Analysis

  • max time kernel
    239s
  • max time network
    33s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    05/12/2022, 13:05

General

  • Target

    75f5b1db2e93b4b9d3f80634f55f66e2864618ac813b4d8c2e72a2340ff5859e.exe

  • Size

    100KB

  • MD5

    6e622969d944f26a6c108bf9b7505870

  • SHA1

    9c1d13ce5a5cb820e912dd31355a596699f3504a

  • SHA256

    75f5b1db2e93b4b9d3f80634f55f66e2864618ac813b4d8c2e72a2340ff5859e

  • SHA512

    174a34f705ae42d968eefb602fb50c73ac745651f5d49cbe1484bd306e44bd3ee1a6fb289b24f88b8a585bbe12127009f6c966ee48f802688f6c248b624a685f

  • SSDEEP

    1536:vT9j45NpatLFV8q2Ro4VH4ip9JjJvZ55r4DianfMK2UNydNLjismqDFm:r9jRtjl2KO4izJjJvr1450K2Uw7

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 1 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 21 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:1236
      • C:\Users\Admin\AppData\Local\Temp\75f5b1db2e93b4b9d3f80634f55f66e2864618ac813b4d8c2e72a2340ff5859e.exe
        "C:\Users\Admin\AppData\Local\Temp\75f5b1db2e93b4b9d3f80634f55f66e2864618ac813b4d8c2e72a2340ff5859e.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:856
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1168
      • C:\Windows\system32\taskhost.exe
        "taskhost.exe"
        1⤵
          PID:1116

        Network

              MITRE ATT&CK Enterprise v6

              Replay Monitor

              Loading Replay Monitor...

              Downloads

              • memory/856-54-0x0000000075831000-0x0000000075833000-memory.dmp

                Filesize

                8KB

              • memory/856-55-0x0000000001ED0000-0x0000000002F5E000-memory.dmp

                Filesize

                16.6MB

              • memory/856-56-0x0000000000400000-0x0000000000413000-memory.dmp

                Filesize

                76KB

              • memory/856-57-0x0000000001ED0000-0x0000000002F5E000-memory.dmp

                Filesize

                16.6MB

              • memory/856-58-0x00000000002E0000-0x00000000002E2000-memory.dmp

                Filesize

                8KB

              • memory/856-59-0x0000000074381000-0x0000000074383000-memory.dmp

                Filesize

                8KB

              • memory/856-60-0x0000000001ED0000-0x0000000002F5E000-memory.dmp

                Filesize

                16.6MB

              • memory/856-61-0x00000000002E0000-0x00000000002E2000-memory.dmp

                Filesize

                8KB