Analysis

  • max time kernel
    129s
  • max time network
    124s
  • platform
    windows7_x64
  • resource
    win7v20201028
  • submitted
    08-04-2021 07:43

General

  • Target

    TRANSFERENCIA AL EXTERIOR U810295.exe

  • Size

    817KB

  • MD5

    4897cf8fbfbdb2b327e5fa7806e720ad

  • SHA1

    48898211f2a6ebf635f2c178b98e8c680ebda3ad

  • SHA256

    f6398abe67fd7faeccf89de7f810ee2767ee05f96a13821ba48f609aad5da75e

  • SHA512

    19d5b755da018374a6d7114d3471064bbb3f01f3a78cdc753bea456e906ddd1360a99aaffc24f57b9f7d641e8600498dbd1a8669aa9ab5bf25881f51f812e246

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.elernentsgrp.com
  • Port:
    587
  • Username:
    aurora@elernentsgrp.com
  • Password:
    %IHiBbV4

Signatures

  • AgentTesla

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

  • AgentTesla Payload 3 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\TRANSFERENCIA AL EXTERIOR U810295.exe
    "C:\Users\Admin\AppData\Local\Temp\TRANSFERENCIA AL EXTERIOR U810295.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2008
    • C:\Users\Admin\AppData\Local\Temp\TRANSFERENCIA AL EXTERIOR U810295.exe
      "C:\Users\Admin\AppData\Local\Temp\TRANSFERENCIA AL EXTERIOR U810295.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1492

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • memory/1492-11-0x00000000004374DE-mapping.dmp
  • memory/1492-10-0x0000000000400000-0x000000000043C000-memory.dmp
    Filesize

    240KB

  • memory/1492-12-0x0000000073AF0000-0x00000000741DE000-memory.dmp
    Filesize

    6.9MB

  • memory/1492-13-0x0000000000400000-0x000000000043C000-memory.dmp
    Filesize

    240KB

  • memory/1492-15-0x0000000004CD0000-0x0000000004CD1000-memory.dmp
    Filesize

    4KB

  • memory/2008-2-0x0000000073AF0000-0x00000000741DE000-memory.dmp
    Filesize

    6.9MB

  • memory/2008-3-0x0000000000290000-0x0000000000291000-memory.dmp
    Filesize

    4KB

  • memory/2008-5-0x0000000004C60000-0x0000000004C61000-memory.dmp
    Filesize

    4KB

  • memory/2008-6-0x0000000001E50000-0x0000000001E54000-memory.dmp
    Filesize

    16KB

  • memory/2008-7-0x000000007EF40000-0x000000007EF41000-memory.dmp
    Filesize

    4KB

  • memory/2008-8-0x00000000052B0000-0x0000000005363000-memory.dmp
    Filesize

    716KB

  • memory/2008-9-0x0000000004BD0000-0x0000000004C48000-memory.dmp
    Filesize

    480KB