Analysis

  • max time kernel
    149s
  • max time network
    47s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    04-06-2022 09:37

General

  • Target

    11169085e7f27cf6215fc3ecdb7bea3b60f10cfbb673ec221288f2cb7c5fdd84.exe

  • Size

    127KB

  • MD5

    f28206ea5aca860609d3df46404637e0

  • SHA1

    6e22446ca518b78c95afff96a9e733eb6d4ee53c

  • SHA256

    11169085e7f27cf6215fc3ecdb7bea3b60f10cfbb673ec221288f2cb7c5fdd84

  • SHA512

    3ad6f49b13c33c4e109d9e939250d164d2f8df7f122a2507c177b2f81882d7fa1dcfe284ec3649079d6ddee8a95e063974a1ae3e8c60ef2012f23b38d8d03828

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 3 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 22 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Drops autorun.inf file 1 TTPs 1 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). Likely ransomware behaviour.

  • Suspicious behavior: EnumeratesProcesses 14 IoCs
  • Suspicious use of AdjustPrivilegeToken 20 IoCs
  • Suspicious use of WriteProcessMemory 42 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:1268
      • C:\Users\Admin\AppData\Local\Temp\11169085e7f27cf6215fc3ecdb7bea3b60f10cfbb673ec221288f2cb7c5fdd84.exe
        "C:\Users\Admin\AppData\Local\Temp\11169085e7f27cf6215fc3ecdb7bea3b60f10cfbb673ec221288f2cb7c5fdd84.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:560
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1188
      • C:\Windows\system32\taskhost.exe
        "taskhost.exe"
        1⤵
          PID:1136

        Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/560-54-0x0000000075701000-0x0000000075703000-memory.dmp
          Filesize

          8KB

        • memory/560-55-0x0000000001E70000-0x0000000002EFE000-memory.dmp
          Filesize

          16.6MB

        • memory/560-56-0x0000000000400000-0x000000000041B000-memory.dmp
          Filesize

          108KB

        • memory/560-58-0x0000000001E70000-0x0000000002EFE000-memory.dmp
          Filesize

          16.6MB

        • memory/560-57-0x00000000742B1000-0x00000000742B3000-memory.dmp
          Filesize

          8KB

        • memory/560-59-0x00000000003E0000-0x00000000003E2000-memory.dmp
          Filesize

          8KB

        • memory/560-60-0x00000000046F0000-0x00000000046F2000-memory.dmp
          Filesize

          8KB

        • memory/560-61-0x0000000001E70000-0x0000000002EFE000-memory.dmp
          Filesize

          16.6MB

        • memory/560-62-0x00000000003E0000-0x00000000003E2000-memory.dmp
          Filesize

          8KB

        • memory/560-63-0x00000000046F0000-0x00000000046F2000-memory.dmp
          Filesize

          8KB