Analysis

  • max time kernel
    119s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240508-en
  • resource tags

    arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
  • submitted
    21-05-2024 05:54

General

  • Target

    f2d4b46298c0db8261961f037da10588a6a0e923d0b28bf6b2e050916e2ce1e3.exe

  • Size

    542KB

  • MD5

    a38376be489ffc8ab2ab5a451a4ee805

  • SHA1

    570acbab0528e5af9a14b15541259bd43d36abdc

  • SHA256

    f2d4b46298c0db8261961f037da10588a6a0e923d0b28bf6b2e050916e2ce1e3

  • SHA512

    5c591ef2111afb2cc643b9965ce05417e815462e8713ecaa84de05f3728542c6c28b32d1094cc8e10d3d9300a6172cb30a5fe0358570ed9a879caba46fd7a177

  • SSDEEP

    6144:QIIIIxcvYgcFmWnp7wbEj5BRYELb6L9uv1tIAul6p+AOy6PUhU0XlSb7PAT/eFGz:crgZWpluEP6LcWl6p+og9PkGw6/dQ

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 23 IoCs
  • UPX dump on OEP (original entry point) 24 IoCs
  • UPX packed file 23 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 Windows directory 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 21 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Windows\system32\taskhost.exe
    "taskhost.exe"
    1⤵
      PID:1052
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1124
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1180
          • C:\Users\Admin\AppData\Local\Temp\f2d4b46298c0db8261961f037da10588a6a0e923d0b28bf6b2e050916e2ce1e3.exe
            "C:\Users\Admin\AppData\Local\Temp\f2d4b46298c0db8261961f037da10588a6a0e923d0b28bf6b2e050916e2ce1e3.exe"
            2⤵
            • Modifies firewall policy service
            • UAC bypass
            • Windows security bypass
            • Windows security modification
            • Checks whether UAC is enabled
            • Enumerates connected drives
            • Drops file in Windows directory
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious use of WriteProcessMemory
            • System policy modification
            PID:1868
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:1740

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • memory/1052-18-0x0000000002030000-0x0000000002032000-memory.dmp

            Filesize

            8KB

          • memory/1868-8-0x0000000001EA0000-0x0000000002F5A000-memory.dmp

            Filesize

            16.7MB

          • memory/1868-77-0x0000000000400000-0x0000000000494000-memory.dmp

            Filesize

            592KB

          • memory/1868-11-0x0000000001EA0000-0x0000000002F5A000-memory.dmp

            Filesize

            16.7MB

          • memory/1868-32-0x0000000000530000-0x0000000000531000-memory.dmp

            Filesize

            4KB

          • memory/1868-3-0x0000000001EA0000-0x0000000002F5A000-memory.dmp

            Filesize

            16.7MB

          • memory/1868-10-0x0000000001EA0000-0x0000000002F5A000-memory.dmp

            Filesize

            16.7MB

          • memory/1868-5-0x0000000001EA0000-0x0000000002F5A000-memory.dmp

            Filesize

            16.7MB

          • memory/1868-9-0x0000000001EA0000-0x0000000002F5A000-memory.dmp

            Filesize

            16.7MB

          • memory/1868-28-0x0000000000520000-0x0000000000522000-memory.dmp

            Filesize

            8KB

          • memory/1868-29-0x0000000000530000-0x0000000000531000-memory.dmp

            Filesize

            4KB

          • memory/1868-7-0x0000000001EA0000-0x0000000002F5A000-memory.dmp

            Filesize

            16.7MB

          • memory/1868-34-0x0000000000520000-0x0000000000522000-memory.dmp

            Filesize

            8KB

          • memory/1868-33-0x0000000000520000-0x0000000000522000-memory.dmp

            Filesize

            8KB

          • memory/1868-12-0x0000000001EA0000-0x0000000002F5A000-memory.dmp

            Filesize

            16.7MB

          • memory/1868-6-0x0000000001EA0000-0x0000000002F5A000-memory.dmp

            Filesize

            16.7MB

          • memory/1868-35-0x0000000001EA0000-0x0000000002F5A000-memory.dmp

            Filesize

            16.7MB

          • memory/1868-4-0x0000000001EA0000-0x0000000002F5A000-memory.dmp

            Filesize

            16.7MB

          • memory/1868-36-0x0000000001EA0000-0x0000000002F5A000-memory.dmp

            Filesize

            16.7MB

          • memory/1868-37-0x0000000001EA0000-0x0000000002F5A000-memory.dmp

            Filesize

            16.7MB

          • memory/1868-38-0x0000000001EA0000-0x0000000002F5A000-memory.dmp

            Filesize

            16.7MB

          • memory/1868-39-0x0000000001EA0000-0x0000000002F5A000-memory.dmp

            Filesize

            16.7MB

          • memory/1868-41-0x0000000001EA0000-0x0000000002F5A000-memory.dmp

            Filesize

            16.7MB

          • memory/1868-42-0x0000000001EA0000-0x0000000002F5A000-memory.dmp

            Filesize

            16.7MB

          • memory/1868-43-0x0000000001EA0000-0x0000000002F5A000-memory.dmp

            Filesize

            16.7MB

          • memory/1868-44-0x0000000001EA0000-0x0000000002F5A000-memory.dmp

            Filesize

            16.7MB

          • memory/1868-47-0x0000000001EA0000-0x0000000002F5A000-memory.dmp

            Filesize

            16.7MB

          • memory/1868-48-0x0000000001EA0000-0x0000000002F5A000-memory.dmp

            Filesize

            16.7MB

          • memory/1868-56-0x0000000001EA0000-0x0000000002F5A000-memory.dmp

            Filesize

            16.7MB

          • memory/1868-58-0x0000000001EA0000-0x0000000002F5A000-memory.dmp

            Filesize

            16.7MB

          • memory/1868-66-0x0000000000520000-0x0000000000522000-memory.dmp

            Filesize

            8KB

          • memory/1868-0-0x0000000000400000-0x0000000000494000-memory.dmp

            Filesize

            592KB