Analysis
- max time kernel
35s - max time network
39s - platform
windows10-2004_x64 - resource
win10v2004-20230915-en - resource tags
- submitted
20/10/2023, 03:41
General
- Target v2.exe
- Size 271KB
- Sample231020-d83w2afb98
- SHA256 b0ef37465f4bfd44ac7f62e3e0243788bbfeb437e485df5b85e17c9d1ee3b7fb
Malware Config
Extracted
-
blackguard
-
https://api.telegram.org/bot6354695103:AAHubIE_CU7KQ2I2dTWhfqBUvp-pN_3WX8s/sendMessage?chat_id=6277797798
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 1008 -s 22842⤵
- Program crash
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 1008 -ip 10081⤵
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
Bookmarks.txt
Process.txt
Process.txt
Process.txt
memory/1008-0-0x00000000000D0000-0x000000000011A000-memory.dmp
memory/1008-1-0x0000000074F00000-0x00000000756B0000-memory.dmp
memory/1008-2-0x0000000004A20000-0x0000000004A30000-memory.dmp
memory/1008-3-0x00000000054D0000-0x0000000005562000-memory.dmp
memory/1008-50-0x0000000005E00000-0x0000000005FC2000-memory.dmp
memory/1008-51-0x0000000006580000-0x0000000006B24000-memory.dmp
memory/1008-135-0x00000000063C0000-0x0000000006426000-memory.dmp
memory/1008-136-0x0000000074F00000-0x00000000756B0000-memory.dmp