Analysis

  • max time kernel
    91s
  • max time network
    155s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    20/10/2022, 05:57

General

  • Target
    bbx0BqhoWryhUrV.exe
  • Size 3.0MB
  • Sample221020-gnkrhagehl
  • SHA256 ee4c7bdf3abd06150a2c2e6fe94bd41dc4157241c2a9cd4b6b0eb1842c70ee0b
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Credentials
  • Protocol

    smtp

  • Host

    smtp.yandex.com

  • Port

    587

  • Password

    ambless@123

Signatures

  • Reads user/profile data of web browsers 2 TTPs

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

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Checks processor information in registry 2 TTPs 2 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\bbx0BqhoWryhUrV.exe
    "C:\Users\Admin\AppData\Local\Temp\bbx0BqhoWryhUrV.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2808
    • C:\Users\Admin\AppData\Local\Temp\bbx0BqhoWryhUrV.exe
      "C:\Users\Admin\AppData\Local\Temp\bbx0BqhoWryhUrV.exe"
      2⤵
        PID:2344
      • C:\Users\Admin\AppData\Local\Temp\bbx0BqhoWryhUrV.exe
        "C:\Users\Admin\AppData\Local\Temp\bbx0BqhoWryhUrV.exe"
        2⤵
          PID:5108
        • C:\Users\Admin\AppData\Local\Temp\bbx0BqhoWryhUrV.exe
          "C:\Users\Admin\AppData\Local\Temp\bbx0BqhoWryhUrV.exe"
          2⤵
            PID:3028
          • C:\Users\Admin\AppData\Local\Temp\bbx0BqhoWryhUrV.exe
            "C:\Users\Admin\AppData\Local\Temp\bbx0BqhoWryhUrV.exe"
            2⤵
            • Accesses Microsoft Outlook profiles
            • Checks processor information in registry
            • Suspicious use of AdjustPrivilegeToken
            • outlook_office_path
            • outlook_win_path
            PID:4068

        Network

              MITRE ATT&CK Enterprise v6

              Replay Monitor

              Loading Replay Monitor...

              Downloads

              bbx0BqhoWryhUrV.exe.log

              • Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\bbx0BqhoWryhUrV.exe.log
              • Size 1KB
              • SHA256 bd9d5e9f7fe6fcff17d873555d4077d15f7d6cdda1183e7f7d278b735ffe1fd7
              • MD5 SHA1 SHA512

              memory/2808-135-0x00000000056F0000-0x00000000056FA000-memory.dmp

              memory/2808-132-0x0000000000A50000-0x0000000000D58000-memory.dmp

              memory/2808-136-0x0000000001550000-0x00000000015EC000-memory.dmp

              memory/2808-137-0x00000000015F0000-0x0000000001656000-memory.dmp

              memory/2808-134-0x0000000005760000-0x00000000057F2000-memory.dmp

              memory/2808-133-0x0000000005D10000-0x00000000062B4000-memory.dmp

              memory/4068-142-0x0000000000400000-0x0000000000626000-memory.dmp

              memory/4068-144-0x0000000007EE0000-0x0000000007EEA000-memory.dmp

              memory/4068-145-0x0000000007F10000-0x0000000007F22000-memory.dmp