Analysis
- max time kernel
148s - max time network
156s - platform
windows10-2004_x64 - resource
win10v2004-20240226-en - resource tags
- submitted
03/04/2024, 09:51
General
- Target 4a7702109617d79d6f6fbf417a724fbfef11a536e2745cf49ffbdf3f76ae248e.exe
- Size 428KB
- Sample240403-lvpfgscc39
- SHA256 4a7702109617d79d6f6fbf417a724fbfef11a536e2745cf49ffbdf3f76ae248e
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
- Checks computer location settings 2 TTPs 4 IoCs
Looks up country code configured in the registry, likely geofence.
- 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 27 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\4a7702109617d79d6f6fbf417a724fbfef11a536e2745cf49ffbdf3f76ae248e.exe"C:\Users\Admin\AppData\Local\Temp\4a7702109617d79d6f6fbf417a724fbfef11a536e2745cf49ffbdf3f76ae248e.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\u2p8.0.exe"C:\Users\Admin\AppData\Local\Temp\u2p8.0.exe"2⤵
- Checks computer location settings
- 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\JEBKJDAFHJ.exe"3⤵
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\JEBKJDAFHJ.exe"C:\Users\Admin\AppData\Local\Temp\JEBKJDAFHJ.exe"4⤵
- Checks computer location settings
- 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\JEBKJDAFHJ.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 4480 -s 19883⤵
- Program crash
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C:\Users\Admin\AppData\Local\Temp\u2p8.1.exe"C:\Users\Admin\AppData\Local\Temp\u2p8.1.exe"2⤵
- Checks computer location settings
- 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 3500 -s 16322⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 3500 -ip 35001⤵
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 4480 -ip 44801⤵
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
Are.docx
mozglue.dll
nss3.dll
JEBKJDAFHJ.exe
ioloDMLog.txt
u2p8.0.exe
u2p8.1.exe
memory/844-153-0x0000000072080000-0x0000000072830000-memory.dmp
memory/844-138-0x0000000072080000-0x0000000072830000-memory.dmp
memory/844-139-0x00000000050C0000-0x00000000050D0000-memory.dmp
memory/844-136-0x00000000008A0000-0x00000000008C0000-memory.dmp
memory/2904-159-0x000001E081400000-0x000001E081510000-memory.dmp
memory/2904-180-0x000001E0E5B40000-0x000001E0E5B4E000-memory.dmp
memory/2904-194-0x000001E080F80000-0x000001E080F90000-memory.dmp
memory/2904-193-0x000001E080F80000-0x000001E080F90000-memory.dmp
memory/2904-192-0x000001E080F80000-0x000001E080F90000-memory.dmp
memory/2904-191-0x00007FFF745D0000-0x00007FFF75091000-memory.dmp
memory/2904-189-0x000001E0E7320000-0x000001E0E733E000-memory.dmp
memory/2904-188-0x000001E0E7420000-0x000001E0E7442000-memory.dmp
memory/2904-187-0x000001E085B80000-0x000001E085B8C000-memory.dmp
memory/2904-186-0x000001E0E73D0000-0x000001E0E7420000-memory.dmp
memory/2904-183-0x000001E086F20000-0x000001E087448000-memory.dmp
memory/2904-182-0x000001E085B60000-0x000001E085B82000-memory.dmp
memory/2904-181-0x000001E085B50000-0x000001E085B5A000-memory.dmp
memory/2904-179-0x000001E0E7380000-0x000001E0E73B8000-memory.dmp
memory/2904-156-0x00007FFF745D0000-0x00007FFF75091000-memory.dmp
memory/2904-157-0x000001E0E1E90000-0x000001E0E5788000-memory.dmp
memory/2904-158-0x000001E080F80000-0x000001E080F90000-memory.dmp
memory/2904-177-0x000001E0E5B30000-0x000001E0E5B38000-memory.dmp
memory/2904-160-0x000001E081130000-0x000001E081140000-memory.dmp
memory/2904-161-0x000001E081150000-0x000001E08115C000-memory.dmp
memory/2904-162-0x000001E081140000-0x000001E081154000-memory.dmp
memory/2904-163-0x000001E0811B0000-0x000001E0811D4000-memory.dmp
memory/2904-164-0x000001E0811E0000-0x000001E0811EA000-memory.dmp
memory/2904-165-0x000001E081270000-0x000001E08129A000-memory.dmp
memory/2904-166-0x000001E081650000-0x000001E081702000-memory.dmp
memory/2904-167-0x000001E081700000-0x000001E08177A000-memory.dmp
memory/2904-168-0x000001E081780000-0x000001E0817E2000-memory.dmp
memory/2904-169-0x000001E0FFCB0000-0x000001E0FFD26000-memory.dmp
memory/2904-170-0x000001E081220000-0x000001E08122A000-memory.dmp
memory/2904-174-0x000001E0817E0000-0x000001E081AE0000-memory.dmp
memory/2904-176-0x000001E080F80000-0x000001E080F90000-memory.dmp
memory/2904-178-0x000001E080F80000-0x000001E080F90000-memory.dmp
memory/3500-84-0x0000000000400000-0x0000000000889000-memory.dmp
memory/3500-2-0x00000000024D0000-0x000000000253C000-memory.dmp
memory/3500-3-0x0000000000400000-0x0000000000889000-memory.dmp
memory/3500-1-0x0000000000A30000-0x0000000000B30000-memory.dmp
memory/3500-45-0x0000000000400000-0x0000000000889000-memory.dmp
memory/3868-129-0x0000000000400000-0x00000000008AD000-memory.dmp
memory/3868-154-0x0000000000400000-0x00000000008AD000-memory.dmp
memory/3868-75-0x0000000000C10000-0x0000000000C11000-memory.dmp
memory/4480-14-0x0000000000AD0000-0x0000000000AF7000-memory.dmp
memory/4480-16-0x0000000061E00000-0x0000000061EF3000-memory.dmp
memory/4480-137-0x0000000000400000-0x0000000000866000-memory.dmp
memory/4480-15-0x0000000000400000-0x0000000000866000-memory.dmp
memory/4480-13-0x0000000000B70000-0x0000000000C70000-memory.dmp
memory/4480-85-0x0000000000400000-0x0000000000866000-memory.dmp