General

  • Target
    file
  • Size 521KB
  • Sample221022-wr2lraedgr
  • SHA256 2fcbef2bf5b78f4e5205397a80b7f393762d78331166930b682dde2da4a16858
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • nymaim

C2
  • 45.139.105.171

  • 85.31.46.167

Targets

    • Target
      file
    • Size 521KB
    • SHA256 2fcbef2bf5b78f4e5205397a80b7f393762d78331166930b682dde2da4a16858
    • MD5 SHA1 SHA512 SSDEEP
    • Detects Smokeloader packer

    • FFDroider

      Stealer targeting social media platform users first seen in April 2022.

    • NyMaim

      NyMaim is a malware with various capabilities written in C++ and first seen in 2013.

    • Process spawned unexpected child process

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

    • SmokeLoader

      Modular backdoor trojan in use since 2014.

    • Suspicious use of NtCreateUserProcessOtherParentProcess

    • Checks for common network interception software

      Looks in the registry for tools like Wireshark or Fiddler commonly used to analyze network activity.

    • Downloads MZ/PE file

    • Drops file in Drivers directory

    • Executes dropped EXE

    • VMProtect packed file

      Detects executables packed with VMProtect commercial packer.

    • Checks computer location settings

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

    • Loads dropped DLL

    • Unexpected DNS network traffic destination

      Network traffic to other servers than the configured DNS servers was detected on the DNS port.

    • Adds Run key to start application

    • 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