Overview

overview

10

Static

static

10

lbW2raPRAYI9cLe.exe

windows7_x64

10

lbW2raPRAYI9cLe.exe

windows10_x64

10

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General

  • Target

    lbW2raPRAYI9cLe.exe

  • Size

    530KB

  • Sample

    201109-5cmye3djns

  • MD5

    1a905d2e69d78f7c9193ac7fd18fa2ec

  • SHA1

    cd69ae40f7967f7c025974db74f6c709c6eacdc7

  • SHA256

    a4a5d42b2ea9f98c93d25d7762da6f28bd90c6f4b1ec75311b6bca3d4d4bdeef

  • SHA512

    0bbc0972bc5a7600e19109d50e67d6f2d1d09f7d636f6d7636508dc68fb19dc2062addb0570714a911f1142918c2c7355ac97632e3416396db0059b0c5e61243

Score
10/10
agentteslasnakebotcoreentitykeyloggerpersistencerezer0snakebotspywarestealertrojan

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:     smtp
  • Host:
    smtp.lettu.us
  • Port:
    587
  • Username:
    hr@lettu.us
  • Password:
    ilovejesus2020@

Extracted

Credentials

  • Protocol:     smtp
  • Host:
    smtp.lettu.us
  • Port:
    587
  • Username:
    hr@lettu.us
  • Password:
    ilovejesus2020@

Targets

    • Target

      lbW2raPRAYI9cLe.exe

    • Size

      530KB

    • MD5

      1a905d2e69d78f7c9193ac7fd18fa2ec

    • SHA1

      cd69ae40f7967f7c025974db74f6c709c6eacdc7

    • SHA256

      a4a5d42b2ea9f98c93d25d7762da6f28bd90c6f4b1ec75311b6bca3d4d4bdeef

    • SHA512

      0bbc0972bc5a7600e19109d50e67d6f2d1d09f7d636f6d7636508dc68fb19dc2062addb0570714a911f1142918c2c7355ac97632e3416396db0059b0c5e61243

    Score
    10/10
    agentteslacoreentitykeyloggerpersistencerezer0spywarestealertrojan

    • AgentTesla

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

      keyloggertrojanstealerspywareagenttesla

    • CoreEntity .NET Packer

      A .NET packer called CoreEntity where it has embedded the payload as a BitMap object which is later decrypted.

      coreentity

    • AgentTesla Payload

    • rezer0

      Detects ReZer0, a packer with multiple versions used in various campaigns.

      rezer0

    • Reads data files stored by FTP clients

      Tries to access configuration files associated with programs like FileZilla.

      spyware

    • Reads user/profile data of local email clients

      Email clients store some user data on disk where infostealers will often target it.

      spyware

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

      spyware

    • Adds Run key to start application

      persistence

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1
T1060

Privilege Escalation

Defense Evasion

Modify Registry

1
T1112

Credential Access

Credentials in Files

3
T1081

Discovery

Lateral Movement

Collection

Data from Local System

3
T1005

Exfiltration

Command and Control

Impact

Tasks