Analysis

  • max time kernel
    125s
  • max time network
    128s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19-09-2024 13:31

General

  • Target

    34e8ac3bd8264bf5915c4bdbd7317bd369a1c60548f3bf18ddb12f0780593208.exe

  • Size

    1.1MB

  • MD5

    b9af76d896e7492a84a0d48266ce4608

  • SHA1

    bcf5fcc8b4fc7c0e9460a180bc00069aeb9d0c28

  • SHA256

    34e8ac3bd8264bf5915c4bdbd7317bd369a1c60548f3bf18ddb12f0780593208

  • SHA512

    379643be6d172987fe86e65ac46c814d0cdceebbf906ef5e804669fd5e33ce33a115e233993adefaac4be9adcd3b895da817d52a206867dfed09178351778124

  • SSDEEP

    24576:LRmJkcoQricOIQxiZY1WNy6mpSQLAZrPuujMH:IJZoQrbTFZY1WNy9pfluoH

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    ftp
  • Host:
    ftp://ftp.elquijotebanquetes.com
  • Port:
    21
  • Username:
    [email protected]
  • Password:
    -GN,s*KH{VEhPmo)+f

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.

  • AutoIT Executable 2 IoCs

    AutoIT scripts compiled to PE executables.

  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 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 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\34e8ac3bd8264bf5915c4bdbd7317bd369a1c60548f3bf18ddb12f0780593208.exe
    "C:\Users\Admin\AppData\Local\Temp\34e8ac3bd8264bf5915c4bdbd7317bd369a1c60548f3bf18ddb12f0780593208.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of WriteProcessMemory
    PID:1720
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
      "C:\Users\Admin\AppData\Local\Temp\34e8ac3bd8264bf5915c4bdbd7317bd369a1c60548f3bf18ddb12f0780593208.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4900
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1720 -s 716
      2⤵
      • Program crash
      PID:3952
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 1720 -ip 1720
    1⤵
      PID:2148
    • 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=4448,i,1330210614411927383,9239043499051775691,262144 --variations-seed-version --mojo-platform-channel-handle=4360 /prefetch:8
      1⤵
        PID:3256

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/1720-0-0x0000000000400000-0x00000000004B5000-memory.dmp

        Filesize

        724KB

      • memory/1720-3-0x0000000004350000-0x0000000004750000-memory.dmp

        Filesize

        4.0MB

      • memory/4900-4-0x0000000000400000-0x0000000000442000-memory.dmp

        Filesize

        264KB

      • memory/4900-5-0x0000000073E4E000-0x0000000073E4F000-memory.dmp

        Filesize

        4KB

      • memory/4900-6-0x0000000005BE0000-0x0000000006184000-memory.dmp

        Filesize

        5.6MB

      • memory/4900-7-0x00000000056A0000-0x0000000005706000-memory.dmp

        Filesize

        408KB

      • memory/4900-8-0x0000000073E40000-0x00000000745F0000-memory.dmp

        Filesize

        7.7MB

      • memory/4900-9-0x0000000006950000-0x00000000069A0000-memory.dmp

        Filesize

        320KB

      • memory/4900-10-0x0000000006A40000-0x0000000006AD2000-memory.dmp

        Filesize

        584KB

      • memory/4900-11-0x00000000069D0000-0x00000000069DA000-memory.dmp

        Filesize

        40KB

      • memory/4900-12-0x0000000073E4E000-0x0000000073E4F000-memory.dmp

        Filesize

        4KB

      • memory/4900-13-0x0000000073E40000-0x00000000745F0000-memory.dmp

        Filesize

        7.7MB