General

  • Target

    e4abd64a01e42490c43dd96226b4c4e601b9b850ea6ae337b9084aee1434e969

  • Size

    4.5MB

  • Sample

    241124-byt52axlby

  • MD5

    357e95c67cad40d7dbd6ed7ad2274e43

  • SHA1

    7f4005f935f0a2666f6eb89cfb743153e47b44a9

  • SHA256

    e4abd64a01e42490c43dd96226b4c4e601b9b850ea6ae337b9084aee1434e969

  • SHA512

    f868b99abc083aa780bf73354c7bce87ed9e639b4a6c4368a021b6953e89a29b71fa02ce5ceab9a9fb9d930a49eb91aa54c1bdce851bd8f92bbd0a4510a147f6

  • SSDEEP

    98304:QtY88x9t4upQC2J8cBVjuOOpFLTXSkIEhYHp0e3zShDC0y2I58DxmG1FCcK:QDktpv2RkOOpFLTLleDShDC0I8Dxm

Malware Config

Extracted

Family

agenttesla

C2

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

Targets

    • Target

      e4abd64a01e42490c43dd96226b4c4e601b9b850ea6ae337b9084aee1434e969

    • Size

      4.5MB

    • MD5

      357e95c67cad40d7dbd6ed7ad2274e43

    • SHA1

      7f4005f935f0a2666f6eb89cfb743153e47b44a9

    • SHA256

      e4abd64a01e42490c43dd96226b4c4e601b9b850ea6ae337b9084aee1434e969

    • SHA512

      f868b99abc083aa780bf73354c7bce87ed9e639b4a6c4368a021b6953e89a29b71fa02ce5ceab9a9fb9d930a49eb91aa54c1bdce851bd8f92bbd0a4510a147f6

    • SSDEEP

      98304:QtY88x9t4upQC2J8cBVjuOOpFLTXSkIEhYHp0e3zShDC0y2I58DxmG1FCcK:QDktpv2RkOOpFLTLleDShDC0I8Dxm

    • AgentTesla

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

    • Agenttesla family

    • RedLine

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

    • Redline family

    • SectopRAT

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

    • SectopRAT payload

    • Sectoprat family

    • Identifies VirtualBox via ACPI registry values (likely anti-VM)

    • Command and Scripting Interpreter: PowerShell

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

    • Checks BIOS information in registry

      BIOS information is often read in order to detect sandboxing environments.

    • 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.

    • Themida packer

      Detects Themida, an advanced Windows software protection system.

    • Checks installed software on the system

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

    • Checks whether UAC is enabled

    • 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 NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks