Overview

overview

10

Static

static

vbc.exe

windows7-x64

10

vbc.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    vbc.exe

  • Size

    858KB

  • Sample

    221116-gz5k2shd86

  • MD5

    7fb9b2d5837ba9d8b7ea0ad5d75f4c7e

  • SHA1

    82964b5e19f148755650d2ed0acfa6c74b6b9c6e

  • SHA256

    d29075d85d60a21f86b7ac67c4dcf41ca46a96b208681b3f3486d07182ec620a

  • SHA512

    d0f7c55e2f3ea8b11e7f258afa8006719ad5476b5eb82d2e3278847ab4883186a88954cde38b6c8b4f63b383db16ba2dc2a61364fff3e31d02bbb240bd8ed777

  • SSDEEP

    12288:huhWHStbpxyNzXkoyhjDZbhqLY9c1IDf56F1KbMUhllldGl0u4:0UHXcnaYNj5qGPvjx

Score
10/10
agentteslacollectionkeyloggerpersistencespywarestealertrojan

Malware Config

Extracted

Credentials

  • Protocol:     smtp
  • Host:
    smtp.yandex.com
  • Port:
    587
  • Username:
    snakelogs@yandex.com
  • Password:
    tqzwrcdhriqzrjyb

Extracted

Family

agenttesla

Credentials

  • Protocol:     smtp
  • Host:
    smtp.yandex.com
  • Port:
    587
  • Username:
    snakelogs@yandex.com
  • Password:
    tqzwrcdhriqzrjyb

Targets

    • Target

      vbc.exe

    • Size

      858KB

    • MD5

      7fb9b2d5837ba9d8b7ea0ad5d75f4c7e

    • SHA1

      82964b5e19f148755650d2ed0acfa6c74b6b9c6e

    • SHA256

      d29075d85d60a21f86b7ac67c4dcf41ca46a96b208681b3f3486d07182ec620a

    • SHA512

      d0f7c55e2f3ea8b11e7f258afa8006719ad5476b5eb82d2e3278847ab4883186a88954cde38b6c8b4f63b383db16ba2dc2a61364fff3e31d02bbb240bd8ed777

    • SSDEEP

      12288:huhWHStbpxyNzXkoyhjDZbhqLY9c1IDf56F1KbMUhllldGl0u4:0UHXcnaYNj5qGPvjx

    Score
    10/10
    agentteslacollectionkeyloggerpersistencespywarestealertrojan

    • AgentTesla

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

      keyloggertrojanstealerspywareagenttesla

    • Uses the VBS compiler for execution

    • Accesses Microsoft Outlook profiles

      collection

    • Adds Run key to start application

      persistence

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scripting

1
T1064

Persistence

Registry Run Keys / Startup Folder

1
T1060

Privilege Escalation

Defense Evasion

Scripting

1
T1064

Modify Registry

1
T1112

Credential Access

Discovery

Lateral Movement

Collection

Email Collection

1
T1114

Exfiltration

Command and Control

Impact

Tasks