Analysis
- max time kernel
168s - max time network
170s - platform
windows10-2004_x64 - resource
win10v2004-20230915-en - resource tags
- submitted
11/10/2023, 23:00
General
- Target VegaStealer_v1.bin.exe
- Size 6.7MB
- Sample231011-2yyfkacf35
- SHA256 c59fdd5b90add682937cc8dfccfb84d460ea9f14c3dc9df895a0b8596877fb16
Malware Config
Signatures
- BlackGuard
Infostealer first seen in Late 2021.
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- Executes dropped EXE 1 IoCs
- Loads dropped DLL 1 IoCs
- 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 3 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- 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
- Suspicious use of WriteProcessMemory 2 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\VegaStealer_v1.bin.exe"C:\Users\Admin\AppData\Local\Temp\VegaStealer_v1.bin.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\v1.exe"C:\Users\Admin\AppData\Local\Temp\v1.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 v15
Replay Monitor
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Downloads
Process.txt
Process.txt
Process.txt
SQLite.Interop.dll
SQLite.Interop.dll
v1.exe
v1.exe
v1.exe
memory/3880-19-0x000001E353B20000-0x000001E353BD2000-memory.dmp
memory/3880-21-0x000001E33B400000-0x000001E33B422000-memory.dmp
memory/3880-23-0x000001E353D10000-0x000001E353D20000-memory.dmp
memory/3880-24-0x000001E33B3E0000-0x000001E33B3FE000-memory.dmp
memory/3880-25-0x000001E353C50000-0x000001E353CAA000-memory.dmp
memory/3880-26-0x000001E353CD0000-0x000001E353CEA000-memory.dmp
memory/3880-31-0x000001E3544B0000-0x000001E354516000-memory.dmp
memory/3880-33-0x000001E354570000-0x000001E3545C0000-memory.dmp
memory/3880-62-0x000001E3545C0000-0x000001E3548EE000-memory.dmp
memory/3880-22-0x00007FF96AAC0000-0x00007FF96B581000-memory.dmp
memory/3880-20-0x000001E353BD0000-0x000001E353C46000-memory.dmp
memory/3880-68-0x000001E3548F0000-0x000001E354916000-memory.dmp
memory/3880-67-0x000001E354930000-0x000001E35496A000-memory.dmp
memory/3880-73-0x000001E355740000-0x000001E355902000-memory.dmp
memory/3880-77-0x000001E353D10000-0x000001E353D20000-memory.dmp
memory/3880-17-0x00007FF96AAC0000-0x00007FF96B581000-memory.dmp
memory/3880-18-0x000001E353D10000-0x000001E353D20000-memory.dmp
memory/3880-16-0x000001E3391D0000-0x000001E339668000-memory.dmp
memory/3880-170-0x00007FF96AAC0000-0x00007FF96B581000-memory.dmp