Analysis
- max time kernel
137s - max time network
141s - platform
windows10-2004_x64 - resource
win10v2004-en-20220113 - submitted
06/03/2022, 12:19
General
- Target cleaner.exe
- Size 2.6MB
- Sample220306-pg6z6aaea9
- SHA256 18db274624914ee6388bda20233db28307be4873bc053e05ad8f6761b217136f
Score
10/10
Malware Config
Extracted
Family
-
blackguard
C2
-
https://api.telegram.org/bot1840568117:AAGlvKQeSfXkObSE7__yYc5jM9o8qSrkFUw/sendMessage?chat_id=1039923904
Signatures
- BlackGuard
Infostealer first seen in Late 2021.
- Downloads MZ/PE file
- Loads dropped DLL 1 IoCs
- Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Legitimate hosting services abused for malware hosting/C2 1 TTPs
- Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
- Program crash 1 IoCs
- Suspicious behavior: EnumeratesProcesses 64 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\cleaner.exe"C:\Users\Admin\AppData\Local\Temp\cleaner.exe"1⤵
- Loads dropped DLL
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
C:\Windows\system32\WerFault.exeC:\Windows\system32\WerFault.exe -u -p 212 -s 22682⤵
- Program crash
-
-
C:\Windows\system32\WerFault.exeC:\Windows\system32\WerFault.exe -pss -s 436 -p 212 -ip 2121⤵
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/212-133-0x000001E3007C0000-0x000001E300A64000-memory.dmp
memory/212-134-0x00007FFC116F0000-0x00007FFC121B1000-memory.dmp
memory/212-135-0x000001E31C580000-0x000001E31C582000-memory.dmp
memory/212-136-0x000001E31EBD0000-0x000001E31EC20000-memory.dmp
memory/212-137-0x000001E31C590000-0x000001E31C5B2000-memory.dmp