002D2000-memory.dmp

            Filesize

            8KB

          • memory/2192-60-0x00000000002D0000-0x00000000002E2000-memory.dmp

            Filesize

            72KB

          • memory/2192-83-0x0000000000750000-0x0000000000762000-memory.dmp

            Filesize

            72KB

          • memory/2192-1-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2192-81-0x0000000000170000-0x0000000000172000-memory.dmp

            Filesize

            8KB

          • memory/2192-8-0x0000000000170000-0x0000000000182000-memory.dmp

            Filesize

            72KB

          • memory/2192-58-0x00000000001A0000-0x00000000001A2000-memory.dmp

            Filesize

            8KB

          • memory/2192-79-0x00000000001A0000-0x00000000001A2000-memory.dmp

            Filesize

            8KB

          • memory/2192-9-0x0000000000170000-0x0000000000182000-memory.dmp

            Filesize

            72KB

          • memory/2192-47-0x00000000001F0000-0x00000000001F1000-memory.dmp

            Filesize

            4KB

          • memory/2192-39-0x00000000001F0000-0x00000000001F1000-memory.dmp

            Filesize

            4KB

          • memory/2192-38-0x00000000001A0000-0x00000000001A2000-memory.dmp

            Filesize

            8KB

          • memory/2192-216-0x0000000000750000-0x0000000000762000-memory.dmp

            Filesize

            72KB

          • memory/2192-61-0x00000000001A0000-0x00000000001A2000-memory.dmp

            Filesize

            8KB

          • memory/2508-174-0x0000000000A10000-0x0000000001ACA000-memory.dmp

            Filesize

            16.7MB

          • memory/2508-112-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2508-110-0x0000000000270000-0x0000000000271000-memory.dmp

            Filesize

            4KB

          • memory/2508-175-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2508-215-0x0000000000A10000-0x0000000001ACA000-memory.dmp

            Filesize

            16.7MB

          • memory/2508-214-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2720-63-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2720-67-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2720-66-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2720-69-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2720-70-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2720-84-0x00000000003F0000-0x00000000003F2000-memory.dmp

            Filesize

            8KB

          • memory/2720-65-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2720-64-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2720-20-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2720-85-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2720-88-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2720-89-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2720-22-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2720-50-0x00000000003F0000-0x00000000003F2000-memory.dmp

            Filesize

            8KB

          • memory/2720-51-0x00000000003F0000-0x00000000003F2000-memory.dmp

            Filesize

            8KB

          • memory/2720-48-0x00000000016E0000-0x00000000016E1000-memory.dmp

            Filesize

            4KB

          • memory/2720-16-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2720-14-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2720-156-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2720-157-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2720-17-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2720-19-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2720-15-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2720-21-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2720-18-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2720-12-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2720-11-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB