Analysis
- max time kernel
361s - max time network
362s - platform
windows7_x64 - resource
win7-20231129-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.
- Executes dropped EXE 1 IoCs
- Loads dropped DLL 8 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 4 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.
- Modifies system certificate store 2 TTPs 4 IoCs
- Suspicious behavior: EnumeratesProcesses 4 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of WriteProcessMemory 4 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\Domashka.exe"C:\Users\Admin\AppData\Local\Temp\Domashka.exe"1⤵
- Loads dropped DLL
- 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
- Modifies system certificate store
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
v2.exe
v2.exe
Newtonsoft.Json.dll
memory/2568-26-0x0000000000F00000-0x0000000000F4A000-memory.dmp
memory/2568-27-0x0000000074A90000-0x000000007517E000-memory.dmp
memory/2568-28-0x0000000000CD0000-0x0000000000D10000-memory.dmp
memory/2568-68-0x0000000005080000-0x00000000050E8000-memory.dmp
memory/2568-73-0x0000000000CB0000-0x0000000000CD0000-memory.dmp
memory/2568-37-0x0000000004FE0000-0x0000000005072000-memory.dmp
memory/2568-93-0x0000000074A90000-0x000000007517E000-memory.dmp
memory/2568-94-0x0000000000CD0000-0x0000000000D10000-memory.dmp
memory/2568-123-0x0000000074A90000-0x000000007517E000-memory.dmp