Analysis
- max time kernel
146s - max time network
159s - platform
windows11-21h2_x64 - resource
win11-20240221-en - resource tags
- submitted
07/04/2024, 22:38
General
- Target 1f80c4ace32b220a984e4c0a9c13bcb8d27c626ee02aae8fee43ae08000ccd7f.exe
- Size 478KB
- Sample240407-2kfzcsgg79
- SHA256 1f80c4ace32b220a984e4c0a9c13bcb8d27c626ee02aae8fee43ae08000ccd7f
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 25 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\1f80c4ace32b220a984e4c0a9c13bcb8d27c626ee02aae8fee43ae08000ccd7f.exe"C:\Users\Admin\AppData\Local\Temp\1f80c4ace32b220a984e4c0a9c13bcb8d27c626ee02aae8fee43ae08000ccd7f.exe"1⤵
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\u2u0.0.exe"C:\Users\Admin\AppData\Local\Temp\u2u0.0.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\EBGDHJECFC.exe"3⤵
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\EBGDHJECFC.exe"C:\Users\Admin\AppData\Local\Temp\EBGDHJECFC.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\EBGDHJECFC.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 4188 -s 21163⤵
- Program crash
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C:\Users\Admin\AppData\Local\Temp\u2u0.1.exe"C:\Users\Admin\AppData\Local\Temp\u2u0.1.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 3672 -s 11482⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 3672 -ip 36721⤵
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 4188 -ip 41881⤵
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
Are.docx
mozglue.dll
nss3.dll
EBGDHJECFC.exe
ioloDMLog.txt
u2u0.0.exe
u2u0.1.exe
memory/1740-171-0x0000023400050000-0x00000234000A0000-memory.dmp
memory/1740-159-0x00000233FFF70000-0x00000233FFF78000-memory.dmp
memory/1740-208-0x00000233FD050000-0x00000233FD060000-memory.dmp
memory/1740-207-0x00000233FD050000-0x00000233FD060000-memory.dmp
memory/1740-206-0x00000233FD050000-0x00000233FD060000-memory.dmp
memory/1740-205-0x00000233FD050000-0x00000233FD060000-memory.dmp
memory/1740-204-0x00000233FD050000-0x00000233FD060000-memory.dmp
memory/1740-200-0x00007FFF3C450000-0x00007FFF3CF12000-memory.dmp
memory/1740-194-0x00000233FE4A0000-0x00000233FE4BE000-memory.dmp
memory/1740-108-0x00007FFF3C450000-0x00007FFF3CF12000-memory.dmp
memory/1740-115-0x00000233F7AB0000-0x00000233FB3A8000-memory.dmp
memory/1740-116-0x00000233FD050000-0x00000233FD060000-memory.dmp
memory/1740-120-0x00000233FDAA0000-0x00000233FDBB0000-memory.dmp
memory/1740-124-0x00000233FCFD0000-0x00000233FCFE0000-memory.dmp
memory/1740-125-0x00000233FDBB0000-0x00000233FDBBC000-memory.dmp
memory/1740-126-0x00000233FD040000-0x00000233FD054000-memory.dmp
memory/1740-127-0x00000233FDC20000-0x00000233FDC44000-memory.dmp
memory/1740-186-0x0000023400000000-0x0000023400022000-memory.dmp
memory/1740-172-0x000002339A4F0000-0x000002339A4FC000-memory.dmp
memory/1740-141-0x00000233FDDA0000-0x00000233FDDAA000-memory.dmp
memory/1740-144-0x00000233FDEA0000-0x00000233FDF1A000-memory.dmp
memory/1740-143-0x00000233FDE70000-0x00000233FDE9A000-memory.dmp
memory/1740-142-0x00000233FDDC0000-0x00000233FDE72000-memory.dmp
memory/1740-146-0x00000233FDF20000-0x00000233FDF82000-memory.dmp
memory/1740-147-0x00000233FE000000-0x00000233FE076000-memory.dmp
memory/1740-148-0x00000233FD020000-0x00000233FD02A000-memory.dmp
memory/1740-152-0x00000233FE080000-0x00000233FE380000-memory.dmp
memory/1740-170-0x00000233FD050000-0x00000233FD060000-memory.dmp
memory/1740-167-0x000002339B070000-0x000002339B598000-memory.dmp
memory/1740-158-0x00000233FD050000-0x00000233FD060000-memory.dmp
memory/1740-161-0x00000233FFFC0000-0x00000233FFFF8000-memory.dmp
memory/1740-166-0x000002339A4D0000-0x000002339A4F2000-memory.dmp
memory/1740-163-0x00000233FFF80000-0x00000233FFF8E000-memory.dmp
memory/1740-162-0x00000233FD050000-0x00000233FD060000-memory.dmp
memory/1740-164-0x00000233FD050000-0x00000233FD060000-memory.dmp
memory/1740-165-0x000002339A4B0000-0x000002339A4BA000-memory.dmp
memory/2400-107-0x0000000000400000-0x00000000008AD000-memory.dmp
memory/2400-88-0x0000000000400000-0x00000000008AD000-memory.dmp
memory/2400-23-0x0000000002880000-0x0000000002881000-memory.dmp
memory/3304-203-0x0000000071A90000-0x0000000072241000-memory.dmp
memory/3304-199-0x0000000005900000-0x0000000005910000-memory.dmp
memory/3304-195-0x0000000071A90000-0x0000000072241000-memory.dmp
memory/3304-193-0x0000000000BE0000-0x0000000000C00000-memory.dmp
memory/3672-3-0x0000000000400000-0x0000000000487000-memory.dmp
memory/3672-2-0x00000000022F0000-0x000000000235C000-memory.dmp
memory/3672-32-0x0000000000400000-0x0000000000487000-memory.dmp
memory/3672-1-0x0000000000690000-0x0000000000790000-memory.dmp
memory/3672-33-0x00000000022F0000-0x000000000235C000-memory.dmp
memory/4188-160-0x0000000000920000-0x0000000000A20000-memory.dmp
memory/4188-196-0x0000000000400000-0x000000000063B000-memory.dmp
memory/4188-157-0x0000000000400000-0x000000000063B000-memory.dmp
memory/4188-35-0x00000000008D0000-0x00000000008F7000-memory.dmp
memory/4188-54-0x0000000061E00000-0x0000000061EF3000-memory.dmp
memory/4188-52-0x0000000000400000-0x000000000063B000-memory.dmp
memory/4188-36-0x0000000000400000-0x000000000063B000-memory.dmp
memory/4188-34-0x0000000000920000-0x0000000000A20000-memory.dmp