General

  • Target

    8ba1f310fe9c3ae5d4e1412cc70031b4ef55eea7c4f515eca2b0d3c395028d32

  • Size

    420KB

  • Sample

    220521-af7sqsdafq

  • MD5

    d56f90f0a6a1ceddc27b32e4cb6878fe

  • SHA1

    8fd2b0373d3f3829ad26838f6e57b885c218edf9

  • SHA256

    8ba1f310fe9c3ae5d4e1412cc70031b4ef55eea7c4f515eca2b0d3c395028d32

  • SHA512

    bc0a6d2a61614d087179c26aba267b235ca61e5faf84b736e619896aa07b3cce564cd52179b67ae3f65410a22130fd72df8442609ce60f2446f1a7049facca79

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.bnb-spa.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    }iPxp@l#21aE

Targets

    • Target

      anoop-image.exe

    • Size

      598KB

    • MD5

      907335631a07cdae792c84ff08f3273f

    • SHA1

      c90037ff8ad31fe971f5d6574d0b0ae5259e0b47

    • SHA256

      280b04a1401485ae0e877e20aa801c9e6e8288e82f107dfcd0f97e168f8e63ec

    • SHA512

      7ee4b47e90237a8087475e58d25768b8b32904a7622deec09abc2a6ac95fbd48925a8bf81a2f6fac44f863eac99d7510e6df595098bd7e98902d8db8822daa91

    • AgentTesla

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

    • AgentTesla Payload

    • Checks computer location settings

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

    • Reads data files stored by FTP clients

      Tries to access configuration files associated with programs like FileZilla.

    • Reads user/profile data of local email clients

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

    • Reads user/profile data of web browsers

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

    • Accesses Microsoft Outlook profiles

    • Adds Run key to start application

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Execution

Scheduled Task

1
T1053

Persistence

Registry Run Keys / Startup Folder

1
T1060

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Defense Evasion

Modify Registry

1
T1112

Credential Access

Credentials in Files

3
T1081

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Collection

Data from Local System

3
T1005

Email Collection

1
T1114

Tasks