Analysis
- max time kernel
150s - max time network
149s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
- submitted
20/10/2026, 00:23
General
- Target 2026-10-19_f306306ce5dd49aaee6b6cfb05dcbcd5_cobalt-strike_icedid.exe
- Size 3.1MB
- Sample261020-aps1yaaz6s
- SHA256 b12520e285832c365c7c9a8ee35b3254073f6c420c94a87d591d3eb2b0d0ca92
Malware Config
Extracted
-
onyxc2
-
flyfileclouddd.click
-
port
443
-
url_path
/NQsPERpH/backend/api/app.php
Signatures
- Family: OnyxC2
OnyxC2 is a Windows backdoor written in C++.
- Detects executables containing SQL queries to confidential data stores. Observed in infostealers 14 IoCs
- Reads the TCP/IP host and domain name from the registry 1 TTPs 2 IoCs
The configured hostname and DNS domain identify the machine and are commonly collected to profile a host before it reports in.
- Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-10-19_f306306ce5dd49aaee6b6cfb05dcbcd5_cobalt-strike_icedid.exe"C:\Users\Admin\AppData\Local\Temp\2026-10-19_f306306ce5dd49aaee6b6cfb05dcbcd5_cobalt-strike_icedid.exe"1⤵
- Reads the TCP/IP host and domain name from the registry
- Checks processor information in registry
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
memory/5600-0-0x0000000180000000-0x000000018030C000-memory.dmp
memory/5600-8-0x0000000180000000-0x000000018030C000-memory.dmp
memory/5600-7-0x0000000180000000-0x000000018030C000-memory.dmp
memory/5600-10-0x0000000180000000-0x000000018030C000-memory.dmp
memory/5600-9-0x0000000180000000-0x000000018030C000-memory.dmp
memory/5600-11-0x0000000180000000-0x000000018030C000-memory.dmp
memory/5600-12-0x0000000180000000-0x000000018030C000-memory.dmp
memory/5600-16-0x0000000180000000-0x000000018030C000-memory.dmp
memory/5600-18-0x0000000180000000-0x000000018030C000-memory.dmp
memory/5600-15-0x0000000180000000-0x000000018030C000-memory.dmp
memory/5600-14-0x0000000180000000-0x000000018030C000-memory.dmp
memory/5600-19-0x0000000180000000-0x000000018030C000-memory.dmp
memory/5600-17-0x0000000180000000-0x000000018030C000-memory.dmp
memory/5600-13-0x0000000180000000-0x000000018030C000-memory.dmp