General

  • Target

    CONTRACT #683793.zip

  • Size

    554KB

  • Sample

    221129-qmsv6acg22

  • MD5

    b61760cb4b69f16c8d61038b66951c94

  • SHA1

    5f234efdc75e71481544f6ebb1ca71ec7fd06ac1

  • SHA256

    8300fc191dc84113aa07ca36cb22a14dd257fb8826ca5ddaee8cc6323aa4cd40

  • SHA512

    65e340b6595a144b56d27705cc7e8de58dcba2f34df77c6e6bf3b4691318d8f5cd85e5c66bbc8e3c718b7d95b54eaf8d92b7f3cacc4183afd76b18aac0fc7537

  • SSDEEP

    12288:P3zi+iJJc+XiOXrq7gRCIi97ZagoxSuhnlYaAEtCucH8r0Yv9OledW:PBinc+XiOXrqwkcLH9AACucHkqle0

Malware Config

Extracted

Family

agenttesla

Credentials

Targets

    • Target

      CONTRACT #683793.exe

    • Size

      668KB

    • MD5

      9efabcfe6bfbfa5dda90ad4dc5894040

    • SHA1

      07c7cdac9aa0658d374331c4b35a9d0190eadbee

    • SHA256

      05472a071f902b974d4ce0d2e605058580f86ab1ad7b6c201c6f9b38608c9b4d

    • SHA512

      bae5eb2fb1dcb683ccab5b4c5f6857ffe300b1719378050e5aab1f97e0c748dbbb5abe91b32cbe8aea3615069f0903a376310ad68ad4ad60d80f1933100e0855

    • SSDEEP

      12288:wFkzrbETClCHskFgFwIyXCDP0SLZigmxSuhnlYiAEt+Ccf8r2Yt93cr:Z76CIskFgqIyXyLOLHbAA+Ccfkg

    • AgentTesla

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

    • Checks computer location settings

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

    • 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

    • 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