Analysis

  • max time kernel
    120s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240220-en
  • resource tags

    arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
  • submitted
    18-05-2024 09:57

General

  • Target

    01d090802835895bc7c3a6860115c730.exe.bin.dll

  • Size

    120KB

  • MD5

    01d090802835895bc7c3a6860115c730

  • SHA1

    bb598478345187510263c2c2077764c00ab7bd50

  • SHA256

    79e563193f0e1c271a4e7355fb2689e0f107477e2220aaba8af7a735e2a06c72

  • SHA512

    de07da9f781028087835bb9dd24439a3eba28f87f9e0525c653e6eee0170a2d6077486168f6f861db6af2056039ea35bc8ab3b200aa4197a0bbed0881e0fbd13

  • SSDEEP

    3072:3HFMoPetZLNacwvRkFkIoE6FBgJyINi1QUfHOMr0E:33SZTwvRkyBdFBgotHOMr

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 2 TTPs 3 IoCs
  • Sality

    Sality is backdoor written in C++, first discovered in 2003.

  • UAC bypass 3 TTPs 1 IoCs
  • Windows security bypass 2 TTPs 6 IoCs
  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 6 IoCs
  • UPX packed file 24 IoCs

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

  • Windows security modification 2 TTPs 7 IoCs
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Enumerates connected drives 3 TTPs 15 IoCs

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

  • Drops file in Windows directory 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 21 IoCs
  • Suspicious use of WriteProcessMemory 33 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Windows\system32\taskhost.exe
    "taskhost.exe"
    1⤵
      PID:1112
    • 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\01d090802835895bc7c3a6860115c730.exe.bin.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:2904
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\01d090802835895bc7c3a6860115c730.exe.bin.dll,#1
              3⤵
              • Loads dropped DLL
              • Suspicious use of WriteProcessMemory
              PID:2388
              • C:\Users\Admin\AppData\Local\Temp\f7616bc.exe
                C:\Users\Admin\AppData\Local\Temp\f7616bc.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:2940
              • C:\Users\Admin\AppData\Local\Temp\f761870.exe
                C:\Users\Admin\AppData\Local\Temp\f761870.exe
                4⤵
                • Executes dropped EXE
                PID:2460
              • C:\Users\Admin\AppData\Local\Temp\f7632a4.exe
                C:\Users\Admin\AppData\Local\Temp\f7632a4.exe
                4⤵
                • Executes dropped EXE
                PID:2604
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:1640

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • \Users\Admin\AppData\Local\Temp\f7616bc.exe
            Filesize

            97KB

            MD5

            5c20a3bb3405daab1863b4dbd111294e

            SHA1

            2a9fa7ffb8b37fc93f00ce7517df554265b1459c

            SHA256

            fdb6cf7b3dc8027d5d6aae0f4cabde66fee8a219ff51017d398779f3e1e5acba

            SHA512

            3ba530eed93ad3ed1463707c7d77e98b42ae35d1b4f18464caac3e1013b68d108689ec86cea8983891c46781e526a07d3b1589a665df72ea4efe4c68ca52c067

          • memory/1112-28-0x0000000000420000-0x0000000000422000-memory.dmp
            Filesize

            8KB

          • memory/2388-35-0x00000000001F0000-0x00000000001F2000-memory.dmp
            Filesize

            8KB

          • memory/2388-55-0x00000000001F0000-0x00000000001F2000-memory.dmp
            Filesize

            8KB

          • memory/2388-9-0x0000000000400000-0x0000000000412000-memory.dmp
            Filesize

            72KB

          • memory/2388-57-0x00000000001F0000-0x00000000001F2000-memory.dmp
            Filesize

            8KB

          • memory/2388-75-0x00000000001F0000-0x00000000001F2000-memory.dmp
            Filesize

            8KB

          • memory/2388-10-0x0000000000400000-0x0000000000412000-memory.dmp
            Filesize

            72KB

          • memory/2388-36-0x0000000000200000-0x0000000000201000-memory.dmp
            Filesize

            4KB

          • memory/2388-1-0x0000000010000000-0x0000000010020000-memory.dmp
            Filesize

            128KB

          • memory/2388-45-0x0000000000200000-0x0000000000201000-memory.dmp
            Filesize

            4KB

          • memory/2460-101-0x0000000000260000-0x0000000000262000-memory.dmp
            Filesize

            8KB

          • memory/2460-94-0x0000000000260000-0x0000000000262000-memory.dmp
            Filesize

            8KB

          • memory/2460-93-0x00000000002B0000-0x00000000002B1000-memory.dmp
            Filesize

            4KB

          • memory/2460-59-0x0000000000400000-0x0000000000412000-memory.dmp
            Filesize

            72KB

          • memory/2460-151-0x0000000000400000-0x0000000000412000-memory.dmp
            Filesize

            72KB

          • memory/2604-102-0x0000000000260000-0x0000000000262000-memory.dmp
            Filesize

            8KB

          • memory/2604-79-0x0000000000400000-0x0000000000412000-memory.dmp
            Filesize

            72KB

          • memory/2604-100-0x0000000000260000-0x0000000000262000-memory.dmp
            Filesize

            8KB

          • memory/2604-99-0x00000000002B0000-0x00000000002B1000-memory.dmp
            Filesize

            4KB

          • memory/2604-155-0x0000000000400000-0x0000000000412000-memory.dmp
            Filesize

            72KB

          • memory/2940-16-0x0000000000700000-0x00000000017BA000-memory.dmp
            Filesize

            16.7MB

          • memory/2940-84-0x0000000000700000-0x00000000017BA000-memory.dmp
            Filesize

            16.7MB

          • memory/2940-14-0x0000000000700000-0x00000000017BA000-memory.dmp
            Filesize

            16.7MB

          • memory/2940-56-0x00000000003F0000-0x00000000003F2000-memory.dmp
            Filesize

            8KB

          • memory/2940-60-0x0000000000700000-0x00000000017BA000-memory.dmp
            Filesize

            16.7MB

          • memory/2940-61-0x0000000000700000-0x00000000017BA000-memory.dmp
            Filesize

            16.7MB

          • memory/2940-62-0x0000000000700000-0x00000000017BA000-memory.dmp
            Filesize

            16.7MB

          • memory/2940-63-0x0000000000700000-0x00000000017BA000-memory.dmp
            Filesize

            16.7MB

          • memory/2940-64-0x0000000000700000-0x00000000017BA000-memory.dmp
            Filesize

            16.7MB

          • memory/2940-66-0x0000000000700000-0x00000000017BA000-memory.dmp
            Filesize

            16.7MB

          • memory/2940-67-0x0000000000700000-0x00000000017BA000-memory.dmp
            Filesize

            16.7MB

          • memory/2940-21-0x0000000000700000-0x00000000017BA000-memory.dmp
            Filesize

            16.7MB

          • memory/2940-48-0x00000000003F0000-0x00000000003F2000-memory.dmp
            Filesize

            8KB

          • memory/2940-80-0x0000000000700000-0x00000000017BA000-memory.dmp
            Filesize

            16.7MB

          • memory/2940-82-0x0000000000700000-0x00000000017BA000-memory.dmp
            Filesize

            16.7MB

          • memory/2940-22-0x0000000000700000-0x00000000017BA000-memory.dmp
            Filesize

            16.7MB

          • memory/2940-46-0x00000000004E0000-0x00000000004E1000-memory.dmp
            Filesize

            4KB

          • memory/2940-20-0x0000000000700000-0x00000000017BA000-memory.dmp
            Filesize

            16.7MB

          • memory/2940-15-0x0000000000700000-0x00000000017BA000-memory.dmp
            Filesize

            16.7MB

          • memory/2940-18-0x0000000000700000-0x00000000017BA000-memory.dmp
            Filesize

            16.7MB

          • memory/2940-103-0x0000000000700000-0x00000000017BA000-memory.dmp
            Filesize

            16.7MB

          • memory/2940-104-0x0000000000700000-0x00000000017BA000-memory.dmp
            Filesize

            16.7MB

          • memory/2940-17-0x0000000000700000-0x00000000017BA000-memory.dmp
            Filesize

            16.7MB

          • memory/2940-19-0x0000000000700000-0x00000000017BA000-memory.dmp
            Filesize

            16.7MB

          • memory/2940-117-0x0000000000700000-0x00000000017BA000-memory.dmp
            Filesize

            16.7MB

          • memory/2940-147-0x0000000000700000-0x00000000017BA000-memory.dmp
            Filesize

            16.7MB

          • memory/2940-146-0x0000000000400000-0x0000000000412000-memory.dmp
            Filesize

            72KB

          • memory/2940-12-0x0000000000700000-0x00000000017BA000-memory.dmp
            Filesize

            16.7MB

          • memory/2940-11-0x0000000000400000-0x0000000000412000-memory.dmp
            Filesize

            72KB