Analysis
- max time kernel
184s - max time network
195s - platform
windows10-2004_x64 - resource
win10v2004-20231215-en - resource tags
- submitted
29/12/2023, 22:54
General
- Target 063adc7edd5785637dff0fe0a606c36b.exe
- Size 1.7MB
- Sample231229-2vxpvschc4
- SHA256 3ef9b22bb2941ee55af25105b87c675ef1bf6acf8928b339e36e5da08958e852
Malware Config
Extracted
-
blackguard
-
https://api.telegram.org/bot1932930596:AAGkiZTh1w6VZfvuopWYz6JzBbBOSRI3Ja4/sendMessage?chat_id=1089147415
Signatures
- 44Caliber
An open source infostealer written in C#.
- BlackGuard
Infostealer first seen in Late 2021.
- 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 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
- Suspicious use of NtSetInformationThreadHideFromDebugger 14 IoCs
- 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 SetWindowsHookEx 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\063adc7edd5785637dff0fe0a606c36b.exe"C:\Users\Admin\AppData\Local\Temp\063adc7edd5785637dff0fe0a606c36b.exe"1⤵
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
Bookmarks.txt
Process.txt
Process.txt
Process.txt
memory/2568-4-0x0000000005F20000-0x0000000005F30000-memory.dmp
memory/2568-2-0x0000000074B20000-0x00000000752D0000-memory.dmp
memory/2568-41-0x0000000005F20000-0x0000000005F30000-memory.dmp
memory/2568-42-0x0000000006DF0000-0x0000000006E82000-memory.dmp
memory/2568-43-0x0000000007440000-0x00000000079E4000-memory.dmp
memory/2568-0-0x0000000000200000-0x00000000006E2000-memory.dmp
memory/2568-3-0x0000000000200000-0x00000000006E2000-memory.dmp
memory/2568-40-0x0000000074B20000-0x00000000752D0000-memory.dmp
memory/2568-1-0x0000000000200000-0x00000000006E2000-memory.dmp
memory/2568-135-0x00000000073B0000-0x0000000007416000-memory.dmp
memory/2568-150-0x00000000014B0000-0x00000000014BA000-memory.dmp
memory/2568-151-0x00000000014C0000-0x00000000014C8000-memory.dmp
memory/2568-152-0x0000000001520000-0x0000000001542000-memory.dmp
memory/2568-153-0x0000000008240000-0x0000000008594000-memory.dmp