Analysis

  • max time kernel
    121s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    27-12-2024 02:25

General

  • Target

    c131fbfc41f91652c3d63b924c211e4e77754a6ae98c531c47b42939afe3b784.dll

  • Size

    120KB

  • MD5

    1c914bbdd5fbd59287772848ac966e26

  • SHA1

    a963c2d79ea3901097cc9c251dba1f0abfbd2cc5

  • SHA256

    c131fbfc41f91652c3d63b924c211e4e77754a6ae98c531c47b42939afe3b784

  • SHA512

    0a91a10df6e231dc0179eb397722dd9e367f923d080735a5e00af8ed56a6fca15d92c1e2adcc19e803d29b96489c0dfe8db0d2f4ac26b35033aa9d0900b05405

  • SSDEEP

    1536:pLEWPWOYxZ6DJyZaysleKYYevcFQISR4Uk4HG2SCb1GhRl8Bvg+QewVGfl:pu6grsucCICNdHGAEhroYJu

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 22 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 4 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 42 IoCs
  • System policy modification 1 TTPs 3 IoCs

Processes

  • C:\Windows\system32\taskhost.exe
    "taskhost.exe"
    1⤵
      PID:1116
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1180
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1256
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\c131fbfc41f91652c3d63b924c211e4e77754a6ae98c531c47b42939afe3b784.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:2364
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\c131fbfc41f91652c3d63b924c211e4e77754a6ae98c531c47b42939afe3b784.dll,#1
              3⤵
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:2380
              • C:\Users\Admin\AppData\Local\Temp\f76c3ad.exe
                C:\Users\Admin\AppData\Local\Temp\f76c3ad.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:1916
              • C:\Users\Admin\AppData\Local\Temp\f76c504.exe
                C:\Users\Admin\AppData\Local\Temp\f76c504.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:2948
              • C:\Users\Admin\AppData\Local\Temp\f76df76.exe
                C:\Users\Admin\AppData\Local\Temp\f76df76.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:2628
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:1328

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          • C:\Windows\SYSTEM.INI

            Filesize

            257B

            MD5

            f4067fa178e8e0568675e65141cdd52c

            SHA1

            d15a78cf559296b8b807c7a3ebe5322461dbf135

            SHA256

            6fc2c9d7047a730764d9949d879ac5c2053dd2db60015af1fd1fe884ea504970

            SHA512

            1bf2bf08a0c7e0fac42c609819b1082ca05b71124f75d862ee39a769ed4f7f16b7734ec0384aed29c6a0cd0d23fa0e30b394aeb5cd330fd172c77312023c6b3b

          • \Users\Admin\AppData\Local\Temp\f76c3ad.exe

            Filesize

            97KB

            MD5

            692a0aca962893ae30220ed877c83832

            SHA1

            89dd2b4e7cf94231344b980a1a6a4dd72bd598d3

            SHA256

            c38df1d927f53eff15dd412553bb3e2d60d8022bf4a83817e9b6987a40cbc8c3

            SHA512

            66b34e4d20a794a52cec1715f3e71d4082db0676033c9fe7493b75227fa12ac80622cee4190da5853d753492e03c011a6ea9001089e6ca5eba949bbbdf1ad5b8

          • memory/1116-27-0x00000000002D0000-0x00000000002D2000-memory.dmp

            Filesize

            8KB

          • memory/1916-90-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/1916-11-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/1916-14-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/1916-64-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/1916-65-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/1916-49-0x00000000003F0000-0x00000000003F2000-memory.dmp

            Filesize

            8KB

          • memory/1916-48-0x00000000003F0000-0x00000000003F2000-memory.dmp

            Filesize

            8KB

          • memory/1916-21-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/1916-63-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/1916-10-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/1916-156-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/1916-87-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/1916-46-0x00000000004A0000-0x00000000004A1000-memory.dmp

            Filesize

            4KB

          • memory/1916-67-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/1916-85-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/1916-78-0x00000000003F0000-0x00000000003F2000-memory.dmp

            Filesize

            8KB

          • memory/1916-68-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/1916-19-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/1916-20-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/1916-18-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/1916-17-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/1916-15-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/1916-61-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/1916-62-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/1916-157-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/1916-13-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/1916-16-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/2380-45-0x0000000000210000-0x0000000000211000-memory.dmp

            Filesize

            4KB

          • memory/2380-1-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2380-81-0x00000000002D0000-0x00000000002E2000-memory.dmp

            Filesize

            72KB

          • memory/2380-58-0x00000000002B0000-0x00000000002C2000-memory.dmp

            Filesize

            72KB

          • memory/2380-83-0x00000000001D0000-0x00000000001D2000-memory.dmp

            Filesize

            8KB

          • memory/2380-35-0x0000000000200000-0x0000000000202000-memory.dmp

            Filesize

            8KB

          • memory/2380-72-0x00000000002D0000-0x00000000002E2000-memory.dmp

            Filesize

            72KB

          • memory/2380-36-0x0000000000210000-0x0000000000211000-memory.dmp

            Filesize

            4KB

          • memory/2380-56-0x0000000000200000-0x0000000000202000-memory.dmp

            Filesize

            8KB

          • memory/2380-59-0x0000000000200000-0x0000000000202000-memory.dmp

            Filesize

            8KB

          • memory/2380-8-0x00000000001D0000-0x00000000001E2000-memory.dmp

            Filesize

            72KB

          • memory/2628-110-0x0000000000220000-0x0000000000222000-memory.dmp

            Filesize

            8KB

          • memory/2628-108-0x0000000000220000-0x0000000000222000-memory.dmp

            Filesize

            8KB

          • memory/2628-111-0x00000000003F0000-0x00000000003F1000-memory.dmp

            Filesize

            4KB

          • memory/2628-245-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2628-133-0x0000000000220000-0x0000000000222000-memory.dmp

            Filesize

            8KB

          • memory/2628-84-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2948-105-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2948-130-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2948-194-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2948-100-0x0000000000270000-0x0000000000271000-memory.dmp

            Filesize

            4KB

          • memory/2948-195-0x0000000000A10000-0x0000000001ACA000-memory.dmp

            Filesize

            16.7MB

          • memory/2948-60-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2948-101-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2948-246-0x0000000000A10000-0x0000000001ACA000-memory.dmp

            Filesize

            16.7MB