Analysis

  • max time kernel
    130s
  • max time network
    130s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    28/02/2024, 18:29

General

  • Target

    ac8f4580f3d36e7acdf3553625055555.exe

  • Size

    100KB

  • MD5

    ac8f4580f3d36e7acdf3553625055555

  • SHA1

    377d8ac3a9033d3982a439c87fb71d300f557f30

  • SHA256

    e1856942861a3ee59ed5310cf401ab851226089d4acd667d40bb7893ad9d4710

  • SHA512

    7ff2038664f592046b62c36f0814c6f8f65dae206bc21d07b0da4b8d64f139491667e147369159ac3a410a6b99a7143550ab8f3fb0ec559a944dd20aab232a07

  • SSDEEP

    3072:gtGBwkyGeZ/HocD8OK1WtS7ET2u8HEmdA:YGB4G6QcD8qtSdEmd

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
  • UPX packed file 22 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 1 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 30 IoCs
  • Suspicious use of WriteProcessMemory 36 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Windows\system32\taskhost.exe
    "taskhost.exe"
    1⤵
      PID:1124
    • C:\Users\Admin\AppData\Local\Temp\ac8f4580f3d36e7acdf3553625055555.exe
      "C:\Users\Admin\AppData\Local\Temp\ac8f4580f3d36e7acdf3553625055555.exe"
      1⤵
      • 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:2240
    • C:\Windows\Explorer.EXE
      C:\Windows\Explorer.EXE
      1⤵
        PID:1228
      • C:\Windows\system32\Dwm.exe
        "C:\Windows\system32\Dwm.exe"
        1⤵
          PID:1184

        Network

              MITRE ATT&CK Enterprise v15

              Replay Monitor

              Loading Replay Monitor...

              Downloads

              • C:\jluwo.pif

                Filesize

                100KB

                MD5

                5c9086904dfb848b7d0e506e25b61380

                SHA1

                560cf09e759c83e079db481ba38a74c566288906

                SHA256

                532238a418747fbdb15e4687869f8c3b01f9715c495036e84d3aec69a67c990b

                SHA512

                5cd8fdca6dae5b892c1d04f6915d3f79803d10cd639f1bba3fbe3b0fcc3968536cf5236d723333d482b43f42a3545009f807b4c2f0b949fb7a4df7a3db603e8e

              • memory/1124-6-0x0000000000220000-0x0000000000222000-memory.dmp

                Filesize

                8KB

              • memory/2240-24-0x0000000001EF0000-0x0000000002F7E000-memory.dmp

                Filesize

                16.6MB

              • memory/2240-46-0x0000000001EF0000-0x0000000002F7E000-memory.dmp

                Filesize

                16.6MB

              • memory/2240-5-0x0000000001EF0000-0x0000000002F7E000-memory.dmp

                Filesize

                16.6MB

              • memory/2240-11-0x0000000001EF0000-0x0000000002F7E000-memory.dmp

                Filesize

                16.6MB

              • memory/2240-26-0x0000000001EF0000-0x0000000002F7E000-memory.dmp

                Filesize

                16.6MB

              • memory/2240-18-0x0000000000790000-0x0000000000792000-memory.dmp

                Filesize

                8KB

              • memory/2240-15-0x0000000001EF0000-0x0000000002F7E000-memory.dmp

                Filesize

                16.6MB

              • memory/2240-16-0x00000000007A0000-0x00000000007A1000-memory.dmp

                Filesize

                4KB

              • memory/2240-20-0x0000000001EF0000-0x0000000002F7E000-memory.dmp

                Filesize

                16.6MB

              • memory/2240-21-0x00000000007A0000-0x00000000007A1000-memory.dmp

                Filesize

                4KB

              • memory/2240-22-0x0000000001EF0000-0x0000000002F7E000-memory.dmp

                Filesize

                16.6MB

              • memory/2240-23-0x0000000001EF0000-0x0000000002F7E000-memory.dmp

                Filesize

                16.6MB

              • memory/2240-4-0x0000000001EF0000-0x0000000002F7E000-memory.dmp

                Filesize

                16.6MB

              • memory/2240-0-0x0000000000400000-0x0000000000413000-memory.dmp

                Filesize

                76KB

              • memory/2240-14-0x0000000000790000-0x0000000000792000-memory.dmp

                Filesize

                8KB

              • memory/2240-27-0x0000000001EF0000-0x0000000002F7E000-memory.dmp

                Filesize

                16.6MB

              • memory/2240-32-0x0000000001EF0000-0x0000000002F7E000-memory.dmp

                Filesize

                16.6MB

              • memory/2240-33-0x0000000001EF0000-0x0000000002F7E000-memory.dmp

                Filesize

                16.6MB

              • memory/2240-35-0x0000000001EF0000-0x0000000002F7E000-memory.dmp

                Filesize

                16.6MB

              • memory/2240-36-0x0000000001EF0000-0x0000000002F7E000-memory.dmp

                Filesize

                16.6MB

              • memory/2240-37-0x0000000001EF0000-0x0000000002F7E000-memory.dmp

                Filesize

                16.6MB

              • memory/2240-39-0x0000000001EF0000-0x0000000002F7E000-memory.dmp

                Filesize

                16.6MB

              • memory/2240-41-0x0000000001EF0000-0x0000000002F7E000-memory.dmp

                Filesize

                16.6MB

              • memory/2240-25-0x0000000001EF0000-0x0000000002F7E000-memory.dmp

                Filesize

                16.6MB

              • memory/2240-47-0x0000000001EF0000-0x0000000002F7E000-memory.dmp

                Filesize

                16.6MB

              • memory/2240-49-0x0000000001EF0000-0x0000000002F7E000-memory.dmp

                Filesize

                16.6MB

              • memory/2240-51-0x0000000000790000-0x0000000000792000-memory.dmp

                Filesize

                8KB

              • memory/2240-2-0x0000000001EF0000-0x0000000002F7E000-memory.dmp

                Filesize

                16.6MB