● Malware

ZxxZ

ZxxZ is a trojan written in Visual C++ that has been used by BITTER since at least August 2021, including against Bangladeshi government personnel.

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Indicators tracked

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Connections

15 relationships

T1053.005: Scheduled Task

T1033: System Owner/User Discovery

T1027.013: Encrypted/Encoded File

T1204.002: Malicious File

T1566.001: Spearphishing Attachment

T1082: System Information Discovery

T1106: Native API

T1005: Data from Local System

T1140: Deobfuscate/Decode Files or Information

T1036.004: Masquerade Task or Service

T1057: Process Discovery

T1012: Query Registry

T1518.001: Security Software Discovery

T1105: Ingress Tool Transfer