Analysis

  • max time kernel
    143s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230703-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06/07/2023, 13:24

General

  • Target
    45c87614da1d77c97f2b3faedf5b8577e305468ff8f7f04088afcc84ccdf67af.exe
  • Size 915KB
  • Sample230706-qned6abe37
  • SHA256 45c87614da1d77c97f2b3faedf5b8577e305468ff8f7f04088afcc84ccdf67af
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • agenttesla

C2
  • https://api.telegram.org/bot5843567515:AAEdtJWwcJKNn64U81CKVdG-li_Ejds8raM/

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
  • Looks up external IP address via web service 1 IoCs

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

  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 9 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 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\45c87614da1d77c97f2b3faedf5b8577e305468ff8f7f04088afcc84ccdf67af.exe
    "C:\Users\Admin\AppData\Local\Temp\45c87614da1d77c97f2b3faedf5b8577e305468ff8f7f04088afcc84ccdf67af.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4136
    • C:\Users\Admin\AppData\Local\Temp\45c87614da1d77c97f2b3faedf5b8577e305468ff8f7f04088afcc84ccdf67af.exe
      "C:\Users\Admin\AppData\Local\Temp\45c87614da1d77c97f2b3faedf5b8577e305468ff8f7f04088afcc84ccdf67af.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • outlook_office_path
      • outlook_win_path
      PID:3432

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        45c87614da1d77c97f2b3faedf5b8577e305468ff8f7f04088afcc84ccdf67af.exe.log

        • Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\45c87614da1d77c97f2b3faedf5b8577e305468ff8f7f04088afcc84ccdf67af.exe.log
        • Size 1KB
        • SHA256 7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982
        • MD5 SHA1 SHA512

        memory/3432-140-0x0000000000400000-0x0000000000430000-memory.dmp

        memory/3432-147-0x0000000006EA0000-0x0000000007062000-memory.dmp

        memory/3432-146-0x0000000006C80000-0x0000000006CD0000-memory.dmp

        memory/3432-145-0x0000000005560000-0x0000000005570000-memory.dmp

        memory/3432-144-0x0000000005560000-0x0000000005570000-memory.dmp

        memory/3432-143-0x00000000054C0000-0x0000000005526000-memory.dmp

        memory/4136-136-0x0000000005070000-0x0000000005080000-memory.dmp

        memory/4136-139-0x0000000006740000-0x00000000067DC000-memory.dmp

        memory/4136-138-0x0000000005070000-0x0000000005080000-memory.dmp

        memory/4136-137-0x0000000004E10000-0x0000000004E1A000-memory.dmp

        memory/4136-133-0x0000000000370000-0x000000000045A000-memory.dmp

        memory/4136-135-0x0000000004E50000-0x0000000004EE2000-memory.dmp

        memory/4136-134-0x0000000005360000-0x0000000005904000-memory.dmp