Analysis

  • max time kernel
    150s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-es
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-eslocale:es-esos:windows10-2004-x64systemwindows
  • submitted
    03/04/2024, 11:08

General

  • Target

    FACTURA.exe

  • Size

    1.1MB

  • MD5

    ac0e9865c24a0678d2cee67a7e91ab80

  • SHA1

    1523c2eced8c66d9996b714db621309f93617a51

  • SHA256

    6102e8a27367b379714554fc2034d631e6f0eb83b465ecb0263171c3a397b51a

  • SHA512

    b72c5e8fcfac228f23f5b978a366be8e89aaf08892bbc2b745dafcea5d05101d734a655a745340e27bdf30b0939c1c938ff5f441709b64c1447c45bc145cb7d8

  • SSDEEP

    24576:1qDEvCTbMWu7rQYlBQcBiT6rprG8ajRCwb1VbtyBhKEA2Z:1TvC/MTQYxsWR7ajQwb3btkhhb

Malware Config

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • 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
  • 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\FACTURA.exe
    "C:\Users\Admin\AppData\Local\Temp\FACTURA.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:5108
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
      "C:\Users\Admin\AppData\Local\Temp\FACTURA.exe"
      2⤵
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:852

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/852-11-0x0000000000570000-0x00000000005B2000-memory.dmp

          Filesize

          264KB

        • memory/852-12-0x0000000073C30000-0x00000000743E0000-memory.dmp

          Filesize

          7.7MB

        • memory/852-13-0x0000000005320000-0x00000000058C4000-memory.dmp

          Filesize

          5.6MB

        • memory/852-14-0x0000000004D60000-0x0000000004D70000-memory.dmp

          Filesize

          64KB

        • memory/852-15-0x0000000004D70000-0x0000000004DD6000-memory.dmp

          Filesize

          408KB

        • memory/852-16-0x0000000006040000-0x00000000060D2000-memory.dmp

          Filesize

          584KB

        • memory/852-18-0x00000000061F0000-0x00000000062F2000-memory.dmp

          Filesize

          1.0MB

        • memory/852-19-0x00000000060E0000-0x0000000006130000-memory.dmp

          Filesize

          320KB

        • memory/852-20-0x0000000006140000-0x000000000614A000-memory.dmp

          Filesize

          40KB

        • memory/852-21-0x0000000073C30000-0x00000000743E0000-memory.dmp

          Filesize

          7.7MB

        • memory/852-22-0x0000000004D60000-0x0000000004D70000-memory.dmp

          Filesize

          64KB

        • memory/5108-10-0x0000000001740000-0x0000000001744000-memory.dmp

          Filesize

          16KB