Analysis
- max time kernel
128s - max time network
130s - platform
windows11-21h2_x64 - resource
win11-20240426-en - resource tags
- submitted
28/04/2024, 22:32
General
- Target cb4bf8865165b159e415e0142170f9d3edaf1f559bc921ec14d05392e2181986.exe
- Size 448KB
- Sample240428-2f5f6aag96
- SHA256 cb4bf8865165b159e415e0142170f9d3edaf1f559bc921ec14d05392e2181986
Malware Config
Extracted
-
stealc
-
http://185.172.128.150
-
url_path
/c698e1bc8a2f5e6d.php
Signatures
- Detect ZGRat V1 3 IoCs
- SectopRAT
SectopRAT is a remote access trojan first seen in November 2019.
- SectopRAT payload 1 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 3 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.
- Suspicious use of SetThreadContext 2 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Program crash 1 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 30 IoCs
- Suspicious behavior: MapViewOfSection 3 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of FindShellTrayWindow 7 IoCs
- Suspicious use of SendNotifyMessage 7 IoCs
- Suspicious use of SetWindowsHookEx 3 IoCs
- Suspicious use of WriteProcessMemory 20 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\cb4bf8865165b159e415e0142170f9d3edaf1f559bc921ec14d05392e2181986.exe"C:\Users\Admin\AppData\Local\Temp\cb4bf8865165b159e415e0142170f9d3edaf1f559bc921ec14d05392e2181986.exe"1⤵
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\u3ww.0.exe"C:\Users\Admin\AppData\Local\Temp\u3ww.0.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
-
-
C:\Users\Admin\AppData\Local\Temp\u3ww.2\run.exe"C:\Users\Admin\AppData\Local\Temp\u3ww.2\run.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\cmd.exeC:\Windows\SysWOW64\cmd.exe3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
-
C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exeC:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe4⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
-
-
-
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C:\Users\Admin\AppData\Local\Temp\u3ww.3.exe"C:\Users\Admin\AppData\Local\Temp\u3ww.3.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 5072 -s 7722⤵
- Program crash
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 5072 -ip 50721⤵
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
Are.docx
mozglue.dll
nss3.dll
8fdcd7f9
ioloDMLog.txt
tmpEDCC.tmp
tmpEDEE.tmp
u3ww.0.exe
u3ww.1.zip
UIxMarketPlugin.dll
bunch.dat
relay.dll
run.exe
whale.dbf
u3ww.3.exe
memory/796-276-0x0000000005460000-0x000000000546A000-memory.dmp
memory/796-279-0x0000000006330000-0x0000000006396000-memory.dmp
memory/796-273-0x0000000005730000-0x00000000058F2000-memory.dmp
memory/796-275-0x00000000054C0000-0x0000000005510000-memory.dmp
memory/796-277-0x00000000065F0000-0x0000000006B1C000-memory.dmp
memory/796-278-0x0000000006160000-0x000000000617E000-memory.dmp
memory/796-272-0x0000000005A10000-0x0000000005FB6000-memory.dmp
memory/796-274-0x0000000005560000-0x00000000055D6000-memory.dmp
memory/796-271-0x00000000053A0000-0x0000000005432000-memory.dmp
memory/796-298-0x0000000007980000-0x000000000798A000-memory.dmp
memory/796-267-0x0000000072A10000-0x0000000073D27000-memory.dmp
memory/796-270-0x0000000000C30000-0x0000000000CF6000-memory.dmp
memory/1080-219-0x00007FFE70900000-0x00007FFE70B09000-memory.dmp
memory/1080-264-0x00000000727E0000-0x000000007295D000-memory.dmp
memory/2488-233-0x0000000000400000-0x00000000008AD000-memory.dmp
memory/2488-221-0x0000000000400000-0x00000000008AD000-memory.dmp
memory/3640-245-0x0000020DFEA10000-0x0000020DFEA86000-memory.dmp
memory/3640-260-0x0000020DFFC80000-0x0000020DFFCD0000-memory.dmp
memory/3640-250-0x0000020DFEA90000-0x0000020DFED90000-memory.dmp
memory/3640-246-0x0000020DE41F0000-0x0000020DE41FA000-memory.dmp
memory/3640-244-0x0000020DFE930000-0x0000020DFE992000-memory.dmp
memory/3640-243-0x0000020DFE8B0000-0x0000020DFE92A000-memory.dmp
memory/3640-242-0x0000020DFE800000-0x0000020DFE8B2000-memory.dmp
memory/3640-240-0x0000020DFE500000-0x0000020DFE50A000-memory.dmp
memory/3640-252-0x0000020DFFBA0000-0x0000020DFFBA8000-memory.dmp
memory/3640-256-0x0000020D83B30000-0x0000020D83B52000-memory.dmp
memory/3640-255-0x0000020D83B20000-0x0000020D83B2A000-memory.dmp
memory/3640-254-0x0000020DFFBB0000-0x0000020DFFBBE000-memory.dmp
memory/3640-253-0x0000020DFFBF0000-0x0000020DFFC28000-memory.dmp
memory/3640-257-0x0000020D84080000-0x0000020D845A8000-memory.dmp
memory/3640-237-0x0000020DFE260000-0x0000020DFE26C000-memory.dmp
memory/3640-236-0x0000020DE4220000-0x0000020DE4230000-memory.dmp
memory/3640-261-0x0000020D838A0000-0x0000020D838AC000-memory.dmp
memory/3640-241-0x0000020DFE7D0000-0x0000020DFE7FA000-memory.dmp
memory/3640-235-0x0000020DFE540000-0x0000020DFE650000-memory.dmp
memory/3640-262-0x0000020DFFC30000-0x0000020DFFC52000-memory.dmp
memory/3640-263-0x0000020DFFC60000-0x0000020DFFC7E000-memory.dmp
memory/3640-239-0x0000020DFE280000-0x0000020DFE2A4000-memory.dmp
memory/3640-238-0x0000020DE4230000-0x0000020DE4244000-memory.dmp
memory/3640-234-0x0000020DE0480000-0x0000020DE3D78000-memory.dmp
memory/4816-202-0x0000000000400000-0x0000000001A17000-memory.dmp
memory/4816-19-0x0000000061E00000-0x0000000061EF3000-memory.dmp
memory/4816-18-0x0000000000400000-0x0000000001A17000-memory.dmp
memory/4816-16-0x0000000001D00000-0x0000000001E00000-memory.dmp
memory/4816-17-0x0000000001C40000-0x0000000001C67000-memory.dmp
memory/4968-200-0x00000000727E0000-0x000000007295D000-memory.dmp
memory/4968-141-0x00007FFE70900000-0x00007FFE70B09000-memory.dmp
memory/4968-137-0x00000000727E0000-0x000000007295D000-memory.dmp
memory/5072-167-0x0000000000400000-0x0000000001A3B000-memory.dmp
memory/5072-3-0x0000000000400000-0x0000000001A3B000-memory.dmp
memory/5072-1-0x0000000001B70000-0x0000000001C70000-memory.dmp
memory/5072-2-0x0000000003760000-0x00000000037CD000-memory.dmp