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Analysis

  • max time kernel
    150s
  • max time network
    32s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    21/11/2022, 08:33

General

  • Target

    ae84e891ac6a0b85cd0a7b67409cf9a1190c1924ea200808e8cb165e9a116344.exe

  • Size

    167KB

  • MD5

    3f43ad9460be520e1ea34eb8344d7988

  • SHA1

    2732a9e9874644ebef124a4d9ac376e6f4086ddb

  • SHA256

    ae84e891ac6a0b85cd0a7b67409cf9a1190c1924ea200808e8cb165e9a116344

  • SHA512

    1e64615a5a85200f0d372a726be859d3b9dc27cc93f2bbb4c02575a5cd2bbd4e1c12eea07502414b9e5de6ff78983f8231769a5c5334ea1dd4d8c21c4d977a3d

  • SSDEEP

    3072:pNQKPWDy8I0fFJltZrpReFX3/aQem6/lk0nSTJOZS91hG/1HIHOe:pNSDy8IkFthpNk0nSlt9s1HIu

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/

http://klkjwre77638dfqwieuoi888.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
  • 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 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:1228
      • C:\Users\Admin\AppData\Local\Temp\ae84e891ac6a0b85cd0a7b67409cf9a1190c1924ea200808e8cb165e9a116344.exe
        "C:\Users\Admin\AppData\Local\Temp\ae84e891ac6a0b85cd0a7b67409cf9a1190c1924ea200808e8cb165e9a116344.exe"
        2⤵
        • Modifies firewall policy service
        • UAC bypass
        • Windows security bypass
        • Disables RegEdit via registry modification
        • Windows security modification
        • Checks whether UAC is enabled
        • 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:1276
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1184
      • C:\Windows\system32\taskhost.exe
        "taskhost.exe"
        1⤵
          PID:1140

        Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/1276-54-0x0000000076381000-0x0000000076383000-memory.dmp

          Filesize

          8KB

        • memory/1276-55-0x0000000002430000-0x00000000034BE000-memory.dmp

          Filesize

          16.6MB

        • memory/1276-56-0x0000000001000000-0x0000000001027000-memory.dmp

          Filesize

          156KB

        • memory/1276-57-0x0000000002430000-0x00000000034BE000-memory.dmp

          Filesize

          16.6MB

        • memory/1276-58-0x0000000000850000-0x0000000000852000-memory.dmp

          Filesize

          8KB

        • memory/1276-59-0x0000000074701000-0x0000000074703000-memory.dmp

          Filesize

          8KB

        • memory/1276-60-0x00000000008F0000-0x00000000008F2000-memory.dmp

          Filesize

          8KB

        • memory/1276-61-0x0000000002430000-0x00000000034BE000-memory.dmp

          Filesize

          16.6MB

        • memory/1276-62-0x0000000000850000-0x0000000000852000-memory.dmp

          Filesize

          8KB

        • memory/1276-63-0x00000000008F0000-0x00000000008F2000-memory.dmp

          Filesize

          8KB