Analysis

  • max time kernel
    148s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21-12-2024 01:14

General

  • Target

    QUOTATION#008792.exe

  • Size

    5.2MB

  • MD5

    3fe5154545a6e8c47335c12fcf16b481

  • SHA1

    7768419fc41a9bbe7fd22896e1e871316fe631a2

  • SHA256

    15712c6c43c25291c0bff7e6e67df590fbfc1db2e00f341f65c13eb001ba0996

  • SHA512

    1cafb13bfc7ad5af6fe6f3aa7f7589b2c8ed9856b351df77e67e8df816f8dd8a94048f2d49bfd205c3e4e6d1894e1ab4f1c4487ed3d1bd0ab9d1958f59d09283

  • SSDEEP

    49152:xbBzJFqLJMYJ3SlFdw/7xhSFOOrTM7F44eF4Gx13Wt64XnrE/ylDYRcrbZ4GOmd7:xbELJM50xhfOidV/eRLmW0XpSoZIeBt

Malware Config

Extracted

Credentials

  • Protocol:
    ftp
  • Host:
    ftp.ercolina-usa.com
  • Port:
    21
  • Username:
    [email protected]
  • Password:
    nXe0M~WkW&nJ

Extracted

Family

agenttesla

Credentials

  • Protocol:
    ftp
  • Host:
    ftp://ftp.ercolina-usa.com
  • Port:
    21
  • Username:
    [email protected]
  • Password:
    nXe0M~WkW&nJ

Signatures

  • AgentTesla

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

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

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

  • Suspicious use of SetThreadContext 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\QUOTATION#008792.exe
    "C:\Users\Admin\AppData\Local\Temp\QUOTATION#008792.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2100
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\regsvcs.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\regsvcs.exe"
      2⤵
        PID:5088
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\jsc.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\jsc.exe"
        2⤵
          PID:3400
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\msbuild.exe
          "C:\Windows\Microsoft.NET\Framework\v4.0.30319\msbuild.exe"
          2⤵
          • Adds Run key to start application
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of SetWindowsHookEx
          PID:412
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\msbuild.exe
          "C:\Windows\Microsoft.NET\Framework\v4.0.30319\msbuild.exe"
          2⤵
            PID:2932

        Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/412-12-0x0000000006F00000-0x0000000006F50000-memory.dmp

          Filesize

          320KB

        • memory/412-16-0x0000000075240000-0x00000000759F0000-memory.dmp

          Filesize

          7.7MB

        • memory/412-15-0x000000007524E000-0x000000007524F000-memory.dmp

          Filesize

          4KB

        • memory/412-14-0x0000000007010000-0x000000000701A000-memory.dmp

          Filesize

          40KB

        • memory/412-4-0x0000000000400000-0x0000000000444000-memory.dmp

          Filesize

          272KB

        • memory/412-5-0x000000007524E000-0x000000007524F000-memory.dmp

          Filesize

          4KB

        • memory/412-6-0x0000000005ED0000-0x0000000006474000-memory.dmp

          Filesize

          5.6MB

        • memory/412-7-0x0000000005AD0000-0x0000000005B36000-memory.dmp

          Filesize

          408KB

        • memory/412-8-0x0000000075240000-0x00000000759F0000-memory.dmp

          Filesize

          7.7MB

        • memory/412-13-0x0000000007070000-0x0000000007102000-memory.dmp

          Filesize

          584KB

        • memory/2100-3-0x00007FF9F5A70000-0x00007FF9F6531000-memory.dmp

          Filesize

          10.8MB

        • memory/2100-9-0x00007FF9F5A70000-0x00007FF9F6531000-memory.dmp

          Filesize

          10.8MB

        • memory/2100-0-0x00007FF9F5A73000-0x00007FF9F5A75000-memory.dmp

          Filesize

          8KB

        • memory/2100-2-0x0000022EF18E0000-0x0000022EF1976000-memory.dmp

          Filesize

          600KB

        • memory/2100-1-0x0000022EEF810000-0x0000022EEFD46000-memory.dmp

          Filesize

          5.2MB