General

  • Target

    RHGP0987090H.xlsx

  • Size

    2.1MB

  • Sample

    250129-gslvcsspbs

  • MD5

    55a94ebc4a3702f57aacb4633d36424e

  • SHA1

    eb1cc363bbe0e61efcbb9fdb31d58b3cb714189e

  • SHA256

    9bd66b6fa9050edf01d12180e4569c464f47e3235d5a912c9d2e91b6461e8f23

  • SHA512

    adfcf48ac7cc0d40ee8665eee45147204a721fd3205febfd1ded8738104684ebbd74cf7e8fbef551cbd6c82b9999e1f9546918a79b3de7fb23d410ba82d0f5e1

  • SSDEEP

    49152:cpfIiqBbNgp+blM1X2fjuQvW4hMalpBgNZVOhOPsTRYLXSOu:8eBbxby1ejuQvLxpBgNZghOSYud

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    ftp
  • Host:
    ftp://ftp.antoniomayol.com:21
  • Port:
    21
  • Username:
    [email protected]
  • Password:
    cMhKDQUk1{;%

Targets

    • Target

      RHGP0987090H.xlsx

    • Size

      2.1MB

    • MD5

      55a94ebc4a3702f57aacb4633d36424e

    • SHA1

      eb1cc363bbe0e61efcbb9fdb31d58b3cb714189e

    • SHA256

      9bd66b6fa9050edf01d12180e4569c464f47e3235d5a912c9d2e91b6461e8f23

    • SHA512

      adfcf48ac7cc0d40ee8665eee45147204a721fd3205febfd1ded8738104684ebbd74cf7e8fbef551cbd6c82b9999e1f9546918a79b3de7fb23d410ba82d0f5e1

    • SSDEEP

      49152:cpfIiqBbNgp+blM1X2fjuQvW4hMalpBgNZVOhOPsTRYLXSOu:8eBbxby1ejuQvLxpBgNZghOSYud

    • AgentTesla

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

    • Agenttesla family

    • Blocklisted process makes network request

    • Downloads MZ/PE file

    • Drops startup file

    • Executes dropped EXE

    • Loads dropped DLL

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • AutoIT Executable

      AutoIT scripts compiled to PE executables.

    • Suspicious use of SetThreadContext

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

MITRE ATT&CK Enterprise v15

Tasks