Analysis

  • max time kernel
    136s
  • max time network
    188s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    30-10-2022 21:59

General

  • Target

    318d032e434438d95e5144a25ba3f8c2aadf7d7b5e4a532ff663946962eae585.exe

  • Size

    220KB

  • MD5

    a1061ac74f691796b037e9dfe04340d0

  • SHA1

    102ac1988ff14e9afc7c31fff2fd005696032872

  • SHA256

    318d032e434438d95e5144a25ba3f8c2aadf7d7b5e4a532ff663946962eae585

  • SHA512

    54adb8ab1194c76b7792d3beb96e23659956c1fa66e55e5339c6512aa0ac2d10d37780de6bbe528dbb75f3d30d456fe87539a66d2bf616e50ce87cd35513d2b2

  • SSDEEP

    6144:WSO2HcRKMtpCT7KAZc3F1HAKwkNDJHXQ1Xc:WFRZtUeAZmFKkfYc

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 visibility of file extensions in Explorer 2 TTPs 1 IoCs
  • Sality

    Sality is backdoor written in C++, first discovered in 2003.

  • Windows security bypass 2 TTPs 6 IoCs
  • Disables RegEdit via registry modification 1 IoCs
  • Disables Task Manager via registry modification
  • Modifies Windows Firewall 1 TTPs 1 IoCs
  • UPX packed file 1 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Windows security modification 2 TTPs 7 IoCs
  • Adds Run key to start application 2 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 2 IoCs

    Malware can abuse Windows Autorun to spread further via attached volumes.

  • Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\318d032e434438d95e5144a25ba3f8c2aadf7d7b5e4a532ff663946962eae585.exe
    "C:\Users\Admin\AppData\Local\Temp\318d032e434438d95e5144a25ba3f8c2aadf7d7b5e4a532ff663946962eae585.exe"
    1⤵
    • Modifies visibility of file extensions in Explorer
    • Windows security bypass
    • Disables RegEdit via registry modification
    • Windows security modification
    • Adds Run key to start application
    • Enumerates connected drives
    • Drops autorun.inf file
    • Suspicious behavior: EnumeratesProcesses
    PID:5112
    • C:\Windows\SysWOW64\netsh.exe
      netsh firewall set opmode disable
      2⤵
      • Modifies Windows Firewall
      PID:5044

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/5112-133-0x0000000000400000-0x0000000000428000-memory.dmp

    Filesize

    160KB

  • memory/5112-134-0x0000000000400000-0x0000000000428000-memory.dmp

    Filesize

    160KB

  • memory/5112-132-0x0000000002190000-0x00000000031C3000-memory.dmp

    Filesize

    16.2MB

  • memory/5112-135-0x0000000002190000-0x00000000031C3000-memory.dmp

    Filesize

    16.2MB