Analysis
- max time kernel
127s - max time network
129s - platform
windows11-21h2_x64 - resource
win11-20240221-en - resource tags
- submitted
04/04/2024, 09:28
General
- Target 638938068f39ec914b56f724b09483eb1e54fa84a7a510c42bb1a049d9709e2f.exe
- Size 359KB
- Sample240404-lfktraca26
- SHA256 638938068f39ec914b56f724b09483eb1e54fa84a7a510c42bb1a049d9709e2f
Malware Config
Extracted
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stealc
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http://185.172.128.209
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url_path
/3cd2b41cbde8fc9c.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 3 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.
- Runs ping.exe 1 TTPs 1 IoCs
- 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 20 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\638938068f39ec914b56f724b09483eb1e54fa84a7a510c42bb1a049d9709e2f.exe"C:\Users\Admin\AppData\Local\Temp\638938068f39ec914b56f724b09483eb1e54fa84a7a510c42bb1a049d9709e2f.exe"1⤵
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\u1zg.0.exe"C:\Users\Admin\AppData\Local\Temp\u1zg.0.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\system32\cmd.exe" /c start "" "C:\Users\Admin\AppData\Local\Temp\KJKJJJECFI.exe"3⤵
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\KJKJJJECFI.exe"C:\Users\Admin\AppData\Local\Temp\KJKJJJECFI.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /C ping 2.2.2.2 -n 1 -w 3000 > Nul & Del C:\Users\Admin\AppData\Local\Temp\KJKJJJECFI.exe5⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\PING.EXEping 2.2.2.2 -n 1 -w 30006⤵
- Runs ping.exe
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4936 -s 24803⤵
- Program crash
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C:\Users\Admin\AppData\Local\Temp\u1zg.1.exe"C:\Users\Admin\AppData\Local\Temp\u1zg.1.exe"2⤵
- Executes dropped EXE
- Checks SCSI registry key(s)
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
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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 2572 -s 11602⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 2572 -ip 25721⤵
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 532 -p 4936 -ip 49361⤵
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
Are.docx
mozglue.dll
nss3.dll
KJKJJJECFI.exe
ioloDMLog.txt
u1zg.0.exe
u1zg.1.exe
memory/1020-166-0x000001E41AAE0000-0x000001E41B008000-memory.dmp
memory/1020-151-0x000001E47C8B0000-0x000001E47C912000-memory.dmp
memory/1020-204-0x000001E47C240000-0x000001E47C250000-memory.dmp
memory/1020-203-0x000001E47C240000-0x000001E47C250000-memory.dmp
memory/1020-202-0x000001E47C240000-0x000001E47C250000-memory.dmp
memory/1020-201-0x000001E47C240000-0x000001E47C250000-memory.dmp
memory/1020-200-0x00007FFE03E70000-0x00007FFE04932000-memory.dmp
memory/1020-180-0x000001E47ED40000-0x000001E47ED5E000-memory.dmp
memory/1020-179-0x000001E47EDC0000-0x000001E47EDE2000-memory.dmp
memory/1020-171-0x000001E41A300000-0x000001E41A30C000-memory.dmp
memory/1020-169-0x000001E47F240000-0x000001E47F290000-memory.dmp
memory/1020-137-0x00007FFE03E70000-0x00007FFE04932000-memory.dmp
memory/1020-138-0x000001E476440000-0x000001E479D38000-memory.dmp
memory/1020-165-0x000001E41A590000-0x000001E41A5B2000-memory.dmp
memory/1020-142-0x000001E47C440000-0x000001E47C550000-memory.dmp
memory/1020-143-0x000001E47A1B0000-0x000001E47A1C0000-memory.dmp
memory/1020-141-0x000001E47C240000-0x000001E47C250000-memory.dmp
memory/1020-144-0x000001E47C230000-0x000001E47C23C000-memory.dmp
memory/1020-145-0x000001E47A220000-0x000001E47A234000-memory.dmp
memory/1020-146-0x000001E47C5B0000-0x000001E47C5D4000-memory.dmp
memory/1020-148-0x000001E47C750000-0x000001E47C77A000-memory.dmp
memory/1020-147-0x000001E47C730000-0x000001E47C73A000-memory.dmp
memory/1020-149-0x000001E47C780000-0x000001E47C832000-memory.dmp
memory/1020-150-0x000001E47C830000-0x000001E47C8AA000-memory.dmp
memory/1020-152-0x000001E47C990000-0x000001E47CA06000-memory.dmp
memory/1020-164-0x000001E41A580000-0x000001E41A58A000-memory.dmp
memory/1020-153-0x000001E47A200000-0x000001E47A20A000-memory.dmp
memory/1020-157-0x000001E47CA10000-0x000001E47CD10000-memory.dmp
memory/1020-161-0x000001E47C240000-0x000001E47C250000-memory.dmp
memory/1020-160-0x000001E47E680000-0x000001E47E688000-memory.dmp
memory/1020-159-0x000001E47C240000-0x000001E47C250000-memory.dmp
memory/1020-162-0x000001E47ED80000-0x000001E47EDB8000-memory.dmp
memory/1020-163-0x000001E47E690000-0x000001E47E69E000-memory.dmp
memory/2572-31-0x0000000000400000-0x0000000002B83000-memory.dmp
memory/2572-1-0x0000000002EB0000-0x0000000002FB0000-memory.dmp
memory/2572-32-0x0000000004A50000-0x0000000004ABC000-memory.dmp
memory/2572-3-0x0000000000400000-0x0000000002B83000-memory.dmp
memory/2572-2-0x0000000004A50000-0x0000000004ABC000-memory.dmp
memory/4496-136-0x0000000000400000-0x00000000008AD000-memory.dmp
memory/4496-26-0x0000000002760000-0x0000000002761000-memory.dmp
memory/4496-124-0x0000000000400000-0x00000000008AD000-memory.dmp
memory/4588-199-0x0000000071F80000-0x0000000072731000-memory.dmp
memory/4588-193-0x00000000008C0000-0x00000000008E0000-memory.dmp
memory/4588-194-0x0000000071F80000-0x0000000072731000-memory.dmp
memory/4588-196-0x00000000052B0000-0x00000000052C0000-memory.dmp
memory/4936-13-0x0000000002F00000-0x0000000003000000-memory.dmp
memory/4936-195-0x0000000000400000-0x0000000002B60000-memory.dmp
memory/4936-14-0x0000000002EC0000-0x0000000002EE7000-memory.dmp
memory/4936-15-0x0000000000400000-0x0000000002B60000-memory.dmp
memory/4936-37-0x0000000061E00000-0x0000000061EF3000-memory.dmp
memory/4936-123-0x0000000000400000-0x0000000002B60000-memory.dmp
memory/4936-140-0x0000000002F00000-0x0000000003000000-memory.dmp