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Analysis

  • max time kernel
    168s
  • max time network
    46s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    03/10/2022, 18:08

General

  • Target

    da83beec9e0d31fedca869e9b55b461f4dc3c5333ea1a6c7000c8a2ffd38a1d1.exe

  • Size

    100KB

  • MD5

    60f7d63c5f50efa1aebc816d3ddf0200

  • SHA1

    0e00defc2a0359f68e207f40d095f6bb3e598af4

  • SHA256

    da83beec9e0d31fedca869e9b55b461f4dc3c5333ea1a6c7000c8a2ffd38a1d1

  • SHA512

    72157f60bf65972faa43bcc9e3f14c046d469897b6b462357e8057bed8634e336b7b6d7f117a365bbfa1839c456022f41f867992c2101117dd7ebd1dd49af577

  • SSDEEP

    3072:W5CzBHyL6XsI+RsDeE2VyYhT7aPb17xx1qAVoYr4WwQ:CCVHPB+RsD12QqT7yb17xxIAGM4WwQ

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 21 IoCs
  • Suspicious use of WriteProcessMemory 42 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\da83beec9e0d31fedca869e9b55b461f4dc3c5333ea1a6c7000c8a2ffd38a1d1.exe
    "C:\Users\Admin\AppData\Local\Temp\da83beec9e0d31fedca869e9b55b461f4dc3c5333ea1a6c7000c8a2ffd38a1d1.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:1948
  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:1220
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1184
      • C:\Windows\system32\taskhost.exe
        "taskhost.exe"
        1⤵
          PID:1116

        Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/1948-54-0x0000000075A11000-0x0000000075A13000-memory.dmp

          Filesize

          8KB

        • memory/1948-55-0x0000000001E00000-0x0000000002E8E000-memory.dmp

          Filesize

          16.6MB

        • memory/1948-56-0x0000000074321000-0x0000000074323000-memory.dmp

          Filesize

          8KB

        • memory/1948-57-0x0000000000400000-0x0000000000415000-memory.dmp

          Filesize

          84KB

        • memory/1948-58-0x0000000001E00000-0x0000000002E8E000-memory.dmp

          Filesize

          16.6MB

        • memory/1948-59-0x0000000000250000-0x0000000000252000-memory.dmp

          Filesize

          8KB

        • memory/1948-60-0x0000000004010000-0x0000000004012000-memory.dmp

          Filesize

          8KB

        • memory/1948-61-0x0000000001E00000-0x0000000002E8E000-memory.dmp

          Filesize

          16.6MB

        • memory/1948-62-0x0000000000250000-0x0000000000252000-memory.dmp

          Filesize

          8KB

        • memory/1948-63-0x0000000004010000-0x0000000004012000-memory.dmp

          Filesize

          8KB