Analysis

  • max time kernel
    189s
  • max time network
    31s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    27-11-2022 01:47

General

  • Target

    4bb8002ca3b2a87bd5bdcb52b145c5be2b1a1a76e52d079e9956e79eccec342d.exe

  • Size

    100KB

  • MD5

    d07f0f2e910a5d36ae6360a5c0a67971

  • SHA1

    2e867013c1cb5689f033fce6bcf3648ae5f8db9d

  • SHA256

    4bb8002ca3b2a87bd5bdcb52b145c5be2b1a1a76e52d079e9956e79eccec342d

  • SHA512

    81d78dc165b0c90513b3c9e956fc06d078eab577cbb757bb854c904b4095ef31c1e812c5428b9eb343c9152bdab5f9c9a843b218f8367d1697b0cffcccce88b9

  • SSDEEP

    3072:6euine0dL3Sb4YXKSfSvvRkJqEcoL2ft0W0j:6eu4VdL3SMYhfSYjhL2ft0W6

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:1284
      • C:\Users\Admin\AppData\Local\Temp\4bb8002ca3b2a87bd5bdcb52b145c5be2b1a1a76e52d079e9956e79eccec342d.exe
        "C:\Users\Admin\AppData\Local\Temp\4bb8002ca3b2a87bd5bdcb52b145c5be2b1a1a76e52d079e9956e79eccec342d.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:944
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1228
      • C:\Windows\system32\taskhost.exe
        "taskhost.exe"
        1⤵
          PID:1128

        Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/944-54-0x0000000074DE1000-0x0000000074DE3000-memory.dmp

          Filesize

          8KB

        • memory/944-55-0x0000000001D50000-0x0000000002DDE000-memory.dmp

          Filesize

          16.6MB

        • memory/944-56-0x0000000074261000-0x0000000074263000-memory.dmp

          Filesize

          8KB

        • memory/944-57-0x0000000000400000-0x0000000000416000-memory.dmp

          Filesize

          88KB

        • memory/944-58-0x0000000001D50000-0x0000000002DDE000-memory.dmp

          Filesize

          16.6MB

        • memory/944-59-0x00000000003D0000-0x00000000003D2000-memory.dmp

          Filesize

          8KB

        • memory/944-60-0x0000000003D40000-0x0000000003D42000-memory.dmp

          Filesize

          8KB

        • memory/944-61-0x0000000001D50000-0x0000000002DDE000-memory.dmp

          Filesize

          16.6MB

        • memory/944-62-0x00000000003D0000-0x00000000003D2000-memory.dmp

          Filesize

          8KB

        • memory/944-63-0x0000000003D40000-0x0000000003D42000-memory.dmp

          Filesize

          8KB