Resubmissions
09/08/2024, 14:50
240809-r7sxbssalp09/08/2024, 14:35
240809-rx9r4awakb1009/08/2024, 14:34
240809-rxj7fawajg10Analysis
- max time kernel
141s - max time network
142s - platform
windows10-2004_x64 - resource
win10v2004-20240802-en - resource tags
- submitted
09/08/2024, 14:34
General
- Target SolaraBootstrapper.exe
- Size 303KB
- Sample240809-rxj7fawajg
- SHA256 12a8d265fe2c0fb139d2dc9994ebdfaf7aea93a2ecc18dc4e132f1a04d36eda6
Score
10/10
Malware Config
Extracted
Family
-
44caliber
C2
-
https://discord.com/api/webhooks/1256365156401680444/Q4ybvTW8-P8cHM7v5CKOThKUJqTZ4f03jPUNC4To8TouPRnWl442RcsKLBOptm6uvg63
Signatures
- 44Caliber
An open source infostealer written in C#.
- Credentials from Password Stores: Credentials from Web Browsers 1 TTPs
Malicious Access or copy of Web Browser Credential store.
- 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.
- Suspicious behavior: EnumeratesProcesses 3 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\SolaraBootstrapper.exe"C:\Users\Admin\AppData\Local\Temp\SolaraBootstrapper.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
memory/1992-0-0x0000026AE9820000-0x0000026AE9872000-memory.dmp
memory/1992-1-0x00007FFACED13000-0x00007FFACED15000-memory.dmp
memory/1992-17-0x00007FFACED10000-0x00007FFACF7D1000-memory.dmp
memory/1992-32-0x00007FFACED10000-0x00007FFACF7D1000-memory.dmp