Malware: Kerrdown

Description

[Kerrdown](https://attack.mitre.org/software/S0585) is a custom downloader that has been used by [APT32](https://attack.mitre.org/groups/G0050) since at least 2018 to install spyware from a server on the victim's network.(Citation: Amnesty Intl. Ocean Lotus February 2021)(Citation: Unit 42 KerrDown February 2019)

External References

• mitre-attack
• Amnesty Intl. Ocean Lotus February 2021
• Unit 42 KerrDown February 2019

Techniques Used by This Malware

• T1027.013 — Encrypted/Encoded File
• T1027.015 — Compression
• T1059.005 — Visual Basic
• T1082 — System Information Discovery
• T1105 — Ingress Tool Transfer
• T1140 — Deobfuscate/Decode Files or Information
• T1204.001 — Malicious Link
• T1204.002 — Malicious File
• T1566.001 — Spearphishing Attachment
• T1566.002 — Spearphishing Link
• T1574.001 — DLL

APT Groups Using This Malware

• APT32