Rewterz Threat Alert – Lazarus FastCash – IOCs

Severity

High

Analysis Summary

FASTCash schemes remotely compromise payment switch application servers within banks to facilitate fraudulent transactions. Lazarus has been targeting this fastcash schemes previous aly as well for their financial gains and targeting different banking sectors around the world.

In two different incidents, one employee was targeted by the alleged employment recruiter on a leading employment-oriented website. The threat actors might have spoofed an employee profile and lured user for offer of potential employment and eventually downloaded the malicious attachment to it’s machine. While in the second incident, a separate issuer in the AP region was targeted with the same FASTCash attributed malware variant. Unconfirmed that the threat actors have gained access to the targeted machine, it is likely that the threat actors used a social engineering scheme or phishing campaign to distribute the malicious cryptocurrency application, which was then executed by an employee at the targeted institution.

Impact

• Exposure of sensitive data
• Financial loss

Indicators of Compromise

Domain Name

cryptoistic[.]co

IP

107[.]173[.]214[.]176

MD5

• c744a0435bce2fdcc6b05737321f8559
• 01d397df2a1cf1d4c8e3615b7064856c
• 85a2b78f394383de5f3eaa79e9591996
• 438ddcd83f5badb461bbee2214e6b51e

SHA-256

• 306f5734d7a8eaafbac45a814f3c25c5c93f89afad9794c78f57a84fcd5396d2
• d928b1c1096e636463afbd19f40a6b325e159196b4497895748c31535ea503dc
• 29d96e5574323c63a92864938b9cc33358aa8a5bf91d0fd2bd231b1a1cb47e22
• 3d853fcffe10c86462775a8f0b104525b962591aded2651b23908d776a57f5a5

SHA1

• b3be35f9f69615ba96692a1017c7b2df12c7dea2
• 43a7858a0564c500e7f248762353f5b1ec3f3ef8
• f0264417e4210e699be6d83f1dd9f0a79a6a700b
• 53aa45c8317e4d115b887477d823f71fb7063fb3

Remediation

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