Analysis

  • max time kernel
    93s
  • max time network
    95s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    16-09-2024 01:30

General

  • Target

    xzz.exe

  • Size

    100.0MB

  • MD5

    fc8c06af4f5f9bc5cf9f3eb94ad7503a

  • SHA1

    de76ed01727013819f9ab3e311dab321c2f691e7

  • SHA256

    731c4c81c6b56754610fbabeae9663c0586a5e435f9e12b8225af91be630c3a7

  • SHA512

    c711f589f11c178fa6ff8afe196eb527113e75e36b9ff752dcf8d5447b940d762fdf9d79880d148fa2e4a44a6c78fc94616dffc2fddfeeb3fc5e5b4e9c1f0d10

  • SSDEEP

    24576:D4lavt0LkLL9IMixoEgeaFNNLSh8ZFA/qoMTBu0Mq9MmCS:Wkwkn9IMHeaF2WZ6gA9aPCS

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
  • 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 1 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\xzz.exe
    "C:\Users\Admin\AppData\Local\Temp\xzz.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:1052
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
      "C:\Users\Admin\AppData\Local\Temp\xzz.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3292

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1052-5-0x0000000001C80000-0x0000000001C84000-memory.dmp

    Filesize

    16KB

  • memory/3292-6-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/3292-7-0x0000000074B7E000-0x0000000074B7F000-memory.dmp

    Filesize

    4KB

  • memory/3292-8-0x0000000005530000-0x0000000005AD4000-memory.dmp

    Filesize

    5.6MB

  • memory/3292-9-0x0000000004EA0000-0x0000000004F06000-memory.dmp

    Filesize

    408KB

  • memory/3292-10-0x0000000074B70000-0x0000000075320000-memory.dmp

    Filesize

    7.7MB

  • memory/3292-11-0x00000000062D0000-0x0000000006320000-memory.dmp

    Filesize

    320KB

  • memory/3292-12-0x00000000063C0000-0x0000000006452000-memory.dmp

    Filesize

    584KB

  • memory/3292-13-0x0000000006350000-0x000000000635A000-memory.dmp

    Filesize

    40KB

  • memory/3292-14-0x0000000074B7E000-0x0000000074B7F000-memory.dmp

    Filesize

    4KB

  • memory/3292-15-0x0000000074B70000-0x0000000075320000-memory.dmp

    Filesize

    7.7MB