Analysis

  • max time kernel
    63s
  • max time network
    84s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    20-05-2022 22:46

General

  • Target

    304a2a17f482efca5e8a9e59b7e17f0f7cbd3bce77680f72ef079a81eadab70c.exe

  • Size

    321KB

  • MD5

    6f6df11c0814860cc5a4fe7a9db87cc9

  • SHA1

    539bbcc5ec63af4255a65e20ffb1352338cf41d2

  • SHA256

    304a2a17f482efca5e8a9e59b7e17f0f7cbd3bce77680f72ef079a81eadab70c

  • SHA512

    82bf7779e05bd6a734e51747f8fa8f879853c9869f88ecc0f7bf6bf13aeacdd47e7c506b9dde688c955c1f688f2889f8a8c92d263fcb411ec8663a43fe6ce31c

Malware Config

Signatures

  • Contains code to disable Windows Defender 1 IoCs

    A .NET executable tasked with disabling Windows Defender capabilities such as realtime monitoring, blocking at first seen, etc.

  • Modifies Windows Defender Real-time Protection settings 3 TTPs
  • Modifies security service 2 TTPs 2 IoCs
  • sakari

    Sakari is a stealer written in C#.

  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Windows security modification 2 TTPs 2 IoCs
  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
  • Suspicious use of SetThreadContext 1 IoCs
  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Modifies system certificate store 2 TTPs 6 IoCs
  • Suspicious behavior: EnumeratesProcesses 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\304a2a17f482efca5e8a9e59b7e17f0f7cbd3bce77680f72ef079a81eadab70c.exe
    "C:\Users\Admin\AppData\Local\Temp\304a2a17f482efca5e8a9e59b7e17f0f7cbd3bce77680f72ef079a81eadab70c.exe"
    1⤵
    • Modifies security service
    • Windows security modification
    • Suspicious use of SetThreadContext
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1688
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "powershell" Get-MpPreference -verbose
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1644
    • C:\Windows\SysWOW64\schtasks.exe
      "schtasks" /create /tn "svchost" /sc ONLOGON /tr "C:\Users\Admin\AppData\Local\Temp\304a2a17f482efca5e8a9e59b7e17f0f7cbd3bce77680f72ef079a81eadab70c.exe" /rl HIGHEST /f
      2⤵
      • Creates scheduled task(s)
      PID:1436
    • C:\Users\Admin\AppData\Local\Temp\304a2a17f482efca5e8a9e59b7e17f0f7cbd3bce77680f72ef079a81eadab70c.exe
      "C:\Users\Admin\AppData\Local\Temp\304a2a17f482efca5e8a9e59b7e17f0f7cbd3bce77680f72ef079a81eadab70c.exe"
      2⤵
      • Modifies system certificate store
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1584

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/1436-58-0x0000000000000000-mapping.dmp
  • memory/1584-64-0x0000000000400000-0x0000000000412000-memory.dmp
    Filesize

    72KB

  • memory/1584-59-0x0000000000400000-0x0000000000412000-memory.dmp
    Filesize

    72KB

  • memory/1584-60-0x0000000000400000-0x0000000000412000-memory.dmp
    Filesize

    72KB

  • memory/1584-62-0x0000000000400000-0x0000000000412000-memory.dmp
    Filesize

    72KB

  • memory/1584-63-0x0000000000400000-0x0000000000412000-memory.dmp
    Filesize

    72KB

  • memory/1584-65-0x000000000040C78E-mapping.dmp
  • memory/1584-67-0x0000000000400000-0x0000000000412000-memory.dmp
    Filesize

    72KB

  • memory/1584-69-0x0000000000400000-0x0000000000412000-memory.dmp
    Filesize

    72KB

  • memory/1644-56-0x00000000751C1000-0x00000000751C3000-memory.dmp
    Filesize

    8KB

  • memory/1644-57-0x0000000071290000-0x000000007183B000-memory.dmp
    Filesize

    5.7MB

  • memory/1644-55-0x0000000000000000-mapping.dmp
  • memory/1688-54-0x0000000000010000-0x0000000000060000-memory.dmp
    Filesize

    320KB