Analysis

  • max time kernel
    121s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240704-en
  • resource tags

    arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
  • submitted
    17-09-2024 14:43

General

  • Target

    Ds1m7vqeVcwZRKF.exe

  • Size

    640KB

  • MD5

    4a90f11d1d20d21bff2b39a6318323db

  • SHA1

    c26d09b8004b6f9b1a3cbf9a1cf612f70344c0b6

  • SHA256

    c33f479dbf220bcc94b3ec3b50291bcb563dd42be1c93f946b06d162ad913675

  • SHA512

    c2cd0944c29216459797b06c6df9502402604a51c469e02d7383ad89399c7b792d60586781c71ada044a2456975f8561aa42258bc5477aa439283e5360fb9238

  • SSDEEP

    12288:O6Fbylg0LO2zqsnelpU4DySbSDC2CrzQ2px4hiMEouh:Okag5w74HbIC2mwgMEnh

Malware Config

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • Credentials from Password Stores: Credentials from Web Browsers 1 TTPs

    Malicious Access or copy of Web Browser Credential store.

  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

    Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

  • 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.

  • 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
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 13 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Ds1m7vqeVcwZRKF.exe
    "C:\Users\Admin\AppData\Local\Temp\Ds1m7vqeVcwZRKF.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1676
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\Ds1m7vqeVcwZRKF.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1836
    • C:\Users\Admin\AppData\Local\Temp\Ds1m7vqeVcwZRKF.exe
      "C:\Users\Admin\AppData\Local\Temp\Ds1m7vqeVcwZRKF.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1160

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1160-11-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/1160-9-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/1160-18-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/1160-16-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/1160-22-0x0000000074970000-0x000000007505E000-memory.dmp

    Filesize

    6.9MB

  • memory/1160-21-0x0000000074970000-0x000000007505E000-memory.dmp

    Filesize

    6.9MB

  • memory/1160-7-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/1160-20-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/1160-14-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/1160-26-0x0000000074970000-0x000000007505E000-memory.dmp

    Filesize

    6.9MB

  • memory/1160-12-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/1676-2-0x0000000074970000-0x000000007505E000-memory.dmp

    Filesize

    6.9MB

  • memory/1676-0-0x000000007497E000-0x000000007497F000-memory.dmp

    Filesize

    4KB

  • memory/1676-1-0x0000000000EC0000-0x0000000000F66000-memory.dmp

    Filesize

    664KB

  • memory/1676-6-0x0000000005C00000-0x0000000005C84000-memory.dmp

    Filesize

    528KB

  • memory/1676-5-0x0000000074970000-0x000000007505E000-memory.dmp

    Filesize

    6.9MB

  • memory/1676-4-0x000000007497E000-0x000000007497F000-memory.dmp

    Filesize

    4KB

  • memory/1676-23-0x0000000074970000-0x000000007505E000-memory.dmp

    Filesize

    6.9MB

  • memory/1676-3-0x00000000008D0000-0x00000000008DE000-memory.dmp

    Filesize

    56KB