General

  • Target

    192d67b731c7d2370090756d8dcb4bbb_JaffaCakes118

  • Size

    572KB

  • Sample

    240329-fq99haad3y

  • MD5

    192d67b731c7d2370090756d8dcb4bbb

  • SHA1

    9e97c8eef2825c76ea08e8e1aa688a986f9956b7

  • SHA256

    3271a56a5c379b0847b0217c9dc4818fbdbc0be5cc344a02fed9c0a3f138fad6

  • SHA512

    0cf50bf69fb58cdcc5d5d4d04a19bfaaa876c01a5eb1257cc3fbfd3b345518f30e276142fa6f09fc5c2955720467dba7d290d30b7e29954396b38529e57eadaa

  • SSDEEP

    12288:hYMELML0BdWp2qKa+mqvu8FjYIPFIc5ySB:yVML0rWprXmu8WIPFzB

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.vivaldi.net
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    Davidchukwuka2016

Targets

    • Target

      192d67b731c7d2370090756d8dcb4bbb_JaffaCakes118

    • Size

      572KB

    • MD5

      192d67b731c7d2370090756d8dcb4bbb

    • SHA1

      9e97c8eef2825c76ea08e8e1aa688a986f9956b7

    • SHA256

      3271a56a5c379b0847b0217c9dc4818fbdbc0be5cc344a02fed9c0a3f138fad6

    • SHA512

      0cf50bf69fb58cdcc5d5d4d04a19bfaaa876c01a5eb1257cc3fbfd3b345518f30e276142fa6f09fc5c2955720467dba7d290d30b7e29954396b38529e57eadaa

    • SSDEEP

      12288:hYMELML0BdWp2qKa+mqvu8FjYIPFIc5ySB:yVML0rWprXmu8WIPFzB

    • 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 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

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v13

Execution

Scheduled Task/Job

1
T1053

Persistence

Scheduled Task/Job

1
T1053

Privilege Escalation

Scheduled Task/Job

1
T1053

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