Analysis

  • max time kernel
    93s
  • max time network
    103s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22-09-2024 05:26

General

  • Target

    Aviso de cuenta vencida de DHL - 1606622076_865764325678976645423546567678967564423567890008765.exe

  • Size

    801KB

  • MD5

    f7407d909a701a85f0aec9c898ebed35

  • SHA1

    19fb4fbbc9e1f1e279b9f046e0667287cef40951

  • SHA256

    86c0e8c71fe53ff1ee1ac2a494c208392b9f4128f85552e69105e8fa19724f63

  • SHA512

    3d6b55c42e8309a059a923560ef7838c13385c4680c467669b9900dce55fd31827aa0490964649768b80f891ab4e6e26f45a4455ff92d64cbf8d9fe065a9fd91

  • SSDEEP

    12288:v6Wq4aaE6KwyF5L0Y2D1PqLRpZnECRwtmO64RPFG3lAr9T7IrqmK+2tZb1XswHTt:tthEVaPqL1l/O641F5TYKlZpXRTBDyO9

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.

  • UPX packed file 2 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • 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 1 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).

  • 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 WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Aviso de cuenta vencida de DHL - 1606622076_865764325678976645423546567678967564423567890008765.exe
    "C:\Users\Admin\AppData\Local\Temp\Aviso de cuenta vencida de DHL - 1606622076_865764325678976645423546567678967564423567890008765.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of WriteProcessMemory
    PID:3680
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
      "C:\Users\Admin\AppData\Local\Temp\Aviso de cuenta vencida de DHL - 1606622076_865764325678976645423546567678967564423567890008765.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3244

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/3244-12-0x0000000005E70000-0x0000000005F02000-memory.dmp

    Filesize

    584KB

  • memory/3244-4-0x0000000000140000-0x0000000000182000-memory.dmp

    Filesize

    264KB

  • memory/3244-7-0x0000000074ECE000-0x0000000074ECF000-memory.dmp

    Filesize

    4KB

  • memory/3244-8-0x00000000050A0000-0x0000000005644000-memory.dmp

    Filesize

    5.6MB

  • memory/3244-9-0x0000000004BF0000-0x0000000004C56000-memory.dmp

    Filesize

    408KB

  • memory/3244-10-0x0000000074EC0000-0x0000000075670000-memory.dmp

    Filesize

    7.7MB

  • memory/3244-11-0x0000000005D80000-0x0000000005DD0000-memory.dmp

    Filesize

    320KB

  • memory/3244-13-0x0000000005E00000-0x0000000005E0A000-memory.dmp

    Filesize

    40KB

  • memory/3244-14-0x0000000074ECE000-0x0000000074ECF000-memory.dmp

    Filesize

    4KB

  • memory/3244-15-0x0000000074EC0000-0x0000000075670000-memory.dmp

    Filesize

    7.7MB

  • memory/3680-3-0x0000000004130000-0x0000000004330000-memory.dmp

    Filesize

    2.0MB

  • memory/3680-6-0x0000000000400000-0x00000000004C2000-memory.dmp

    Filesize

    776KB

  • memory/3680-0-0x0000000000400000-0x00000000004C2000-memory.dmp

    Filesize

    776KB