Analysis
- max time kernel
275s - max time network
218s - platform
windows10-2004_x64 - resource
win10v2004-20231222-en - resource tags
- submitted
03/01/2024, 12:49
General
- Target v2.exe
- Size 271KB
- Sample240103-p2cbaaffb3
- SHA256 433b73b437ad4dd138d5a6a8cea12a4ff7bf93c2c9dc11844ab635b83638ebb8
Malware Config
Extracted
-
blackguard
-
https://api.telegram.org/bot6694446290:AAHhatGdMQTZc2j8T6IAfes0OfC6QMBYYSg/sendMessage?chat_id=6485360129
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 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
- Program crash 1 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
Processes
-
C:\Users\Admin\AppData\Local\Temp\v2.exe"C:\Users\Admin\AppData\Local\Temp\v2.exe"1⤵
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4996 -s 22882⤵
- Program crash
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 4996 -ip 49961⤵
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
Bookmarks.txt
memory/4996-1-0x0000000074890000-0x0000000075040000-memory.dmp
memory/4996-0-0x0000000000060000-0x00000000000AA000-memory.dmp
memory/4996-2-0x0000000004C20000-0x0000000004C30000-memory.dmp
memory/4996-9-0x0000000005310000-0x00000000053A2000-memory.dmp
memory/4996-51-0x0000000005AC0000-0x0000000005C82000-memory.dmp
memory/4996-52-0x0000000006540000-0x0000000006AE4000-memory.dmp
memory/4996-144-0x0000000006370000-0x00000000063D6000-memory.dmp
memory/4996-145-0x0000000074890000-0x0000000075040000-memory.dmp