General

  • Target

    9f964c6fd47e7582f72b3e3f9941cd1ca3354b5f568ff0c4f6d070655d6bd299.exe

  • Size

    3.1MB

  • Sample

    240501-b9a7asdc4s

  • MD5

    2ed9483d30a2109ec02ee1c903f70494

  • SHA1

    c581726dc91f460519d81f2bc8b9f876463c98b7

  • SHA256

    9f964c6fd47e7582f72b3e3f9941cd1ca3354b5f568ff0c4f6d070655d6bd299

  • SHA512

    5d8efb5a8cf10f2d5b48db77561198c61e490a241e80413c4aca84ebde8de3c62b897263461212f6019179ccd565926d08f36b5dca45088a65028fe44ea49dc9

  • SSDEEP

    49152:FzBfc7D8BZAVag4shuGHEy0gAxxYIz5M6Pn3Q4TGaePtXvhAK2t3hf2qKxl/tG0X:FzuScr45ZZePtA+d72hpSgha

Malware Config

Extracted

Family

agenttesla

Credentials

Targets

    • Target

      9f964c6fd47e7582f72b3e3f9941cd1ca3354b5f568ff0c4f6d070655d6bd299.exe

    • Size

      3.1MB

    • MD5

      2ed9483d30a2109ec02ee1c903f70494

    • SHA1

      c581726dc91f460519d81f2bc8b9f876463c98b7

    • SHA256

      9f964c6fd47e7582f72b3e3f9941cd1ca3354b5f568ff0c4f6d070655d6bd299

    • SHA512

      5d8efb5a8cf10f2d5b48db77561198c61e490a241e80413c4aca84ebde8de3c62b897263461212f6019179ccd565926d08f36b5dca45088a65028fe44ea49dc9

    • SSDEEP

      49152:FzBfc7D8BZAVag4shuGHEy0gAxxYIz5M6Pn3Q4TGaePtXvhAK2t3hf2qKxl/tG0X:FzuScr45ZZePtA+d72hpSgha

    • AgentTesla

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

    • Detect packed .NET executables. Mostly AgentTeslaV4.

    • Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers.

    • Detects binaries and memory artifacts referencing sandbox DLLs typically observed in sandbox evasion

    • Detects executables packed with or use KoiVM

    • Detects executables referencing Windows vault credential objects. Observed in infostealers

    • Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers

    • Detects executables referencing many email and collaboration clients. Observed in information stealers

    • Detects executables referencing many file transfer clients. Observed in information stealers

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • 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 v15

Tasks