General

  • Target

    MSK872314.IMG

  • Size

    1.2MB

  • Sample

    240612-hsrw2stcrg

  • MD5

    066ebfeaf116bbbf27bd61582602f3a3

  • SHA1

    f6928e198f431210f19431aa7ace9082ebb11817

  • SHA256

    55c0037941c33a14458e7a1c99676b3bb256e3030b35e90cbcb1a59330d5ed95

  • SHA512

    e32ac92b4df3b1bbe3c61e958808be65de5414fa7154eef2fe08219209f24ef9c746b19c427e46b37e038c119efdeefacf25f4dfc4f2273ef167af7a366f459d

  • SSDEEP

    12288:hgBUtyTAEQRRU8vt4/Bf5Tg1FA25+cnzqGtuK:hgm8TApRRDmRTGARczjD

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.gmail.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    oadc jzrw bmvr klnl

Extracted

Family

agenttesla

Credentials

Targets

    • Target

      MSK872314.exe

    • Size

      533KB

    • MD5

      6725c5c048c8b02b7ac81cf1eda3ceac

    • SHA1

      3f0554ee0004ef251bf6feaaa4574c5f6539e086

    • SHA256

      db91eeda3f08e6f34872a4708aa2deb3875949f1fd744318749f3c31c7d6dae9

    • SHA512

      08ae9a5b7578e431e5a8f4d69f4ea9478523ddc829d0a913927bd26ef7244ac422ff29ffe3dd5881ca27102e431688c01599d91f89c1c74e80596eb197895946

    • SSDEEP

      12288:4gBUtyTAEQRRU8vt4/Bf5Tg1FA25+cnzqGtuKd:4gm8TApRRDmRTGARczjDd

    • AgentTesla

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

    • Command and Scripting Interpreter: PowerShell

      Run Powershell and hide display window.

    • 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 NtCreateThreadExHideFromDebugger

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks