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Analysis

  • max time kernel
    120s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240220-en
  • resource tags

    arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
  • submitted
    06/07/2024, 01:19

General

  • Target

    278081c237457aae1adf9bf89b269490.dll

  • Size

    120KB

  • MD5

    278081c237457aae1adf9bf89b269490

  • SHA1

    925da4535f3fabf8a054c6c0becc373c1bdd44a9

  • SHA256

    84a6053f02280f23936da10437d8c18f0bebe8ca481d08c165cfa74c8936685b

  • SHA512

    287890a4032a99fdfd1d969f9a528d68c912446e0535a5a3d523d24a7d99c17ffadaeab16ea02c05f5ed291b3ad2c0a78086e762f221bcb7683c3006f112103c

  • SSDEEP

    1536:t4pd3AWNyzemHOzGwsOf0ZONUpcZ5OMS2gRe5qHT76fR+G5fZcUMutiqPHEu+/Sd:m8Ozt4vc6r2gU5qHT7U+y7DrIA

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
  • 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 13 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\Dwm.exe
    "C:\Windows\system32\Dwm.exe"
    1⤵
      PID:1040
    • C:\Windows\Explorer.EXE
      C:\Windows\Explorer.EXE
      1⤵
        PID:1084
        • C:\Windows\system32\rundll32.exe
          rundll32.exe C:\Users\Admin\AppData\Local\Temp\278081c237457aae1adf9bf89b269490.dll,#1
          2⤵
          • Suspicious use of WriteProcessMemory
          PID:2912
          • C:\Windows\SysWOW64\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\278081c237457aae1adf9bf89b269490.dll,#1
            3⤵
            • Loads dropped DLL
            • Suspicious use of WriteProcessMemory
            PID:2924
            • C:\Users\Admin\AppData\Local\Temp\f7613fe.exe
              C:\Users\Admin\AppData\Local\Temp\f7613fe.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:1624
            • C:\Users\Admin\AppData\Local\Temp\f7615d2.exe
              C:\Users\Admin\AppData\Local\Temp\f7615d2.exe
              4⤵
              • Executes dropped EXE
              PID:2632
            • C:\Users\Admin\AppData\Local\Temp\f763025.exe
              C:\Users\Admin\AppData\Local\Temp\f763025.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:360
      • C:\Windows\system32\taskhost.exe
        "taskhost.exe"
        1⤵
          PID:1092
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:1428

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          • C:\Windows\SYSTEM.INI

            Filesize

            257B

            MD5

            61ce88ec2646f852012ef51ce3b108a0

            SHA1

            2657434441875bead25e62f71b7ea2d32a38fee4

            SHA256

            f172a972ac7c82967463ce5c6fbe275b34d84456c7c008ea07c28e198b7815e8

            SHA512

            855b26aad0fa425494703b3c50f071f8932f4fb4453795f4f86befdebb815c45771ac8ecb0062573362d76c5881d570bced7662f61e143fe2e759e020c6989f6

          • \Users\Admin\AppData\Local\Temp\f7613fe.exe

            Filesize

            97KB

            MD5

            d7ceab29bb3450d305e50a7b701a694b

            SHA1

            46021d7b5772b352ea015603aeac533d1874099d

            SHA256

            ad7dd9926ae32146dcf161a680f28c10ef6d18031f4a7d0c9fd8fb3a1ac49af9

            SHA512

            aa29a49ca617815930ee8a79b8d1af22eedffd10984639b13efdb8ae6ea337aa76cc7c22cf951f9ae06b5801867908887bd703a54e73462e0fc5daba7219afad

          • memory/360-195-0x0000000000990000-0x0000000001A4A000-memory.dmp

            Filesize

            16.7MB

          • memory/360-194-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/360-146-0x0000000000990000-0x0000000001A4A000-memory.dmp

            Filesize

            16.7MB

          • memory/360-97-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/360-94-0x00000000002B0000-0x00000000002B1000-memory.dmp

            Filesize

            4KB

          • memory/360-95-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/360-78-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/1040-28-0x00000000001B0000-0x00000000001B2000-memory.dmp

            Filesize

            8KB

          • memory/1624-100-0x00000000006D0000-0x000000000178A000-memory.dmp

            Filesize

            16.7MB

          • memory/1624-80-0x00000000006D0000-0x000000000178A000-memory.dmp

            Filesize

            16.7MB

          • memory/1624-50-0x0000000003CD0000-0x0000000003CD2000-memory.dmp

            Filesize

            8KB

          • memory/1624-10-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/1624-21-0x00000000006D0000-0x000000000178A000-memory.dmp

            Filesize

            16.7MB

          • memory/1624-144-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/1624-14-0x00000000006D0000-0x000000000178A000-memory.dmp

            Filesize

            16.7MB

          • memory/1624-48-0x0000000003D20000-0x0000000003D21000-memory.dmp

            Filesize

            4KB

          • memory/1624-143-0x00000000006D0000-0x000000000178A000-memory.dmp

            Filesize

            16.7MB

          • memory/1624-114-0x0000000003CD0000-0x0000000003CD2000-memory.dmp

            Filesize

            8KB

          • memory/1624-22-0x00000000006D0000-0x000000000178A000-memory.dmp

            Filesize

            16.7MB

          • memory/1624-20-0x00000000006D0000-0x000000000178A000-memory.dmp

            Filesize

            16.7MB

          • memory/1624-18-0x00000000006D0000-0x000000000178A000-memory.dmp

            Filesize

            16.7MB

          • memory/1624-16-0x00000000006D0000-0x000000000178A000-memory.dmp

            Filesize

            16.7MB

          • memory/1624-62-0x00000000006D0000-0x000000000178A000-memory.dmp

            Filesize

            16.7MB

          • memory/1624-63-0x00000000006D0000-0x000000000178A000-memory.dmp

            Filesize

            16.7MB

          • memory/1624-64-0x00000000006D0000-0x000000000178A000-memory.dmp

            Filesize

            16.7MB

          • memory/1624-65-0x00000000006D0000-0x000000000178A000-memory.dmp

            Filesize

            16.7MB

          • memory/1624-66-0x00000000006D0000-0x000000000178A000-memory.dmp

            Filesize

            16.7MB

          • memory/1624-13-0x00000000006D0000-0x000000000178A000-memory.dmp

            Filesize

            16.7MB

          • memory/1624-105-0x00000000006D0000-0x000000000178A000-memory.dmp

            Filesize

            16.7MB

          • memory/1624-102-0x00000000006D0000-0x000000000178A000-memory.dmp

            Filesize

            16.7MB

          • memory/1624-81-0x00000000006D0000-0x000000000178A000-memory.dmp

            Filesize

            16.7MB

          • memory/1624-103-0x00000000006D0000-0x000000000178A000-memory.dmp

            Filesize

            16.7MB

          • memory/1624-99-0x00000000006D0000-0x000000000178A000-memory.dmp

            Filesize

            16.7MB

          • memory/1624-19-0x00000000006D0000-0x000000000178A000-memory.dmp

            Filesize

            16.7MB

          • memory/1624-17-0x00000000006D0000-0x000000000178A000-memory.dmp

            Filesize

            16.7MB

          • memory/1624-15-0x00000000006D0000-0x000000000178A000-memory.dmp

            Filesize

            16.7MB

          • memory/2632-96-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2632-89-0x0000000000270000-0x0000000000271000-memory.dmp

            Filesize

            4KB

          • memory/2632-61-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2632-90-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2632-142-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2924-37-0x00000000001A0000-0x00000000001A2000-memory.dmp

            Filesize

            8KB

          • memory/2924-75-0x00000000001A0000-0x00000000001A2000-memory.dmp

            Filesize

            8KB

          • memory/2924-47-0x00000000001B0000-0x00000000001B1000-memory.dmp

            Filesize

            4KB

          • memory/2924-38-0x00000000001B0000-0x00000000001B1000-memory.dmp

            Filesize

            4KB

          • memory/2924-57-0x00000000001A0000-0x00000000001A2000-memory.dmp

            Filesize

            8KB

          • memory/2924-59-0x00000000001C0000-0x00000000001D2000-memory.dmp

            Filesize

            72KB

          • memory/2924-60-0x00000000001A0000-0x00000000001A2000-memory.dmp

            Filesize

            8KB

          • memory/2924-1-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2924-5-0x0000000000180000-0x0000000000192000-memory.dmp

            Filesize

            72KB