Analysis

  • max time kernel
    118s
  • max time network
    60s
  • platform
    windows7_x64
  • resource
    win7-20240729-en
  • resource tags

    arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
  • submitted
    19-12-2024 06:44

General

  • Target

    efa3836cdac2e7eea56541ebb634d4440066bdaec625066f40389a412396fd5f.exe

  • Size

    65KB

  • MD5

    2f2c222cb0a216cf781e62fc97b265b9

  • SHA1

    331276bbc63856cf037ff0697d97bce006d16235

  • SHA256

    efa3836cdac2e7eea56541ebb634d4440066bdaec625066f40389a412396fd5f

  • SHA512

    c8e174d9599665022944161a1bfcf85eed854a5cfe0d977135f7fdf954859941f7bc1dd130dfb2b66d88225de7b5715dea45811ce9256c4be2bda3c0acdaf0cc

  • SSDEEP

    1536:i1eT5QnSzx7alKzwt3v4VCpTSQbRpjcNULIlPq74eWHsgGOxRwGlRns:i1O5h7UKzRV2SQHpI9q7HWHsiLwERs

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 28 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 25 IoCs
  • Suspicious use of WriteProcessMemory 48 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Windows\system32\taskhost.exe
    "taskhost.exe"
    1⤵
      PID:1140
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1268
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1360
          • C:\Users\Admin\AppData\Local\Temp\efa3836cdac2e7eea56541ebb634d4440066bdaec625066f40389a412396fd5f.exe
            "C:\Users\Admin\AppData\Local\Temp\efa3836cdac2e7eea56541ebb634d4440066bdaec625066f40389a412396fd5f.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:2748
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:2036

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\ariej.exe

            Filesize

            97KB

            MD5

            e0c9fc879758d4de0fca972ab8a1c3a6

            SHA1

            9bf3a9e4046820f4db65f8ef0dba43b4daa25849

            SHA256

            63020436e95556ea7286691a5cd73f15198fd102e60f5e89e6fb8a4b6647d85a

            SHA512

            1969195d410ab39997d2cb0def79ac693fc4e9b24b68486b58671c28bc9737ff16706b9ad65158c3560201d7e6700215e0d413732faa6b1bdb6cbaafa21ca59f

          • memory/1140-17-0x00000000003C0000-0x00000000003C2000-memory.dmp

            Filesize

            8KB

          • memory/2748-33-0x0000000000670000-0x000000000172A000-memory.dmp

            Filesize

            16.7MB

          • memory/2748-1-0x0000000000670000-0x000000000172A000-memory.dmp

            Filesize

            16.7MB

          • memory/2748-28-0x0000000003010000-0x0000000003012000-memory.dmp

            Filesize

            8KB

          • memory/2748-11-0x0000000000670000-0x000000000172A000-memory.dmp

            Filesize

            16.7MB

          • memory/2748-29-0x0000000003010000-0x0000000003012000-memory.dmp

            Filesize

            8KB

          • memory/2748-10-0x0000000000670000-0x000000000172A000-memory.dmp

            Filesize

            16.7MB

          • memory/2748-9-0x0000000000670000-0x000000000172A000-memory.dmp

            Filesize

            16.7MB

          • memory/2748-7-0x0000000000670000-0x000000000172A000-memory.dmp

            Filesize

            16.7MB

          • memory/2748-0-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2748-6-0x0000000000670000-0x000000000172A000-memory.dmp

            Filesize

            16.7MB

          • memory/2748-24-0x00000000034D0000-0x00000000034D1000-memory.dmp

            Filesize

            4KB

          • memory/2748-23-0x0000000003010000-0x0000000003012000-memory.dmp

            Filesize

            8KB

          • memory/2748-8-0x0000000000670000-0x000000000172A000-memory.dmp

            Filesize

            16.7MB

          • memory/2748-3-0x0000000000670000-0x000000000172A000-memory.dmp

            Filesize

            16.7MB

          • memory/2748-5-0x0000000000670000-0x000000000172A000-memory.dmp

            Filesize

            16.7MB

          • memory/2748-31-0x0000000000670000-0x000000000172A000-memory.dmp

            Filesize

            16.7MB

          • memory/2748-30-0x0000000000670000-0x000000000172A000-memory.dmp

            Filesize

            16.7MB

          • memory/2748-32-0x0000000000670000-0x000000000172A000-memory.dmp

            Filesize

            16.7MB

          • memory/2748-27-0x00000000034D0000-0x00000000034D1000-memory.dmp

            Filesize

            4KB

          • memory/2748-4-0x0000000000670000-0x000000000172A000-memory.dmp

            Filesize

            16.7MB

          • memory/2748-50-0x0000000000670000-0x000000000172A000-memory.dmp

            Filesize

            16.7MB

          • memory/2748-37-0x0000000000670000-0x000000000172A000-memory.dmp

            Filesize

            16.7MB

          • memory/2748-48-0x0000000000380000-0x0000000000382000-memory.dmp

            Filesize

            8KB

          • memory/2748-49-0x0000000000380000-0x0000000000382000-memory.dmp

            Filesize

            8KB

          • memory/2748-47-0x0000000000540000-0x0000000000541000-memory.dmp

            Filesize

            4KB

          • memory/2748-36-0x0000000000670000-0x000000000172A000-memory.dmp

            Filesize

            16.7MB

          • memory/2748-53-0x0000000000670000-0x000000000172A000-memory.dmp

            Filesize

            16.7MB

          • memory/2748-54-0x0000000000670000-0x000000000172A000-memory.dmp

            Filesize

            16.7MB

          • memory/2748-55-0x0000000000670000-0x000000000172A000-memory.dmp

            Filesize

            16.7MB

          • memory/2748-58-0x0000000000670000-0x000000000172A000-memory.dmp

            Filesize

            16.7MB

          • memory/2748-59-0x0000000000670000-0x000000000172A000-memory.dmp

            Filesize

            16.7MB

          • memory/2748-63-0x0000000000670000-0x000000000172A000-memory.dmp

            Filesize

            16.7MB

          • memory/2748-66-0x0000000000670000-0x000000000172A000-memory.dmp

            Filesize

            16.7MB

          • memory/2748-67-0x0000000000670000-0x000000000172A000-memory.dmp

            Filesize

            16.7MB

          • memory/2748-70-0x0000000000670000-0x000000000172A000-memory.dmp

            Filesize

            16.7MB

          • memory/2748-71-0x0000000000670000-0x000000000172A000-memory.dmp

            Filesize

            16.7MB

          • memory/2748-34-0x0000000000670000-0x000000000172A000-memory.dmp

            Filesize

            16.7MB

          • memory/2748-139-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB