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June 10, 2019
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Rewterz Threat Alert – Bitcoin Extortion Attempts Observed Through Social Engineering

Severity

Medium

Analysis Summary

Several users have reported observing several Bitcoin extortion emails with the subject “[redacted name] : [redacted pw]” and “I hacked your device [email address] and you have a problem now…”. in a new wave of social engineering attacks. 

Social engineering is the most effective way of observing the details of the target user and gather information through different social media platforms to manipulate individuals into divulging confidential or personal information that may be used for fraudulent purposes.

Impact

Bitcoin extortion

Indicators of Compromise

Email Address

  • yciyzioqx[@]veite[.]com
  • x[@]kyih[.]com
  • iouokis[@]yze[.]com
  • yn[@]jdb[.]com
  • ceicolupb[@]auze[.]com
  • zupued[@]xran[.]com
  • seni[@]wf[.]com
  • vur[@]biu[.]com
  • ryteawyw[@]vvi[.]com
  • euabufwaq[@]qo[.]com
  • te[@]raaw[.]com
  • azuaazgoe[@]he[.]com
  • z[@]jai[.]com
  • gijsuzrsm[@]qa[.]com
  • xaxz[@]lez[.]com
  • jiqd[@]ta[.]com
  • ya[@]kle[.]com
  • qowgagaoc[@]upuu[.]com
  • dazygcqyc[@]cyoj[.]com
  • ijeora[@]nuil[.]com
  • xraxkakaa[@]xel[.]com
  • bxiieygiy[@]eome[.]com
  • u[@]kb[.]com
  • oiqwufi[@]yi[.]com
  • xpowsaj[@]ttjy[.]com
  • euwaux[@]guiajc[.]com
  • yotvwaggu[@]pai[.]com
  • xuirirmoq[@]x[.]com
  • vrawrynuy[@]xr[.]com
  • ewuj[@]fmy[.]com
  • brekyzfvh[@]seb[.]com
  • ysp[@]gfed[.]com
  • dammkymd[@]nica[.]com
  • x[@]je[.]com
  • leanorapenny[@]mchzwf.moskovskayagruppa[.]xyz
  • mhfzyp[@]icuy[.]com
  • ahaxt[@]ule[.]com
  • trula-newcomb[@]gkwbeu.anonimnost[.]xyz
  • knumolk[@]sh[.]com
  • oraxexao[@]bokeo[.]com
  • marilynmesser[@]gkwbeu.anonimnost[.]xyz
  • jikyho[@]wxop[.]com
  • ik[@]rudy[.]com
  • wiv[@]hook[.]com
  • pyjye[@]kacy[.]com
  • dianiv[@]esy[.]com
  • waolg[@]cf[.]com
  • ykqoj[@]uq[.]com
  • berifauux[@]fjao[.]com
  • yxwmuyre[@]hivici[.]com

Email Subject

  • I hacked your device [email address] and you have a problem now…”

Remediation

Block all threat indicators at your respective controls.

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