Analysis

  • max time kernel
    105s
  • max time network
    110s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240611-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system
  • submitted
    14/06/2024, 01:48

General

  • Target
    185989caa5645c696d2d92dcbb9c400c6270b2d4cf21b87ac718144a1e0486e1.exe
  • Size 808KB
  • Sample240614-b75m5avarp
  • SHA256 185989caa5645c696d2d92dcbb9c400c6270b2d4cf21b87ac718144a1e0486e1
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • agenttesla

C2
  • https://api.telegram.org/bot7288956701:AAGI8Yq8sI6l1S7vYfYKq0jwMldTgmIxjiE/

Signatures

  • AgentTesla

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

  • UPX packed file 3 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Looks up external IP address via web service 3 IoCs

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

  • AutoIT Executable 2 IoCs

    AutoIT scripts compiled to PE executables.

  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: MapViewOfSection 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of FindShellTrayWindow 4 IoCs
  • Suspicious use of SendNotifyMessage 4 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 10 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\185989caa5645c696d2d92dcbb9c400c6270b2d4cf21b87ac718144a1e0486e1.exe
    "C:\Users\Admin\AppData\Local\Temp\185989caa5645c696d2d92dcbb9c400c6270b2d4cf21b87ac718144a1e0486e1.exe"
    1⤵
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:4868
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
      "C:\Users\Admin\AppData\Local\Temp\185989caa5645c696d2d92dcbb9c400c6270b2d4cf21b87ac718144a1e0486e1.exe"
      2⤵
        PID:1672
      • C:\Users\Admin\AppData\Local\Temp\185989caa5645c696d2d92dcbb9c400c6270b2d4cf21b87ac718144a1e0486e1.exe
        "C:\Users\Admin\AppData\Local\Temp\185989caa5645c696d2d92dcbb9c400c6270b2d4cf21b87ac718144a1e0486e1.exe"
        2⤵
        • Suspicious use of SetThreadContext
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        • Suspicious use of WriteProcessMemory
        PID:3496
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
          "C:\Users\Admin\AppData\Local\Temp\185989caa5645c696d2d92dcbb9c400c6270b2d4cf21b87ac718144a1e0486e1.exe"
          3⤵
          • Adds Run key to start application
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of SetWindowsHookEx
          PID:3428

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          aut31CE.tmp

          • Path C:\Users\Admin\AppData\Local\Temp\aut31CE.tmp
          • Size 266KB
          • SHA256 e08a56613c61347d83e9ca11bbe81ce0ecb95e51691df522db4b222e9e88c67d
          • MD5 SHA1 SHA512 SSDEEP

          nonagglutinant

          • Path C:\Users\Admin\AppData\Local\Temp\nonagglutinant
          • Size 28KB
          • SHA256 6f8abe15f44a9c84e41d9894ae95e9c0903837340bea20408f88c644cba9e7d8
          • MD5 SHA1 SHA512 SSDEEP

          memory/3428-72-0x0000000005690000-0x00000000056E0000-memory.dmp

          memory/3428-1159-0x0000000006F10000-0x0000000006FA2000-memory.dmp

          memory/3428-33-0x0000000000400000-0x0000000000447000-memory.dmp

          memory/3428-32-0x0000000000400000-0x0000000000447000-memory.dmp

          memory/3428-36-0x00000000741CE000-0x00000000741CF000-memory.dmp

          memory/3428-37-0x0000000005580000-0x00000000055D8000-memory.dmp

          memory/3428-38-0x00000000741C0000-0x0000000074970000-memory.dmp

          memory/3428-39-0x0000000005CC0000-0x0000000006264000-memory.dmp

          memory/3428-40-0x0000000005690000-0x00000000056E6000-memory.dmp

          memory/3428-54-0x0000000005690000-0x00000000056E0000-memory.dmp

          memory/3428-60-0x0000000005690000-0x00000000056E0000-memory.dmp

          memory/3428-98-0x0000000005690000-0x00000000056E0000-memory.dmp

          memory/3428-66-0x0000000005690000-0x00000000056E0000-memory.dmp

          memory/3428-94-0x0000000005690000-0x00000000056E0000-memory.dmp

          memory/3428-92-0x0000000005690000-0x00000000056E0000-memory.dmp

          memory/3428-90-0x0000000005690000-0x00000000056E0000-memory.dmp

          memory/3428-88-0x0000000005690000-0x00000000056E0000-memory.dmp

          memory/3428-86-0x0000000005690000-0x00000000056E0000-memory.dmp

          memory/3428-84-0x0000000005690000-0x00000000056E0000-memory.dmp

          memory/3428-82-0x0000000005690000-0x00000000056E0000-memory.dmp

          memory/3428-80-0x0000000005690000-0x00000000056E0000-memory.dmp

          memory/3428-76-0x0000000005690000-0x00000000056E0000-memory.dmp

          memory/3428-74-0x0000000005690000-0x00000000056E0000-memory.dmp

          memory/3428-30-0x0000000000400000-0x0000000000447000-memory.dmp

          memory/3428-31-0x0000000000400000-0x0000000000447000-memory.dmp

          memory/3428-70-0x0000000005690000-0x00000000056E0000-memory.dmp

          memory/3428-96-0x0000000005690000-0x00000000056E0000-memory.dmp

          memory/3428-64-0x0000000005690000-0x00000000056E0000-memory.dmp

          memory/3428-62-0x0000000005690000-0x00000000056E0000-memory.dmp

          memory/3428-58-0x0000000005690000-0x00000000056E0000-memory.dmp

          memory/3428-56-0x0000000005690000-0x00000000056E0000-memory.dmp

          memory/3428-52-0x0000000005690000-0x00000000056E0000-memory.dmp

          memory/3428-50-0x0000000005690000-0x00000000056E0000-memory.dmp

          memory/3428-48-0x0000000005690000-0x00000000056E0000-memory.dmp

          memory/3428-46-0x0000000005690000-0x00000000056E0000-memory.dmp

          memory/3428-44-0x0000000005690000-0x00000000056E0000-memory.dmp

          memory/3428-41-0x0000000005690000-0x00000000056E0000-memory.dmp

          memory/3428-78-0x0000000005690000-0x00000000056E0000-memory.dmp

          memory/3428-42-0x0000000005690000-0x00000000056E0000-memory.dmp

          memory/3428-1153-0x00000000058A0000-0x0000000005906000-memory.dmp

          memory/3428-1154-0x00000000741C0000-0x0000000074970000-memory.dmp

          memory/3428-1157-0x0000000006D80000-0x0000000006DD0000-memory.dmp

          memory/3428-1158-0x0000000006E70000-0x0000000006F0C000-memory.dmp

          memory/3428-68-0x0000000005690000-0x00000000056E0000-memory.dmp

          memory/3428-1160-0x0000000006E30000-0x0000000006E3A000-memory.dmp

          memory/3428-1161-0x0000000000400000-0x0000000000447000-memory.dmp

          memory/3428-1162-0x00000000741CE000-0x00000000741CF000-memory.dmp

          memory/3428-1163-0x00000000741C0000-0x0000000074970000-memory.dmp

          memory/3496-35-0x00000000004A0000-0x0000000000661000-memory.dmp

          memory/4868-0-0x00000000004A0000-0x0000000000661000-memory.dmp

          memory/4868-13-0x0000000001010000-0x0000000001014000-memory.dmp

          memory/4868-15-0x00000000004A0000-0x0000000000661000-memory.dmp