Analysis
- max time kernel
124s - max time network
125s - platform
windows11-21h2_x64 - resource
win11-20240426-en - resource tags
- submitted
07/05/2024, 00:05
General
- Target 2fee074a785a5887aa388d72e7691f71d7a185a70ac41a976cd763def89fda57.exe
- Size 450KB
- Sample240507-addf4scd59
- SHA256 2fee074a785a5887aa388d72e7691f71d7a185a70ac41a976cd763def89fda57
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 2 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 25 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\2fee074a785a5887aa388d72e7691f71d7a185a70ac41a976cd763def89fda57.exe"C:\Users\Admin\AppData\Local\Temp\2fee074a785a5887aa388d72e7691f71d7a185a70ac41a976cd763def89fda57.exe"1⤵
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\u37g.0.exe"C:\Users\Admin\AppData\Local\Temp\u37g.0.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4296 -s 21083⤵
- Program crash
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-
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C:\Users\Admin\AppData\Local\Temp\u37g.1.exe"C:\Users\Admin\AppData\Local\Temp\u37g.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
-
-
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4156 -s 9762⤵
- Program crash
-
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 4156 -ip 41561⤵
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 492 -p 4296 -ip 42961⤵
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
Are.docx
mozglue.dll
nss3.dll
ioloDMLog.txt
u37g.0.exe
u37g.1.exe
memory/452-138-0x0000025B60020000-0x0000025B6002C000-memory.dmp
memory/452-153-0x0000025B64760000-0x0000025B64798000-memory.dmp
memory/452-164-0x0000025B64EC0000-0x0000025B64EDE000-memory.dmp
memory/452-163-0x0000025B64F60000-0x0000025B64FD6000-memory.dmp
memory/452-162-0x0000025B64E80000-0x0000025B64E8C000-memory.dmp
memory/452-159-0x0000025B65680000-0x0000025B65BA8000-memory.dmp
memory/452-157-0x0000025B650F0000-0x0000025B65152000-memory.dmp
memory/452-158-0x0000025B64E60000-0x0000025B64E82000-memory.dmp
memory/452-156-0x0000025B64E40000-0x0000025B64E4A000-memory.dmp
memory/452-155-0x0000025B64750000-0x0000025B64758000-memory.dmp
memory/452-154-0x0000025B64730000-0x0000025B6473E000-memory.dmp
memory/452-135-0x0000025B41FD0000-0x0000025B45804000-memory.dmp
memory/452-136-0x0000025B5FF10000-0x0000025B6001A000-memory.dmp
memory/452-137-0x0000025B45C90000-0x0000025B45CA0000-memory.dmp
memory/452-152-0x0000025B64E20000-0x0000025B64E28000-memory.dmp
memory/452-139-0x0000025B5FEF0000-0x0000025B5FF04000-memory.dmp
memory/452-140-0x0000025B60080000-0x0000025B600A4000-memory.dmp
memory/452-142-0x0000025B60220000-0x0000025B6024A000-memory.dmp
memory/452-141-0x0000025B60200000-0x0000025B6020A000-memory.dmp
memory/452-143-0x0000025B60250000-0x0000025B60302000-memory.dmp
memory/452-144-0x0000025B60360000-0x0000025B603B0000-memory.dmp
memory/452-145-0x0000025B60330000-0x0000025B60352000-memory.dmp
memory/452-146-0x0000025B47560000-0x0000025B4756A000-memory.dmp
memory/452-150-0x0000025B603B0000-0x0000025B606B0000-memory.dmp
memory/4156-1-0x0000000001D20000-0x0000000001E20000-memory.dmp
memory/4156-3-0x0000000000400000-0x000000000046F000-memory.dmp
memory/4156-2-0x0000000001CB0000-0x0000000001D1C000-memory.dmp
memory/4156-56-0x0000000000400000-0x0000000001A3A000-memory.dmp
memory/4156-63-0x0000000000400000-0x000000000046F000-memory.dmp
memory/4296-31-0x0000000061E00000-0x0000000061EF3000-memory.dmp
memory/4296-121-0x0000000000400000-0x0000000001A17000-memory.dmp
memory/4296-13-0x0000000000400000-0x0000000001A17000-memory.dmp
memory/4296-14-0x0000000000400000-0x0000000001A17000-memory.dmp
memory/4436-134-0x0000000000400000-0x00000000008AD000-memory.dmp
memory/4436-123-0x0000000000400000-0x00000000008AD000-memory.dmp