Analysis

  • max time kernel
    28s
  • max time network
    19s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    19-12-2024 20:27

General

  • Target

    1c86884ba69d0250185405606a4eb699d546004fff8a5f88d07fed066a460d0bN.dll

  • Size

    120KB

  • MD5

    f00ae4bdbaa9bbc57e51ba833dfd8950

  • SHA1

    9f5b6e11a22a051bba58a3973a76a7d099d14b43

  • SHA256

    1c86884ba69d0250185405606a4eb699d546004fff8a5f88d07fed066a460d0b

  • SHA512

    1d7bd69e881d1fe748a0c946cd0812cf558ea0f21fb4d28685ee918010ee066ab604a888a18a490fe655b14b7d11f354560c4698e4373d29566e88eded004971

  • SSDEEP

    3072:T6zf/0IaPB4Wh709StVW+9yFztGZiHvr6UGatqYG4:TWf6Z4g0kW+EFwiHNGv

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 14 IoCs

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

  • UPX packed file 23 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 42 IoCs
  • Suspicious use of WriteProcessMemory 38 IoCs
  • System policy modification 1 TTPs 2 IoCs

Processes

  • C:\Windows\system32\taskhost.exe
    "taskhost.exe"
    1⤵
      PID:1232
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1320
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1360
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\1c86884ba69d0250185405606a4eb699d546004fff8a5f88d07fed066a460d0bN.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:392
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\1c86884ba69d0250185405606a4eb699d546004fff8a5f88d07fed066a460d0bN.dll,#1
              3⤵
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:2388
              • C:\Users\Admin\AppData\Local\Temp\f783063.exe
                C:\Users\Admin\AppData\Local\Temp\f783063.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:2552
              • C:\Users\Admin\AppData\Local\Temp\f783505.exe
                C:\Users\Admin\AppData\Local\Temp\f783505.exe
                4⤵
                • Executes dropped EXE
                PID:2996
              • C:\Users\Admin\AppData\Local\Temp\f784c1d.exe
                C:\Users\Admin\AppData\Local\Temp\f784c1d.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:2304
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:928

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\Windows\SYSTEM.INI

            Filesize

            257B

            MD5

            30134d3d2b48ed861af3ad17c513a89a

            SHA1

            8c68dc0f7ca0d1267fcad335d08aa74cdb2ec0c0

            SHA256

            b27145d967987a65a782571fc3bba2c0cf00a6f94d8e7954bec615c0b81d20f0

            SHA512

            b634e2b300b76b9c613d3769b224531b4b2faf7de29866e1f7014dc56792858a0cc0a6002f589913e75138fb0a74edde265210a448bbc60eae73216ce382d9ea

          • \Users\Admin\AppData\Local\Temp\f783063.exe

            Filesize

            97KB

            MD5

            1f80e35091c00b949b7308d00d14161f

            SHA1

            887867661cdc371709e2b828c88494340727dba8

            SHA256

            ba3c4d32bf5184d50566072c6f981715c51559e0d9202ba9217ea65f41534629

            SHA512

            e8976f3a6769999b646b4e4fabba13035c42e577ffe65bfa2867c541a7a3fbcf03878352006711792f705b59ec3c1b3299ad7dd5007f484ba5bf0f09ee2cb69b

          • memory/1232-28-0x0000000001B40000-0x0000000001B42000-memory.dmp

            Filesize

            8KB

          • memory/2304-207-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2304-112-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2304-84-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2304-113-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2304-111-0x00000000002B0000-0x00000000002B1000-memory.dmp

            Filesize

            4KB

          • memory/2304-208-0x00000000009C0000-0x0000000001A7A000-memory.dmp

            Filesize

            16.7MB

          • memory/2304-174-0x00000000009C0000-0x0000000001A7A000-memory.dmp

            Filesize

            16.7MB

          • memory/2388-7-0x0000000000130000-0x0000000000142000-memory.dmp

            Filesize

            72KB

          • memory/2388-3-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2388-38-0x00000000002C0000-0x00000000002C1000-memory.dmp

            Filesize

            4KB

          • memory/2388-2-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

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

            Filesize

            128KB

          • memory/2388-79-0x0000000000210000-0x0000000000212000-memory.dmp

            Filesize

            8KB

          • memory/2388-13-0x0000000000130000-0x0000000000142000-memory.dmp

            Filesize

            72KB

          • memory/2388-82-0x0000000000130000-0x0000000000132000-memory.dmp

            Filesize

            8KB

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

            Filesize

            128KB

          • memory/2388-62-0x00000000002D0000-0x00000000002E2000-memory.dmp

            Filesize

            72KB

          • memory/2388-61-0x00000000002D0000-0x00000000002E2000-memory.dmp

            Filesize

            72KB

          • memory/2388-48-0x0000000000210000-0x0000000000212000-memory.dmp

            Filesize

            8KB

          • memory/2388-36-0x0000000000210000-0x0000000000212000-memory.dmp

            Filesize

            8KB

          • memory/2388-37-0x0000000000210000-0x0000000000212000-memory.dmp

            Filesize

            8KB

          • memory/2388-39-0x00000000002C0000-0x00000000002C1000-memory.dmp

            Filesize

            4KB

          • memory/2552-22-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/2552-86-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/2552-47-0x00000000003E0000-0x00000000003E2000-memory.dmp

            Filesize

            8KB

          • memory/2552-14-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2552-66-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/2552-26-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/2552-65-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/2552-64-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/2552-68-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/2552-67-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/2552-70-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/2552-49-0x00000000003E0000-0x00000000003E2000-memory.dmp

            Filesize

            8KB

          • memory/2552-20-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/2552-83-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/2552-19-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/2552-46-0x00000000003F0000-0x00000000003F1000-memory.dmp

            Filesize

            4KB

          • memory/2552-88-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/2552-91-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/2552-23-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/2552-18-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/2552-24-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/2552-21-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/2552-25-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/2552-17-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/2552-155-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2552-156-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/2996-102-0x00000000003F0000-0x00000000003F1000-memory.dmp

            Filesize

            4KB

          • memory/2996-103-0x00000000003E0000-0x00000000003E2000-memory.dmp

            Filesize

            8KB

          • memory/2996-104-0x00000000003E0000-0x00000000003E2000-memory.dmp

            Filesize

            8KB

          • memory/2996-63-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB