Analysis

  • max time kernel
    159s
  • max time network
    172s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    01-06-2022 16:20

General

  • Target

    smes.exe

  • Size

    1.1MB

  • MD5

    2c9f626447ae964cea8cc43daf078e70

  • SHA1

    e6f9fed713f822348c289ab37e1e559f6738865e

  • SHA256

    1650fa7dfd5cc553776b130e27195d407ab18a356773e0c4b471102764ef25dd

  • SHA512

    65ccfa2a7ad4167aa157ece29906411dc2a4dd45027520e89f1a29c3a4ef6315b404c8ecf3a54f7b7ab348635b813f0a96f762ba2633d4499f9a56eb53978449

Score
6/10

Malware Config

Signatures

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Looks up external IP address via web service 1 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Suspicious use of SetThreadContext 1 IoCs
  • Program crash 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of FindShellTrayWindow 3 IoCs
  • Suspicious use of SendNotifyMessage 3 IoCs
  • Suspicious use of WriteProcessMemory 5 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\smes.exe
    "C:\Users\Admin\AppData\Local\Temp\smes.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:1568
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
      "C:\\\\Windows\\\\Microsoft.NET\\\\Framework\\\\v4.0.30319\\\\MSBuild.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:3108
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3108 -s 1480
        3⤵
        • Program crash
        PID:2968
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 204 -p 3108 -ip 3108
    1⤵
      PID:4600

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1568-135-0x00000000012F0000-0x000000000130F000-memory.dmp

      Filesize

      124KB

    • memory/3108-131-0x0000000000400000-0x0000000000424000-memory.dmp

      Filesize

      144KB

    • memory/3108-136-0x0000000005EE0000-0x0000000006484000-memory.dmp

      Filesize

      5.6MB

    • memory/3108-137-0x0000000005A10000-0x0000000005AAC000-memory.dmp

      Filesize

      624KB