Analysis
- max time kernel
136s - max time network
139s - platform
windows10-2004_x64 - resource
win10v2004-en-20220113 - submitted
06/03/2022, 12:31
General
- Target bilds.exe
- Size 913KB
- Sample220306-pp2qeaccam
- SHA256 32f8a09555626bf7f6fd52a4b98df62bad118c30f9e1b49269db497961cc7cd9
Malware Config
Extracted
-
blackguard
-
https://api.telegram.org/bot1840568117:AAGlvKQeSfXkObSE7__yYc5jM9o8qSrkFUw/sendMessage?chat_id=1039923904
Signatures
- 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 3 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
- Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
- Suspicious behavior: EnumeratesProcesses 64 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\bilds.exe"C:\Users\Admin\AppData\Local\Temp\bilds.exe"1⤵
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/608-130-0x0000000000730000-0x0000000000818000-memory.dmp
memory/608-131-0x0000000074DF0000-0x00000000755A0000-memory.dmp
memory/608-132-0x0000000005150000-0x00000000051B6000-memory.dmp
memory/608-133-0x0000000005250000-0x0000000005251000-memory.dmp
memory/608-134-0x0000000005E20000-0x0000000005EB2000-memory.dmp
memory/608-135-0x0000000006470000-0x0000000006A14000-memory.dmp