Introduction
Silence is a financially motivated threat actor targeting financial institutions in different countries. The group was first seen in June 2016. Their main targets reside in Russia, Ukraine, Belarus, Azerbaijan, Poland and Kazakhstan. They compromised various banking systems, including the Russian Central Bank’s Automated Workstation Client, ATMs, and card processing. Cyber Forensicator Silence Jan 2019 SecureList Silence Nov 2017
Activities and Tactics
Information pending cataloguing.
Notable Campaigns
Information pending cataloguing.
Tactics, Techniques, and Procedures (TTPs)
- T1571 Non-Standard Port
- T1053.005 Scheduled Task
- T1055 Process Injection
- T1547.001 Registry Run Keys / Startup Folder
- T1059.005 Visual Basic
- T1112 Modify Registry
- T1021.001 Remote Desktop Protocol
- T1125 Video Capture
- T1059.007 JavaScript
- T1218.001 Compiled HTML File
- T1072 Software Deployment Tools
- T1113 Screen Capture
- T1027.010 Command Obfuscation
- T1569.002 Service Execution
- T1090.002 External Proxy
- T1553.002 Code Signing
- T1105 Ingress Tool Transfer
- T1078 Valid Accounts
- T1018 Remote System Discovery
- T1003.001 LSASS Memory
- T1059.001 PowerShell
- T1588.002 Tool
- T1070.004 File Deletion
- T1566.001 Spearphishing Attachment
- T1036.005 Match Legitimate Resource Name or Location
- T1204.002 Malicious File
- T1059.003 Windows Command Shell
- T1106 Native API
ATT&CK technique IDs (denormalized)
- T1003.001
- T1018
- T1021.001
- T1027.010
- T1036.005
- T1053.005
- T1055
- T1059.001
- T1059.003
- T1059.005
- T1059.007
- T1070.004
- T1072
- T1078
- T1090.002
- T1105
- T1106
- T1112
- T1113
- T1125
- T1204.002
- T1218.001
- T1547.001
- T1553.002
- T1566.001
- T1569.002
- T1571
- T1588.002
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
MITRE ATT&CK Software
Attribution and Evidence
Information pending cataloguing.
References
[1] mitre-attack [4] Crowdstrike GTR2020 Mar 2020 Crowdstrike. (2020, March 2). 2020 Global Threat Report. Retrieved December 11, 2020. [5] SecureList Silence Nov 2017 GReAT. (2017, November 1). Silence – a new Trojan attacking financial organizations. Retrieved May 24, 2019. [6] Cyber Forensicator Silence Jan 2019 Skulkin, O.. (2019, January 20). Silence: Dissecting Malicious CHM Files and Performing Forensic Analysis. Retrieved November 17, 2024.