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Analysis

  • max time kernel
    152s
  • max time network
    132s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    27/11/2022, 14:14

General

  • Target

    d2e80ed3f166c400502e018ac47ee67091cbc67a113b8f18c1dc78ffc2655292.exe

  • Size

    611KB

  • MD5

    a0f4fe1482a4bed5da1b6a5b011b4aac

  • SHA1

    63d3904df289227b53bf38c40013b48a5ec27d67

  • SHA256

    d2e80ed3f166c400502e018ac47ee67091cbc67a113b8f18c1dc78ffc2655292

  • SHA512

    eb23f877fe5fb909e2291f96b617c01270d014875587ec2143b8f178014a45e2b6786983e264acf144a49f517ac22fe711a6a2e9dfd96855cb80a42f71a3138e

  • SSDEEP

    12288:hANwRo+mv8QD4+0w16aSidfUJnfqvBp5HTiqXSVKgCwqP:hAT8QE+xP3fkqvrlHSOP

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

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 2 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\d2e80ed3f166c400502e018ac47ee67091cbc67a113b8f18c1dc78ffc2655292.exe
        "C:\Users\Admin\AppData\Local\Temp\d2e80ed3f166c400502e018ac47ee67091cbc67a113b8f18c1dc78ffc2655292.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:1992
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1192
      • C:\Windows\system32\taskhost.exe
        "taskhost.exe"
        1⤵
          PID:1128

        Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/1992-54-0x0000000074AB1000-0x0000000074AB3000-memory.dmp

          Filesize

          8KB

        • memory/1992-55-0x0000000001E20000-0x0000000002EDA000-memory.dmp

          Filesize

          16.7MB

        • memory/1992-56-0x0000000000400000-0x0000000000446000-memory.dmp

          Filesize

          280KB

        • memory/1992-57-0x0000000001E20000-0x0000000002EDA000-memory.dmp

          Filesize

          16.7MB

        • memory/1992-58-0x0000000000310000-0x0000000000312000-memory.dmp

          Filesize

          8KB

        • memory/1992-59-0x0000000000400000-0x0000000000446000-memory.dmp

          Filesize

          280KB

        • memory/1992-60-0x0000000001E20000-0x0000000002EDA000-memory.dmp

          Filesize

          16.7MB

        • memory/1992-61-0x0000000000310000-0x0000000000312000-memory.dmp

          Filesize

          8KB