Analysis

  • max time kernel
    145s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06/02/2023, 13:28

General

  • Target
    0892c1361c3771d9a3289589e8b0a9709e892970176943d649e87179044cb53f.exe
  • Size 667KB
  • Sample230206-qqn2dahd21
  • SHA256 0892c1361c3771d9a3289589e8b0a9709e892970176943d649e87179044cb53f
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • agenttesla

C2
  • https://api.telegram.org/bot5562225681:AAH6QGBJZqdJOh3OzXpbfVjhjmlFzQMPOCQ/

Signatures

  • AgentTesla

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

  • 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 2 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\0892c1361c3771d9a3289589e8b0a9709e892970176943d649e87179044cb53f.exe
    "C:\Users\Admin\AppData\Local\Temp\0892c1361c3771d9a3289589e8b0a9709e892970176943d649e87179044cb53f.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3804
    • C:\Users\Admin\AppData\Local\Temp\0892c1361c3771d9a3289589e8b0a9709e892970176943d649e87179044cb53f.exe
      "C:\Users\Admin\AppData\Local\Temp\0892c1361c3771d9a3289589e8b0a9709e892970176943d649e87179044cb53f.exe"
      2⤵
        PID:892
      • C:\Users\Admin\AppData\Local\Temp\0892c1361c3771d9a3289589e8b0a9709e892970176943d649e87179044cb53f.exe
        "C:\Users\Admin\AppData\Local\Temp\0892c1361c3771d9a3289589e8b0a9709e892970176943d649e87179044cb53f.exe"
        2⤵
        • Accesses Microsoft Outlook profiles
        • Suspicious use of AdjustPrivilegeToken
        • outlook_office_path
        • outlook_win_path
        PID:4696

    Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          0892c1361c3771d9a3289589e8b0a9709e892970176943d649e87179044cb53f.exe.log

          • Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\0892c1361c3771d9a3289589e8b0a9709e892970176943d649e87179044cb53f.exe.log
          • Size 1KB
          • SHA256 7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982
          • MD5 SHA1 SHA512

          memory/3804-132-0x0000000000950000-0x00000000009FE000-memory.dmp

          memory/3804-133-0x0000000005940000-0x0000000005EE4000-memory.dmp

          memory/3804-134-0x0000000005250000-0x00000000052E2000-memory.dmp

          memory/3804-135-0x00000000053B0000-0x00000000053BA000-memory.dmp

          memory/3804-136-0x0000000007B40000-0x0000000007BDC000-memory.dmp

          memory/4696-139-0x0000000000400000-0x0000000000430000-memory.dmp

          memory/4696-141-0x0000000004E40000-0x0000000004EA6000-memory.dmp

          memory/4696-142-0x0000000006970000-0x00000000069C0000-memory.dmp