Analysis

  • max time kernel
    122s
  • max time network
    124s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    05/12/2024, 21:24

General

  • Target

    3af275462b73f0bfe37fc1573362e37b26617439effcc9fed7e4974c723c9a5b.dll

  • Size

    120KB

  • MD5

    2d34e382720a741e4a4db68befba901b

  • SHA1

    7deea00d2feebfbc6141e532d4c21bb2489970d7

  • SHA256

    3af275462b73f0bfe37fc1573362e37b26617439effcc9fed7e4974c723c9a5b

  • SHA512

    b1e69d907444bd7604c41c26272075b09dd7f13e50c443e1e4ef188bef03185bb9b7e2c56d15aecd443ebfc33d6b3c61ac6b236dab0d328fd3b22e7a88c021ad

  • SSDEEP

    3072:1TINyJo9sQUDiRQcmIv01oXbwpOBsR6q7jt1o:1kXAWQIv01oXEp0sRXjXo

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 7 IoCs

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

  • UPX packed file 25 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:1204
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\3af275462b73f0bfe37fc1573362e37b26617439effcc9fed7e4974c723c9a5b.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:2316
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\3af275462b73f0bfe37fc1573362e37b26617439effcc9fed7e4974c723c9a5b.dll,#1
              3⤵
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:2080
              • C:\Users\Admin\AppData\Local\Temp\f76405a.exe
                C:\Users\Admin\AppData\Local\Temp\f76405a.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:2692
              • C:\Users\Admin\AppData\Local\Temp\f76424e.exe
                C:\Users\Admin\AppData\Local\Temp\f76424e.exe
                4⤵
                • Executes dropped EXE
                PID:3044
              • C:\Users\Admin\AppData\Local\Temp\f765c14.exe
                C:\Users\Admin\AppData\Local\Temp\f765c14.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:2104
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:1636

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          • C:\Windows\SYSTEM.INI

            Filesize

            257B

            MD5

            80b694459392c4ea305fb87a4ea9e7fb

            SHA1

            00af46819f4c4ac80cf30161a577f2d8e9a68a4d

            SHA256

            144503720389b6d2b404a9000344f2a4a1da9f4af5bfc9bd2a1f308aaa86d995

            SHA512

            633b458b15af2191836bf7a196cb8ec3f503ae906758219383fe4c22c6a9b61ecced675041be70ae119a5ef9728e985ce75667c3508acf0be9d62107747d0ff6

          • \Users\Admin\AppData\Local\Temp\f76405a.exe

            Filesize

            97KB

            MD5

            c8627b17bc76e6e146c09fd6920342f7

            SHA1

            6d54566a1f1d8eb5302cac906b9b074ecc0bd559

            SHA256

            0cf05dbf730de8e9947ac5760c6c846461748ac68ff7ad0d6eef4cbc1b3d8557

            SHA512

            d2b82e1ac45e3bdbb40159be035d2223a7ab57e5ba5ee376a1cf83dbbabf270d610ce529ff4072458deb6304cdefcea79c8497e4065218c19e42eda945b52a19

          • memory/1116-29-0x0000000000310000-0x0000000000312000-memory.dmp

            Filesize

            8KB

          • memory/2080-9-0x00000000001A0000-0x00000000001B2000-memory.dmp

            Filesize

            72KB

          • memory/2080-59-0x00000000001C0000-0x00000000001C2000-memory.dmp

            Filesize

            8KB

          • memory/2080-60-0x0000000000230000-0x0000000000242000-memory.dmp

            Filesize

            72KB

          • memory/2080-48-0x00000000001D0000-0x00000000001D1000-memory.dmp

            Filesize

            4KB

          • memory/2080-4-0x00000000001A0000-0x00000000001B2000-memory.dmp

            Filesize

            72KB

          • memory/2080-39-0x00000000001D0000-0x00000000001D1000-memory.dmp

            Filesize

            4KB

          • memory/2080-78-0x00000000001C0000-0x00000000001C2000-memory.dmp

            Filesize

            8KB

          • memory/2080-77-0x00000000002A0000-0x00000000002B2000-memory.dmp

            Filesize

            72KB

          • memory/2080-61-0x00000000001C0000-0x00000000001C2000-memory.dmp

            Filesize

            8KB

          • memory/2080-38-0x00000000001C0000-0x00000000001C2000-memory.dmp

            Filesize

            8KB

          • memory/2080-1-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2080-71-0x00000000002A0000-0x00000000002B2000-memory.dmp

            Filesize

            72KB

          • memory/2104-189-0x0000000000910000-0x00000000019CA000-memory.dmp

            Filesize

            16.7MB

          • memory/2104-99-0x0000000000220000-0x0000000000222000-memory.dmp

            Filesize

            8KB

          • memory/2104-98-0x0000000000230000-0x0000000000231000-memory.dmp

            Filesize

            4KB

          • memory/2104-96-0x0000000000220000-0x0000000000222000-memory.dmp

            Filesize

            8KB

          • memory/2104-133-0x0000000000220000-0x0000000000222000-memory.dmp

            Filesize

            8KB

          • memory/2104-145-0x0000000000910000-0x00000000019CA000-memory.dmp

            Filesize

            16.7MB

          • memory/2104-188-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2692-65-0x00000000006E0000-0x000000000179A000-memory.dmp

            Filesize

            16.7MB

          • memory/2692-111-0x00000000006E0000-0x000000000179A000-memory.dmp

            Filesize

            16.7MB

          • memory/2692-15-0x00000000006E0000-0x000000000179A000-memory.dmp

            Filesize

            16.7MB

          • memory/2692-54-0x0000000000550000-0x0000000000552000-memory.dmp

            Filesize

            8KB

          • memory/2692-64-0x00000000006E0000-0x000000000179A000-memory.dmp

            Filesize

            16.7MB

          • memory/2692-16-0x00000000006E0000-0x000000000179A000-memory.dmp

            Filesize

            16.7MB

          • memory/2692-66-0x00000000006E0000-0x000000000179A000-memory.dmp

            Filesize

            16.7MB

          • memory/2692-18-0x00000000006E0000-0x000000000179A000-memory.dmp

            Filesize

            16.7MB

          • memory/2692-20-0x00000000006E0000-0x000000000179A000-memory.dmp

            Filesize

            16.7MB

          • memory/2692-11-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2692-70-0x0000000000550000-0x0000000000552000-memory.dmp

            Filesize

            8KB

          • memory/2692-49-0x00000000005B0000-0x00000000005B1000-memory.dmp

            Filesize

            4KB

          • memory/2692-51-0x0000000000550000-0x0000000000552000-memory.dmp

            Filesize

            8KB

          • memory/2692-23-0x00000000006E0000-0x000000000179A000-memory.dmp

            Filesize

            16.7MB

          • memory/2692-22-0x00000000006E0000-0x000000000179A000-memory.dmp

            Filesize

            16.7MB

          • memory/2692-14-0x00000000006E0000-0x000000000179A000-memory.dmp

            Filesize

            16.7MB

          • memory/2692-19-0x00000000006E0000-0x000000000179A000-memory.dmp

            Filesize

            16.7MB

          • memory/2692-88-0x00000000006E0000-0x000000000179A000-memory.dmp

            Filesize

            16.7MB

          • memory/2692-100-0x00000000006E0000-0x000000000179A000-memory.dmp

            Filesize

            16.7MB

          • memory/2692-101-0x00000000006E0000-0x000000000179A000-memory.dmp

            Filesize

            16.7MB

          • memory/2692-103-0x00000000006E0000-0x000000000179A000-memory.dmp

            Filesize

            16.7MB

          • memory/2692-104-0x00000000006E0000-0x000000000179A000-memory.dmp

            Filesize

            16.7MB

          • memory/2692-105-0x00000000006E0000-0x000000000179A000-memory.dmp

            Filesize

            16.7MB

          • memory/2692-106-0x00000000006E0000-0x000000000179A000-memory.dmp

            Filesize

            16.7MB

          • memory/2692-109-0x00000000006E0000-0x000000000179A000-memory.dmp

            Filesize

            16.7MB

          • memory/2692-21-0x00000000006E0000-0x000000000179A000-memory.dmp

            Filesize

            16.7MB

          • memory/2692-131-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2692-17-0x00000000006E0000-0x000000000179A000-memory.dmp

            Filesize

            16.7MB

          • memory/2692-134-0x00000000006E0000-0x000000000179A000-memory.dmp

            Filesize

            16.7MB

          • memory/3044-132-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/3044-138-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/3044-90-0x00000000002B0000-0x00000000002B1000-memory.dmp

            Filesize

            4KB

          • memory/3044-95-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/3044-97-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/3044-63-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB