Silence group

Also known as: Silence, WHISPER SPIDER, Silence group, Silence Group

a relatively new threat actor that’s been operating since mid-2016 Group-IB has exposed the attacks committed by Silence cybercriminal group. While the gang had previously targeted Russian banks, Group-IB experts also have discovered evidence of the group’s activity in more than 25 countries worldwide. Group-IB has published its first detailed report on tactics and tools employed by Silence. Group-IB security analysts’ hypothesis is that at least one of the gang members appears to be a former or current employee of a cyber security company. The confirmed damage from Silence activity is estimated at 800 000 USD. Silence is a group of Russian-speaking hackers, based on their commands language, the location of infrastructure they used, and the geography of their targets (Russia, Ukraine, Belarus, Azerbaijan, Poland, and Kazakhstan). Although phishing emails were also sent to bank employees in Central and Western Europe, Africa, and Asia). Furthermore, Silence used Russian words typed on an English keyboard layout for the commands of the employed backdoor. The hackers also used Russian-language web hosting services.

Introduction

a relatively new threat actor that’s been operating since mid-2016 Group-IB has exposed the attacks committed by Silence cybercriminal group. While the gang had previously targeted Russian banks, Group-IB experts also have discovered evidence of the group’s activity in more than 25 countries worldwide. Group-IB has published its first detailed report on tactics and tools employed by Silence. Group-IB security analysts’ hypothesis is that at least one of the gang members appears to be a former or current employee of a cyber security company. The confirmed damage from Silence activity is estimated at 800 000 USD. Silence is a group of Russian-speaking hackers, based on their commands language, the location of infrastructure they used, and the geography of their targets (Russia, Ukraine, Belarus, Azerbaijan, Poland, and Kazakhstan). Although phishing emails were also sent to bank employees in Central and Western Europe, Africa, and Asia). Furthermore, Silence used Russian words typed on an English keyboard layout for the commands of the employed backdoor. The hackers also used Russian-language web hosting services.

Activities and Tactics

Information pending cataloguing.

Notable Campaigns

Information pending cataloguing.

Tactics, Techniques, and Procedures (TTPs)

Information pending cataloguing.

Notable Indicators of Compromise (IOCs)

No curated IOCs are currently published for this actor. This section will be updated when stable, attributable indicators are available.

Malware and Tools

  • Backdoor.Oldrea
  • S-Type
  • CyberGate
  • Cyber Eye RAT
  • Xpert
  • GraphicBooting
  • Malicious CHM files:
  • Truebot:

Attribution and Evidence

Information pending cataloguing.

References

References pending cataloguing.