Analysis
- max time kernel
132s - max time network
133s - platform
windows11-21h2_x64 - resource
win11-20240419-en - resource tags
- submitted
02/05/2024, 10:48
General
- Target 3f2cefdce60ef147a24b8792c569c82bdff8fcca1e312515ac5e227aecff755f.exe
- Size 418KB
- Sample240502-mwdwtafb9y
- SHA256 3f2cefdce60ef147a24b8792c569c82bdff8fcca1e312515ac5e227aecff755f
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 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.
- Suspicious behavior: EnumeratesProcesses 29 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 2 IoCs
- Suspicious use of WriteProcessMemory 20 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\3f2cefdce60ef147a24b8792c569c82bdff8fcca1e312515ac5e227aecff755f.exe"C:\Users\Admin\AppData\Local\Temp\3f2cefdce60ef147a24b8792c569c82bdff8fcca1e312515ac5e227aecff755f.exe"1⤵
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\u38s.0.exe"C:\Users\Admin\AppData\Local\Temp\u38s.0.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2920 -s 3363⤵
- Program crash
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-
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C:\Users\Admin\AppData\Local\Temp\u38s.2\run.exe"C:\Users\Admin\AppData\Local\Temp\u38s.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 use of AdjustPrivilegeToken
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-
-
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C:\Users\Admin\AppData\Local\Temp\u38s.3.exe"C:\Users\Admin\AppData\Local\Temp\u38s.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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-
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4204 -s 14562⤵
- Program crash
-
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 2920 -ip 29201⤵
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 4204 -ip 42041⤵
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
Are.docx
mozglue.dll
nss3.dll
b6bbd4a5
ioloDMLog.txt
ioloDMLog.txt
tmpF1D3.tmp
tmpF1F5.tmp
u38s.0.exe
u38s.1.zip
UIxMarketPlugin.dll
bunch.dat
relay.dll
run.exe
whale.dbf
u38s.3.exe
memory/1544-237-0x0000000000400000-0x00000000008AD000-memory.dmp
memory/1544-234-0x0000000000400000-0x00000000008AD000-memory.dmp
memory/1720-278-0x0000000005110000-0x0000000005186000-memory.dmp
memory/1720-283-0x0000000005E20000-0x0000000005E86000-memory.dmp
memory/1720-280-0x0000000005020000-0x000000000502A000-memory.dmp
memory/1720-271-0x0000000072C80000-0x0000000073F97000-memory.dmp
memory/1720-279-0x00000000051D0000-0x0000000005220000-memory.dmp
memory/1720-274-0x0000000000900000-0x00000000009C6000-memory.dmp
memory/1720-275-0x0000000005070000-0x0000000005102000-memory.dmp
memory/1720-276-0x0000000005780000-0x0000000005D26000-memory.dmp
memory/1720-277-0x00000000054A0000-0x0000000005662000-memory.dmp
memory/1720-281-0x0000000006260000-0x000000000678C000-memory.dmp
memory/1720-282-0x0000000005D50000-0x0000000005D6E000-memory.dmp
memory/1924-269-0x0000000072170000-0x00000000722ED000-memory.dmp
memory/1924-223-0x00007FFC4C100000-0x00007FFC4C309000-memory.dmp
memory/2920-16-0x0000000000400000-0x0000000001A0F000-memory.dmp
memory/2920-17-0x0000000000400000-0x0000000001A0F000-memory.dmp
memory/2920-18-0x0000000061E00000-0x0000000061EF3000-memory.dmp
memory/2920-200-0x0000000000400000-0x0000000001A0F000-memory.dmp
memory/3184-240-0x0000022A377A0000-0x0000022A377B0000-memory.dmp
memory/3184-265-0x0000022A56970000-0x0000022A5697C000-memory.dmp
memory/3184-246-0x0000022A51D30000-0x0000022A51D5A000-memory.dmp
memory/3184-247-0x0000022A51D60000-0x0000022A51DDA000-memory.dmp
memory/3184-248-0x0000022A51DE0000-0x0000022A51E42000-memory.dmp
memory/3184-249-0x0000022A51EC0000-0x0000022A51F36000-memory.dmp
memory/3184-250-0x0000022A37780000-0x0000022A3778A000-memory.dmp
memory/3184-254-0x0000022A51F40000-0x0000022A52240000-memory.dmp
memory/3184-256-0x0000022A56950000-0x0000022A56958000-memory.dmp
memory/3184-258-0x0000022A56260000-0x0000022A5626E000-memory.dmp
memory/3184-257-0x0000022A56290000-0x0000022A562C8000-memory.dmp
memory/3184-260-0x0000022A56C00000-0x0000022A56C22000-memory.dmp
memory/3184-259-0x0000022A56BF0000-0x0000022A56BFA000-memory.dmp
memory/3184-261-0x0000022A57150000-0x0000022A57678000-memory.dmp
memory/3184-264-0x0000022A569C0000-0x0000022A56A10000-memory.dmp
memory/3184-245-0x0000022A519F0000-0x0000022A51AA2000-memory.dmp
memory/3184-266-0x0000022A56A10000-0x0000022A56A32000-memory.dmp
memory/3184-267-0x0000022A56A40000-0x0000022A56A5E000-memory.dmp
memory/3184-244-0x0000022A518D0000-0x0000022A518DA000-memory.dmp
memory/3184-243-0x0000022A518B0000-0x0000022A518D4000-memory.dmp
memory/3184-242-0x0000022A377B0000-0x0000022A377C4000-memory.dmp
memory/3184-238-0x0000022A33960000-0x0000022A37258000-memory.dmp
memory/3184-241-0x0000022A377C0000-0x0000022A377CC000-memory.dmp
memory/3184-239-0x0000022A51AD0000-0x0000022A51BE0000-memory.dmp
memory/4204-1-0x0000000001AF0000-0x0000000001BF0000-memory.dmp
memory/4204-198-0x0000000000400000-0x0000000001A33000-memory.dmp
memory/4204-199-0x0000000000400000-0x0000000000470000-memory.dmp
memory/4204-3-0x0000000000400000-0x0000000000470000-memory.dmp
memory/4204-2-0x0000000003750000-0x00000000037BD000-memory.dmp
memory/5016-205-0x0000000072170000-0x00000000722ED000-memory.dmp
memory/5016-173-0x00007FFC4C100000-0x00007FFC4C309000-memory.dmp
memory/5016-172-0x0000000072170000-0x00000000722ED000-memory.dmp