Analysis

  • max time kernel
    86s
  • max time network
    16s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    11-12-2024 05:00

General

  • Target

    9ef6b44d529ec8c0e9414377d15b5528cb4ee0cc15314ab8a293d5bcb22c338bN.dll

  • Size

    120KB

  • MD5

    4965515e666b03823856fdb9493ce350

  • SHA1

    708ac9070721327d6fdb47239cdfb7d1e2549eef

  • SHA256

    9ef6b44d529ec8c0e9414377d15b5528cb4ee0cc15314ab8a293d5bcb22c338b

  • SHA512

    eeb1dd5ec8008d5107500fead4cb1ecafee73e2dbca78c3152c239716755526355c0f6724fe28df4d7ef5b2a74fbb3139ac665cfba9df4476692cf95056d002f

  • SSDEEP

    3072:zzGHkEObKjhYV6WXNm9AFWDBiWjHwJvS:HsjmV6WrFaVrevS

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 15 IoCs

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

  • UPX packed file 24 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:1088
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1164
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1188
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\9ef6b44d529ec8c0e9414377d15b5528cb4ee0cc15314ab8a293d5bcb22c338bN.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:1796
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\9ef6b44d529ec8c0e9414377d15b5528cb4ee0cc15314ab8a293d5bcb22c338bN.dll,#1
              3⤵
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:1940
              • C:\Users\Admin\AppData\Local\Temp\f76a12f.exe
                C:\Users\Admin\AppData\Local\Temp\f76a12f.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:2132
              • C:\Users\Admin\AppData\Local\Temp\f76a65d.exe
                C:\Users\Admin\AppData\Local\Temp\f76a65d.exe
                4⤵
                • Executes dropped EXE
                PID:2900
              • C:\Users\Admin\AppData\Local\Temp\f76c439.exe
                C:\Users\Admin\AppData\Local\Temp\f76c439.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:2976
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:1316

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          • C:\Windows\SYSTEM.INI

            Filesize

            257B

            MD5

            72b8fb5b0930ae4a0eccb0e7ba92eb8c

            SHA1

            5bebb8b3bda29cb29f14c8a222781b48e8576abf

            SHA256

            42d16c2d811bd88dd7edca2cdabe9f41e446a52ac1b66c94e3f091979385c32c

            SHA512

            3eeb50228207c488e988ba477ebe48cdc6af0947d48df8957473924bc36ed52f44086db7909591b0524c755189b19113a07d9bcbf754bf6a4070ba3c16507e1c

          • \Users\Admin\AppData\Local\Temp\f76a12f.exe

            Filesize

            97KB

            MD5

            f7cad203cd0e483ebdf010bd1768f587

            SHA1

            516de4541d438795733f6a737ed15cf9da933296

            SHA256

            d214cb465790ed81b5125d8e9716da159d58baeebcba198509b51bffd274d590

            SHA512

            1c990d6f487e334b40c69e8a9e908428853ae45a96fb6cf4aa6c008cb66142df26e1e85821a58626f8a208e6edc70206829637fe2e78b796f29e39d043bab4a8

          • memory/1088-23-0x00000000001D0000-0x00000000001D2000-memory.dmp

            Filesize

            8KB

          • memory/1940-81-0x0000000000290000-0x00000000002A2000-memory.dmp

            Filesize

            72KB

          • memory/1940-208-0x0000000000290000-0x00000000002A2000-memory.dmp

            Filesize

            72KB

          • memory/1940-79-0x00000000000C0000-0x00000000000C2000-memory.dmp

            Filesize

            8KB

          • memory/1940-51-0x0000000000170000-0x0000000000172000-memory.dmp

            Filesize

            8KB

          • memory/1940-66-0x0000000000170000-0x0000000000172000-memory.dmp

            Filesize

            8KB

          • memory/1940-8-0x00000000000C0000-0x00000000000D2000-memory.dmp

            Filesize

            72KB

          • memory/1940-50-0x0000000000270000-0x0000000000282000-memory.dmp

            Filesize

            72KB

          • memory/1940-1-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/1940-32-0x0000000000170000-0x0000000000172000-memory.dmp

            Filesize

            8KB

          • memory/1940-33-0x0000000000180000-0x0000000000181000-memory.dmp

            Filesize

            4KB

          • memory/1940-35-0x0000000000180000-0x0000000000181000-memory.dmp

            Filesize

            4KB

          • memory/2132-62-0x0000000000650000-0x000000000170A000-memory.dmp

            Filesize

            16.7MB

          • memory/2132-14-0x0000000000650000-0x000000000170A000-memory.dmp

            Filesize

            16.7MB

          • memory/2132-41-0x00000000002D0000-0x00000000002D1000-memory.dmp

            Filesize

            4KB

          • memory/2132-20-0x0000000000650000-0x000000000170A000-memory.dmp

            Filesize

            16.7MB

          • memory/2132-15-0x0000000000650000-0x000000000170A000-memory.dmp

            Filesize

            16.7MB

          • memory/2132-57-0x00000000002C0000-0x00000000002C2000-memory.dmp

            Filesize

            8KB

          • memory/2132-18-0x0000000000650000-0x000000000170A000-memory.dmp

            Filesize

            16.7MB

          • memory/2132-19-0x0000000000650000-0x000000000170A000-memory.dmp

            Filesize

            16.7MB

          • memory/2132-21-0x0000000000650000-0x000000000170A000-memory.dmp

            Filesize

            16.7MB

          • memory/2132-61-0x0000000000650000-0x000000000170A000-memory.dmp

            Filesize

            16.7MB

          • memory/2132-59-0x0000000000650000-0x000000000170A000-memory.dmp

            Filesize

            16.7MB

          • memory/2132-60-0x0000000000650000-0x000000000170A000-memory.dmp

            Filesize

            16.7MB

          • memory/2132-16-0x0000000000650000-0x000000000170A000-memory.dmp

            Filesize

            16.7MB

          • memory/2132-63-0x0000000000650000-0x000000000170A000-memory.dmp

            Filesize

            16.7MB

          • memory/2132-64-0x0000000000650000-0x000000000170A000-memory.dmp

            Filesize

            16.7MB

          • memory/2132-13-0x0000000000650000-0x000000000170A000-memory.dmp

            Filesize

            16.7MB

          • memory/2132-67-0x0000000000650000-0x000000000170A000-memory.dmp

            Filesize

            16.7MB

          • memory/2132-68-0x0000000000650000-0x000000000170A000-memory.dmp

            Filesize

            16.7MB

          • memory/2132-17-0x0000000000650000-0x000000000170A000-memory.dmp

            Filesize

            16.7MB

          • memory/2132-58-0x00000000002C0000-0x00000000002C2000-memory.dmp

            Filesize

            8KB

          • memory/2132-82-0x0000000000650000-0x000000000170A000-memory.dmp

            Filesize

            16.7MB

          • memory/2132-84-0x00000000002C0000-0x00000000002C2000-memory.dmp

            Filesize

            8KB

          • memory/2132-85-0x0000000000650000-0x000000000170A000-memory.dmp

            Filesize

            16.7MB

          • memory/2132-10-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2132-11-0x0000000000650000-0x000000000170A000-memory.dmp

            Filesize

            16.7MB

          • memory/2132-146-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2132-147-0x0000000000650000-0x000000000170A000-memory.dmp

            Filesize

            16.7MB

          • memory/2132-107-0x0000000000650000-0x000000000170A000-memory.dmp

            Filesize

            16.7MB

          • memory/2900-96-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2900-125-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2900-98-0x0000000000270000-0x0000000000271000-memory.dmp

            Filesize

            4KB

          • memory/2900-151-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2900-104-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2976-106-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2976-164-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2976-163-0x0000000000920000-0x00000000019DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2976-103-0x00000000003F0000-0x00000000003F1000-memory.dmp

            Filesize

            4KB

          • memory/2976-206-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2976-207-0x0000000000920000-0x00000000019DA000-memory.dmp

            Filesize

            16.7MB