Analysis
- max time kernel
116s - max time network
95s - platform
windows11-21h2_x64 - resource
win11-20240214-en - resource tags
- submitted
04/04/2024, 09:21
General
- Target 78088f92a2469e30b11be2e98d65cbba1f97376ea06c75ce154a204e62fa6a96.exe
- Size 359KB
- Sample240404-lbszkabc6s
- SHA256 78088f92a2469e30b11be2e98d65cbba1f97376ea06c75ce154a204e62fa6a96
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 21 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\78088f92a2469e30b11be2e98d65cbba1f97376ea06c75ce154a204e62fa6a96.exe"C:\Users\Admin\AppData\Local\Temp\78088f92a2469e30b11be2e98d65cbba1f97376ea06c75ce154a204e62fa6a96.exe"1⤵
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\u3u0.0.exe"C:\Users\Admin\AppData\Local\Temp\u3u0.0.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\DBFIEHDHII.exe"3⤵
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\DBFIEHDHII.exe"C:\Users\Admin\AppData\Local\Temp\DBFIEHDHII.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\DBFIEHDHII.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 2312 -s 22363⤵
- Program crash
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C:\Users\Admin\AppData\Local\Temp\u3u0.1.exe"C:\Users\Admin\AppData\Local\Temp\u3u0.1.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 4968 -s 15682⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 2312 -ip 23121⤵
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 4968 -ip 49681⤵
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
Are.docx
mozglue.dll
nss3.dll
DBFIEHDHII.exe
u3u0.0.exe
u3u0.1.exe
memory/400-114-0x0000000004C10000-0x0000000004C20000-memory.dmp
memory/400-124-0x0000000072620000-0x0000000072DD1000-memory.dmp
memory/400-111-0x0000000072620000-0x0000000072DD1000-memory.dmp
memory/400-110-0x0000000000080000-0x00000000000A0000-memory.dmp
memory/1388-166-0x0000000000400000-0x00000000008AD000-memory.dmp
memory/1388-154-0x0000000000400000-0x00000000008AD000-memory.dmp
memory/1388-129-0x0000000002760000-0x0000000002761000-memory.dmp
memory/2312-76-0x0000000002CC0000-0x0000000002DC0000-memory.dmp
memory/2312-15-0x0000000000400000-0x0000000002B60000-memory.dmp
memory/2312-14-0x0000000004880000-0x00000000048A7000-memory.dmp
memory/2312-13-0x0000000002CC0000-0x0000000002DC0000-memory.dmp
memory/2312-16-0x0000000061E00000-0x0000000061EF3000-memory.dmp
memory/2312-69-0x0000000000400000-0x0000000002B60000-memory.dmp
memory/2312-56-0x0000000000400000-0x0000000002B60000-memory.dmp
memory/2312-112-0x0000000000400000-0x0000000002B60000-memory.dmp
memory/4968-3-0x0000000000400000-0x0000000002B83000-memory.dmp
memory/4968-2-0x0000000004A10000-0x0000000004A7C000-memory.dmp
memory/4968-1-0x0000000002E70000-0x0000000002F70000-memory.dmp
memory/4968-62-0x0000000002E70000-0x0000000002F70000-memory.dmp
memory/4968-134-0x0000000000400000-0x0000000002B83000-memory.dmp
memory/4968-60-0x0000000004A10000-0x0000000004A7C000-memory.dmp
memory/4968-55-0x0000000000400000-0x0000000002B83000-memory.dmp
memory/5100-172-0x000001B05E050000-0x000001B05E05C000-memory.dmp
memory/5100-187-0x000001B05E200000-0x000001B05E210000-memory.dmp
memory/5100-169-0x000001B05E200000-0x000001B05E210000-memory.dmp
memory/5100-170-0x000001B076B20000-0x000001B076C30000-memory.dmp
memory/5100-167-0x00007FFB59CB0000-0x00007FFB5A772000-memory.dmp
memory/5100-171-0x000001B05C6A0000-0x000001B05C6B0000-memory.dmp
memory/5100-173-0x000001B05C710000-0x000001B05C724000-memory.dmp
memory/5100-174-0x000001B05E070000-0x000001B05E094000-memory.dmp
memory/5100-175-0x000001B05E1F0000-0x000001B05E1FA000-memory.dmp
memory/5100-176-0x000001B076A30000-0x000001B076AE2000-memory.dmp
memory/5100-177-0x000001B05E220000-0x000001B05E24A000-memory.dmp
memory/5100-178-0x000001B076DF0000-0x000001B076E6A000-memory.dmp
memory/5100-179-0x000001B076C30000-0x000001B076C92000-memory.dmp
memory/5100-180-0x000001B076EF0000-0x000001B076F66000-memory.dmp
memory/5100-181-0x000001B05C6F0000-0x000001B05C6FA000-memory.dmp
memory/5100-185-0x000001B076F70000-0x000001B077270000-memory.dmp
memory/5100-188-0x000001B076EE0000-0x000001B076EE8000-memory.dmp
memory/5100-168-0x000001B058950000-0x000001B05C248000-memory.dmp
memory/5100-189-0x000001B05E200000-0x000001B05E210000-memory.dmp
memory/5100-190-0x000001B05E200000-0x000001B05E210000-memory.dmp
memory/5100-191-0x000001B07B290000-0x000001B07B2C8000-memory.dmp
memory/5100-192-0x000001B07B260000-0x000001B07B26E000-memory.dmp
memory/5100-193-0x000001B07B310000-0x000001B07B31A000-memory.dmp
memory/5100-194-0x000001B07B960000-0x000001B07B982000-memory.dmp
memory/5100-195-0x000001B07BED0000-0x000001B07C3F8000-memory.dmp
memory/5100-198-0x000001B07B9E0000-0x000001B07BA30000-memory.dmp
memory/5100-199-0x000001B07B990000-0x000001B07B99C000-memory.dmp
memory/5100-200-0x000001B05E200000-0x000001B05E210000-memory.dmp
memory/5100-201-0x000001B07BCB0000-0x000001B07BCD2000-memory.dmp
memory/5100-202-0x000001B07BCE0000-0x000001B07BCFE000-memory.dmp
memory/5100-204-0x00007FFB59CB0000-0x00007FFB5A772000-memory.dmp
memory/5100-205-0x000001B05E200000-0x000001B05E210000-memory.dmp
memory/5100-206-0x000001B05E200000-0x000001B05E210000-memory.dmp
memory/5100-207-0x000001B05E200000-0x000001B05E210000-memory.dmp
memory/5100-208-0x000001B05E200000-0x000001B05E210000-memory.dmp
memory/5100-209-0x000001B05E200000-0x000001B05E210000-memory.dmp