Overview

overview

10

Static

static

3

1441eb1b54...18.exe

windows7-x64

9

1441eb1b54...18.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    1441eb1b54bf2dc77a0be68dc7bf2b87_JaffaCakes118

  • Size

    506KB

  • Sample

    240329-a5tmeadf69

  • MD5

    1441eb1b54bf2dc77a0be68dc7bf2b87

  • SHA1

    1a126f210f188a0ea430032e94b6519a8cb0b371

  • SHA256

    8592a75731939c269efe81928582788e5176175b780a74f6016d6d593396d022

  • SHA512

    f95c907a0f6e30d58fe96579cbc83b5bed5bbbcc5e239ae9d9be13f4ff84fad621a1a062c4855d7a992abae18a280f9662037dc38d289ec02cc3567f72ac44c6

  • SSDEEP

    12288:d1IJ1aWv4YdU6ohs/3nxSA3XpNFkkAPvIFQ/esiuiSojiL8:gJ1ajH62Q3nxBpNXkIA

Score
10/10
agentteslaevasionkeyloggerpersistencespywarestealertrojan

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:     smtp
  • Host:
    mail.westviewcargos.com
  • Port:
    587
  • Username:
    fb@westviewcargos.com
  • Password:
    Choice@@@12345

Targets

    • Target

      1441eb1b54bf2dc77a0be68dc7bf2b87_JaffaCakes118

    • Size

      506KB

    • MD5

      1441eb1b54bf2dc77a0be68dc7bf2b87

    • SHA1

      1a126f210f188a0ea430032e94b6519a8cb0b371

    • SHA256

      8592a75731939c269efe81928582788e5176175b780a74f6016d6d593396d022

    • SHA512

      f95c907a0f6e30d58fe96579cbc83b5bed5bbbcc5e239ae9d9be13f4ff84fad621a1a062c4855d7a992abae18a280f9662037dc38d289ec02cc3567f72ac44c6

    • SSDEEP

      12288:d1IJ1aWv4YdU6ohs/3nxSA3XpNFkkAPvIFQ/esiuiSojiL8:gJ1ajH62Q3nxBpNXkIA

    Score
    10/10
    evasionagentteslakeyloggerpersistencespywarestealertrojan

    • AgentTesla

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

      keyloggertrojanstealerspywareagenttesla

    • AgentTesla payload

    • Looks for VirtualBox Guest Additions in registry

      evasion

    • Looks for VMWare Tools registry key

      evasion

    • Checks BIOS information in registry

      BIOS information is often read in order to detect sandboxing environments.

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Adds Run key to start application

      persistence

    • Maps connected drives based on registry

      Disk information is often read in order to detect sandboxing environments.

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Scheduled Task/Job

1
T1053

Persistence

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Scheduled Task/Job

1
T1053

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Scheduled Task/Job

1
T1053

Defense Evasion

Virtualization/Sandbox Evasion

2
T1497

Modify Registry

1
T1112

Credential Access

Discovery

Query Registry

5
T1012

Virtualization/Sandbox Evasion

2
T1497

System Information Discovery

4
T1082

Peripheral Device Discovery

1
T1120

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Tasks