Analysis

  • max time kernel
    148s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21/05/2024, 01:57

General

  • Target

    d91abe1f2c3533430178d0067ffc5ce588d2bd241375179829179c82d39d9e6d.exe

  • Size

    1.4MB

  • MD5

    726c360beafc5735df3048301fccc5b9

  • SHA1

    3b9c9c07bfd564ddad935778a24e2c93f8883457

  • SHA256

    d91abe1f2c3533430178d0067ffc5ce588d2bd241375179829179c82d39d9e6d

  • SHA512

    cac48ab2f722d845bba623f80dcd0856b651e3ec46695dc4efa4f7cbd94d8d877d581001b6d32d14f16628787636537753c418dc27d27e07a5ad2ae6d3c8b9fa

  • SSDEEP

    24576:8yLNKjUF+x7f5H6s5K+zzLZYaQer4C/RYhhlBk+hIHDSYWORpHc3gpJ:m8IzLZ9Q04lLOD5WORpkgpJ

Malware Config

Extracted

Credentials

  • Protocol:
    ftp
  • Host:
    associatessystems.com
  • Port:
    21
  • Username:
    [email protected]
  • Password:
    computer1840

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • Reads WinSCP keys stored on the system 2 TTPs

    Tries to access WinSCP stored sessions.

  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

  • 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.

  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\d91abe1f2c3533430178d0067ffc5ce588d2bd241375179829179c82d39d9e6d.exe
    "C:\Users\Admin\AppData\Local\Temp\d91abe1f2c3533430178d0067ffc5ce588d2bd241375179829179c82d39d9e6d.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:4404
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\msbuild.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\msbuild.exe"
      2⤵
        PID:1148
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe"
        2⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:3216
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe"
        2⤵
          PID:4592

      Network

            MITRE ATT&CK Enterprise v15

            Replay Monitor

            Loading Replay Monitor...

            Downloads

            • memory/3216-12-0x0000000006880000-0x0000000006912000-memory.dmp

              Filesize

              584KB

            • memory/3216-11-0x0000000006350000-0x00000000063A0000-memory.dmp

              Filesize

              320KB

            • memory/3216-15-0x0000000074500000-0x0000000074CB0000-memory.dmp

              Filesize

              7.7MB

            • memory/3216-14-0x000000007450E000-0x000000007450F000-memory.dmp

              Filesize

              4KB

            • memory/3216-6-0x000000007450E000-0x000000007450F000-memory.dmp

              Filesize

              4KB

            • memory/3216-5-0x0000000000400000-0x0000000000442000-memory.dmp

              Filesize

              264KB

            • memory/3216-13-0x0000000006850000-0x000000000685A000-memory.dmp

              Filesize

              40KB

            • memory/3216-9-0x0000000074500000-0x0000000074CB0000-memory.dmp

              Filesize

              7.7MB

            • memory/3216-8-0x00000000054B0000-0x0000000005516000-memory.dmp

              Filesize

              408KB

            • memory/3216-7-0x00000000058F0000-0x0000000005E94000-memory.dmp

              Filesize

              5.6MB

            • memory/4404-4-0x0000018479DC0000-0x0000018479E54000-memory.dmp

              Filesize

              592KB

            • memory/4404-10-0x00007FFDB7280000-0x00007FFDB7D41000-memory.dmp

              Filesize

              10.8MB

            • memory/4404-0-0x00007FFDB7283000-0x00007FFDB7285000-memory.dmp

              Filesize

              8KB

            • memory/4404-1-0x0000018479300000-0x000001847930E000-memory.dmp

              Filesize

              56KB

            • memory/4404-3-0x00007FFDB7280000-0x00007FFDB7D41000-memory.dmp

              Filesize

              10.8MB

            • memory/4404-2-0x00007FFDB7280000-0x00007FFDB7D41000-memory.dmp

              Filesize

              10.8MB