General

  • Target

    f547bb8bf706a859088cd4ee4f217c18_JaffaCakes118

  • Size

    646KB

  • Sample

    240925-f3s6raxdnm

  • MD5

    f547bb8bf706a859088cd4ee4f217c18

  • SHA1

    1b636167d2813d758878102e8b20c06fdde3d9cb

  • SHA256

    3c12e7f3c7fa60e642268164df52528f9af539a6f86ed0c01a56ddb1ab432a4e

  • SHA512

    3120d54978894b85e691be44e5eefbfcbca243820ac4d0ad2350b9407d5242ef0682ee193a7bd9c2082fdc434d9ff3b71b7b7d6b415449f0403db07f33440aaf

  • SSDEEP

    12288:WfKHw2FnPoJKlp6BjyEXkhBzorQnV/Wnk/+JYn2sAnqYoYGF:42FnAgv6AB6k/kYnfAqYo7

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.shirdilog.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    SL094521

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.shirdilog.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    SL094521

Targets

    • Target

      f547bb8bf706a859088cd4ee4f217c18_JaffaCakes118

    • Size

      646KB

    • MD5

      f547bb8bf706a859088cd4ee4f217c18

    • SHA1

      1b636167d2813d758878102e8b20c06fdde3d9cb

    • SHA256

      3c12e7f3c7fa60e642268164df52528f9af539a6f86ed0c01a56ddb1ab432a4e

    • SHA512

      3120d54978894b85e691be44e5eefbfcbca243820ac4d0ad2350b9407d5242ef0682ee193a7bd9c2082fdc434d9ff3b71b7b7d6b415449f0403db07f33440aaf

    • SSDEEP

      12288:WfKHw2FnPoJKlp6BjyEXkhBzorQnV/Wnk/+JYn2sAnqYoYGF:42FnAgv6AB6k/kYnfAqYo7

    • AgentTesla

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

    • Modifies Windows Defender Real-time Protection settings

    • 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.

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • 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.

    • Windows security modification

    • 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 v15

Tasks