Analysis

  • max time kernel
    102s
  • max time network
    106s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    31/08/2024, 08:15

General

  • Target

    4fd3fcb1b88f7709f233bccd02d98ce0N.exe

  • Size

    1.0MB

  • MD5

    4fd3fcb1b88f7709f233bccd02d98ce0

  • SHA1

    4f3381b79ca956136527724ed359fd55aae982a8

  • SHA256

    54d8a9c0a8a4e49101f0215a386a8bdeb1095bd3abacf89487c9e41d115fe27c

  • SHA512

    0d0dc25fc69ef96307fdbe49705bfc318427df515162de9a0e42393a2642b15d66200582e0dde07b441a7beecd1e07576df0c5ffe76cdf025cec7b0e22956e2e

  • SSDEEP

    24576:5AHnh+eWsN3skA4RV1Hom2KXcmtcWBTaE9WHWivD5:Ah+ZkldoPKsacWFcN

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.

  • AutoIT Executable 1 IoCs

    AutoIT scripts compiled to PE executables.

  • Suspicious use of SetThreadContext 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 FindShellTrayWindow 2 IoCs
  • Suspicious use of SendNotifyMessage 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\4fd3fcb1b88f7709f233bccd02d98ce0N.exe
    "C:\Users\Admin\AppData\Local\Temp\4fd3fcb1b88f7709f233bccd02d98ce0N.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:3496
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
      "C:\Users\Admin\AppData\Local\Temp\4fd3fcb1b88f7709f233bccd02d98ce0N.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4168

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/3496-0-0x0000000000B30000-0x0000000000C39000-memory.dmp

    Filesize

    1.0MB

  • memory/3496-12-0x0000000003C30000-0x0000000003C34000-memory.dmp

    Filesize

    16KB

  • memory/4168-13-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/4168-14-0x0000000073B8E000-0x0000000073B8F000-memory.dmp

    Filesize

    4KB

  • memory/4168-15-0x0000000005410000-0x00000000059B4000-memory.dmp

    Filesize

    5.6MB

  • memory/4168-16-0x0000000004F60000-0x0000000004FC6000-memory.dmp

    Filesize

    408KB

  • memory/4168-17-0x0000000073B80000-0x0000000074330000-memory.dmp

    Filesize

    7.7MB

  • memory/4168-18-0x00000000061B0000-0x0000000006200000-memory.dmp

    Filesize

    320KB

  • memory/4168-19-0x00000000062A0000-0x0000000006332000-memory.dmp

    Filesize

    584KB

  • memory/4168-20-0x0000000006230000-0x000000000623A000-memory.dmp

    Filesize

    40KB

  • memory/4168-21-0x0000000073B8E000-0x0000000073B8F000-memory.dmp

    Filesize

    4KB

  • memory/4168-22-0x0000000073B80000-0x0000000074330000-memory.dmp

    Filesize

    7.7MB