Analysis

  • max time kernel
    31s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    29-12-2024 06:25

General

  • Target

    fb9999fc1c6210ef254ab429d9d784e2f8d11c17c137a9070d7376230344efdb.exe

  • Size

    732KB

  • MD5

    dd5a9505a1c9153669b3c9e2462bcc0c

  • SHA1

    73340eb5d3961d4cfacdd8f3475017ebb337abf7

  • SHA256

    fb9999fc1c6210ef254ab429d9d784e2f8d11c17c137a9070d7376230344efdb

  • SHA512

    4c18a28fa1fb18e2c7dd11c3af49e42eae31f7a70b183cf33640780851754700dd0a80d077946ecb43a1dda16437baee320cc5f6550f7fdb7d3c81ac76552d79

  • SSDEEP

    12288:xTyjXW+48qWywrU4kGFezOAVuJ5PIfww7F5DO3HYffVhp5G:1IXW/8yw1ez54lIjF5SXYHVhHG

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

http://www.klkjwre9fqwieluoi.info/

http://kukutrustnet777888.info/

Signatures

  • Modifies firewall policy service 3 TTPs 6 IoCs
  • Modifies visibility of file extensions in Explorer 2 TTPs 1 IoCs
  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 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
  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Windows security modification 2 TTPs 14 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Checks whether UAC is enabled 1 TTPs 2 IoCs
  • Enumerates connected drives 3 TTPs 23 IoCs

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

  • UPX packed file 29 IoCs

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

  • Drops file in Windows directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 46 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 19 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:1176
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1216
          • C:\Users\Admin\AppData\Local\Temp\fb9999fc1c6210ef254ab429d9d784e2f8d11c17c137a9070d7376230344efdb.exe
            "C:\Users\Admin\AppData\Local\Temp\fb9999fc1c6210ef254ab429d9d784e2f8d11c17c137a9070d7376230344efdb.exe"
            2⤵
            • Modifies firewall policy service
            • Modifies visibility of file extensions in Explorer
            • Modifies visiblity of hidden/system files in Explorer
            • UAC bypass
            • Windows security bypass
            • Loads dropped DLL
            • Windows security modification
            • Adds Run key to start application
            • Checks whether UAC is enabled
            • Drops file in Windows directory
            • System Location Discovery: System Language Discovery
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious use of SetWindowsHookEx
            • Suspicious use of WriteProcessMemory
            • System policy modification
            PID:2072
            • C:\Users\Admin\AppData\Roaming\Microsoft\Office\rundll32.exe
              C:\Users\Admin\AppData\Roaming\Microsoft\Office\rundll32.exe
              3⤵
              • Modifies firewall policy service
              • Modifies visiblity of hidden/system files in Explorer
              • UAC bypass
              • Windows security bypass
              • Deletes itself
              • Executes dropped EXE
              • Windows security modification
              • Checks whether UAC is enabled
              • Enumerates connected drives
              • System Location Discovery: System Language Discovery
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious use of AdjustPrivilegeToken
              • Suspicious use of SetWindowsHookEx
              • Suspicious use of WriteProcessMemory
              • System policy modification
              PID:2860
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:2016

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          • C:\Users\Admin\AppData\Local\Temp\0F76ED2C_Rar\rundll32.exe

            Filesize

            664KB

            MD5

            8ca8216260b4f5e0d6e1132e49d1d25a

            SHA1

            c7ce0406001fb3eaaf82c5ad33945f01f0dddc11

            SHA256

            ddc806307ec3d800851db6c617343cad0a5e9af8dafe867b6dc2f33dd528cf64

            SHA512

            0644472c924acb7ae9c8f4b3222e5b2d3a95a9346587a104e437ab0d0c832b05fd153d7450e6d5f5f7d685be9b222712c2c6d869c05acd7efc89f63e83e29a33

          • C:\Windows\SYSTEM.INI

            Filesize

            257B

            MD5

            e2c9381cdefb136dcec1ced580262c36

            SHA1

            7fcffd1112a20bdfd7da58ecf14d64eaec72613c

            SHA256

            ce875f3876dec0363d9af9b13f5412158386900a53280b01569293f0be45e237

            SHA512

            94901ce6d5ee6399f5d6082b8272d83d21faa899f07474346bff719d0145d4aa52fc892a463a397b80c3408a5cc1e0763078ef6d088a128f4d2ef7ec880b690d

          • C:\olgxw.pif

            Filesize

            100KB

            MD5

            23fe094e0467caacbd90f8059159fb1f

            SHA1

            d0c170da74ee5f72018522392d05346427770a0b

            SHA256

            09b5d00ba137cea020fcf786708b917e42ed8dcac09986d494929a0745724780

            SHA512

            1ec599760ab57760b0b81569f0bec9dbc86cd775ef98826e82b7d59e8c5fff41e3d0c33758a42c097908009f3fae9cf211e85e70504040fa1896cf1390f09ae4

          • \Users\Admin\AppData\Roaming\Microsoft\Office\rundll32.exe

            Filesize

            732KB

            MD5

            dd5a9505a1c9153669b3c9e2462bcc0c

            SHA1

            73340eb5d3961d4cfacdd8f3475017ebb337abf7

            SHA256

            fb9999fc1c6210ef254ab429d9d784e2f8d11c17c137a9070d7376230344efdb

            SHA512

            4c18a28fa1fb18e2c7dd11c3af49e42eae31f7a70b183cf33640780851754700dd0a80d077946ecb43a1dda16437baee320cc5f6550f7fdb7d3c81ac76552d79

          • memory/1108-15-0x0000000001F50000-0x0000000001F52000-memory.dmp

            Filesize

            8KB

          • memory/2072-41-0x0000000002640000-0x00000000036CE000-memory.dmp

            Filesize

            16.6MB

          • memory/2072-14-0x0000000002640000-0x00000000036CE000-memory.dmp

            Filesize

            16.6MB

          • memory/2072-12-0x0000000002640000-0x00000000036CE000-memory.dmp

            Filesize

            16.6MB

          • memory/2072-11-0x0000000002640000-0x00000000036CE000-memory.dmp

            Filesize

            16.6MB

          • memory/2072-7-0x0000000002640000-0x00000000036CE000-memory.dmp

            Filesize

            16.6MB

          • memory/2072-27-0x0000000000200000-0x0000000000202000-memory.dmp

            Filesize

            8KB

          • memory/2072-25-0x0000000000210000-0x0000000000211000-memory.dmp

            Filesize

            4KB

          • memory/2072-22-0x0000000000210000-0x0000000000211000-memory.dmp

            Filesize

            4KB

          • memory/2072-21-0x0000000000200000-0x0000000000202000-memory.dmp

            Filesize

            8KB

          • memory/2072-8-0x0000000002640000-0x00000000036CE000-memory.dmp

            Filesize

            16.6MB

          • memory/2072-31-0x0000000002640000-0x00000000036CE000-memory.dmp

            Filesize

            16.6MB

          • memory/2072-10-0x0000000002640000-0x00000000036CE000-memory.dmp

            Filesize

            16.6MB

          • memory/2072-32-0x0000000002640000-0x00000000036CE000-memory.dmp

            Filesize

            16.6MB

          • memory/2072-33-0x0000000002640000-0x00000000036CE000-memory.dmp

            Filesize

            16.6MB

          • memory/2072-37-0x0000000002640000-0x00000000036CE000-memory.dmp

            Filesize

            16.6MB

          • memory/2072-48-0x0000000000200000-0x0000000000202000-memory.dmp

            Filesize

            8KB

          • memory/2072-56-0x0000000000400000-0x00000000004BF000-memory.dmp

            Filesize

            764KB

          • memory/2072-0-0x0000000000400000-0x00000000004BF000-memory.dmp

            Filesize

            764KB

          • memory/2072-6-0x0000000002640000-0x00000000036CE000-memory.dmp

            Filesize

            16.6MB

          • memory/2072-9-0x0000000002640000-0x00000000036CE000-memory.dmp

            Filesize

            16.6MB

          • memory/2072-13-0x0000000002640000-0x00000000036CE000-memory.dmp

            Filesize

            16.6MB

          • memory/2860-67-0x0000000003890000-0x000000000491E000-memory.dmp

            Filesize

            16.6MB

          • memory/2860-60-0x0000000003890000-0x000000000491E000-memory.dmp

            Filesize

            16.6MB

          • memory/2860-81-0x0000000000180000-0x0000000000182000-memory.dmp

            Filesize

            8KB

          • memory/2860-69-0x0000000003890000-0x000000000491E000-memory.dmp

            Filesize

            16.6MB

          • memory/2860-66-0x0000000003890000-0x000000000491E000-memory.dmp

            Filesize

            16.6MB

          • memory/2860-63-0x0000000003890000-0x000000000491E000-memory.dmp

            Filesize

            16.6MB

          • memory/2860-62-0x0000000003890000-0x000000000491E000-memory.dmp

            Filesize

            16.6MB

          • memory/2860-79-0x00000000001E0000-0x00000000001E1000-memory.dmp

            Filesize

            4KB

          • memory/2860-64-0x0000000003890000-0x000000000491E000-memory.dmp

            Filesize

            16.6MB

          • memory/2860-68-0x0000000003890000-0x000000000491E000-memory.dmp

            Filesize

            16.6MB

          • memory/2860-65-0x0000000003890000-0x000000000491E000-memory.dmp

            Filesize

            16.6MB

          • memory/2860-80-0x0000000000180000-0x0000000000182000-memory.dmp

            Filesize

            8KB

          • memory/2860-85-0x0000000003890000-0x000000000491E000-memory.dmp

            Filesize

            16.6MB

          • memory/2860-82-0x0000000003890000-0x000000000491E000-memory.dmp

            Filesize

            16.6MB

          • memory/2860-86-0x0000000003890000-0x000000000491E000-memory.dmp

            Filesize

            16.6MB

          • memory/2860-87-0x0000000003890000-0x000000000491E000-memory.dmp

            Filesize

            16.6MB

          • memory/2860-88-0x0000000003890000-0x000000000491E000-memory.dmp

            Filesize

            16.6MB

          • memory/2860-102-0x0000000003890000-0x000000000491E000-memory.dmp

            Filesize

            16.6MB

          • memory/2860-105-0x0000000000180000-0x0000000000182000-memory.dmp

            Filesize

            8KB

          • memory/2860-40-0x0000000000400000-0x00000000004BF000-memory.dmp

            Filesize

            764KB

          • memory/2860-205-0x0000000000400000-0x00000000004BF000-memory.dmp

            Filesize

            764KB