Analysis

  • max time kernel
    126s
  • max time network
    127s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    04-09-2024 11:00

General

  • Target

    raplicaçãodecotação.exe

  • Size

    1.1MB

  • MD5

    eb5ba52c5fbc1efa1d7e3c7d9364654e

  • SHA1

    fa088e270c9df961788001611785051280fbd09c

  • SHA256

    a419ccaf4f503aca90a05b8e2bb16f85e691c36d5fd4847be5d48db9cb5641f4

  • SHA512

    2facede2a967280d728111190ce0d4c3ea6cc20cb0e4079368976c98bb673807242c52a44261fd3164a35f5f19acf16c2e98fdceb18112b07f986243d435dbe4

  • SSDEEP

    24576:YqDEvCTbMWu7rQYlBQcBiT6rprG8autKPcz5nMzzZ:YTvC/MTQYxsWR7autz

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    ftp
  • Host:
    ftp://ftp.solucionesmexico.mx
  • Port:
    21
  • Username:
    [email protected]
  • Password:
    dGG^ZYIxX5!B

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 1 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 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 FindShellTrayWindow 2 IoCs
  • Suspicious use of SendNotifyMessage 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\raplicaçãodecotação.exe
    "C:\Users\Admin\AppData\Local\Temp\raplicaçãodecotação.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:4500
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
      "C:\Users\Admin\AppData\Local\Temp\raplicaçãodecotação.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1692
  • 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=4048,i,10597648459838880772,16562651767759956329,262144 --variations-seed-version --mojo-platform-channel-handle=4468 /prefetch:8
    1⤵
      PID:1184

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1692-12-0x0000000000780000-0x00000000007C2000-memory.dmp

      Filesize

      264KB

    • memory/1692-13-0x000000007367E000-0x000000007367F000-memory.dmp

      Filesize

      4KB

    • memory/1692-14-0x0000000005660000-0x0000000005C04000-memory.dmp

      Filesize

      5.6MB

    • memory/1692-15-0x0000000004F20000-0x0000000004F86000-memory.dmp

      Filesize

      408KB

    • memory/1692-16-0x0000000073670000-0x0000000073E20000-memory.dmp

      Filesize

      7.7MB

    • memory/1692-17-0x0000000006340000-0x0000000006390000-memory.dmp

      Filesize

      320KB

    • memory/1692-18-0x0000000006430000-0x00000000064C2000-memory.dmp

      Filesize

      584KB

    • memory/1692-19-0x00000000063C0000-0x00000000063CA000-memory.dmp

      Filesize

      40KB

    • memory/1692-20-0x000000007367E000-0x000000007367F000-memory.dmp

      Filesize

      4KB

    • memory/1692-21-0x0000000073670000-0x0000000073E20000-memory.dmp

      Filesize

      7.7MB

    • memory/4500-11-0x0000000001220000-0x0000000001224000-memory.dmp

      Filesize

      16KB