General

  • Target

    b2eaab79de659373164eb6ac758c8140547bf4d7e193e979dce2467cb3c6ace1

  • Size

    654KB

  • Sample

    240514-bpjypsdc81

  • MD5

    e9d2512f562571e95e8a30b9feeda6a0

  • SHA1

    55005d3f55531701ed75c02e837d1550716324ae

  • SHA256

    b2eaab79de659373164eb6ac758c8140547bf4d7e193e979dce2467cb3c6ace1

  • SHA512

    25c48a7def0f32882d58f811ec2cc3665c103654509a1837308d3e96fad942143203ccf20f9abe37a63c4b8b7ef2d425442cec98817cd9f1b8195bc02ff9f9c9

  • SSDEEP

    12288:3kTCQ5HK3hrUP/qPQZR8MxAm/SXOhJEcNxLX9lm0XN6WbxxPpFcwF:GCQ5HKRrUP/mMxSOXEc9hXN6gpFh

Malware Config

Extracted

Family

agenttesla

Credentials

Targets

    • Target

      b2eaab79de659373164eb6ac758c8140547bf4d7e193e979dce2467cb3c6ace1

    • Size

      654KB

    • MD5

      e9d2512f562571e95e8a30b9feeda6a0

    • SHA1

      55005d3f55531701ed75c02e837d1550716324ae

    • SHA256

      b2eaab79de659373164eb6ac758c8140547bf4d7e193e979dce2467cb3c6ace1

    • SHA512

      25c48a7def0f32882d58f811ec2cc3665c103654509a1837308d3e96fad942143203ccf20f9abe37a63c4b8b7ef2d425442cec98817cd9f1b8195bc02ff9f9c9

    • SSDEEP

      12288:3kTCQ5HK3hrUP/qPQZR8MxAm/SXOhJEcNxLX9lm0XN6WbxxPpFcwF:GCQ5HKRrUP/mMxSOXEc9hXN6gpFh

    • AgentTesla

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

    • Blocklisted process makes network request

    • Downloads MZ/PE file

    • Abuses OpenXML format to download file from external location

    • Executes dropped EXE

    • Loads dropped DLL

    • 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.

    • Looks up external IP address via web service

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

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks