General

  • Target

    d635c54154c69a26d5e8f4e148016a966393f96d097df9c983813de21a500f6c

  • Size

    239KB

  • Sample

    230923-zm5pdscb42

  • MD5

    b781021ec7bdfb6daea1937eb0a35395

  • SHA1

    80d8f71f69289e852bdcd0aed9101e01d93d2170

  • SHA256

    d635c54154c69a26d5e8f4e148016a966393f96d097df9c983813de21a500f6c

  • SHA512

    a9ae5b381c8a748059377b99d66a962de0cb411918cc3b2e38b6891ad79811b5b3f6b41d805f4d39e0c2b45c3bb6dafdd8974c3df2ad5d1d9d69954ffe5f2679

  • SSDEEP

    6144:3R46fuYXChoQTjlFgLuCY1dRuAO1ZU9cw8y0:3GYzXChdTbv1buBU9cw8y

Malware Config

Extracted

Family

smokeloader

Version

2022

C2

http://77.91.68.29/fks/

rc4.i32
rc4.i32

Targets

    • Target

      d635c54154c69a26d5e8f4e148016a966393f96d097df9c983813de21a500f6c

    • Size

      239KB

    • MD5

      b781021ec7bdfb6daea1937eb0a35395

    • SHA1

      80d8f71f69289e852bdcd0aed9101e01d93d2170

    • SHA256

      d635c54154c69a26d5e8f4e148016a966393f96d097df9c983813de21a500f6c

    • SHA512

      a9ae5b381c8a748059377b99d66a962de0cb411918cc3b2e38b6891ad79811b5b3f6b41d805f4d39e0c2b45c3bb6dafdd8974c3df2ad5d1d9d69954ffe5f2679

    • SSDEEP

      6144:3R46fuYXChoQTjlFgLuCY1dRuAO1ZU9cw8y0:3GYzXChdTbv1buBU9cw8y

    • Detected google phishing page

    • Phobos

      Phobos ransomware appeared at the beginning of 2019.

    • 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

    • Downloads MZ/PE file

    • Checks computer location settings

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

    • 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.

    • Uses the VBS compiler for execution

    • Accesses Microsoft Outlook profiles

    • 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.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks