General

  • Target

    bc716b64535a8e00171d76631a48da8bbe1037abfcba4ea04121d831f55c20a5

  • Size

    1.2MB

  • Sample

    240728-blcp8azamp

  • MD5

    6cff6b98dacd53468cd78d47191a6b01

  • SHA1

    5d0a4474760383c5ff21cf2fc6605428d1b4928e

  • SHA256

    bc716b64535a8e00171d76631a48da8bbe1037abfcba4ea04121d831f55c20a5

  • SHA512

    55356549d17f7efe4dbd509bd8dff4053ddb69375b30c9746579569c91329c6b1d3528aa2160e82a2b3d1d000042eec329c6400dedb3c32ceaaea7f6c5d43044

  • SSDEEP

    24576:VbDcL5MUwDi8dRDVpctcXMoDxcI02ncEfMhrwEDBRwhgc:VvGQiAbGGxFp7NMnDBF

Malware Config

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot7390139954:AAFw-89dzufZnN9iQ-qMJ7xuGsXRrzvXAEI/

Extracted

Family

redline

Botnet

cetry

C2

204.14.75.2:16383

Targets

    • Target

      bc716b64535a8e00171d76631a48da8bbe1037abfcba4ea04121d831f55c20a5

    • Size

      1.2MB

    • MD5

      6cff6b98dacd53468cd78d47191a6b01

    • SHA1

      5d0a4474760383c5ff21cf2fc6605428d1b4928e

    • SHA256

      bc716b64535a8e00171d76631a48da8bbe1037abfcba4ea04121d831f55c20a5

    • SHA512

      55356549d17f7efe4dbd509bd8dff4053ddb69375b30c9746579569c91329c6b1d3528aa2160e82a2b3d1d000042eec329c6400dedb3c32ceaaea7f6c5d43044

    • SSDEEP

      24576:VbDcL5MUwDi8dRDVpctcXMoDxcI02ncEfMhrwEDBRwhgc:VvGQiAbGGxFp7NMnDBF

    • AgentTesla

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

    • RedLine

      RedLine Stealer is a malware family written in C#, first appearing in early 2020.

    • RedLine payload

    • SectopRAT

      SectopRAT is a remote access trojan first seen in November 2019.

    • SectopRAT payload

    • Credentials from Password Stores: Credentials from Web Browsers

      Malicious Access or copy of Web Browser Credential store.

    • 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.

    • Deletes itself

    • Executes dropped EXE

    • Loads dropped DLL

    • 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.

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • 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