Analysis
- max time kernel
539s - max time network
541s - platform
windows10-2004_x64 - resource
win10v2004-20231215-en - resource tags
- submitted
02/01/2024, 23:31
General
- Target Domashka.exe
- Size 7.7MB
- Sample240102-3hxd1aedb9
- SHA256 bb5d7edc909a7ea29836a501dddd5244d33d342ec6f75c1cf201f14ed55802ac
Malware Config
Extracted
-
blackguard
-
https://api.telegram.org/bot6694446290:AAHhatGdMQTZc2j8T6IAfes0OfC6QMBYYSg/sendMessage?chat_id=6485360129
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 5 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 3 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\Domashka.exe"C:\Users\Admin\AppData\Local\Temp\Domashka.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\v2.exe"C:\Users\Admin\AppData\Local\Temp\v2.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
Newtonsoft.Json.dll
Newtonsoft.Json.dll
v2.exe
v2.exe
memory/5080-36-0x0000000005150000-0x00000000051E2000-memory.dmp
memory/5080-89-0x0000000006230000-0x0000000006584000-memory.dmp
memory/5080-84-0x0000000004F30000-0x0000000004F52000-memory.dmp
memory/5080-32-0x0000000004DE0000-0x0000000004DF0000-memory.dmp
memory/5080-88-0x00000000061C0000-0x0000000006228000-memory.dmp
memory/5080-90-0x0000000005910000-0x000000000595C000-memory.dmp
memory/5080-96-0x0000000006150000-0x0000000006171000-memory.dmp
memory/5080-101-0x0000000007600000-0x00000000077C2000-memory.dmp
memory/5080-95-0x0000000006590000-0x00000000065CC000-memory.dmp
memory/5080-83-0x0000000005960000-0x00000000059B0000-memory.dmp
memory/5080-31-0x00000000748A0000-0x0000000075050000-memory.dmp
memory/5080-30-0x00000000003A0000-0x00000000003EA000-memory.dmp
memory/5080-53-0x00000000059B0000-0x0000000005A42000-memory.dmp
memory/5080-105-0x0000000007D80000-0x0000000008324000-memory.dmp
memory/5080-197-0x0000000007530000-0x0000000007596000-memory.dmp
memory/5080-198-0x00000000078D0000-0x0000000007946000-memory.dmp
memory/5080-199-0x00000000075A0000-0x00000000075BE000-memory.dmp
memory/5080-202-0x00000000748A0000-0x0000000075050000-memory.dmp