Analysis

  • max time kernel
    142s
  • max time network
    147s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230703-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19/07/2023, 06:02

General

  • Target
    LBhouF2GQnuP6aT.exe
  • Size 734KB
  • Sample230719-grflysgh6x
  • SHA256 dc77bcebcccf792e8c87aea9ddc452b361e6f4da04bb44daed22b52670a8443b
  • 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
  • Adds Run key to start application 2 TTPs 1 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\LBhouF2GQnuP6aT.exe
    "C:\Users\Admin\AppData\Local\Temp\LBhouF2GQnuP6aT.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4476
    • C:\Users\Admin\AppData\Local\Temp\LBhouF2GQnuP6aT.exe
      "C:\Users\Admin\AppData\Local\Temp\LBhouF2GQnuP6aT.exe"
      2⤵
        PID:1740
      • C:\Users\Admin\AppData\Local\Temp\LBhouF2GQnuP6aT.exe
        "C:\Users\Admin\AppData\Local\Temp\LBhouF2GQnuP6aT.exe"
        2⤵
        • Accesses Microsoft Outlook profiles
        • Adds Run key to start application
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • outlook_office_path
        • outlook_win_path
        PID:2716

    Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

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          Downloads

          LBhouF2GQnuP6aT.exe.log

          • Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\LBhouF2GQnuP6aT.exe.log
          • Size 1KB
          • SHA256 7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982
          • MD5 SHA1 SHA512

          memory/2716-142-0x0000000000400000-0x0000000000430000-memory.dmp

          memory/2716-151-0x0000000075300000-0x0000000075AB0000-memory.dmp

          memory/2716-150-0x0000000006950000-0x0000000006B12000-memory.dmp

          memory/2716-149-0x0000000006730000-0x0000000006780000-memory.dmp

          memory/2716-147-0x0000000005840000-0x00000000058A6000-memory.dmp

          memory/2716-145-0x0000000075300000-0x0000000075AB0000-memory.dmp

          memory/4476-141-0x00000000092F0000-0x000000000938C000-memory.dmp

          memory/4476-133-0x00000000009D0000-0x0000000000A8E000-memory.dmp

          memory/4476-140-0x0000000005640000-0x0000000005650000-memory.dmp

          memory/4476-139-0x0000000075300000-0x0000000075AB0000-memory.dmp

          memory/4476-138-0x00000000054A0000-0x00000000054AA000-memory.dmp

          memory/4476-146-0x0000000075300000-0x0000000075AB0000-memory.dmp

          memory/4476-137-0x0000000005640000-0x0000000005650000-memory.dmp

          memory/4476-136-0x0000000005500000-0x0000000005592000-memory.dmp

          memory/4476-135-0x0000000005A10000-0x0000000005FB4000-memory.dmp

          memory/4476-134-0x0000000075300000-0x0000000075AB0000-memory.dmp