Analysis

  • max time kernel
    146s
  • max time network
    52s
  • platform
    windows7_x64
  • resource
    win7-20220901-en
  • resource tags

    arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
  • submitted
    30-10-2022 21:48

General

  • Target

    ae4dbc36e90010a1d49fcc42e650a6a36a2dcfff5aa84f32dee131654807c57d.exe

  • Size

    100KB

  • MD5

    9245788017a910f6bd0bd3f572909e77

  • SHA1

    e5c0f9091e4e63f7902227a1fd09b136ff601a4a

  • SHA256

    ae4dbc36e90010a1d49fcc42e650a6a36a2dcfff5aa84f32dee131654807c57d

  • SHA512

    61283f7cb2739140792da2c00ebb6dbe4eb18952cc1649723afb3e5d21bd728c1b01e4c8550dd20f2c958d94e1a8b234997146413a8c3952fc6703c41ce480df

  • SSDEEP

    1536:8YuTGWA8WZ/fnAFLRi9syTx+dLoSHYKxYOUn33vvOlr5d5j5:8Fmf6i9syV+dLoS4K6PPg5H

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 20 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:1284
      • C:\Users\Admin\AppData\Local\Temp\ae4dbc36e90010a1d49fcc42e650a6a36a2dcfff5aa84f32dee131654807c57d.exe
        "C:\Users\Admin\AppData\Local\Temp\ae4dbc36e90010a1d49fcc42e650a6a36a2dcfff5aa84f32dee131654807c57d.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:1128
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1244
      • C:\Windows\system32\taskhost.exe
        "taskhost.exe"
        1⤵
          PID:1160

        Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/1128-54-0x0000000074DC1000-0x0000000074DC3000-memory.dmp

          Filesize

          8KB

        • memory/1128-55-0x0000000001DA0000-0x0000000002E2E000-memory.dmp

          Filesize

          16.6MB

        • memory/1128-56-0x00000000743F1000-0x00000000743F3000-memory.dmp

          Filesize

          8KB

        • memory/1128-57-0x0000000000400000-0x0000000000413000-memory.dmp

          Filesize

          76KB

        • memory/1128-58-0x0000000001DA0000-0x0000000002E2E000-memory.dmp

          Filesize

          16.6MB

        • memory/1128-59-0x00000000002E0000-0x00000000002E2000-memory.dmp

          Filesize

          8KB

        • memory/1128-60-0x0000000003D30000-0x0000000003D32000-memory.dmp

          Filesize

          8KB

        • memory/1128-61-0x0000000001DA0000-0x0000000002E2E000-memory.dmp

          Filesize

          16.6MB

        • memory/1128-62-0x00000000002E0000-0x00000000002E2000-memory.dmp

          Filesize

          8KB

        • memory/1128-63-0x0000000003D30000-0x0000000003D32000-memory.dmp

          Filesize

          8KB