Analysis

  • max time kernel
    119s
  • max time network
    56s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    16-12-2024 12:14

General

  • Target

    c365ea7f98ac7786cbaeb3e3ad8668ad70554d75adca5fc8ba322e177c41ea7cN.exe

  • Size

    97KB

  • MD5

    d65186e8bc9f2646a74debf5bfa09450

  • SHA1

    3d8593673d944df51a61f1a42e7f6767586053d6

  • SHA256

    c365ea7f98ac7786cbaeb3e3ad8668ad70554d75adca5fc8ba322e177c41ea7c

  • SHA512

    8fa516dc6cfe0c1bd3076d51e69364a2c7c8ec445b3d94cc533a2e4bb1c0fffd2d7e87aea050bb35a0a5a1627d4c631c32d5755c1d5055c7b5003967bc852b9b

  • SSDEEP

    3072:ylTFPdnBPcyVFAyf8mcNi650nmRyqc504:m5VnC8umhk54LX

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 3 IoCs
  • Sality

    Sality is backdoor written in C++, first discovered in 2003.

  • Sality family
  • UAC bypass 3 TTPs 1 IoCs
  • Windows security bypass 2 TTPs 6 IoCs
  • 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.

  • UPX packed file 31 IoCs

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

  • 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).

  • 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 30 IoCs
  • Suspicious use of WriteProcessMemory 48 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Windows\system32\taskhost.exe
    "taskhost.exe"
    1⤵
      PID:1072
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1120
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1184
          • C:\Users\Admin\AppData\Local\Temp\c365ea7f98ac7786cbaeb3e3ad8668ad70554d75adca5fc8ba322e177c41ea7cN.exe
            "C:\Users\Admin\AppData\Local\Temp\c365ea7f98ac7786cbaeb3e3ad8668ad70554d75adca5fc8ba322e177c41ea7cN.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
            • System Location Discovery: System Language Discovery
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious use of WriteProcessMemory
            • System policy modification
            PID:756
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:324

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • F:\nxjyse.exe

            Filesize

            97KB

            MD5

            5eb2c14d552de7264f02bfd44d84e71d

            SHA1

            a3da9ac00d6070da95f0a470914463b3e7120811

            SHA256

            3c9ce346245841dd4496b06ed0011341b26725cbf0fa6c2998529ee1cfeb0f8d

            SHA512

            381a6505358179648ab5defdb383791fc6797d9b60ac9e95e2c8b09dedc5e17b8a36bd51cb07598717363594b1209cfb726e866a4c8110eaa8843b99546c309d

          • memory/756-55-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/756-68-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/756-4-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/756-6-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/756-3-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/756-23-0x0000000004DE0000-0x0000000004DE1000-memory.dmp

            Filesize

            4KB

          • memory/756-7-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/756-19-0x0000000004DE0000-0x0000000004DE1000-memory.dmp

            Filesize

            4KB

          • memory/756-18-0x0000000003700000-0x0000000003702000-memory.dmp

            Filesize

            8KB

          • memory/756-131-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/756-5-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/756-29-0x0000000003700000-0x0000000003702000-memory.dmp

            Filesize

            8KB

          • memory/756-11-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/756-36-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/756-8-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/756-30-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/756-31-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/756-32-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/756-1-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/756-9-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/756-10-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/756-37-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/756-39-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/756-40-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/756-42-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/756-43-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/756-48-0x0000000003700000-0x0000000003702000-memory.dmp

            Filesize

            8KB

          • memory/756-51-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/756-53-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/756-0-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/756-60-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/756-63-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/756-64-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/756-34-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/756-69-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/756-76-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/756-77-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/756-33-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/1072-12-0x00000000021F0000-0x00000000021F2000-memory.dmp

            Filesize

            8KB