General

  • Target

    06de5d7a4d6459a95b3027489fb6c169_JaffaCakes118

  • Size

    398KB

  • Sample

    240328-qvnleafd3y

  • MD5

    06de5d7a4d6459a95b3027489fb6c169

  • SHA1

    462fbadc94dd49cd20b6b58c34dffaa3d13d49c4

  • SHA256

    726efd10333dd1cbd4c65e94122f9e05e3d9ccf0ff1caed8ddb421f37689283c

  • SHA512

    09c8954123fb7ed3064ffd9505c11857a406b1451b466100e9b64b5e486b52622f193e2b1587c7cf419fce2185a39fde046602e4fbe71410e9ae85c10d5cb221

  • SSDEEP

    12288:IoUKKKEJEePudkcC/OGPQ7f1INHRQEQna:TJKnJxPuqT/GIRFQn

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    us2.smtp.mailhostbox.com
  • Port:
    587
  • Username:
    m-konieczny@europecell.eu
  • Password:
    DuBoBaO1

Targets

    • Target

      06de5d7a4d6459a95b3027489fb6c169_JaffaCakes118

    • Size

      398KB

    • MD5

      06de5d7a4d6459a95b3027489fb6c169

    • SHA1

      462fbadc94dd49cd20b6b58c34dffaa3d13d49c4

    • SHA256

      726efd10333dd1cbd4c65e94122f9e05e3d9ccf0ff1caed8ddb421f37689283c

    • SHA512

      09c8954123fb7ed3064ffd9505c11857a406b1451b466100e9b64b5e486b52622f193e2b1587c7cf419fce2185a39fde046602e4fbe71410e9ae85c10d5cb221

    • SSDEEP

      12288:IoUKKKEJEePudkcC/OGPQ7f1INHRQEQna:TJKnJxPuqT/GIRFQn

    • 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