Analysis

  • max time kernel
    152s
  • max time network
    46s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    29-11-2022 06:58

General

  • Target

    faf925892ba8e7232717d40d165f5b220ed91e1ae6ac4cd1ab52d8a756dc7f70.exe

  • Size

    100KB

  • MD5

    9c18e87a11b91d561ca63c3504716c8c

  • SHA1

    7f2327dde67f01304e1a11537df19c2dea87d1c2

  • SHA256

    faf925892ba8e7232717d40d165f5b220ed91e1ae6ac4cd1ab52d8a756dc7f70

  • SHA512

    3c5ef9066c080e1edff7e3a574bac92776dccad5bdb7141aa2cfe514eb59c39115760f8a58a19a6479c37ca9c5d93525d6022c75eaaba3bc1b1cfb68db4eb1ba

  • SSDEEP

    3072:jOSPt/kvhpPRuY482AArNMAM2zAvdKuyA1z:jOMgpPR74DAoZM2zipz

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
  • 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
  • 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 6 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:1272
      • C:\Users\Admin\AppData\Local\Temp\faf925892ba8e7232717d40d165f5b220ed91e1ae6ac4cd1ab52d8a756dc7f70.exe
        "C:\Users\Admin\AppData\Local\Temp\faf925892ba8e7232717d40d165f5b220ed91e1ae6ac4cd1ab52d8a756dc7f70.exe"
        2⤵
        • Modifies firewall policy service
        • UAC bypass
        • Windows security bypass
        • Disables RegEdit via registry modification
        • 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:1472
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1240
      • C:\Windows\system32\taskhost.exe
        "taskhost.exe"
        1⤵
          PID:1144

        Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/1472-54-0x0000000074D61000-0x0000000074D63000-memory.dmp

          Filesize

          8KB

        • memory/1472-55-0x0000000001D40000-0x0000000002DCE000-memory.dmp

          Filesize

          16.6MB

        • memory/1472-56-0x00000000742E1000-0x00000000742E3000-memory.dmp

          Filesize

          8KB

        • memory/1472-57-0x0000000000400000-0x0000000000416000-memory.dmp

          Filesize

          88KB

        • memory/1472-58-0x0000000001D40000-0x0000000002DCE000-memory.dmp

          Filesize

          16.6MB

        • memory/1472-59-0x0000000000310000-0x0000000000312000-memory.dmp

          Filesize

          8KB

        • memory/1472-60-0x0000000003E20000-0x0000000003E22000-memory.dmp

          Filesize

          8KB

        • memory/1472-61-0x0000000001D40000-0x0000000002DCE000-memory.dmp

          Filesize

          16.6MB

        • memory/1472-62-0x0000000000310000-0x0000000000312000-memory.dmp

          Filesize

          8KB

        • memory/1472-63-0x0000000003E20000-0x0000000003E22000-memory.dmp

          Filesize

          8KB