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Rewterz Threat Alert – Bitter APT Group – IOCs

Severity

High

Analysis Summary

APT-17 group aka BITTER APT group has been recently active and targeting sectors in South Asia for information theft and espionage. This group has a history of targeting Energy, Engineering, Government in South Asia. Spear phishing emails have been the main strike force to target their victims and they’ve been doing it for years now. Many BITTER victims have been exploited through relatively popular Microsoft Office exploit, CVE-2012-0158, in order to download and execute a RAT binary from a website. Although the attack vector of this sample remains unknown of yet, but this is an indication of their presence again in the South Asian region.

Image

Impact

  • Information theft 
  • Espionage

Indicators of Compromise

Filename

  • rkftl[.]exe

MD5

  • 562122123e57a63766737aab096d8d3c

SHA-256

  • c2131a3906d97b5d7d697d16de15a8f704db1e6e4a8d3d7316c784d45716cffc

SHA1

  • 794f336035984878830618d9df20e7fd733dc6ba

Remediation

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