General

  • Target

    DOC.rar

  • Size

    619KB

  • Sample

    241003-ncyybaxcjq

  • MD5

    3a5a81a4e016d1a76b388ff3fe187053

  • SHA1

    ed2d98cd24237278b41dd4dfd9f6885821052abe

  • SHA256

    e5b1e16daa002f8571e782628879b8a41b664f6430ce76edbf69f5a1b0f3ee0e

  • SHA512

    b2c63dfee9aa366bdd02176fe0c120aafcf7f0055684356fde4ab8bff67e907dcb87d74b7f177c1b92e38b16026f3033954d7aa837037cc417bae9d3f4967ec4

  • SSDEEP

    12288:cW80s0x5S1b0rZuBdDDlxlGozGhuy6G4XxxwSBNPe2rcEhCeIZ:ces0x5S1b0IBdD5x8n4Bxrx7CeA

Malware Config

Extracted

Family

agenttesla

Credentials

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.apexrnun.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    dU*wU0)yR;?4q|-#

Targets

    • Target

      iu5J6ktsl7y8tiM.exe

    • Size

      790KB

    • MD5

      6fc0480b81f7492fef68b69e3707c213

    • SHA1

      956e53123b9650d62f38532fe65e7c72f1fced1d

    • SHA256

      021b5417b02a080b620285e4bc35871a4c013c4fb46884574bad06b2b896394c

    • SHA512

      7edfc8b39d60f3d898e8d876e2d591f6db6cd023242d427b14268b4908d3ac8cb16a85ab19aa1b06b3fd735636b5c2b8ee7a8c6fe6f3b7dbdbd848458e9c5ae6

    • SSDEEP

      12288:SW6jz+yrT5G1wXJjMZMNX0Q+JiDi3yqepAhencOxeUc7N5F:V+z+yrTrlPUeFjAhff7Nf

    • AgentTesla

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

    • Command and Scripting Interpreter: PowerShell

      Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

    • 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.

    • 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