Analysis

  • max time kernel
    175s
  • max time network
    178s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    12-06-2022 08:30

General

  • Target

    21780b952189ccfb91fd35963d08aea3bb970da39052c9615fcdbf173dfaa577.exe

  • Size

    1.1MB

  • MD5

    c3e4da6ab5aeea86e7410d5cf7591dc4

  • SHA1

    3050f604b87fa992429c2341e8f0c85f770ec80d

  • SHA256

    21780b952189ccfb91fd35963d08aea3bb970da39052c9615fcdbf173dfaa577

  • SHA512

    8b318c0f846d55ae9dff5cff7d8d8414fafef1a75594aaa68d378154f54a58b4a70475b9f4bd25c7f669e941ace921ecc09fd6570e8283427215b92915c370ad

Score
10/10

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    silverlinehospital.in
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    Bukky101@

Signatures

  • Accesses Microsoft Outlook profiles 1 TTPs 9 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 3 IoCs
  • Program crash 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of FindShellTrayWindow 64 IoCs
  • Suspicious use of SendNotifyMessage 64 IoCs
  • Suspicious use of WriteProcessMemory 18 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\21780b952189ccfb91fd35963d08aea3bb970da39052c9615fcdbf173dfaa577.exe
    "C:\Users\Admin\AppData\Local\Temp\21780b952189ccfb91fd35963d08aea3bb970da39052c9615fcdbf173dfaa577.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:3268
    • 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
      • Suspicious use of WriteProcessMemory
      PID:3824
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3824 -s 1492
        3⤵
        • Program crash
        PID:4752
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3824 -s 1492
        3⤵
        • Program crash
        PID:4496
    • 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
      PID:1320
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1320 -s 1480
        3⤵
        • Program crash
        PID:3500
    • 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:2648
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 3824 -ip 3824
    1⤵
      PID:4256
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 508 -p 1320 -ip 1320
      1⤵
        PID:3508

      Network

      MITRE ATT&CK Enterprise v6

      Replay Monitor

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      Downloads

      • memory/1320-140-0x0000000000000000-mapping.dmp

      • memory/2648-145-0x0000000000000000-mapping.dmp

      • memory/2648-150-0x0000000006290000-0x00000000062F6000-memory.dmp

        Filesize

        408KB

      • memory/2648-151-0x0000000006BC0000-0x0000000006C52000-memory.dmp

        Filesize

        584KB

      • memory/2648-152-0x0000000006B90000-0x0000000006B9A000-memory.dmp

        Filesize

        40KB

      • memory/3268-136-0x0000000003930000-0x000000000394E000-memory.dmp

        Filesize

        120KB

      • memory/3824-130-0x0000000000000000-mapping.dmp

      • memory/3824-131-0x0000000000400000-0x0000000000422000-memory.dmp

        Filesize

        136KB

      • memory/3824-135-0x0000000006210000-0x00000000067B4000-memory.dmp

        Filesize

        5.6MB

      • memory/3824-137-0x0000000005D60000-0x0000000005DFC000-memory.dmp

        Filesize

        624KB

      • memory/3824-138-0x0000000006990000-0x0000000006B52000-memory.dmp

        Filesize

        1.8MB

      • memory/4752-139-0x0000000000000000-mapping.dmp