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Rewterz Threat Alert – LockBit Ransomware – Active IOCs
January 7, 2023
Rewterz Threat Alert – STOP (DJVU) Ransomware – Active IOCs
January 8, 2023

Rewterz Threat Alert – SmokeLoader Malware – Active IOCs

January 7, 2023

Severity

Medium

Analysis Summary

Smoke Loader – a malicious bot application – can be used to load additional malware. Smoke Loader has been spotted in the wild since 2011, carrying a variety of payloads. This malware is mostly used to load additional malicious software, which is often obtained from a third-party source. Smoke Loader can load its modules allowing it to do several activities without the use of additional components. To date, the supplier of Smokeloader, who goes by the alias SmokeLdr, is still active in delivering this malware as a service. It is well-known for using deception and self-defense. This malware can be spread in several ways and is widely linked to criminal activity. To hide its C2 activity, this malware sends queries to popular websites like microsoft.com, bing.com, adobe.com, and others.

Impact

  • Information theft
  • Unauthorized Access

Indicators of Compromise

MD5

  • b474d30039b51a5fd11deda319dde90d
  • 721848630792cc8d766f7a66b7dff04e
  • 333aa9917c09f5ccf2e8c5bb21ab8292
  • cfd57a3bbe2a49525cc1ff6183cc2085

SHA-256

  • 3b3ad2db486dc73af2b977d5823f21248bdd533b5b4c8ebfc5f4363feb627ef3
  • 3edd24a363f9f3eb040c437abb08492e606a2209075ada966e4eb09bdf8494c6
  • 3a0cd2cbc7d1e617e6cb87b6424a65cd7cc57731c3972c3c1dcef502520532ed
  • 56e7b574029fa5272d7cdc325ffc8b93878efe5a008a021400fde5e97fd3fa76

SHA-1

  • 0876ca51235b8ee3a2b338c7e73d58cc89a4a416
  • b9edbbf6d8ed9aa909583d5cfeb5ccafb8fefd49
  • 890625b934a90264290a1ea636e725eb06ae090a
  • a2310517555e207a3c016364df67215dc69f7c33

Remediation

  • Block all threat indicators at your respective controls.
  • Search for Indicators of compromise (IOCs) in your environment utilizing your respective security controls
  • Do not download documents attached in emails from unknown sources and strictly refrain from enabling macros when the source isn’t reliable.
  • Enable antivirus and anti-malware software and update signature definitions in a timely manner. Using multi-layered protection is necessary to secure vulnerable assets
  • Patch and upgrade any platforms and software timely and make it into a standard security policy.
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      • Compromise Assessment
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    • Respond
      • Incident Response
      • Incident Analysis
  • Transform
    • SOC Consultancy
    •     SOC Maturity Assessment
    •     SOC Model Evaluation
    •     SOC Gap Analysis
    •     SIEM Gap Analysis
    •     SIEM Optimization
    •     SOC Content Pack
  • Train
    • Security Awareness and Training
    • Tabletop Exercise
    • Simulated Cyber Attack Exercises
  • Managed Security
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      • Hybrid SOC
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