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Rewterz Threat Alert – Malicious Covid-19 URLs
May 15, 2020
Rewterz Threat Alert – Rhino Ransomware
May 18, 2020

Rewterz Threat Alert – Lazarus JavaScript Skimming Campaign

May 16, 2020

Severity

High

Analysis Summary

Lazarus JavaScript Skimming Campaignis targeting eCommerce merchants in North Ameriaca. In this campaign, the attackers inject malicious JavaScript code into the websites of merchants and service providers to harvest payment information, such as billing address, account number, expiration date, and CVV2 from the checkout forms on eCommerce pages. These skimming campaigns, especially against service providers impose a greater threat to their businesses. 

The attackers compromised the content delivery network (CDN) implementation for these service providers and modified JavaScript files hosted on the CDN. The malicious code within these modified files was then integrated into the eCommerce environments of merchants using the service provider’s solutions. This enabled the attackers to harvest payment details from any eCommerce website that utilized the code of the compromised provider on their checkout pages, effectively compromising numerous eCommerce merchants with one successful code inject. 

Impact

  • Credential theft
  • Exposure of sensitive data
  • Financial loss

Indicators of Compromise

MD5

  • 2499898e239acc0eebf03ab0cce25167
  • 51d337a27b3f114d431797fff140b7bd
  • 804a99ef355b88a3ccc83eb5903c3d01
  • 7012619e2ad54b6fc8f675869e8cafe3
  • 8f6db126fc2cc6d8dbdd02a459663b7f
  • f1c7d8eacc6cff2598e7204ea646c746
  • 713261559bb0d55a6fc8eb44d3cfaf05
  • 7f5de381dcf1e06f76704f379de9543d
  • 2ca7c5a9f685d3a3a2894f774ddba5ff
  • 0e7b7688e551e726d7f5e914e1889f49
  • c84b872f60be046780fb943e9109de1c
  • 097269f43f85b7b38c4b382ba8be43da
  • cdf24442120e2ebc8a4df34cb50aa0c2
  • 77805cb7c5770289fda2780078d1a7c0
  • e3e8ee27ab46fd914f96bbd25ef81676
  • 9b02dd2a1a15e94922be3f85129083ac
  • ec05817e19039c2f6cc2c021e2ea0016
  • da50a7a05abffb806f4a60c461521f41

SHA-256

  • d9e3841ec11e862998a5390d2fa5aa04169c8a48bd1d84c12ebcd02b401f36a8
  • 8cd918dbddea3f414d31fcb28292e14154df815e44a0581baccb2830ae64d4bb
  • b368e37d4c0fbc7b4fbbd08541f6b90090220a6b2cd67855a418627e5456305c
  • 23cdd0266ae0d117abec7b947f07fa323d0eefcbaa9eeb9cb1a112ecd400c7a3
  • eb2bdbd01b235d646354459137b086ae5cb05e83774a4bfd3fe52770a7090652
  • 06b69c9ed6f8bb2f2d02b3b94b1f8fd65fb8ce042947008d6c94e48aaf906c48
  • d8977137e81b5727bcf16a18511895e6f83092e2ff874b94bfdaf665d2b7c13b
  • 11d7b29b70e4bc3ca7d65bfb438b2cb7d7877a66bd9deaad861964ad9a0ddd5e
  • 4e828d08178467050ae360b5f085d04d90938d58b8d328a597d5bccd075c2cfd
  • f30090bf43e82b9153056fc3f4b311edb946f056a151a0d5784b269fe07e7378
  • 33eb3aefd00bd76d214b77d7b2d95f314a7721e5f7150040e6f1351ceb9a68cd
  • e2ab35d52bb4955c4968dd01db72e4a52555db4998c0953986f4c2ab05c3fec7
  • 855560295d63f60d9bc936611685ce137889e94b0b91ca7c10241705ba014f4b
  • f90df2cf2be1f95d1a71ccf9fcb25ade421db1da5aa3d652e8d743d5b4bfe9f2
  • 51126a596704ae5c510032d3201c055e5f32e31cda3c8605b749ec1389ae6a60
  • b1102ed4bca6dae6f2f498ade2f73f76af527fa803f0e0b46e100d4cf5150682
  • cdf74f48c9ea905682155441cf03f4207dbeb2a2f09c4605a5cf4a9a367286e8
  • 45ab66dbcb78158b2c2448207717646655d804bdc4f975c47fafbe21a0213fbc

SHA1

  • c55e9d6654c9013dc3451bd58ca2b757f22c4a36
  • 1de0e81067e20910493eb42ed6cdfc0022486577
  • 58548b934a4e64e5958ca1365f1c8bfd0d10fc7d
  • 3b6be19e2d05a4c666a379c340c718bed0511719
  • 4420d8ab6ae0982b3062cecd9a4b5b94785167f5
  • 390550c791fa299aa8c34bd254437407625a82d6
  • 2de31f0002649122ec7c1c07c77c03e4fc78b561
  • 6bb8a90ad721fe0c73950881ba0c1bb4194fc08a
  • ab0d7ba4d3e2c6ebe835378efdc7011027cd6549
  • a42fa4e990331a9723281aa2af9f3bb975c8344b
  • fdb140cb6de80e7b56ed48c17de13eecc08c11ed
  • 3c2069c69817c6f0d49f07da52ac7ea3fa858ec1
  • 87ba555c43ae727132a2af6df121a6ec725ae92e
  • 1af95a52fe879c2011c9fc46193c383095b07ba3
  • ef272e881cd2d4b2295c72d463776ea1bb86faea
  • 2cb6ff75b38a3f24f3b60a2742b6f4d6027f0f2a
  • be7215f294c41baabc1d31cbc1a68fc75fbd4bd2
  • 82093d20396774a5f414c0a1d637ce65129c6cda

Remediation

  • Block all threat indicators at your respective controls.
  • Search for IOCs in your existing environment.

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