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General

  • Target

    Copia de pago.exe

  • Size

    1.7MB

  • Sample

    220923-jmk2zsded3

  • MD5

    6d231b98f7bc3098fd9797c0e1d6744f

  • SHA1

    ee54b5f53f5f9a8cdf7970a051b5b61bf33ce7aa

  • SHA256

    b61c01986b22368ac8981d54811a6c7c1355b6e0f40c51b5ceba65229989d7a3

  • SHA512

    1773cb371c399d04804eb8670529b5483c0c28e53bbe2dac870c937c63de76e76dec5076c83189e4adff26df548b807b2bb2794144a41c15368dcf2f9994b17e

  • SSDEEP

    49152:DhaduXrt6WEHuWGP+llufXP4fthV0lJGseTp:Faw7t61Ot3H4ft34Js

Malware Config

Extracted

Family

agenttesla

Credentials

Extracted

Family

wshrat

C2

http://goods.camdvr.org:2888

Targets

    • Target

      Copia de pago.exe

    • Size

      1.7MB

    • MD5

      6d231b98f7bc3098fd9797c0e1d6744f

    • SHA1

      ee54b5f53f5f9a8cdf7970a051b5b61bf33ce7aa

    • SHA256

      b61c01986b22368ac8981d54811a6c7c1355b6e0f40c51b5ceba65229989d7a3

    • SHA512

      1773cb371c399d04804eb8670529b5483c0c28e53bbe2dac870c937c63de76e76dec5076c83189e4adff26df548b807b2bb2794144a41c15368dcf2f9994b17e

    • SSDEEP

      49152:DhaduXrt6WEHuWGP+llufXP4fthV0lJGseTp:Faw7t61Ot3H4ft34Js

    • AgentTesla

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

    • WSHRAT

      WSHRAT is a variant of Houdini worm and has vbs and js variants.

    • WSHRAT payload

    • Blocklisted process makes network request

    • Drops file in Drivers directory

    • Executes dropped EXE

    • Checks computer location settings

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

    • Loads dropped DLL

    • 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.

    • Accesses Microsoft Outlook profiles

    • Adds Run key to start application

    • 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 v6

Tasks