General

  • Target

    data423.7z

  • Size

    12.1MB

  • Sample

    240824-nr5dmsyajf

  • MD5

    9b25d1933157d7211b13fa3aa8f879fd

  • SHA1

    57962b8226cbdc3be064d5757f1b9f6e35c3c141

  • SHA256

    c2c7054b1e5d30fd512bafe5a9e0eb8453fade2e06e4b80b446a91fa740e4b6c

  • SHA512

    d70d6439f368639eb016d0dd83867bf48b135312687a3d9c9f7786f9f1fefa8bca64235ace34725fbfc5cd6a6f28fa827242622427ae19ab6b89e99e1c685b62

  • SSDEEP

    196608:gz8HwIRiMbCIMIEhyhV6RlOC1WY/uFPV66hxazaOK9UKMXfzZnoS1BRqRn:8YCIMIEhyhVcv1NGO6hILKxAz6GIn

Malware Config

Extracted

Family

stealc

Botnet

leva

C2

http://185.215.113.100

Attributes
  • url_path

    /e2b1563c6670f193.php

Extracted

Family

redline

Botnet

LogsDiller Cloud (TG: @logsdillabot)

C2

147.45.47.36:14537

Extracted

Family

stealc

Botnet

default

C2

http://46.8.231.109

Attributes
  • url_path

    /c4754d4f680ead72.php

Targets

    • Target

      data423.7z

    • Size

      12.1MB

    • MD5

      9b25d1933157d7211b13fa3aa8f879fd

    • SHA1

      57962b8226cbdc3be064d5757f1b9f6e35c3c141

    • SHA256

      c2c7054b1e5d30fd512bafe5a9e0eb8453fade2e06e4b80b446a91fa740e4b6c

    • SHA512

      d70d6439f368639eb016d0dd83867bf48b135312687a3d9c9f7786f9f1fefa8bca64235ace34725fbfc5cd6a6f28fa827242622427ae19ab6b89e99e1c685b62

    • SSDEEP

      196608:gz8HwIRiMbCIMIEhyhV6RlOC1WY/uFPV66hxazaOK9UKMXfzZnoS1BRqRn:8YCIMIEhyhVcv1NGO6hILKxAz6GIn

    • RedLine

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

    • RedLine payload

    • Stealc

      Stealc is an infostealer written in C++.

    • Credentials from Password Stores: Credentials from Web Browsers

      Malicious Access or copy of Web Browser Credential store.

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

    • Creates new service(s)

    • Downloads MZ/PE file

    • Stops running service(s)

    • 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.

    • Executes dropped EXE

    • Identifies Wine through registry keys

      Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

    • Loads dropped DLL

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Checks installed software on the system

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

    • Legitimate hosting services abused for malware hosting/C2

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Power Settings

      powercfg controls all configurable power system settings on a Windows system and can be abused to prevent an infected host from locking or shutting down.

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks