Analysis

  • max time kernel
    119s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20231129-en
  • resource tags

    arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
  • submitted
    25/04/2024, 04:59

General

  • Target

    ede5b7c1d4779068ce5f5f2442937caafba146ad9d729dbe38229e869f3b9038.exe

  • Size

    1.2MB

  • MD5

    ba6b3892770aa59258cdd2688ac65458

  • SHA1

    b9197af2545efbd4d08c0642d4f26f7c7cba14d3

  • SHA256

    ede5b7c1d4779068ce5f5f2442937caafba146ad9d729dbe38229e869f3b9038

  • SHA512

    8568170c85f8f1fc610120611272cb6e9ef6a4f2294353596a02efe42310ecb81737cc3cde12d522f86bac559fe5472c611774223cda64f78fb8987640a61119

  • SSDEEP

    24576:S2rgoy9bk1k3ObjdCWzZoAJXp9I4/iH62NXjNL9GBTFL//WqPVsh7yKArEH7jX:/foA3e0L/H0OKX

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 2 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
  • Detects executables packed with Sality Polymorphic Code Generator or Simple Poly Engine or Sality 10 IoCs
  • UPX dump on OEP (original entry point) 15 IoCs
  • ACProtect 1.3x - 1.4x DLL software 1 IoCs

    Detects file using ACProtect software.

  • Loads dropped DLL 1 IoCs
  • UPX packed file 13 IoCs

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

  • Windows security modification 2 TTPs 7 IoCs
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Enumerates connected drives 3 TTPs 7 IoCs

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

  • Drops file in Program Files directory 1 IoCs
  • Drops file in Windows directory 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Windows\system32\taskhost.exe
    "taskhost.exe"
    1⤵
      PID:1260
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1332
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1368
          • C:\Users\Admin\AppData\Local\Temp\ede5b7c1d4779068ce5f5f2442937caafba146ad9d729dbe38229e869f3b9038.exe
            "C:\Users\Admin\AppData\Local\Temp\ede5b7c1d4779068ce5f5f2442937caafba146ad9d729dbe38229e869f3b9038.exe"
            2⤵
            • Modifies firewall policy service
            • UAC bypass
            • Windows security bypass
            • Loads dropped DLL
            • Windows security modification
            • Checks whether UAC is enabled
            • Enumerates connected drives
            • Drops file in Program Files directory
            • Drops file in Windows directory
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious use of SetWindowsHookEx
            • Suspicious use of WriteProcessMemory
            • System policy modification
            PID:1160
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:812

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\Users\Admin\AppData\Local\Temp\A1D26E2\1555688488.tmp

            Filesize

            1.1MB

            MD5

            7288b87f0bb64fc2b65aa467f97ea8d3

            SHA1

            9b808127d77c389c7212090504d6c676e3406d8f

            SHA256

            6bbf9ecc3a4ff9c11b115e0e58a628de68f45a56bd760501f096e8734999147b

            SHA512

            16339aa837c555d71ac30727f6f5816bcd50e71141fbb7322408f2e68ddb20d74eebda8e45eaa0b2539b9b18f10a8832cf705fe56cd9d28204d21273eb228cf5

          • \Program Files\Common Files\System\symsrv.dll

            Filesize

            67KB

            MD5

            7574cf2c64f35161ab1292e2f532aabf

            SHA1

            14ba3fa927a06224dfe587014299e834def4644f

            SHA256

            de055a89de246e629a8694bde18af2b1605e4b9b493c7e4aef669dd67acf5085

            SHA512

            4db19f2d8d5bc1c7bbb812d3fa9c43b80fa22140b346d2760f090b73aed8a5177edb4bddc647a6ebd5a2db8565be5a1a36a602b0d759e38540d9a584ba5896ab

          • memory/1160-26-0x0000000002DC0000-0x0000000002DC2000-memory.dmp

            Filesize

            8KB

          • memory/1160-27-0x0000000004D20000-0x0000000004D21000-memory.dmp

            Filesize

            4KB

          • memory/1160-10-0x0000000002EA0000-0x0000000003F2E000-memory.dmp

            Filesize

            16.6MB

          • memory/1160-12-0x0000000002EA0000-0x0000000003F2E000-memory.dmp

            Filesize

            16.6MB

          • memory/1160-50-0x0000000000400000-0x00000000007CD000-memory.dmp

            Filesize

            3.8MB

          • memory/1160-16-0x0000000002EA0000-0x0000000003F2E000-memory.dmp

            Filesize

            16.6MB

          • memory/1160-20-0x0000000002EA0000-0x0000000003F2E000-memory.dmp

            Filesize

            16.6MB

          • memory/1160-23-0x0000000002EA0000-0x0000000003F2E000-memory.dmp

            Filesize

            16.6MB

          • memory/1160-1-0x0000000000400000-0x00000000007CD000-memory.dmp

            Filesize

            3.8MB

          • memory/1160-30-0x0000000002DC0000-0x0000000002DC2000-memory.dmp

            Filesize

            8KB

          • memory/1160-29-0x0000000002EA0000-0x0000000003F2E000-memory.dmp

            Filesize

            16.6MB

          • memory/1160-6-0x0000000002EA0000-0x0000000003F2E000-memory.dmp

            Filesize

            16.6MB

          • memory/1160-32-0x0000000004D20000-0x0000000004D21000-memory.dmp

            Filesize

            4KB

          • memory/1160-33-0x0000000002EA0000-0x0000000003F2E000-memory.dmp

            Filesize

            16.6MB

          • memory/1160-5-0x0000000010000000-0x0000000010030000-memory.dmp

            Filesize

            192KB

          • memory/1160-35-0x0000000002EA0000-0x0000000003F2E000-memory.dmp

            Filesize

            16.6MB

          • memory/1160-37-0x0000000000400000-0x00000000007CD000-memory.dmp

            Filesize

            3.8MB

          • memory/1160-41-0x0000000002DC0000-0x0000000002DC2000-memory.dmp

            Filesize

            8KB

          • memory/1160-38-0x0000000002EA0000-0x0000000003F2E000-memory.dmp

            Filesize

            16.6MB

          • memory/1160-49-0x0000000010000000-0x0000000010030000-memory.dmp

            Filesize

            192KB

          • memory/1260-13-0x0000000001F10000-0x0000000001F12000-memory.dmp

            Filesize

            8KB