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Analysis

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

    arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
  • submitted
    09/04/2024, 21:59

General

  • Target

    944fc5ec5a7fb6e4c000b3e1074db66eeaa49e99be3332448b6bac209432cfed.exe

  • Size

    65KB

  • MD5

    e6cb87fd55f70cfe270153540e754b83

  • SHA1

    b24cfa3e644364c0196f3b1fd770f95eaced27a5

  • SHA256

    944fc5ec5a7fb6e4c000b3e1074db66eeaa49e99be3332448b6bac209432cfed

  • SHA512

    f67840cb16290aa2547bd34797a19349e5e1f87c5a27f592f01585903b6a97c7a2a27198318d86cea81fda37865c44ef6dd3734e85d19b537723035c0f2ca5e1

  • SSDEEP

    1536:OR2sajeHGkJaGimerlT+by6/r+RRPPV/yjKuX:wR6dZprl56/raPV/yjKuX

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 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 30 IoCs
  • UPX dump on OEP (original entry point) 30 IoCs
  • UPX packed file 30 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 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 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 12 IoCs
  • Suspicious use of AdjustPrivilegeToken 32 IoCs
  • Suspicious use of WriteProcessMemory 37 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Windows\system32\taskhost.exe
    "taskhost.exe"
    1⤵
      PID:1104
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1176
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1200
          • C:\Users\Admin\AppData\Local\Temp\944fc5ec5a7fb6e4c000b3e1074db66eeaa49e99be3332448b6bac209432cfed.exe
            "C:\Users\Admin\AppData\Local\Temp\944fc5ec5a7fb6e4c000b3e1074db66eeaa49e99be3332448b6bac209432cfed.exe"
            2⤵
            • Modifies firewall policy service
            • UAC bypass
            • Windows security bypass
            • Windows security modification
            • Checks whether UAC is enabled
            • Enumerates connected drives
            • Drops autorun.inf file
            • Drops file in Program Files directory
            • Drops file in Windows directory
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious use of WriteProcessMemory
            • System policy modification
            PID:1732
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:1832

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • F:\tqxad.exe

            Filesize

            97KB

            MD5

            37f2b9b0c684e6bff30697c7a8866327

            SHA1

            b1ce17b40eff4e7be9876268fbee0ca513bb8c6b

            SHA256

            5e77784a4150bb49c6a8aec1dda727586d5b2761fb5e095c240ed71ac1af13c8

            SHA512

            81489fd9301e1a58ec566ff2cb17ab6875dd5f50a71bbfc1a3e5f01d9499911527c701fa748ad540c94a9164e934eb4934e45fe8c3158c1299e44f9d466d0f55

          • memory/1104-6-0x0000000000270000-0x0000000000272000-memory.dmp

            Filesize

            8KB

          • memory/1732-33-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/1732-4-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/1732-5-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/1732-8-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/1732-11-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/1732-14-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/1732-16-0x0000000004350000-0x0000000004352000-memory.dmp

            Filesize

            8KB

          • memory/1732-17-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/1732-22-0x0000000004350000-0x0000000004352000-memory.dmp

            Filesize

            8KB

          • memory/1732-18-0x0000000004720000-0x0000000004721000-memory.dmp

            Filesize

            4KB

          • memory/1732-24-0x0000000004720000-0x0000000004721000-memory.dmp

            Filesize

            4KB

          • memory/1732-23-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/1732-25-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/1732-26-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/1732-31-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/1732-32-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/1732-34-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/1732-0-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/1732-61-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/1732-37-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/1732-38-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/1732-39-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/1732-41-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/1732-43-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/1732-49-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/1732-51-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/1732-53-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/1732-57-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/1732-35-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/1732-68-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/1732-70-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/1732-72-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/1732-74-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/1732-80-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/1732-84-0x0000000004350000-0x0000000004352000-memory.dmp

            Filesize

            8KB

          • memory/1732-2-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB