Analysis

  • max time kernel
    142s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231127-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231127-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06-12-2023 17:29

General

  • Target

    SecuriteInfo.com.W32.MSIL_Agent.FPI.gen.Eldorado.9335.31098.exe

  • Size

    51.0MB

  • MD5

    2d675409d5a639aebaaae6cbe70978d4

  • SHA1

    42baae41cbff2ccc8bc2eae1d7d52c32ab1b45ed

  • SHA256

    c04609d67b1957dcc1c7aa13a5159c26fa5f5ac6a12de18d20c8d0c93ce25e0a

  • SHA512

    89c58df21e2e4aa34e6d18f35e36b92d650a256736ffb67233010028e8a8a925bc6597ea05e383d9f26438758d3f832e74e4ad79ca059efc06eadcf78d93c454

  • SSDEEP

    12288:hTq6Jolqr2/hB33Mi7E9UAFq6Az2XSAvO5s5oFmXESSdueH5qFyD:hVuhN7E9UIq6pvvO3FmXuLqFyD

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 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.W32.MSIL_Agent.FPI.gen.Eldorado.9335.31098.exe
    "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.W32.MSIL_Agent.FPI.gen.Eldorado.9335.31098.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4280
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:492
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 492 -s 1816
        3⤵
        • Program crash
        PID:3488
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 492 -ip 492
    1⤵
      PID:4456

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/492-11-0x0000000000400000-0x0000000000442000-memory.dmp

      Filesize

      264KB

    • memory/492-17-0x0000000074B90000-0x0000000075340000-memory.dmp

      Filesize

      7.7MB

    • memory/492-13-0x0000000074B90000-0x0000000075340000-memory.dmp

      Filesize

      7.7MB

    • memory/492-16-0x0000000005580000-0x00000000055E6000-memory.dmp

      Filesize

      408KB

    • memory/492-15-0x00000000054F0000-0x0000000005500000-memory.dmp

      Filesize

      64KB

    • memory/4280-4-0x0000000005A00000-0x0000000005A10000-memory.dmp

      Filesize

      64KB

    • memory/4280-6-0x00000000084D0000-0x00000000084EA000-memory.dmp

      Filesize

      104KB

    • memory/4280-7-0x00000000080B0000-0x00000000080B8000-memory.dmp

      Filesize

      32KB

    • memory/4280-8-0x00000000080C0000-0x00000000080CA000-memory.dmp

      Filesize

      40KB

    • memory/4280-9-0x0000000008370000-0x00000000083EC000-memory.dmp

      Filesize

      496KB

    • memory/4280-10-0x000000000ABD0000-0x000000000AC6C000-memory.dmp

      Filesize

      624KB

    • memory/4280-5-0x0000000005710000-0x000000000571A000-memory.dmp

      Filesize

      40KB

    • memory/4280-0-0x0000000000CB0000-0x0000000000D60000-memory.dmp

      Filesize

      704KB

    • memory/4280-3-0x0000000005780000-0x0000000005812000-memory.dmp

      Filesize

      584KB

    • memory/4280-14-0x0000000074B90000-0x0000000075340000-memory.dmp

      Filesize

      7.7MB

    • memory/4280-2-0x0000000005D30000-0x00000000062D4000-memory.dmp

      Filesize

      5.6MB

    • memory/4280-1-0x0000000074B90000-0x0000000075340000-memory.dmp

      Filesize

      7.7MB