Analysis
- max time kernel
21s - max time network
81s - platform
windows10-2004_x64 - resource
win10v2004-20231215-en - resource tags
- submitted
28/12/2023, 17:24
General
- Target ebc6d55a45996861c5a84937d2a990da.exe
- Size 275KB
- Sample231228-vynsssdgf4
- SHA256 42f1065841dc77643d3a3c33fb40de4c2931e3a4d15d9802fff0a194c821ea2b
Malware Config
Extracted
-
44caliber
-
https://discord.com/api/webhooks/869968115126128690/9HuocC8P0OFpxwEHR7UGW0ZtseqV8b95oQ9ExN0rHkwTjipAQLrkOqPzDiDXxXky3kUL
Signatures
- 44Caliber
An open source infostealer written in C#.
- Reads user/profile data of web browsers 2 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 5 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\ebc6d55a45996861c5a84937d2a990da.exe"C:\Users\Admin\AppData\Local\Temp\ebc6d55a45996861c5a84937d2a990da.exe"1⤵
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
Process.txt
Process.txt
Process.txt
memory/1924-0-0x0000000000980000-0x00000000009CC000-memory.dmp
memory/1924-22-0x00007FFDAC0B0000-0x00007FFDACB71000-memory.dmp
memory/1924-31-0x000000001B6D0000-0x000000001B6E0000-memory.dmp
memory/1924-32-0x00007FFDAC0B0000-0x00007FFDACB71000-memory.dmp
memory/1924-130-0x00007FFDAC0B0000-0x00007FFDACB71000-memory.dmp