Analysis

  • max time kernel
    133s
  • max time network
    135s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    20-09-2024 19:57

General

  • Target

    MVALIADOSREQ1900064.exe

  • Size

    1.1MB

  • MD5

    d0cad8abc1084efccf82cbe747104c3f

  • SHA1

    fb30f4cb31782c78d24b55071c618070b84c4b4e

  • SHA256

    a17cae5463618c9758dd98802353f8172e343dcad936a44c5f1d1fe5ff7813f6

  • SHA512

    1633f369d0a94f7000403ff7762087923b34fd3292fc27ed3f153aa590fdb29e92eb2429890c9b959625ee7c8e328d95886802225492b1c6e1849e04cceb9eeb

  • SSDEEP

    24576:uRmJkcoQricOIQxiZY1iaCamxvrmQbae7IkAKZt62:7JZoQrbTFZY1iaCamFiQJ7wK

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.

  • 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
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 2 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 behavior: MapViewOfSection 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\MVALIADOSREQ1900064.exe
    "C:\Users\Admin\AppData\Local\Temp\MVALIADOSREQ1900064.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of WriteProcessMemory
    PID:2940
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
      "C:\Users\Admin\AppData\Local\Temp\MVALIADOSREQ1900064.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4572
  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=4380,i,2904906934812054273,11716976550456127484,262144 --variations-seed-version --mojo-platform-channel-handle=4128 /prefetch:8
    1⤵
      PID:1540

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/2940-2-0x0000000003C70000-0x0000000003E70000-memory.dmp

      Filesize

      2.0MB

    • memory/4572-3-0x0000000000140000-0x0000000000180000-memory.dmp

      Filesize

      256KB

    • memory/4572-4-0x00000000742CE000-0x00000000742CF000-memory.dmp

      Filesize

      4KB

    • memory/4572-5-0x0000000005030000-0x00000000055D4000-memory.dmp

      Filesize

      5.6MB

    • memory/4572-6-0x0000000004AF0000-0x0000000004B56000-memory.dmp

      Filesize

      408KB

    • memory/4572-7-0x00000000742C0000-0x0000000074A70000-memory.dmp

      Filesize

      7.7MB

    • memory/4572-8-0x0000000006000000-0x0000000006050000-memory.dmp

      Filesize

      320KB

    • memory/4572-9-0x00000000060F0000-0x0000000006182000-memory.dmp

      Filesize

      584KB

    • memory/4572-10-0x0000000006070000-0x000000000607A000-memory.dmp

      Filesize

      40KB

    • memory/4572-11-0x00000000742CE000-0x00000000742CF000-memory.dmp

      Filesize

      4KB

    • memory/4572-12-0x00000000742C0000-0x0000000074A70000-memory.dmp

      Filesize

      7.7MB