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Analysis

  • max time kernel
    120s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20231129-en
  • resource tags

    arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
  • submitted
    26/01/2024, 16:01

General

  • Target

    rPO-4500628950_pdf.exe

  • Size

    1.2MB

  • MD5

    a7349364523f7f3637a6665497532953

  • SHA1

    8912b64beaa943700b80b20da8cc62e11edb0ba2

  • SHA256

    e5b2ac7f9314971e967c9c606b75dfb9766442b1dac9b9bd5fb7f5c848d5ff6b

  • SHA512

    5b6b1c042281e39acdaaeeabe2b1dc6e86e445341a3cec126665d4ee2e8fc3612daaf85c2ebde09814ef3aa5417ad6b1e8c43a6f1fb8bded4dbc84548395ad6d

  • SSDEEP

    24576:AAHnh+eWsN3skA4RV1Hom2KXMmHaJJHk0WmknMlg+vu5:3h+ZkldoPK8YaJJHnWWgt

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    ftp
  • Host:
    ftp://ftp.elquijotebanquetes.com
  • Port:
    21
  • Username:
    [email protected]
  • Password:
    kFxADjwNBm$_

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
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\rPO-4500628950_pdf.exe
    "C:\Users\Admin\AppData\Local\Temp\rPO-4500628950_pdf.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of WriteProcessMemory
    PID:1680
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
      "C:\Users\Admin\AppData\Local\Temp\rPO-4500628950_pdf.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1748

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • memory/1680-10-0x0000000000250000-0x0000000000254000-memory.dmp

    Filesize

    16KB

  • memory/1748-11-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/1748-13-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/1748-15-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/1748-16-0x0000000073D20000-0x000000007440E000-memory.dmp

    Filesize

    6.9MB

  • memory/1748-17-0x0000000004890000-0x00000000048D0000-memory.dmp

    Filesize

    256KB

  • memory/1748-18-0x0000000073D20000-0x000000007440E000-memory.dmp

    Filesize

    6.9MB

  • memory/1748-19-0x0000000004890000-0x00000000048D0000-memory.dmp

    Filesize

    256KB