General

  • Target

    d4d10b33131c659ac8c99c0522ec797ab83a6a5b4d6c6d9c13d659d2a08ad12f

  • Size

    379KB

  • Sample

    220520-2v2c2sbagj

  • MD5

    6551dee28892cf419f5aa5b2c6991594

  • SHA1

    4dd63663c4f22cb42649250f901630da8a95b566

  • SHA256

    d4d10b33131c659ac8c99c0522ec797ab83a6a5b4d6c6d9c13d659d2a08ad12f

  • SHA512

    b1768885bd86679c20a1a5fe872730062ac6cd5cd0de3521a308337d7f7abf8d0fa4eafd6dfe58657c5fc30a03325aab35de6691a33555c88d2fe83ca7c12e2f

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.yandex.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    Mold4lord231

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.yandex.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    Mold4lord231

Targets

    • Target

      yevIa4Z99KSppE9.exe

    • Size

      423KB

    • MD5

      aa7bc1c91e5d0436578c580662fc3253

    • SHA1

      76d62a638598aaf315030c3f8c21afff1b0a6cb1

    • SHA256

      a9a90e322d043cf6430fb070d2cf81ea38b36b174add5b06c3d8691c6c605949

    • SHA512

      f854405a1a22d1e7d6ada376efc5550706d29239855c97b98d6696e04f85fb14d6fd732b9339e7c5c52ffe0b282111ee2669b7606ec75cf4b843fae9ca1b85d0

    • 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