General

  • Target

    82D8FE8523A17596A64F5EC94845E7C0.exe

  • Size

    3.2MB

  • Sample

    210607-8lf6dncra6

  • MD5

    82d8fe8523a17596a64f5ec94845e7c0

  • SHA1

    8ef260f55055d4a7242d6e3cbf0359d2793bc374

  • SHA256

    b412a43bbd6598818a0fe157f513fc8d74e67430b53b8f29eaefdceb57e7b80b

  • SHA512

    15176fa1c05aeda3c700c3fe068fff4709f1b9f0fc64e9647ad2ebde01b3dd1bab7be2d5fcca9f5184f480628e92757e9e63b2354fb6faec865a67f8d99bef8f

Malware Config

Extracted

Family

smokeloader

Version

2020

C2

http://ppcspb.com/upload/

http://mebbing.com/upload/

http://twcamel.com/upload/

http://howdycash.com/upload/

http://lahuertasonora.com/upload/

http://kpotiques.com/upload/

rc4.i32
rc4.i32

Extracted

Family

redline

C2

45.153.230.81:6945

Targets

    • Target

      82D8FE8523A17596A64F5EC94845E7C0.exe

    • Size

      3.2MB

    • MD5

      82d8fe8523a17596a64f5ec94845e7c0

    • SHA1

      8ef260f55055d4a7242d6e3cbf0359d2793bc374

    • SHA256

      b412a43bbd6598818a0fe157f513fc8d74e67430b53b8f29eaefdceb57e7b80b

    • SHA512

      15176fa1c05aeda3c700c3fe068fff4709f1b9f0fc64e9647ad2ebde01b3dd1bab7be2d5fcca9f5184f480628e92757e9e63b2354fb6faec865a67f8d99bef8f

    • ElysiumStealer

      ElysiumStealer (previously known as ZeromaxStealer) is an info stealer that can steal login credentials for various accounts.

    • PlugX

      PlugX is a RAT (Remote Access Trojan) that has been around since 2008.

    • 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 NtCreateUserProcessOtherParentProcess

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • 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

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

    • 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

    • Modifies file permissions

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • 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

    • Drops desktop.ini file(s)

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • 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

    • autoit_exe

      AutoIT scripts compiled to PE executables.

MITRE ATT&CK Enterprise v6

Tasks