Analysis

  • max time kernel
    123s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20240705-en
  • resource tags

    arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
  • submitted
    22/08/2024, 14:44

General

  • Target

    b809fe339e7aac905dfa9b90c63e446f_JaffaCakes118.exe

  • Size

    148KB

  • MD5

    b809fe339e7aac905dfa9b90c63e446f

  • SHA1

    2e8065bbf23062534b0ac55e8f84c278f881cad0

  • SHA256

    63a1755e984f870fa743e8114d7ebcd7fa81a261c86d95f42c7b02d3aa2caad8

  • SHA512

    27cfde737c82770187fc3baaef39b9bd49979a0576bf13b571fc2b8a2db0793e0a08895672817bff0aaaa0cf58cf4e2e3993bb26cf60acfc9d1567b326b8200f

  • SSDEEP

    3072:lrnP0pXOMN5Py2KjL3XPRMmGHP+q8S1IdgKN/9Ltzb:lzSRNJKv3/61PZ8SedgKN1tzb

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 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
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • UPX packed file 27 IoCs

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

  • Windows security modification 2 TTPs 7 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Enumerates connected drives 3 TTPs 21 IoCs

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

  • Drops autorun.inf file 1 TTPs 2 IoCs

    Malware can abuse Windows Autorun to spread further via attached volumes.

  • Drops file in Program Files directory 5 IoCs
  • Drops file in Windows directory 3 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 12 IoCs
  • Suspicious use of AdjustPrivilegeToken 29 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 48 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Windows\system32\taskhost.exe
    "taskhost.exe"
    1⤵
      PID:1092
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1176
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1204
          • C:\Users\Admin\AppData\Local\Temp\b809fe339e7aac905dfa9b90c63e446f_JaffaCakes118.exe
            "C:\Users\Admin\AppData\Local\Temp\b809fe339e7aac905dfa9b90c63e446f_JaffaCakes118.exe"
            2⤵
            • Modifies firewall policy service
            • UAC bypass
            • Windows security bypass
            • Windows security modification
            • Adds Run key to start application
            • Checks whether UAC is enabled
            • Enumerates connected drives
            • Drops autorun.inf file
            • Drops file in Program Files directory
            • 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:1812
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:1340

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\Windows\winlogon.exe

            Filesize

            148KB

            MD5

            b809fe339e7aac905dfa9b90c63e446f

            SHA1

            2e8065bbf23062534b0ac55e8f84c278f881cad0

            SHA256

            63a1755e984f870fa743e8114d7ebcd7fa81a261c86d95f42c7b02d3aa2caad8

            SHA512

            27cfde737c82770187fc3baaef39b9bd49979a0576bf13b571fc2b8a2db0793e0a08895672817bff0aaaa0cf58cf4e2e3993bb26cf60acfc9d1567b326b8200f

          • F:\rutx.pif

            Filesize

            100KB

            MD5

            7e3d85b146f1f443656bd49d777bc48d

            SHA1

            b36608ea9372171215d0cade0f4885bc2cc5f7a4

            SHA256

            d54e8385b956294292cc64b74a5a1845d7df660eafc6602f96761b48389c6838

            SHA512

            ab6c115cf5aa7a2af5ee27ca3fc39330c996e272638c24756327757c66eacd879bb83494bf4ad81426e83835ebb1f3a1ffd43e4058042b23e8cfadaa58906ece

          • memory/1092-14-0x0000000000400000-0x0000000000402000-memory.dmp

            Filesize

            8KB

          • memory/1812-31-0x0000000002600000-0x000000000368E000-memory.dmp

            Filesize

            16.6MB

          • memory/1812-35-0x0000000002600000-0x000000000368E000-memory.dmp

            Filesize

            16.6MB

          • memory/1812-9-0x0000000002600000-0x000000000368E000-memory.dmp

            Filesize

            16.6MB

          • memory/1812-27-0x00000000002F0000-0x00000000002F2000-memory.dmp

            Filesize

            8KB

          • memory/1812-26-0x00000000002F0000-0x00000000002F2000-memory.dmp

            Filesize

            8KB

          • memory/1812-25-0x0000000000310000-0x0000000000311000-memory.dmp

            Filesize

            4KB

          • memory/1812-23-0x0000000000310000-0x0000000000311000-memory.dmp

            Filesize

            4KB

          • memory/1812-22-0x00000000002F0000-0x00000000002F2000-memory.dmp

            Filesize

            8KB

          • memory/1812-4-0x0000000002600000-0x000000000368E000-memory.dmp

            Filesize

            16.6MB

          • memory/1812-5-0x0000000002600000-0x000000000368E000-memory.dmp

            Filesize

            16.6MB

          • memory/1812-11-0x0000000002600000-0x000000000368E000-memory.dmp

            Filesize

            16.6MB

          • memory/1812-10-0x0000000002600000-0x000000000368E000-memory.dmp

            Filesize

            16.6MB

          • memory/1812-6-0x0000000002600000-0x000000000368E000-memory.dmp

            Filesize

            16.6MB

          • memory/1812-28-0x0000000002600000-0x000000000368E000-memory.dmp

            Filesize

            16.6MB

          • memory/1812-29-0x0000000002600000-0x000000000368E000-memory.dmp

            Filesize

            16.6MB

          • memory/1812-0-0x0000000000400000-0x0000000000425000-memory.dmp

            Filesize

            148KB

          • memory/1812-8-0x0000000002600000-0x000000000368E000-memory.dmp

            Filesize

            16.6MB

          • memory/1812-34-0x0000000002600000-0x000000000368E000-memory.dmp

            Filesize

            16.6MB

          • memory/1812-7-0x0000000002600000-0x000000000368E000-memory.dmp

            Filesize

            16.6MB

          • memory/1812-39-0x0000000002600000-0x000000000368E000-memory.dmp

            Filesize

            16.6MB

          • memory/1812-41-0x0000000002600000-0x000000000368E000-memory.dmp

            Filesize

            16.6MB

          • memory/1812-43-0x0000000002600000-0x000000000368E000-memory.dmp

            Filesize

            16.6MB

          • memory/1812-44-0x0000000002600000-0x000000000368E000-memory.dmp

            Filesize

            16.6MB

          • memory/1812-45-0x00000000002F0000-0x00000000002F2000-memory.dmp

            Filesize

            8KB

          • memory/1812-54-0x0000000002600000-0x000000000368E000-memory.dmp

            Filesize

            16.6MB

          • memory/1812-60-0x0000000002600000-0x000000000368E000-memory.dmp

            Filesize

            16.6MB

          • memory/1812-59-0x0000000002600000-0x000000000368E000-memory.dmp

            Filesize

            16.6MB

          • memory/1812-65-0x0000000002600000-0x000000000368E000-memory.dmp

            Filesize

            16.6MB

          • memory/1812-68-0x0000000002600000-0x000000000368E000-memory.dmp

            Filesize

            16.6MB

          • memory/1812-71-0x0000000002600000-0x000000000368E000-memory.dmp

            Filesize

            16.6MB

          • memory/1812-72-0x0000000002600000-0x000000000368E000-memory.dmp

            Filesize

            16.6MB

          • memory/1812-75-0x0000000002600000-0x000000000368E000-memory.dmp

            Filesize

            16.6MB

          • memory/1812-80-0x0000000002600000-0x000000000368E000-memory.dmp

            Filesize

            16.6MB

          • memory/1812-2-0x0000000002600000-0x000000000368E000-memory.dmp

            Filesize

            16.6MB

          • memory/1812-205-0x0000000000400000-0x0000000000425000-memory.dmp

            Filesize

            148KB