Analysis

  • max time kernel
    103s
  • max time network
    104s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    15-05-2024 08:22

General

  • Target

    vsl_information_7927_pdf.exe

  • Size

    1.0MB

  • MD5

    67950946282eae4057d8175b41604764

  • SHA1

    34abefea5eed13529b243e06f87d14977081b295

  • SHA256

    fb4919294389e873ecbf846b77f281854cc9e15cebb095fc4c54cd7c55c0ee9e

  • SHA512

    65b7e6eaed0c5582b741293661447e35ec84c14170f9512de24987e03f26cbfb295d882c13c7ff4eea7af3cd0fb7f1cf003f7d8b5f255e0ed68b571996e104b5

  • SSDEEP

    24576:OAHnh+eWsN3skA4RV1Hom2KXMmHaoZUakf8wh5:5h+ZkldoPK8Yao+aIn

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\vsl_information_7927_pdf.exe
    "C:\Users\Admin\AppData\Local\Temp\vsl_information_7927_pdf.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:2036
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
      "C:\Users\Admin\AppData\Local\Temp\vsl_information_7927_pdf.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:4456
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2036 -s 696
      2⤵
      • Program crash
      PID:652
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 368 -p 2036 -ip 2036
    1⤵
      PID:1856

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/2036-10-0x0000000003AA0000-0x0000000003AA4000-memory.dmp

      Filesize

      16KB

    • memory/4456-11-0x00000000001A0000-0x00000000001E2000-memory.dmp

      Filesize

      264KB

    • memory/4456-12-0x000000007412E000-0x000000007412F000-memory.dmp

      Filesize

      4KB

    • memory/4456-13-0x0000000004FB0000-0x0000000005554000-memory.dmp

      Filesize

      5.6MB

    • memory/4456-14-0x0000000004A00000-0x0000000004A66000-memory.dmp

      Filesize

      408KB

    • memory/4456-15-0x0000000074120000-0x00000000748D0000-memory.dmp

      Filesize

      7.7MB

    • memory/4456-16-0x0000000005FA0000-0x0000000005FF0000-memory.dmp

      Filesize

      320KB

    • memory/4456-17-0x0000000006090000-0x0000000006122000-memory.dmp

      Filesize

      584KB

    • memory/4456-18-0x0000000006020000-0x000000000602A000-memory.dmp

      Filesize

      40KB

    • memory/4456-19-0x000000007412E000-0x000000007412F000-memory.dmp

      Filesize

      4KB

    • memory/4456-20-0x0000000074120000-0x00000000748D0000-memory.dmp

      Filesize

      7.7MB