Analysis
- user interaction
yes - max time kernel
149s - max time network
94s - platform
windows11-21h2_x64 - resource
win11-20260130-en - resource tags
- submitted
17/03/2026, 08:36
General
- Target VegaStealer.exe
- Size 4.1MB
- Sample260317-khsrpsft4p
- SHA256 359ece182ef354b14376ddbfd85ffdb8fae57cdbbabeff580976aff8d24b87f3
Malware Config
Extracted
-
sharpstealer
-
https://api.telegram.org/bot7402255420:AAEl2oAVEEaNsC-QBK_LQfafzsOavP5ke_I/sendMessage?chat_id=5591299539
-
max_exfil_filesize
1.5e+06
-
proxy_port
168.235.103.57:3128
-
vime_world
false
Signatures
- Sharp Stealer
Sharp Stealer is an infostealer first observed in 2024, based on Echelon and Umbral stealers.
- Sharpstealer family
- Executes dropped EXE 1 IoCs
- Loads dropped DLL 1 IoCs
- 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 5 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
- Browser Information Discovery 1 TTPs
Enumerate browser information.
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- System Location Discovery: System Language Discovery 1 TTPs 1 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
- Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
- Suspicious behavior: EnumeratesProcesses 2 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of WriteProcessMemory 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\VegaStealer.exe"C:\Users\Admin\AppData\Local\Temp\VegaStealer.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\windows.exe"C:\Users\Admin\AppData\Local\Temp\windows.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
Network
MITRE ATT&CK Enterprise v16
Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
2Credentials In Files
2Replay Monitor
Loading Replay Monitor...
Downloads
475e7533-973e-4364-b209-192b0726354a
BouncyCastle.Crypto.dll
Newtonsoft.Json.dll
SQLite.Interop.dll
System.Data.SQLite.dll
tmp4AA.tmp.dat
tmp4AE.tmp.dat
windows.exe
Process.txt
memory/348-68-0x00000275E45C0000-0x00000275E4626000-memory.dmp
memory/348-75-0x00000275E44C0000-0x00000275E44FA000-memory.dmp
memory/348-65-0x00000275E4340000-0x00000275E4390000-memory.dmp
memory/348-71-0x00000275E4960000-0x00000275E4C8E000-memory.dmp
memory/348-64-0x00000275E4500000-0x00000275E45B2000-memory.dmp
memory/348-62-0x00000275E43C0000-0x00000275E4436000-memory.dmp
memory/348-76-0x00000275E3E60000-0x00000275E3E86000-memory.dmp
memory/348-66-0x00000275E3E90000-0x00000275E3EB2000-memory.dmp
memory/348-21-0x00000275E3EE0000-0x00000275E3EF0000-memory.dmp
memory/348-20-0x00000275C9910000-0x00000275C997A000-memory.dmp
memory/348-161-0x00000275E73C0000-0x00000275E7582000-memory.dmp
memory/348-168-0x00000275E4480000-0x00000275E449E000-memory.dmp
memory/348-170-0x00000275C9DA0000-0x00000275C9DAC000-memory.dmp
memory/348-171-0x00000275C9E00000-0x00000275C9E12000-memory.dmp