Analysis
- max time kernel
146s - max time network
151s - platform
windows11-21h2_x64 - resource
win11-20240426-en - resource tags
- submitted
11/05/2024, 00:22
General
- Target 6d55ceb63d5c42b83b950810b2d32965ffe698af5ffc84f695ee16ac29e4ff13.exe
- Size 387KB
- Sample240511-apbfwsad8w
- SHA256 6d55ceb63d5c42b83b950810b2d32965ffe698af5ffc84f695ee16ac29e4ff13
Malware Config
Extracted
-
stealc
-
http://185.172.128.150
-
url_path
/c698e1bc8a2f5e6d.php
Signatures
- Detect ZGRat V1 3 IoCs
- Stealc
Stealc is an infostealer written in C++.
- ZGRat
ZGRat is remote access trojan written in C#.
- Downloads MZ/PE file
- Executes dropped EXE 2 IoCs
- Loads dropped DLL 2 IoCs
- Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
- 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
- Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Program crash 1 IoCs
- Checks SCSI registry key(s) 3 TTPs 3 IoCs
SCSI information is often read in order to detect sandboxing environments.
- Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
- Suspicious behavior: EnumeratesProcesses 23 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of FindShellTrayWindow 7 IoCs
- Suspicious use of SendNotifyMessage 7 IoCs
- Suspicious use of WriteProcessMemory 8 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\6d55ceb63d5c42b83b950810b2d32965ffe698af5ffc84f695ee16ac29e4ff13.exe"C:\Users\Admin\AppData\Local\Temp\6d55ceb63d5c42b83b950810b2d32965ffe698af5ffc84f695ee16ac29e4ff13.exe"1⤵
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\u2kc.0.exe"C:\Users\Admin\AppData\Local\Temp\u2kc.0.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
-
-
C:\Users\Admin\AppData\Local\Temp\u2kc.1.exe"C:\Users\Admin\AppData\Local\Temp\u2kc.1.exe"2⤵
- Executes dropped EXE
- Checks SCSI registry key(s)
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\iolo\dm\SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe"C:\Users\Admin\AppData\Local\Temp\iolo\dm\SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe" /eieci=11A12794-499E-4FA0-A281-A9A9AA8B2685 /eipi=5488CB36-BE62-4606-B07B-2EE938868BD13⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3324 -s 15122⤵
- Program crash
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 3324 -ip 33241⤵
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
Are.docx
mozglue.dll
nss3.dll
u2kc.0.exe
u2kc.1.exe
memory/2344-124-0x0000000000400000-0x00000000008AD000-memory.dmp
memory/2344-127-0x0000000000400000-0x00000000008AD000-memory.dmp
memory/3216-34-0x0000000061E00000-0x0000000061EF3000-memory.dmp
memory/3216-114-0x0000000000400000-0x0000000002579000-memory.dmp
memory/3216-174-0x0000000000400000-0x0000000002579000-memory.dmp
memory/3324-27-0x0000000002810000-0x000000000287C000-memory.dmp
memory/3324-26-0x0000000000400000-0x000000000259D000-memory.dmp
memory/3324-28-0x0000000000400000-0x000000000046F000-memory.dmp
memory/3324-3-0x0000000000400000-0x000000000046F000-memory.dmp
memory/3324-1-0x0000000002880000-0x0000000002980000-memory.dmp
memory/3324-2-0x0000000002810000-0x000000000287C000-memory.dmp
memory/4668-136-0x0000015E223C0000-0x0000015E22472000-memory.dmp
memory/4668-146-0x0000015E26AE0000-0x0000015E26B18000-memory.dmp
memory/4668-132-0x0000015E09790000-0x0000015E097A4000-memory.dmp
memory/4668-133-0x0000015E21ED0000-0x0000015E21EF4000-memory.dmp
memory/4668-130-0x0000015E09780000-0x0000015E09790000-memory.dmp
memory/4668-135-0x0000015E21F30000-0x0000015E21F5A000-memory.dmp
memory/4668-134-0x0000015E21F00000-0x0000015E21F0A000-memory.dmp
memory/4668-137-0x0000015E22720000-0x0000015E22770000-memory.dmp
memory/4668-138-0x0000015E220A0000-0x0000015E220C2000-memory.dmp
memory/4668-139-0x0000015E095A0000-0x0000015E095AA000-memory.dmp
memory/4668-143-0x0000015E22770000-0x0000015E22A70000-memory.dmp
memory/4668-145-0x0000015E26B60000-0x0000015E26B68000-memory.dmp
memory/4668-147-0x0000015E26AB0000-0x0000015E26ABE000-memory.dmp
memory/4668-131-0x0000015E097A0000-0x0000015E097AC000-memory.dmp
memory/4668-148-0x0000015E26AD0000-0x0000015E26AD8000-memory.dmp
memory/4668-150-0x0000015E27430000-0x0000015E27492000-memory.dmp
memory/4668-149-0x0000015E27180000-0x0000015E2718A000-memory.dmp
memory/4668-151-0x0000015E271A0000-0x0000015E271C2000-memory.dmp
memory/4668-152-0x0000015E279C0000-0x0000015E27EE8000-memory.dmp
memory/4668-155-0x0000015E271C0000-0x0000015E271CC000-memory.dmp
memory/4668-156-0x0000015E272A0000-0x0000015E27316000-memory.dmp
memory/4668-157-0x0000015E27200000-0x0000015E2721E000-memory.dmp
memory/4668-168-0x0000015E22200000-0x0000015E223B3000-memory.dmp
memory/4668-129-0x0000015E224C0000-0x0000015E225CA000-memory.dmp
memory/4668-128-0x0000015E04150000-0x0000015E07984000-memory.dmp