Analysis

  • max time kernel
    167s
  • max time network
    35s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    29-11-2022 07:09

General

  • Target

    a09b7c29fcb31f25a15ab4374811ae38a9b2f939d60ec4fff241c3d2d4e38a84.exe

  • Size

    96KB

  • MD5

    92ec39f6cd1c4f9467972a46b86b2487

  • SHA1

    475fd199eb65da6ea132c76d930502a41cdacca6

  • SHA256

    a09b7c29fcb31f25a15ab4374811ae38a9b2f939d60ec4fff241c3d2d4e38a84

  • SHA512

    0b5394f5169b2f8f12def4ab46cc38a422dbc8541e8d53b0cc4d17e4086fed666b64dbc0e4388324c1747b644f1ef038969405a6f43c9b13c8594342cadce6bf

  • SSDEEP

    1536:2a/yiQKQSRR/wLQFtunX2SldbaJsxAqOmmFLeRvm6UaApvGOXa4t2SrOYScznjMo:WiQOrFtuX2SlRqFarUaARGV4czYXbIo

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:1280
      • C:\Users\Admin\AppData\Local\Temp\a09b7c29fcb31f25a15ab4374811ae38a9b2f939d60ec4fff241c3d2d4e38a84.exe
        "C:\Users\Admin\AppData\Local\Temp\a09b7c29fcb31f25a15ab4374811ae38a9b2f939d60ec4fff241c3d2d4e38a84.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:1180
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1244
      • C:\Windows\system32\taskhost.exe
        "taskhost.exe"
        1⤵
          PID:1148

        Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/1180-55-0x0000000000400000-0x0000000000414000-memory.dmp

          Filesize

          80KB

        • memory/1180-54-0x0000000076041000-0x0000000076043000-memory.dmp

          Filesize

          8KB

        • memory/1180-56-0x0000000001D60000-0x0000000002DEE000-memory.dmp

          Filesize

          16.6MB

        • memory/1180-57-0x0000000074971000-0x0000000074973000-memory.dmp

          Filesize

          8KB

        • memory/1180-58-0x0000000001D60000-0x0000000002DEE000-memory.dmp

          Filesize

          16.6MB

        • memory/1180-59-0x0000000000290000-0x0000000000292000-memory.dmp

          Filesize

          8KB

        • memory/1180-60-0x0000000000850000-0x0000000000852000-memory.dmp

          Filesize

          8KB

        • memory/1180-61-0x0000000001D60000-0x0000000002DEE000-memory.dmp

          Filesize

          16.6MB

        • memory/1180-62-0x0000000000290000-0x0000000000292000-memory.dmp

          Filesize

          8KB

        • memory/1180-63-0x0000000000850000-0x0000000000852000-memory.dmp

          Filesize

          8KB

        • memory/1180-64-0x0000000000400000-0x0000000000414000-memory.dmp

          Filesize

          80KB