General

  • Target
    8905c96d588cd083bc46fae8fd019049.exe
  • Size 139KB
  • Sample210824-q94d4ht9mn
  • SHA256 57b6d02c4b8d4153680004aecf35f8328a6f33c59b2ac7c7ee4ecb4e5af46465
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • smokeloader

Version
  • 2020

C2
  • http://aucmoney.com/upload/

  • http://thegymmum.com/upload/

  • http://atvcampingtrips.com/upload/

  • http://kuapakualaman.com/upload/

  • http://renatazarazua.com/upload/

  • http://nasufmutlu.com/upload/

rc4.i32
rc4.i32

Extracted

Family
  • redline

C2
  • 185.215.113.29:8678

Extracted

Family
  • redline

Botnet
  • mix1

C2
  • 185.167.97.37:30900

Targets

    • Target
      8905c96d588cd083bc46fae8fd019049.exe
    • Size 139KB
    • SHA256 57b6d02c4b8d4153680004aecf35f8328a6f33c59b2ac7c7ee4ecb4e5af46465
    • MD5 SHA1 SHA512
    • RedLine

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

    • RedLine Payload

    • SmokeLoader

      Modular backdoor trojan in use since 2014.

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

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Checks BIOS information in registry

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

    • Deletes itself

    • 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.

    • 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.

    • Checks whether UAC is enabled

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Enterprise v6

Tasks