General

  • Target
    win_setup__621708b8b769c.exe
  • Size 6.0MB
  • Sample220224-e9nzyadcan
  • SHA256 054f4390cf430a215bbac1f9eb82969666157f3dcd60a526cb8876dcca88fdcb
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • smokeloader

Version
  • 2020

C2
  • http://pjure.at/upload/

  • http://puffersweiven.com/upload/

  • http://algrcabel.ru/upload/

  • http://pelangiqq99.com/upload/

  • http://elsaunny.com/upload/

  • http://korphoto.com/upload/

  • http://hangxachtaythodoan.com/upload/

  • http://pkodev.net/upload/

  • http://go-piratia.ru/upload/

  • http://piratia.su/upload/

rc4.i32
rc4.i32

Extracted

Family
  • redline

Botnet
  • mediam10

C2
  • 92.255.57.154:11841

Attributes
  • auth_value

    c244f3014e6aa11d9b853b0c94e0743e

Targets

    • Target
      win_setup__621708b8b769c.exe
    • Size 6.0MB
    • SHA256 054f4390cf430a215bbac1f9eb82969666157f3dcd60a526cb8876dcca88fdcb
    • MD5 SHA1 SHA512
    • OnlyLogger

      A tiny loader that uses IPLogger to get its payload.

    • 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.

    • Suspicious use of NtCreateProcessExOtherParentProcess

    • Suspicious use of NtCreateUserProcessOtherParentProcess

    • 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

    • OnlyLogger Payload

    • ASPack v2.12-2.42

      Detects executables packed with ASPack v2.12-2.42

    • Downloads MZ/PE file

    • Executes dropped EXE

    • 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.

    • 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.

    • 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.

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v6

Tasks