Analysis
- max time kernel
149s - max time network
151s - platform
windows10-ltsc_2021_x64 - resource
win10ltsc2021-20260126-en - resource tags
- submitted
07/05/2026, 17:16
General
- Target Insidious.exe
- Size 274KB
- Sample260507-vs94vaf13t
- SHA256 e553bbc3bcf34f0a28f69465b6d6718c1737404faa87cff222b1d916ec169661
Score
10/10
Malware Config
Extracted
Family
-
44caliber
C2
-
https://discord.com/api/webhooks/1501995783866679459/X5lKQOe0Cpm5CyPstV9Uvq3vctS783nMljUVG_fYSLLxuPerOBGOmL-d8ufCnh6dZs3A
Signatures
- Family: 44Caliber
An open source infostealer written in C#.
- Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
- Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
- Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
- Suspicious behavior: EnumeratesProcesses 4 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\Insidious.exe"C:\Users\Admin\AppData\Local\Temp\Insidious.exe"1⤵
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
Process.txt
Process.txt
Process.txt
memory/4404-0-0x00000227C54D0000-0x00000227C551A000-memory.dmp
memory/4404-1-0x00000227DFA70000-0x00000227DFA80000-memory.dmp