Malware: ZxxZ

Description

[ZxxZ](https://attack.mitre.org/software/S1013) is a trojan written in Visual C++ that has been used by [BITTER](https://attack.mitre.org/groups/G1002) since at least August 2021, including against Bangladeshi government personnel.(Citation: Cisco Talos Bitter Bangladesh May 2022)

External References

• mitre-attack
• Cisco Talos Bitter Bangladesh May 2022

Techniques Used by This Malware

• T1005 — Data from Local System
• T1012 — Query Registry
• T1027.013 — Encrypted/Encoded File
• T1033 — System Owner/User Discovery
• T1036.004 — Masquerade Task or Service
• T1053.005 — Scheduled Task
• T1057 — Process Discovery
• T1082 — System Information Discovery
• T1105 — Ingress Tool Transfer
• T1106 — Native API
• T1140 — Deobfuscate/Decode Files or Information
• T1204.002 — Malicious File
• T1518.001 — Security Software Discovery
• T1566.001 — Spearphishing Attachment

APT Groups Using This Malware

• BITTER