Analysis

  • max time kernel
    144s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220901-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23/01/2023, 10:48

General

  • Target
    NEW OFER LIST 2023_01_23.exe
  • Size 564KB
  • Sample230123-mv6kfach82
  • SHA256 3c78328ece4e85f59c8cc9cc01d5cf600aaff4ae7aa045bc3ffc2a3d8f0fd708
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Credentials
  • Protocol

    smtp

  • Host

    mail.dr2marking.com

  • Port

    587

  • Password

    K03V+H2rYQUl

Signatures

  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

  • Reads user/profile data of local email clients 2 TTPs

    Email clients store some user data on disk where infostealers will often target it.

  • 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
  • Looks up external IP address via web service 2 IoCs

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

  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\NEW OFER LIST 2023_01_23.exe
    "C:\Users\Admin\AppData\Local\Temp\NEW OFER LIST 2023_01_23.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:4980
    • C:\Users\Admin\AppData\Local\Temp\NEW OFER LIST 2023_01_23.exe
      "C:\Users\Admin\AppData\Local\Temp\NEW OFER LIST 2023_01_23.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:1356

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        NEW OFER LIST 2023_01_23.exe.log

        • Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\NEW OFER LIST 2023_01_23.exe.log
        • Size 1KB
        • SHA256 7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982
        • MD5 SHA1 SHA512

        memory/1356-138-0x0000000000400000-0x0000000000430000-memory.dmp

        memory/1356-140-0x00000000050C0000-0x0000000005126000-memory.dmp

        memory/1356-141-0x0000000006AF0000-0x0000000006B40000-memory.dmp

        memory/1356-142-0x0000000006E30000-0x0000000006FF2000-memory.dmp

        memory/4980-132-0x0000000000D80000-0x0000000000E10000-memory.dmp

        memory/4980-133-0x0000000005CF0000-0x0000000006294000-memory.dmp

        memory/4980-134-0x00000000057E0000-0x0000000005872000-memory.dmp

        memory/4980-135-0x00000000057C0000-0x00000000057CA000-memory.dmp

        memory/4980-136-0x0000000007940000-0x00000000079DC000-memory.dmp