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Rewterz Threat Alert – Molerats spear phishing campaign

Severity

Medium

Analysis Summary

Exploiting a path traversal vulnerability of winrar, a Molerats spear phishing campaign is discovered. It is suspected that a Gaza Cybergang group is behind the campaign. At first step, the victim installs a downloader in their operating system which then gets infected with a RAT (Quasar). The downloader  typically first tries to connect to a geo location domain and then the RAT is downloaded. The given hostname serve as C2 for the molerat. There are currently three samples that contact these domains given in the IoCs, while the URL itself is marked safe.

image6-2.png

Impact

Data Theft

Indicators of Compromise

IP(s) / Hostname(s)

  • myexternalip[.]com
  • updatemsi[.]com

Email Address

lujyayman1000[@]gmail[.]com

Malware Hash (MD5/SHA1/SH256)

  • cb65ded99393122d46d10439ebc39d25d258e60614170123923eeb066263ef2a
  • bb019265a536a5e9a766dee97a2f3a82
  • a3b9acf59907522a84bdb3e57f16b563aff0f43bdb7be2ac33037fab1f00bcf2
  • a7994ae6ab70e5ee78c0857cfda498de
  • cab43c760a21b4b33475b56cf511b20af65f828b5f051bde6bad78574c596cd2
  • 4a1cd5442856184ea632434e15c4393f
  • 0c4aa50c95c990d5c5c55345626155b87625986881a2c066ce032af6871c426a
  • 3f67231f30fa742138e713085e1279a6
  • 118d0bd8ec35b925167c67217d2fe06ac021ce253f72d17f1093423b8f9b4a2b
  • 78845962f3006e3dbbc113afa8fff078

Remediation

  • Block the threat indicators at their respective controls.
  • Do not download email attachments coming from untrusted sources.
  • Do not download any files from random sources on the internet.
  • Keep winrar updated to the latest patched versions.