Analysis
- max time kernel
66s - max time network
72s - platform
windows10-2004_x64 - resource
win10v2004-20240226-en - resource tags
- submitted
28/02/2024, 12:42
General
- Target 1888.exe
- Size 7.7MB
- Sample240228-pxvbasbg9w
- SHA256 d666a3702e6930f132e300b68bc8e46d7d06331d57c72aba4bcd321b551d1d25
Malware Config
Extracted
-
blackguard
-
https://api.telegram.org/bot6747837183:AAH4_PuINm1RMqrnHdnAWiqOF1FZVT_Opkk/sendMessage?chat_id=1158918569
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 SCSI registry key(s) 3 TTPs 3 IoCs
SCSI information is often read in order to detect sandboxing environments.
- Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
- Suspicious behavior: EnumeratesProcesses 36 IoCs
- Suspicious use of AdjustPrivilegeToken 4 IoCs
- Suspicious use of FindShellTrayWindow 43 IoCs
- Suspicious use of SendNotifyMessage 43 IoCs
- Suspicious use of WriteProcessMemory 3 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\1888.exe"C:\Users\Admin\AppData\Local\Temp\1888.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
-
-
C:\Windows\system32\taskmgr.exe"C:\Windows\system32\taskmgr.exe" /41⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
Newtonsoft.Json.dll
SQLite.Interop.dll
System.Data.SQLite.dll
v2.exe
Bookmarks.txt
Process.txt
memory/468-202-0x00000187B5630000-0x00000187B5631000-memory.dmp
memory/468-203-0x00000187B5630000-0x00000187B5631000-memory.dmp
memory/468-214-0x00000187B5630000-0x00000187B5631000-memory.dmp
memory/468-212-0x00000187B5630000-0x00000187B5631000-memory.dmp
memory/468-213-0x00000187B5630000-0x00000187B5631000-memory.dmp
memory/468-210-0x00000187B5630000-0x00000187B5631000-memory.dmp
memory/468-211-0x00000187B5630000-0x00000187B5631000-memory.dmp
memory/468-208-0x00000187B5630000-0x00000187B5631000-memory.dmp
memory/468-209-0x00000187B5630000-0x00000187B5631000-memory.dmp
memory/468-204-0x00000187B5630000-0x00000187B5631000-memory.dmp
memory/1576-90-0x00000000060E0000-0x000000000612C000-memory.dmp
memory/1576-96-0x00000000070B0000-0x00000000070D1000-memory.dmp
memory/1576-102-0x0000000008000000-0x00000000081C2000-memory.dmp
memory/1576-31-0x0000000000DC0000-0x0000000000E0A000-memory.dmp
memory/1576-196-0x0000000006510000-0x0000000006576000-memory.dmp
memory/1576-197-0x0000000008300000-0x0000000008376000-memory.dmp
memory/1576-198-0x00000000065C0000-0x00000000065DE000-memory.dmp
memory/1576-201-0x00000000751E0000-0x0000000075990000-memory.dmp
memory/1576-30-0x00000000751E0000-0x0000000075990000-memory.dmp
memory/1576-101-0x0000000008390000-0x0000000008934000-memory.dmp
memory/1576-95-0x00000000070F0000-0x000000000712C000-memory.dmp
memory/1576-32-0x0000000005750000-0x0000000005760000-memory.dmp
memory/1576-83-0x0000000005A10000-0x0000000005A60000-memory.dmp
memory/1576-89-0x0000000006950000-0x0000000006CA4000-memory.dmp
memory/1576-88-0x0000000005CA0000-0x0000000005D08000-memory.dmp
memory/1576-33-0x0000000006470000-0x0000000006502000-memory.dmp
memory/1576-84-0x0000000005790000-0x00000000057B2000-memory.dmp
memory/1576-46-0x00000000067B0000-0x0000000006842000-memory.dmp