Analysis

  • max time kernel
    80s
  • max time network
    100s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    15/06/2024, 01:33

General

  • Target
    a9581804824f516325c315ff6dff463aa26c5a3772b20ea024995f935457d697.exe
  • Size 3.3MB
  • Sample240615-byq4davanc
  • SHA256 a9581804824f516325c315ff6dff463aa26c5a3772b20ea024995f935457d697
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • agenttesla

Credentials

Signatures

  • AgentTesla

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

  • 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
  • Program crash 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a9581804824f516325c315ff6dff463aa26c5a3772b20ea024995f935457d697.exe
    "C:\Users\Admin\AppData\Local\Temp\a9581804824f516325c315ff6dff463aa26c5a3772b20ea024995f935457d697.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1608
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4184
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 4184 -s 1936
        3⤵
        • Program crash
        PID:368
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe"
      2⤵
        PID:5084
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 520 -p 4184 -ip 4184
      1⤵
        PID:4976

      Network

            MITRE ATT&CK Matrix

            Replay Monitor

            Loading Replay Monitor...

            Downloads

            memory/1608-0-0x00007FFBF7F63000-0x00007FFBF7F65000-memory.dmp

            memory/1608-1-0x0000023D35380000-0x0000023D3538E000-memory.dmp

            memory/1608-2-0x00007FFBF7F60000-0x00007FFBF8A21000-memory.dmp

            memory/1608-3-0x0000023D4F9D0000-0x0000023D4FA64000-memory.dmp

            memory/1608-9-0x00007FFBF7F60000-0x00007FFBF8A21000-memory.dmp

            memory/4184-4-0x0000000000400000-0x0000000000442000-memory.dmp

            memory/4184-5-0x000000007515E000-0x000000007515F000-memory.dmp

            memory/4184-6-0x0000000005CD0000-0x0000000006274000-memory.dmp

            memory/4184-7-0x0000000005820000-0x0000000005886000-memory.dmp

            memory/4184-8-0x0000000075150000-0x0000000075900000-memory.dmp

            memory/4184-10-0x0000000075150000-0x0000000075900000-memory.dmp