Analysis

  • max time kernel
    122s
  • max time network
    125s
  • platform
    windows7_x64
  • resource
    win7-20231020-en
  • resource tags

    arch:x64arch:x86image:win7-20231020-enlocale:en-usos:windows7-x64system
  • submitted
    01/11/2023, 10:09

General

  • Target
    REMITTANCE COPY 0020200244442023.gz.exe
  • Size 744KB
  • Sample231101-l6smaagh44
  • SHA256 f31bb7435b6f8828e77f9abcf151a84db7d2bf965443682f79e0e223be7c86ca
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • agenttesla

Credentials
  • Protocol

    smtp

  • Host

    smtp.obynnehhhan.com

  • Port

    587

  • Password

    G$MUuYG3

Signatures

  • AgentTesla

    Agent Tesla is a remote access tool (RAT) written in visual basic.

  • AgentTesla payload 6 IoCs
  • 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
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\REMITTANCE COPY 0020200244442023.gz.exe
    "C:\Users\Admin\AppData\Local\Temp\REMITTANCE COPY 0020200244442023.gz.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1380
    • C:\Users\Admin\AppData\Local\Temp\REMITTANCE COPY 0020200244442023.gz.exe
      "C:\Users\Admin\AppData\Local\Temp\REMITTANCE COPY 0020200244442023.gz.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:1344

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        memory/1344-17-0x0000000000400000-0x000000000043C000-memory.dmp

        memory/1344-9-0x0000000000400000-0x000000000043C000-memory.dmp

        memory/1344-24-0x0000000004950000-0x0000000004990000-memory.dmp

        memory/1344-23-0x00000000744F0000-0x0000000074BDE000-memory.dmp

        memory/1344-22-0x0000000004950000-0x0000000004990000-memory.dmp

        memory/1344-21-0x00000000744F0000-0x0000000074BDE000-memory.dmp

        memory/1344-10-0x0000000000400000-0x000000000043C000-memory.dmp

        memory/1344-20-0x0000000000400000-0x000000000043C000-memory.dmp

        memory/1344-15-0x0000000000400000-0x000000000043C000-memory.dmp

        memory/1344-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

        memory/1344-12-0x0000000000400000-0x000000000043C000-memory.dmp

        memory/1344-11-0x0000000000400000-0x000000000043C000-memory.dmp

        memory/1380-6-0x0000000000340000-0x0000000000346000-memory.dmp

        memory/1380-1-0x0000000074BE0000-0x00000000752CE000-memory.dmp

        memory/1380-8-0x0000000005040000-0x00000000050D8000-memory.dmp

        memory/1380-0-0x0000000000980000-0x0000000000A40000-memory.dmp

        memory/1380-19-0x0000000074BE0000-0x00000000752CE000-memory.dmp

        memory/1380-7-0x0000000000450000-0x000000000045A000-memory.dmp

        memory/1380-5-0x0000000000460000-0x00000000004A0000-memory.dmp

        memory/1380-4-0x0000000074BE0000-0x00000000752CE000-memory.dmp

        memory/1380-3-0x00000000001F0000-0x0000000000200000-memory.dmp

        memory/1380-2-0x0000000000460000-0x00000000004A0000-memory.dmp