Analysis

  • max time kernel
    119s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    19/02/2024, 03:28

General

  • Target
    SecuriteInfo.com.TrojanLoader.MSIL.DaVinci.Heur.8283.15875.exe
  • Size 695KB
  • Sample240219-d1bskshb5w
  • SHA256 900d537d757fdc15a522d6643dc9071294fa5b30ecdf0807fe3fcd0f9680ce40
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • agenttesla

Credentials

Signatures

  • AgentTesla

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

  • 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 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).

  • Suspicious behavior: EnumeratesProcesses 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 13 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.TrojanLoader.MSIL.DaVinci.Heur.8283.15875.exe
    "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.TrojanLoader.MSIL.DaVinci.Heur.8283.15875.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1220
    • 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\SecuriteInfo.com.TrojanLoader.MSIL.DaVinci.Heur.8283.15875.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2860
    • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.TrojanLoader.MSIL.DaVinci.Heur.8283.15875.exe
      "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.TrojanLoader.MSIL.DaVinci.Heur.8283.15875.exe"
      2⤵
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3036

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        memory/1220-0-0x0000000000F80000-0x0000000001034000-memory.dmp

        memory/1220-1-0x00000000746C0000-0x0000000074DAE000-memory.dmp

        memory/1220-2-0x0000000004CA0000-0x0000000004CE0000-memory.dmp

        memory/1220-3-0x00000000004F0000-0x000000000050C000-memory.dmp

        memory/1220-4-0x0000000000520000-0x0000000000532000-memory.dmp

        memory/1220-5-0x0000000005290000-0x0000000005314000-memory.dmp

        memory/1220-21-0x00000000746C0000-0x0000000074DAE000-memory.dmp

        memory/2860-31-0x000000006F840000-0x000000006FDEB000-memory.dmp

        memory/2860-30-0x00000000023E0000-0x0000000002420000-memory.dmp

        memory/2860-29-0x00000000023E0000-0x0000000002420000-memory.dmp

        memory/2860-28-0x00000000023E0000-0x0000000002420000-memory.dmp

        memory/2860-27-0x000000006F840000-0x000000006FDEB000-memory.dmp

        memory/2860-26-0x000000006F840000-0x000000006FDEB000-memory.dmp

        memory/3036-6-0x0000000000400000-0x0000000000442000-memory.dmp

        memory/3036-22-0x00000000746C0000-0x0000000074DAE000-memory.dmp

        memory/3036-20-0x0000000000400000-0x0000000000442000-memory.dmp

        memory/3036-23-0x00000000006D0000-0x0000000000710000-memory.dmp

        memory/3036-18-0x0000000000400000-0x0000000000442000-memory.dmp

        memory/3036-16-0x0000000000400000-0x0000000000442000-memory.dmp

        memory/3036-14-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

        memory/3036-12-0x0000000000400000-0x0000000000442000-memory.dmp

        memory/3036-10-0x0000000000400000-0x0000000000442000-memory.dmp

        memory/3036-8-0x0000000000400000-0x0000000000442000-memory.dmp

        memory/3036-33-0x00000000746C0000-0x0000000074DAE000-memory.dmp

        memory/3036-34-0x00000000006D0000-0x0000000000710000-memory.dmp