Resubmissions

29/12/2022, 04:09

221229-eq6ewafd3w10

29/12/2022, 00:18

221229-alzz3sca6810

General

  • Target
    4de83560a88904770daab30fd5a2892f60d95c48f5db331499981489ee03ab57
  • Size 244KB
  • Sample221229-eq6ewafd3w
  • SHA256 4de83560a88904770daab30fd5a2892f60d95c48f5db331499981489ee03ab57
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • redline

Botnet
  • installs

C2
  • 77.73.134.57:20368

Attributes
  • auth_value

    018d84fd84774560e4827f12acc7d4af

Targets

    • Target
      4de83560a88904770daab30fd5a2892f60d95c48f5db331499981489ee03ab57
    • Size 244KB
    • SHA256 4de83560a88904770daab30fd5a2892f60d95c48f5db331499981489ee03ab57
    • MD5 SHA1 SHA512 SSDEEP
    • Detects Smokeloader packer

    • RedLine

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

    • SmokeLoader

      Modular backdoor trojan in use since 2014.

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Registers COM server for autorun

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

    • Checks computer location settings

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

    • Loads dropped DLL

    • Reads user/profile data of web browsers

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

    • Uses the VBS compiler for execution

    • 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.

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • Legitimate hosting services abused for malware hosting/C2

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v6

Tasks