Analysis

  • max time kernel
    146s
  • max time network
    49s
  • platform
    windows7_x64
  • resource
    win7-20220901-en
  • resource tags

    arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
  • submitted
    03-12-2022 11:43

General

  • Target

    f0d8ba79878f064308d7c32645a850310bbed2f123d99f4d6bf2ae3f0c3098de.exe

  • Size

    100KB

  • MD5

    dbb97edd4cf5730c20be42b38b1f797b

  • SHA1

    9af64105b1220dd51ac39cafbf6be0ebba8d6b35

  • SHA256

    f0d8ba79878f064308d7c32645a850310bbed2f123d99f4d6bf2ae3f0c3098de

  • SHA512

    046dc65dbda912d48dc9501a106ab0943bfc5dc5ab2981e79c9f4fbacf0abb097306e7758554cbc90eaef96cc1ef1e141a499819b08055abd054704fa0cf67d5

  • SSDEEP

    1536:sK2vUuCBZOit6Y0nPahTyJibk2endpq8AU8+8MN1J1+rINMrCfYn35PvW:X2vUuktiis0bk2eGzU8+vCINM0gPv

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:1400
      • C:\Users\Admin\AppData\Local\Temp\f0d8ba79878f064308d7c32645a850310bbed2f123d99f4d6bf2ae3f0c3098de.exe
        "C:\Users\Admin\AppData\Local\Temp\f0d8ba79878f064308d7c32645a850310bbed2f123d99f4d6bf2ae3f0c3098de.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:1048
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1340
      • C:\Windows\system32\taskhost.exe
        "taskhost.exe"
        1⤵
          PID:1264

        Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/1048-54-0x00000000759F1000-0x00000000759F3000-memory.dmp

          Filesize

          8KB

        • memory/1048-55-0x0000000001CB0000-0x0000000002D3E000-memory.dmp

          Filesize

          16.6MB

        • memory/1048-57-0x0000000074A01000-0x0000000074A03000-memory.dmp

          Filesize

          8KB

        • memory/1048-56-0x0000000000400000-0x0000000000414000-memory.dmp

          Filesize

          80KB

        • memory/1048-58-0x0000000001CB0000-0x0000000002D3E000-memory.dmp

          Filesize

          16.6MB

        • memory/1048-59-0x0000000000260000-0x0000000000262000-memory.dmp

          Filesize

          8KB

        • memory/1048-60-0x0000000003E20000-0x0000000003E22000-memory.dmp

          Filesize

          8KB

        • memory/1048-61-0x0000000001CB0000-0x0000000002D3E000-memory.dmp

          Filesize

          16.6MB

        • memory/1048-62-0x0000000000260000-0x0000000000262000-memory.dmp

          Filesize

          8KB

        • memory/1048-63-0x0000000003E20000-0x0000000003E22000-memory.dmp

          Filesize

          8KB