General

  • Target
    F1F6AEEE9A42004E68765A83E9CBD51BC878A0AFD7C80.exe
  • Size 6.4MB
  • Sample211109-evtlwabfbk
  • SHA256 f1f6aeee9a42004e68765a83e9cbd51bc878a0afd7c80a88432ab14c84f8541b
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • socelars

C2
  • http://www.iyiqian.com/

  • http://www.hbgents.top/

  • http://www.rsnzhy.com/

  • http://www.znsjis.top/

Extracted

Family
  • redline

Botnet
  • jamesfuck

C2
  • 65.108.20.195:6774

Extracted

Family
  • smokeloader

Version
  • 2020

C2
  • http://gmpeople.com/upload/

  • http://mile48.com/upload/

  • http://lecanardstsornin.com/upload/

  • http://m3600.com/upload/

  • http://camasirx.com/upload/

rc4.i32
rc4.i32

Extracted

Family
  • redline

Botnet
  • ANI

C2
  • 45.142.215.47:27643

Targets

    • Target
      F1F6AEEE9A42004E68765A83E9CBD51BC878A0AFD7C80.exe
    • Size 6.4MB
    • SHA256 f1f6aeee9a42004e68765a83e9cbd51bc878a0afd7c80a88432ab14c84f8541b
    • MD5 SHA1 SHA512
    • Modifies Windows Defender Real-time Protection settings

    • Process spawned unexpected child process

      This typically indicates the parent process was compromised via an exploit or macro.

    • 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.

    • Socelars

      Socelars is an infostealer targeting browser cookies and credit card credentials.

    • Socelars Payload

    • Suspicious use of NtCreateUserProcessOtherParentProcess

    • suricata: ET MALWARE ClipBanker Variant Activity (POST)

      suricata: ET MALWARE ClipBanker Variant Activity (POST)

    • suricata: ET MALWARE GCleaner Downloader Activity M5

      suricata: ET MALWARE GCleaner Downloader Activity M5

    • suricata: ET MALWARE JS/Nemucod requesting EXE payload 2016-02-01

      suricata: ET MALWARE JS/Nemucod requesting EXE payload 2016-02-01

    • suricata: ET MALWARE JS/Nemucod.M.gen downloading EXE payload

      suricata: ET MALWARE JS/Nemucod.M.gen downloading EXE payload

    • suricata: ET MALWARE Win32/Unk.HRESQ! MultiDownloader Checkin

      suricata: ET MALWARE Win32/Unk.HRESQ! MultiDownloader Checkin

    • suricata: ET MALWARE Win32/Unk.HRESQ! MultiDownloader Checkin M2

      suricata: ET MALWARE Win32/Unk.HRESQ! MultiDownloader Checkin M2

    • suricata: ET MALWARE Win32/Vidar Variant Stealer CnC Exfil

      suricata: ET MALWARE Win32/Vidar Variant Stealer CnC Exfil

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

    • ASPack v2.12-2.42

      Detects executables packed with ASPack v2.12-2.42

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Modifies Windows Firewall

    • 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.

    • Loads dropped DLL

    • 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

    • 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.

    • Looks up geolocation information via web service

      Uses a legitimate geolocation service to find the infected system's geolocation info.

    • Drops file in System32 directory

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v6

Tasks