General

  • Target

    b03aac19f9b82760c6bfaae490f67806ae3ab405c78ff615d82aa9d2a1c69189

  • Size

    543KB

  • Sample

    220520-3zjjgahge5

  • MD5

    1ebb439d831441421a66ecf8f35042ed

  • SHA1

    379af4af3b6da1fe29ffc16c969134ff6ae079de

  • SHA256

    b03aac19f9b82760c6bfaae490f67806ae3ab405c78ff615d82aa9d2a1c69189

  • SHA512

    2577843d29834b3710f71684d03c1c03ff09a39196647638faf979765818c1316733bbe16973f07c475cb5caf37e92e58b370931b681459e6d80dc5d7140248b

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.pierreinsurancebrokers.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    advisor@1234

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.pierreinsurancebrokers.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    advisor@1234

Targets

    • Target

      Quotation Bailey Trading.exe

    • Size

      721KB

    • MD5

      2b2f4fc73af350d702be272d0359ae33

    • SHA1

      6f5590000b40bb079c07755806b8a6ab5d0aa514

    • SHA256

      4b1798ea1212bd8c50d111f5124660ca4c7288a1c11129aece16c279a11ab3b3

    • SHA512

      f6188745da4413ae28c353fb1d9416fc244e7365e150d49c6e571aff949b008947aa01d7370ef6dd7d06a94076c7429db4cd0b3cdfa5fa3b58f9c69de9c059c0

    • 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