Analysis

  • max time kernel
    122s
  • max time network
    126s
  • platform
    windows7_x64
  • resource
    win7-20241023-en
  • resource tags

    arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
  • submitted
    29-12-2024 01:23

General

  • Target

    8121edee937ebeb02f1ab5c67e0a52f22c4d0dc7a33b7a765d594f6290535f9d.dll

  • Size

    120KB

  • MD5

    7d02eae10f6bf8a4b0acf68257c01b55

  • SHA1

    a6101f067956881d067280589d9ee85cf59f8b73

  • SHA256

    8121edee937ebeb02f1ab5c67e0a52f22c4d0dc7a33b7a765d594f6290535f9d

  • SHA512

    28afbac3794f09ee536c43fec171533eb8272afad9871d3881829369686f907860b4cf47acd89fc221abb58c55683bfdbd2fc210c0e00a79a04e82cd5687aa9e

  • SSDEEP

    3072:oDDOLrPp4/NDogsuBPkE2U1Xsb1+zNLKU/Ulz:oJ5oRgPkE24E+p2+Gz

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 16 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:1092
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1156
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1184
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\8121edee937ebeb02f1ab5c67e0a52f22c4d0dc7a33b7a765d594f6290535f9d.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:1040
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\8121edee937ebeb02f1ab5c67e0a52f22c4d0dc7a33b7a765d594f6290535f9d.dll,#1
              3⤵
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:2324
              • C:\Users\Admin\AppData\Local\Temp\f76c745.exe
                C:\Users\Admin\AppData\Local\Temp\f76c745.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:2336
              • C:\Users\Admin\AppData\Local\Temp\f76c8cb.exe
                C:\Users\Admin\AppData\Local\Temp\f76c8cb.exe
                4⤵
                • Executes dropped EXE
                PID:1272
              • C:\Users\Admin\AppData\Local\Temp\f76e2ff.exe
                C:\Users\Admin\AppData\Local\Temp\f76e2ff.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:2788
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:1244

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          • C:\Windows\SYSTEM.INI

            Filesize

            257B

            MD5

            d4c889816b174fa47c1582687698d6d6

            SHA1

            911eb44621759e6bb8ed67859c5d88270e230ec8

            SHA256

            bd9e6bc800370da2e9d355f81d76bec5559ac9f4745c08f448fc1584bfe26eb9

            SHA512

            ece3d9ac8a29ac190a096b783d0116f59209f5c57f9b1ef72289ea032441732afc1920b021cec00ec369aaf94ba7e2def088ba9e460b07a07e298e6884def5e0

          • \Users\Admin\AppData\Local\Temp\f76c745.exe

            Filesize

            97KB

            MD5

            3a50cec4e14bc67fcf2431fb103395e7

            SHA1

            5d6c2b391eba945ec74fdb0171b9eb62c411df40

            SHA256

            01ec78c58caf18f6d10c75cff757154a6087ee67e0a5f02cd031a1c210a35f01

            SHA512

            648b3699b9528c29c99eebed6ed3c4980dab5d3882eea9bb319c1e1415f40e3d920757f872808a3906cf7baa892f5ae163de0164bd1bf7a2235e6e9cce3433fc

          • memory/1092-20-0x0000000002170000-0x0000000002172000-memory.dmp

            Filesize

            8KB

          • memory/1272-58-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/1272-163-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/1272-97-0x00000000002B0000-0x00000000002B1000-memory.dmp

            Filesize

            4KB

          • memory/1272-100-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/1272-98-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2324-57-0x00000000001E0000-0x00000000001E2000-memory.dmp

            Filesize

            8KB

          • memory/2324-56-0x0000000000450000-0x0000000000462000-memory.dmp

            Filesize

            72KB

          • memory/2324-27-0x00000000001E0000-0x00000000001E2000-memory.dmp

            Filesize

            8KB

          • memory/2324-28-0x00000000001F0000-0x00000000001F1000-memory.dmp

            Filesize

            4KB

          • memory/2324-10-0x0000000000170000-0x0000000000182000-memory.dmp

            Filesize

            72KB

          • memory/2324-1-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2324-49-0x00000000001E0000-0x00000000001E2000-memory.dmp

            Filesize

            8KB

          • memory/2324-3-0x0000000000170000-0x0000000000182000-memory.dmp

            Filesize

            72KB

          • memory/2324-71-0x0000000000470000-0x0000000000482000-memory.dmp

            Filesize

            72KB

          • memory/2324-76-0x00000000001E0000-0x00000000001E2000-memory.dmp

            Filesize

            8KB

          • memory/2324-80-0x0000000000170000-0x0000000000172000-memory.dmp

            Filesize

            8KB

          • memory/2324-39-0x00000000001F0000-0x00000000001F1000-memory.dmp

            Filesize

            4KB

          • memory/2336-61-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/2336-84-0x00000000003D0000-0x00000000003D2000-memory.dmp

            Filesize

            8KB

          • memory/2336-17-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/2336-55-0x00000000003D0000-0x00000000003D2000-memory.dmp

            Filesize

            8KB

          • memory/2336-38-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/2336-60-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/2336-37-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/2336-62-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/2336-63-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/2336-64-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/2336-66-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/2336-67-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/2336-13-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/2336-16-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/2336-19-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/2336-40-0x00000000003E0000-0x00000000003E1000-memory.dmp

            Filesize

            4KB

          • memory/2336-82-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/2336-14-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/2336-86-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/2336-87-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/2336-150-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/2336-11-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/2336-149-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2336-18-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/2336-15-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/2336-59-0x00000000003D0000-0x00000000003D2000-memory.dmp

            Filesize

            8KB

          • memory/2336-109-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/2788-128-0x00000000001F0000-0x00000000001F2000-memory.dmp

            Filesize

            8KB

          • memory/2788-105-0x00000000001F0000-0x00000000001F2000-memory.dmp

            Filesize

            8KB

          • memory/2788-106-0x0000000000200000-0x0000000000201000-memory.dmp

            Filesize

            4KB

          • memory/2788-107-0x00000000001F0000-0x00000000001F2000-memory.dmp

            Filesize

            8KB

          • memory/2788-179-0x0000000000910000-0x00000000019CA000-memory.dmp

            Filesize

            16.7MB

          • memory/2788-81-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2788-207-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2788-206-0x0000000000910000-0x00000000019CA000-memory.dmp

            Filesize

            16.7MB