General

  • Target
    Skinschanger.exe
  • Size 1.1MB
  • Sample211230-mbc4saecgr
  • SHA256 4fce37e360ca280e7aca9ce2eacef82c77a4b7d62bf23a447fe582ad79847d4d
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • redline

C2
  • 45.153.184.61:34783

Extracted

Family
  • redline

Botnet
  • cheat

C2
  • 45.147.196.146:6213

Extracted

Family
  • raccoon

Botnet
  • e9f10fade0328e7cef5c9f5bf00076086ba5a8a1

Attributes
  • url4cnc

    http://91.219.236.18/baldandbankrupt1

    http://194.180.174.41/baldandbankrupt1

    http://91.219.236.148/baldandbankrupt1

    https://t.me/baldandbankrupt1

rc4.plain
rc4.plain

Targets

    • Target
      Skinschanger.exe
    • Size 1.1MB
    • SHA256 4fce37e360ca280e7aca9ce2eacef82c77a4b7d62bf23a447fe582ad79847d4d
    • MD5 SHA1 SHA512
    • Modifies Windows Defender Real-time Protection settings

    • Raccoon

      Simple but powerful infostealer which was very active in 2019.

    • RedLine

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

    • RedLine Payload

    • Suspicious use of NtCreateProcessExOtherParentProcess

    • 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.

    • Loads dropped DLL

    • 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

    • Adds Run key to start application

    • 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

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v6

Tasks