Analysis

  • max time kernel
    93s
  • max time network
    204s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03-10-2024 14:47

General

  • Target

    Facturas comerciales 022024.exe

  • Size

    77.0MB

  • MD5

    f960fc5cc22d1f5814e1c81face5f7ec

  • SHA1

    6199e3fd09f57ac433b789a451150e7fc4127237

  • SHA256

    4088301bd65eae0fee42f3f12206b95c08b2e8763d91209a320b6d1d573a531d

  • SHA512

    83f5f95924ce3afe5add36ecc389ee75c4a1c89c8686d80dede34faafc6c69fa722b3e5e003762b554cbe50a0e88d3870386671ff0a52e905f2dd9ae410e5fe3

  • SSDEEP

    24576:ffmMv6Ckr7Mny5QLEq3+q5dK619jWU48CR:f3v+7/5QLEq3+UK+Q

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.flujoauditorias.cl
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    l;0jGu7J;z_a

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • 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 WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Facturas comerciales 022024.exe
    "C:\Users\Admin\AppData\Local\Temp\Facturas comerciales 022024.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of WriteProcessMemory
    PID:2312
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
      "C:\Users\Admin\AppData\Local\Temp\Facturas comerciales 022024.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1740

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1740-3-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/1740-4-0x0000000073F0E000-0x0000000073F0F000-memory.dmp

    Filesize

    4KB

  • memory/1740-5-0x0000000005E80000-0x0000000006424000-memory.dmp

    Filesize

    5.6MB

  • memory/1740-6-0x00000000059D0000-0x0000000005A36000-memory.dmp

    Filesize

    408KB

  • memory/1740-7-0x0000000073F00000-0x00000000746B0000-memory.dmp

    Filesize

    7.7MB

  • memory/1740-8-0x0000000006C90000-0x0000000006D22000-memory.dmp

    Filesize

    584KB

  • memory/1740-9-0x0000000006D30000-0x0000000006D80000-memory.dmp

    Filesize

    320KB

  • memory/1740-10-0x0000000006E20000-0x0000000006EBC000-memory.dmp

    Filesize

    624KB

  • memory/1740-11-0x0000000006E10000-0x0000000006E1A000-memory.dmp

    Filesize

    40KB

  • memory/1740-12-0x0000000073F0E000-0x0000000073F0F000-memory.dmp

    Filesize

    4KB

  • memory/1740-13-0x0000000073F00000-0x00000000746B0000-memory.dmp

    Filesize

    7.7MB

  • memory/2312-2-0x0000000004200000-0x0000000004400000-memory.dmp

    Filesize

    2.0MB