General

  • Target

    fb615d2823f07d4fa6a558f7a85c1f09b6705deec594d3e1335d14b3e5193f11

  • Size

    503KB

  • Sample

    220521-nycbfaecf7

  • MD5

    382d52f28ccb53739d8b415fbbd5c1f1

  • SHA1

    30c1c0dbc1bf396a608c01c9cf0e7e24db5a8ff6

  • SHA256

    fb615d2823f07d4fa6a558f7a85c1f09b6705deec594d3e1335d14b3e5193f11

  • SHA512

    ac38db5f1ed4f3fc21b4b985e26f5034cbc57704455edf1da2d1726822a5755ba727ab4174c8d75373f1e2d36a68a684431c7f5dfe2d58d397c4665f2de46e04

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    server122.web-hosting.com
  • Port:
    587
  • Username:
    milli@cdperenco.com
  • Password:
    _20_}*sehLA-

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    server122.web-hosting.com
  • Port:
    587
  • Username:
    milli@cdperenco.com
  • Password:
    _20_}*sehLA-

Targets

    • Target

      Invoices No.00004-00005.exe

    • Size

      722KB

    • MD5

      8da25b951c498b507f732d0fdfd09a15

    • SHA1

      87059509d7c01c614dec8a3d3753e2586afdeb72

    • SHA256

      db8c0d21cf315034515bd28e49435e6cde73954c992c3a5528417019e9b25526

    • SHA512

      65ab7ee60ed3d6bb7e3f39af0df0d841a341146505cc3c02933d645adcdc223c399b31867beda65c002d47e1533fedc1e91b480345e91f3b4cfe6603f69b549d

    • 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

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Execution

Scheduled Task

1
T1053

Persistence

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

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