General

  • Target

    fdeda0b1cec9ab9c2f5f6b8b10e8a08a_JaffaCakes118

  • Size

    1.8MB

  • Sample

    241219-b2ejra1mdz

  • MD5

    fdeda0b1cec9ab9c2f5f6b8b10e8a08a

  • SHA1

    1f842bf7af95dd172cb408e6561123adf43451ce

  • SHA256

    f21e0b50c1d764720c940169a83e4331331113ce1a68fe7be541a47ab07e0a0c

  • SHA512

    572d95b0266e903085049e84790b058ea469ca49535c8b525299c505dcc1c74bf77251139abb03ec70d4658ca352663665f5afcae31d4b6c10254e6468488532

  • SSDEEP

    49152:bAOJkbSb8GNrom09Gjre1U9jaAd/3yd2OluON4fA9u:ISe1U9O6

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    ftp
  • Host:
    ftp://ftp.mmdqatar.com/
  • Port:
    21
  • Username:
    [email protected]
  • Password:
    Mm.101010

Targets

    • Target

      fdeda0b1cec9ab9c2f5f6b8b10e8a08a_JaffaCakes118

    • Size

      1.8MB

    • MD5

      fdeda0b1cec9ab9c2f5f6b8b10e8a08a

    • SHA1

      1f842bf7af95dd172cb408e6561123adf43451ce

    • SHA256

      f21e0b50c1d764720c940169a83e4331331113ce1a68fe7be541a47ab07e0a0c

    • SHA512

      572d95b0266e903085049e84790b058ea469ca49535c8b525299c505dcc1c74bf77251139abb03ec70d4658ca352663665f5afcae31d4b6c10254e6468488532

    • SSDEEP

      49152:bAOJkbSb8GNrom09Gjre1U9jaAd/3yd2OluON4fA9u:ISe1U9O6

    • AgentTesla

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

    • Agenttesla family

    • 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 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.

    • Unsecured Credentials: Credentials In Files

      Steal credentials from unsecured files.

    • Accesses Microsoft Outlook profiles

    • Adds Run key to start application

    • 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 v15

Tasks