General

  • Target
    53186ce79e6468105c773438acbe87f1.exe
  • Size 2.6MB
  • Sample210809-3a7g51281j
  • SHA256 9dbdfabbc99542e1c94b7a29eaf437b7fa4c898c4add1a677b126257ae54f94e
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • redline

Botnet
  • newbildWW

C2
  • xietharria.xyz:80

Targets

    • Target
      53186ce79e6468105c773438acbe87f1.exe
    • Size 2.6MB
    • SHA256 9dbdfabbc99542e1c94b7a29eaf437b7fa4c898c4add1a677b126257ae54f94e
    • MD5 SHA1 SHA512
    • 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

    • Suspicious use of NtCreateUserProcessOtherParentProcess

    • suricata: ET MALWARE Observed Elysium Stealer Variant CnC Domain (all-brain-company .xyz in TLS SNI)

      suricata: ET MALWARE Observed Elysium Stealer Variant CnC Domain (all-brain-company .xyz in TLS SNI)

    • xmrig

      XMRig is a high performance, open source, cross platform CPU/GPU miner.

    • XMRig Miner Payload

    • Downloads MZ/PE file

    • Executes dropped EXE

    • 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.

    • 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.

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v6

Tasks