General

  • Target

    #RFQ SUPPLY Unilever House UK.gz

  • Size

    389KB

  • Sample

    211025-q29gfshban

  • MD5

    56a5e9f36274d3ad15f606eb88d2b5bf

  • SHA1

    5b9f27f621289d1fabb9c0062413fe3ce824310a

  • SHA256

    54278d26b39d099e19fff3909834dd30398a1805eeec077f709a245b9a79a62d

  • SHA512

    90091a4266e12b8cb04e779dee5128347df0833f85a43b2e97dd991c282dcc2115675a2c1472268a9f6ad3848c4358987346c7160ae939aedf80a845861a8b61

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.regalbelloit.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    sSAfydK0

Targets

    • Target

      #RFQ SUPPLY Unilever House UK.exe

    • Size

      748KB

    • MD5

      9c2edb97aaf6013cb0f74296203e8282

    • SHA1

      167af6389486d80064b7321663876932b1934c42

    • SHA256

      a8c0c2fcf4f6dbcaafc53a6c9cd3c50a58b6429d240577530e368ce4e27df294

    • SHA512

      af0a2879b1c89ce02677946363f14bad0d5566cf095b0da0b7803391dd4dc5265bec9edd440f809debd99bc74d9c9c524b770c1c10c9c3da740d3557339ae907

    • AgentTesla

      Agent Tesla is a remote access tool (RAT) written in visual basic.

    • AgentTesla Payload

    • Looks for VirtualBox Guest Additions in registry

    • Looks for VMWare Tools registry key

    • Checks BIOS information in registry

      BIOS information is often read in order to detect sandboxing environments.

    • 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

    • Maps connected drives based on registry

      Disk information is often read in order to detect sandboxing environments.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v6

Tasks