Analysis

  • max time kernel
    52s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230703-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
  • submitted
    05/07/2023, 10:31

General

  • Target
    acfcd52f757d0f4526e651d7823f1d0eb93a37843b44d56c5b2f7f4a9edfd0b9.exe
  • Size 776KB
  • Sample230705-mkc55sbe92
  • SHA256 acfcd52f757d0f4526e651d7823f1d0eb93a37843b44d56c5b2f7f4a9edfd0b9
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • agenttesla

Credentials

Signatures

  • AgentTesla

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

  • 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
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\acfcd52f757d0f4526e651d7823f1d0eb93a37843b44d56c5b2f7f4a9edfd0b9.exe
    "C:\Users\Admin\AppData\Local\Temp\acfcd52f757d0f4526e651d7823f1d0eb93a37843b44d56c5b2f7f4a9edfd0b9.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4064
    • C:\Users\Admin\AppData\Local\Temp\acfcd52f757d0f4526e651d7823f1d0eb93a37843b44d56c5b2f7f4a9edfd0b9.exe
      "C:\Users\Admin\AppData\Local\Temp\acfcd52f757d0f4526e651d7823f1d0eb93a37843b44d56c5b2f7f4a9edfd0b9.exe"
      2⤵
        PID:3512
      • C:\Users\Admin\AppData\Local\Temp\acfcd52f757d0f4526e651d7823f1d0eb93a37843b44d56c5b2f7f4a9edfd0b9.exe
        "C:\Users\Admin\AppData\Local\Temp\acfcd52f757d0f4526e651d7823f1d0eb93a37843b44d56c5b2f7f4a9edfd0b9.exe"
        2⤵
        • Accesses Microsoft Outlook profiles
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • outlook_office_path
        • outlook_win_path
        PID:2132

    Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          acfcd52f757d0f4526e651d7823f1d0eb93a37843b44d56c5b2f7f4a9edfd0b9.exe.log

          • Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\acfcd52f757d0f4526e651d7823f1d0eb93a37843b44d56c5b2f7f4a9edfd0b9.exe.log
          • Size 1KB
          • SHA256 7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982
          • MD5 SHA1 SHA512

          memory/2132-140-0x0000000000400000-0x0000000000430000-memory.dmp

          memory/2132-147-0x00000000052B0000-0x00000000052C0000-memory.dmp

          memory/2132-146-0x00000000062D0000-0x0000000006492000-memory.dmp

          memory/2132-145-0x00000000060B0000-0x0000000006100000-memory.dmp

          memory/2132-144-0x00000000052B0000-0x00000000052C0000-memory.dmp

          memory/2132-143-0x0000000005390000-0x00000000053F6000-memory.dmp

          memory/4064-136-0x00000000056E0000-0x00000000056EA000-memory.dmp

          memory/4064-139-0x00000000073D0000-0x000000000746C000-memory.dmp

          memory/4064-138-0x00000000059B0000-0x00000000059C0000-memory.dmp

          memory/4064-137-0x00000000059B0000-0x00000000059C0000-memory.dmp

          memory/4064-133-0x0000000000C30000-0x0000000000CF8000-memory.dmp

          memory/4064-135-0x0000000005720000-0x00000000057B2000-memory.dmp

          memory/4064-134-0x0000000005C30000-0x00000000061D4000-memory.dmp