Analysis

  • max time kernel
    119s
  • max time network
    125s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230220-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03/04/2023, 13:41

General

  • Target
    c926c9812327ced09a6279f86abce7caecb49c8d53abd7c901d5267b8d07b487.exe
  • Size 727KB
  • Sample230403-qy4f2afa97
  • SHA256 c926c9812327ced09a6279f86abce7caecb49c8d53abd7c901d5267b8d07b487
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • agenttesla

C2
  • https://api.telegram.org/bot6174413593:AAEFJFfmmgKHkg-43MZw2Pt5EAT6z2Bs9Ug/

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 2 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 WriteProcessMemory 8 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c926c9812327ced09a6279f86abce7caecb49c8d53abd7c901d5267b8d07b487.exe
    "C:\Users\Admin\AppData\Local\Temp\c926c9812327ced09a6279f86abce7caecb49c8d53abd7c901d5267b8d07b487.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2368
    • C:\Users\Admin\AppData\Local\Temp\c926c9812327ced09a6279f86abce7caecb49c8d53abd7c901d5267b8d07b487.exe
      "C:\Users\Admin\AppData\Local\Temp\c926c9812327ced09a6279f86abce7caecb49c8d53abd7c901d5267b8d07b487.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:4592

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        c926c9812327ced09a6279f86abce7caecb49c8d53abd7c901d5267b8d07b487.exe.log

        • Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\c926c9812327ced09a6279f86abce7caecb49c8d53abd7c901d5267b8d07b487.exe.log
        • Size 1KB
        • SHA256 7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982
        • MD5 SHA1 SHA512

        memory/2368-139-0x0000000006D90000-0x0000000006E2C000-memory.dmp

        memory/2368-135-0x0000000005150000-0x00000000051E2000-memory.dmp

        memory/2368-136-0x00000000053B0000-0x00000000053C0000-memory.dmp

        memory/2368-137-0x00000000050F0000-0x00000000050FA000-memory.dmp

        memory/2368-138-0x00000000053B0000-0x00000000053C0000-memory.dmp

        memory/2368-133-0x0000000000670000-0x000000000072C000-memory.dmp

        memory/2368-134-0x0000000005660000-0x0000000005C04000-memory.dmp

        memory/4592-140-0x0000000000400000-0x0000000000430000-memory.dmp

        memory/4592-143-0x0000000004F60000-0x0000000004FC6000-memory.dmp

        memory/4592-144-0x0000000005170000-0x0000000005180000-memory.dmp

        memory/4592-145-0x0000000006B20000-0x0000000006B70000-memory.dmp

        memory/4592-146-0x0000000006D40000-0x0000000006F02000-memory.dmp

        memory/4592-147-0x0000000005170000-0x0000000005180000-memory.dmp