Analysis

  • max time kernel
    121s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    28-06-2024 18:10

General

  • Target

    03dfa7d5332d63c018391db2760d43b652db545e27443de90b63bb44cf7d3239.dll

  • Size

    120KB

  • MD5

    8869c3123e84d249b133e4f48727d380

  • SHA1

    187294fc1a829cb46ab7d9858e3891c4873f682b

  • SHA256

    03dfa7d5332d63c018391db2760d43b652db545e27443de90b63bb44cf7d3239

  • SHA512

    a30a753a23a942b51afa0c3a45cc3d89cffd9c13c4ff10606082456e8339f512e4aea9f326bb0d07b25d5c23740e2baa443a772e11f6b08485daa66cbe1f07d5

  • SSDEEP

    3072:DmQimvGDY+yKY6aZ0KxZalyiHPHk6ix4GwGl3D:SYGs+dY6adalyivHvIZ3

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.

  • UAC bypass 3 TTPs 2 IoCs
  • Windows security bypass 2 TTPs 12 IoCs
  • Detects executables packed with Sality Polymorphic Code Generator or Simple Poly Engine or Sality 25 IoCs
  • UPX dump on OEP (original entry point) 30 IoCs
  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 6 IoCs
  • UPX packed file 25 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Windows security modification 2 TTPs 14 IoCs
  • Checks whether UAC is enabled 1 TTPs 2 IoCs
  • Enumerates connected drives 3 TTPs 14 IoCs

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

  • Drops file in Windows directory 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 41 IoCs
  • Suspicious use of WriteProcessMemory 36 IoCs
  • System policy modification 1 TTPs 2 IoCs

Processes

  • C:\Windows\system32\taskhost.exe
    "taskhost.exe"
    1⤵
      PID:1108
    • 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\03dfa7d5332d63c018391db2760d43b652db545e27443de90b63bb44cf7d3239.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:1632
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\03dfa7d5332d63c018391db2760d43b652db545e27443de90b63bb44cf7d3239.dll,#1
              3⤵
              • Loads dropped DLL
              • Suspicious use of WriteProcessMemory
              PID:2192
              • C:\Users\Admin\AppData\Local\Temp\f7619a8.exe
                C:\Users\Admin\AppData\Local\Temp\f7619a8.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
                • Suspicious behavior: EnumeratesProcesses
                • Suspicious use of AdjustPrivilegeToken
                • Suspicious use of WriteProcessMemory
                • System policy modification
                PID:1520
              • C:\Users\Admin\AppData\Local\Temp\f761d8f.exe
                C:\Users\Admin\AppData\Local\Temp\f761d8f.exe
                4⤵
                • Executes dropped EXE
                PID:2452
              • C:\Users\Admin\AppData\Local\Temp\f764441.exe
                C:\Users\Admin\AppData\Local\Temp\f764441.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
                • Suspicious behavior: EnumeratesProcesses
                • Suspicious use of AdjustPrivilegeToken
                • Suspicious use of WriteProcessMemory
                • System policy modification
                PID:3004
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:2384

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          • C:\Windows\SYSTEM.INI

            Filesize

            257B

            MD5

            136c16e38677377c77a577b83b2b7331

            SHA1

            1fdab0662dd260f298361d5004c2753b3a8a1914

            SHA256

            39aff7ede2e68496ee625920babe81589a927280d4b7580c7adf9b1d2ecec3ef

            SHA512

            af7aaf431aa06292bfe4f22b49efe0d2e8427aa206a2c9378527b103ada1ad62d756cb34850575a6369f4f8ad5752e4a704a3a80378b144376c5cc31d482c36a

          • \Users\Admin\AppData\Local\Temp\f7619a8.exe

            Filesize

            97KB

            MD5

            13d743fff676e5875cbb8fd864f13b2a

            SHA1

            eda3d652b12d08a94e71c3544db7f4bdf893dee0

            SHA256

            60b28b95453c976b7c8321d90c300757d6268355e4a1dc17d2800e84c7f24085

            SHA512

            5fafd089f368d31e96489b8380c93af4c31afbbec6c6990dad543b6b7f8996985ea2043af2989c1f61d07792856de1e879ce33bb66d32f36a488329f00833c80

          • memory/1108-29-0x0000000002070000-0x0000000002072000-memory.dmp

            Filesize

            8KB

          • memory/1520-63-0x0000000000680000-0x000000000173A000-memory.dmp

            Filesize

            16.7MB

          • memory/1520-99-0x0000000000680000-0x000000000173A000-memory.dmp

            Filesize

            16.7MB

          • memory/1520-13-0x0000000000680000-0x000000000173A000-memory.dmp

            Filesize

            16.7MB

          • memory/1520-16-0x0000000000680000-0x000000000173A000-memory.dmp

            Filesize

            16.7MB

          • memory/1520-18-0x0000000000680000-0x000000000173A000-memory.dmp

            Filesize

            16.7MB

          • memory/1520-21-0x0000000000680000-0x000000000173A000-memory.dmp

            Filesize

            16.7MB

          • memory/1520-65-0x0000000000680000-0x000000000173A000-memory.dmp

            Filesize

            16.7MB

          • memory/1520-22-0x0000000000680000-0x000000000173A000-memory.dmp

            Filesize

            16.7MB

          • memory/1520-20-0x0000000000680000-0x000000000173A000-memory.dmp

            Filesize

            16.7MB

          • memory/1520-19-0x0000000000680000-0x000000000173A000-memory.dmp

            Filesize

            16.7MB

          • memory/1520-17-0x0000000000680000-0x000000000173A000-memory.dmp

            Filesize

            16.7MB

          • memory/1520-23-0x0000000000680000-0x000000000173A000-memory.dmp

            Filesize

            16.7MB

          • memory/1520-50-0x0000000000300000-0x0000000000302000-memory.dmp

            Filesize

            8KB

          • memory/1520-49-0x0000000000300000-0x0000000000302000-memory.dmp

            Filesize

            8KB

          • memory/1520-47-0x00000000003D0000-0x00000000003D1000-memory.dmp

            Filesize

            4KB

          • memory/1520-66-0x0000000000680000-0x000000000173A000-memory.dmp

            Filesize

            16.7MB

          • memory/1520-11-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/1520-137-0x0000000000680000-0x000000000173A000-memory.dmp

            Filesize

            16.7MB

          • memory/1520-64-0x0000000000680000-0x000000000173A000-memory.dmp

            Filesize

            16.7MB

          • memory/1520-136-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/1520-113-0x0000000000300000-0x0000000000302000-memory.dmp

            Filesize

            8KB

          • memory/1520-106-0x0000000000680000-0x000000000173A000-memory.dmp

            Filesize

            16.7MB

          • memory/1520-62-0x0000000000680000-0x000000000173A000-memory.dmp

            Filesize

            16.7MB

          • memory/1520-103-0x0000000000680000-0x000000000173A000-memory.dmp

            Filesize

            16.7MB

          • memory/1520-104-0x0000000000680000-0x000000000173A000-memory.dmp

            Filesize

            16.7MB

          • memory/1520-15-0x0000000000680000-0x000000000173A000-memory.dmp

            Filesize

            16.7MB

          • memory/1520-100-0x0000000000680000-0x000000000173A000-memory.dmp

            Filesize

            16.7MB

          • memory/1520-98-0x0000000000680000-0x000000000173A000-memory.dmp

            Filesize

            16.7MB

          • memory/1520-81-0x0000000000680000-0x000000000173A000-memory.dmp

            Filesize

            16.7MB

          • memory/2192-79-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2192-9-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2192-46-0x00000000001F0000-0x00000000001F1000-memory.dmp

            Filesize

            4KB

          • memory/2192-37-0x00000000001F0000-0x00000000001F1000-memory.dmp

            Filesize

            4KB

          • memory/2192-36-0x00000000001E0000-0x00000000001E2000-memory.dmp

            Filesize

            8KB

          • memory/2192-75-0x00000000001E0000-0x00000000001E2000-memory.dmp

            Filesize

            8KB

          • memory/2192-60-0x00000000001E0000-0x00000000001E2000-memory.dmp

            Filesize

            8KB

          • memory/2192-59-0x0000000000210000-0x0000000000222000-memory.dmp

            Filesize

            72KB

          • memory/2192-10-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2192-8-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2452-61-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2452-95-0x0000000000360000-0x0000000000362000-memory.dmp

            Filesize

            8KB

          • memory/2452-88-0x00000000003B0000-0x00000000003B1000-memory.dmp

            Filesize

            4KB

          • memory/2452-164-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2452-89-0x0000000000360000-0x0000000000362000-memory.dmp

            Filesize

            8KB

          • memory/3004-198-0x0000000000930000-0x00000000019EA000-memory.dmp

            Filesize

            16.7MB

          • memory/3004-80-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/3004-97-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/3004-94-0x00000000002B0000-0x00000000002B1000-memory.dmp

            Filesize

            4KB

          • memory/3004-96-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/3004-141-0x0000000000930000-0x00000000019EA000-memory.dmp

            Filesize

            16.7MB

          • memory/3004-197-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB