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Analysis

  • max time kernel
    147s
  • max time network
    92s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    28/10/2022, 19:37

General

  • Target

    428893bd186021997e920ba0c9e1f9fda44ac29b798785196e97ae52afa3b2a0.exe

  • Size

    167KB

  • MD5

    0c13343f07a1d9b9539ad7c20ceafa90

  • SHA1

    43d0600bd2c78f3ca64fb86bb7683e402f65785a

  • SHA256

    428893bd186021997e920ba0c9e1f9fda44ac29b798785196e97ae52afa3b2a0

  • SHA512

    84b34ab0a9ec253b840b8abef9c67da9668e36527752f4b8cb52edc87f149c957af23edeaeb0dfe491af61c496c81d8a2ba6f82c523db1bd748602a784da09a4

  • SSDEEP

    3072:FNQKPWDyaI0fFJltZrpReFX37geiCf3TWh8d95IfWDg6hPF1Up/a+KN/o:FNSDyaIkFthpmNi7h8H5Zg6hn0iq

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 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:1268
      • C:\Users\Admin\AppData\Local\Temp\428893bd186021997e920ba0c9e1f9fda44ac29b798785196e97ae52afa3b2a0.exe
        "C:\Users\Admin\AppData\Local\Temp\428893bd186021997e920ba0c9e1f9fda44ac29b798785196e97ae52afa3b2a0.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:360
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1204
      • C:\Windows\system32\taskhost.exe
        "taskhost.exe"
        1⤵
          PID:1128

        Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/360-54-0x0000000075771000-0x0000000075773000-memory.dmp

          Filesize

          8KB

        • memory/360-55-0x0000000002430000-0x00000000034BE000-memory.dmp

          Filesize

          16.6MB

        • memory/360-56-0x0000000001000000-0x0000000001027000-memory.dmp

          Filesize

          156KB

        • memory/360-57-0x0000000002430000-0x00000000034BE000-memory.dmp

          Filesize

          16.6MB

        • memory/360-58-0x0000000000200000-0x0000000000202000-memory.dmp

          Filesize

          8KB

        • memory/360-59-0x0000000074111000-0x0000000074113000-memory.dmp

          Filesize

          8KB

        • memory/360-60-0x0000000003600000-0x0000000003602000-memory.dmp

          Filesize

          8KB

        • memory/360-61-0x0000000002430000-0x00000000034BE000-memory.dmp

          Filesize

          16.6MB

        • memory/360-62-0x0000000000200000-0x0000000000202000-memory.dmp

          Filesize

          8KB

        • memory/360-63-0x0000000003600000-0x0000000003602000-memory.dmp

          Filesize

          8KB

        • memory/360-64-0x0000000001000000-0x0000000001027000-memory.dmp

          Filesize

          156KB