General

  • Target

    33acb1c1e9f4047dbe19b1b41805bf59c137140cc756a4e4d3b0b71213d8dccb

  • Size

    782KB

  • Sample

    241010-qh3vkasfmk

  • MD5

    2d4ee8a20618678141823fe56ebdbdc5

  • SHA1

    3b393ff2c3863fac6e28dce3be7ff89132a21ed5

  • SHA256

    33acb1c1e9f4047dbe19b1b41805bf59c137140cc756a4e4d3b0b71213d8dccb

  • SHA512

    7627e121cd3640cffc7c7fe7820874ba13f2efc8e5e0cd8519f44aa0ff5487a0220b9b60751a8793f0d266684c2d3efb6637cbc4ab17ff7f82b34f240190204b

  • SSDEEP

    24576:ORg/S7jmYfSMbWlLjtTn90vh3pzWcMuGmaKNyQq/mQk:OqQmYJbWlLj0vRpyHuRDNvquf

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

      LVRmN9zQMQ2LP7G.exe

    • Size

      849KB

    • MD5

      90ddf72c85ae96c28739d959d356a60d

    • SHA1

      70924ccae3d98fc7f2cf3589a9e6f5afb4a5b3cb

    • SHA256

      28c60c06ff3a078f6951ae4bde3069bb8a2c791c52760d8db169c162fc04fec6

    • SHA512

      2e90b3720b21944832df6886ee715bab498c48b939366d810e429d8a105fd9d39a6732e03eab531d5c1fcf4b1f09516ce671bd39c9855872a1123b4b72f4fd63

    • SSDEEP

      24576:FqAJNrVbCx3YNSZCPmGfSxVqLbtT99kph3pzWUM2Gmkj0x8o:DNlCyS0mGeqLbypRpyR2RU0x8o

    • 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