General

  • Target

    11052389d3f9431d879eed5b171769b8_JaffaCakes118

  • Size

    701KB

  • Sample

    240328-1q1ehsac28

  • MD5

    11052389d3f9431d879eed5b171769b8

  • SHA1

    014dc09296ddca08b8dea0bbda9a19b162e17f87

  • SHA256

    f7f953c1fe2a993d404b4dbd1356f8cf4017c265ea9dafa60f8beeaff0c0588a

  • SHA512

    744a6864123250630a197dde5da54e662d49eb6a3d3ae8c7a853f8e6e369ba27fa76dddb3848440e35c55f375663b2279afbe5cb2b51fc4760407cb9b3aa5b49

  • SSDEEP

    12288:5GIZMqRSQdMkuvMNptn0U4lQAvUE+uPFwXuPLxQouMbXe2BaBjguiqJFTPe:5GIZrJvaC+QutQIDngmuiqi

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.aldhiyafainteriors.com
  • Port:
    587
  • Username:
    rahman@aldhiyafainteriors.com
  • Password:
    dhiyafa@987

Targets

    • Target

      11052389d3f9431d879eed5b171769b8_JaffaCakes118

    • Size

      701KB

    • MD5

      11052389d3f9431d879eed5b171769b8

    • SHA1

      014dc09296ddca08b8dea0bbda9a19b162e17f87

    • SHA256

      f7f953c1fe2a993d404b4dbd1356f8cf4017c265ea9dafa60f8beeaff0c0588a

    • SHA512

      744a6864123250630a197dde5da54e662d49eb6a3d3ae8c7a853f8e6e369ba27fa76dddb3848440e35c55f375663b2279afbe5cb2b51fc4760407cb9b3aa5b49

    • SSDEEP

      12288:5GIZMqRSQdMkuvMNptn0U4lQAvUE+uPFwXuPLxQouMbXe2BaBjguiqJFTPe:5GIZrJvaC+QutQIDngmuiqi

    • AgentTesla

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

    • AgentTesla payload

    • Drops file in Drivers directory

    • Checks computer location settings

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

    • Reads WinSCP keys stored on the system

      Tries to access WinSCP stored sessions.

    • 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 v13

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

Modify Registry

1
T1112

Credential Access

Unsecured Credentials

4
T1552

Credentials In Files

3
T1552.001

Credentials in Registry

1
T1552.002

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Collection

Data from Local System

4
T1005

Email Collection

1
T1114

Tasks