Default Account Usage

Analysis Detection

ATT&CK techniques

Persistence

Recon
Resource Dev
Initial Access
Execution
Persistence
- T1136Create Account
- T1136.001Local Account
Priv Esc
Defense Evasion
Cred Access
Discovery
Lateral Movement
Collection
C2
Exfiltration
Impact

What it detects

Threat actor (APT35) created user, enabled it, set password, add to admins and remote desktop users.

Reporting behind it

thedfirreport.comhttps://thedfirreport.com/2022/03/21/apt35-automates-initial-access-using-proxyshell/

Related detections9 linkedT1136.001 — drag to rearrange

Possible Unauthenticated Admin Creation in Dynamicweb CVE-2022-25369

Malicious Dynamicweb Unauthenticated Administrator Creation via Setup Default.aspx (via webserver)

Suspicious Hidden Backdoor Account Creation Ending With Dollar Sign (via process_creation)

Renamed User Account Creation Disguised in a Computer Account (via security)

Malicious Fortinet APT Group Abuse on Windows - User (via security)

Malicious User Account Created by a Computer Account (via security)

Malicious User Creation via Commandline (via process_creation)

Suspicious Local Account Creation and Privileged Group Addition via Net.EXE (via process_creation)

Suspicious Hidden Local Account Creation via Dscl (via process_creation)

Default Account Usage

Pivot detection · T1136.001 · 9 related

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