Malware: ServHelper

Description

[ServHelper](https://attack.mitre.org/software/S0382) is a backdoor first observed in late 2018. The backdoor is written in Delphi and is typically delivered as a DLL file.(Citation: Proofpoint TA505 Jan 2019)

External References

• mitre-attack
• Proofpoint TA505 Jan 2019

Techniques Used by This Malware

• T1021.001 — Remote Desktop Protocol
• T1033 — System Owner/User Discovery
• T1036.010 — Masquerade Account Name
• T1053.005 — Scheduled Task
• T1059.001 — PowerShell
• T1059.003 — Windows Command Shell
• T1070.004 — File Deletion
• T1071.001 — Web Protocols
• T1082 — System Information Discovery
• T1098.007 — Additional Local or Domain Groups
• T1105 — Ingress Tool Transfer
• T1136.001 — Local Account
• T1218.011 — Rundll32
• T1547.001 — Registry Run Keys / Startup Folder
• T1573.002 — Asymmetric Cryptography

APT Groups Using This Malware

• TA505