Analysis

  • max time kernel
    150s
  • max time network
    81s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    02/10/2022, 16:50

General

  • Target

    5f442651ba3d84b9bf6fd242842b1aa3ca1bb6a76c5a3e3169c7d945b2524e35.exe

  • Size

    141KB

  • MD5

    090e640874f40fa9ed82250066615c50

  • SHA1

    fee49f3a50abda4ae304152d124b6df32d2dfe4f

  • SHA256

    5f442651ba3d84b9bf6fd242842b1aa3ca1bb6a76c5a3e3169c7d945b2524e35

  • SHA512

    573cb918c14b7b7eecd5f8e6e40265cd5d2438caf4ab3c13352ec9e59be26458594c418d0409772ab19138a2d0479bc28b44d74671acb1a296a52e1994f6dcf5

  • SSDEEP

    3072:KvXHMGDzFGQuMZYyJeSI9JSNqhuiC4asmEj6Z/:KvXsGDpGHMZNcSvAL+

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/

http://klkjwre77638dfqwieuoi888.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
  • Disables RegEdit via registry modification 1 IoCs
  • Disables Task Manager via registry modification
  • 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
  • Drops file in Program Files directory 5 IoCs
  • Drops file in Windows directory 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 14 IoCs
  • Suspicious use of AdjustPrivilegeToken 20 IoCs
  • Suspicious use of WriteProcessMemory 56 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Windows\system32\taskhost.exe
    "taskhost.exe"
    1⤵
      PID:1224
    • C:\Windows\Explorer.EXE
      C:\Windows\Explorer.EXE
      1⤵
        PID:1396
        • C:\Users\Admin\AppData\Local\Temp\5f442651ba3d84b9bf6fd242842b1aa3ca1bb6a76c5a3e3169c7d945b2524e35.exe
          "C:\Users\Admin\AppData\Local\Temp\5f442651ba3d84b9bf6fd242842b1aa3ca1bb6a76c5a3e3169c7d945b2524e35.exe"
          2⤵
          • Modifies firewall policy service
          • UAC bypass
          • Windows security bypass
          • Disables RegEdit via registry modification
          • Windows security modification
          • Checks whether UAC is enabled
          • 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:768
      • C:\Windows\system32\Dwm.exe
        "C:\Windows\system32\Dwm.exe"
        1⤵
          PID:1340
        • C:\Windows\system32\conhost.exe
          \??\C:\Windows\system32\conhost.exe "136453065417325176731557898367-304764448-9940833042125011644-553547808540570334"
          1⤵
            PID:536

          Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • memory/768-54-0x0000000076871000-0x0000000076873000-memory.dmp

            Filesize

            8KB

          • memory/768-55-0x0000000003CB0000-0x0000000004D3E000-memory.dmp

            Filesize

            16.6MB

          • memory/768-56-0x0000000000400000-0x0000000000423000-memory.dmp

            Filesize

            140KB

          • memory/768-57-0x0000000003CB0000-0x0000000004D3E000-memory.dmp

            Filesize

            16.6MB

          • memory/768-58-0x0000000001600000-0x0000000001602000-memory.dmp

            Filesize

            8KB

          • memory/768-59-0x0000000003CB0000-0x0000000004D3E000-memory.dmp

            Filesize

            16.6MB

          • memory/768-60-0x0000000001600000-0x0000000001602000-memory.dmp

            Filesize

            8KB

          • memory/768-61-0x0000000000400000-0x0000000000423000-memory.dmp

            Filesize

            140KB