Analysis

  • max time kernel
    133s
  • max time network
    105s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22-05-2024 13:30

General

  • Target

    SecuriteInfo.com.Win64.PWSX-gen.16698.32595.exe

  • Size

    2.5MB

  • MD5

    3a1b81c6763af1d0d35082ee119c731a

  • SHA1

    de17332d6c29afd205611f1abfecee207a91bc7d

  • SHA256

    8d48681090810cf096230ac8e6900c4cdb22d9872622ba55f9d70c1c1ca32956

  • SHA512

    03494a5db06028f23c4cb77ac574e348f1374a66ccb43236fa09fbc0423dc98c21cd618210bc1a52e88c194c3786e8cd58511c8ae12632e03fed1371df2c541f

  • SSDEEP

    24576:7qCdMP5SdezpyFNrhSCPuoX0k6O2BusxExVJhewLg31+mYGnKBF1JETXHOa/8+UW:7P6hSrcCPT0JwLg31+mYGnKDkTXph

Malware Config

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.

  • 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
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win64.PWSX-gen.16698.32595.exe
    "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win64.PWSX-gen.16698.32595.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1416
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe"
      2⤵
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2872

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2872-0-0x0000000000400000-0x0000000000442000-memory.dmp
    Filesize

    264KB

  • memory/2872-1-0x00000000746EE000-0x00000000746EF000-memory.dmp
    Filesize

    4KB

  • memory/2872-2-0x00000000057F0000-0x0000000005D94000-memory.dmp
    Filesize

    5.6MB

  • memory/2872-3-0x0000000005180000-0x00000000051E6000-memory.dmp
    Filesize

    408KB

  • memory/2872-4-0x00000000746E0000-0x0000000074E90000-memory.dmp
    Filesize

    7.7MB

  • memory/2872-6-0x0000000006690000-0x00000000066E0000-memory.dmp
    Filesize

    320KB

  • memory/2872-7-0x0000000006780000-0x0000000006812000-memory.dmp
    Filesize

    584KB

  • memory/2872-8-0x0000000006700000-0x000000000670A000-memory.dmp
    Filesize

    40KB

  • memory/2872-9-0x00000000746EE000-0x00000000746EF000-memory.dmp
    Filesize

    4KB

  • memory/2872-10-0x00000000746E0000-0x0000000074E90000-memory.dmp
    Filesize

    7.7MB