Analysis
- max time kernel
132s - max time network
136s - platform
windows11-21h2_x64 - resource
win11-20240419-en - resource tags
- submitted
03/05/2024, 15:51
General
- Target 678119ed9d7ce31ce82f532607663544b66f62ac8dd749ba199cd462d02a318a.exe
- Size 454KB
- Sample240503-taqrtadd46
- SHA256 678119ed9d7ce31ce82f532607663544b66f62ac8dd749ba199cd462d02a318a
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 5 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 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 1 IoCs
- Suspicious use of WriteProcessMemory 20 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\678119ed9d7ce31ce82f532607663544b66f62ac8dd749ba199cd462d02a318a.exe"C:\Users\Admin\AppData\Local\Temp\678119ed9d7ce31ce82f532607663544b66f62ac8dd749ba199cd462d02a318a.exe"1⤵
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\u1yk.0.exe"C:\Users\Admin\AppData\Local\Temp\u1yk.0.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2880 -s 24443⤵
- Program crash
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C:\Users\Admin\AppData\Local\Temp\u1yk.2\run.exe"C:\Users\Admin\AppData\Local\Temp\u1yk.2\run.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- 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
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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\u1yk.3.exe"C:\Users\Admin\AppData\Local\Temp\u1yk.3.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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-
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2540 -s 11642⤵
- Program crash
-
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 2540 -ip 25401⤵
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 556 -p 2880 -ip 28801⤵
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
Are.docx
mozglue.dll
nss3.dll
93ee5b1e
ioloDMLog.txt
tmpED8D.tmp
tmpEDB0.tmp
u1yk.0.exe
u1yk.1.zip
ASUS_WMI.dll
ATKEX.dll
AsIO.dll
doubled.doc
protactinium.log
run.exe
u1yk.3.exe
memory/396-264-0x000002423D030000-0x000002423D040000-memory.dmp
memory/396-262-0x0000024239250000-0x000002423CB48000-memory.dmp
memory/396-282-0x000002425BB50000-0x000002425BB5E000-memory.dmp
memory/396-281-0x000002425BB80000-0x000002425BBB8000-memory.dmp
memory/396-280-0x000002425C240000-0x000002425C248000-memory.dmp
memory/396-278-0x0000024257850000-0x0000024257B50000-memory.dmp
memory/396-274-0x000002423E930000-0x000002423E93A000-memory.dmp
memory/396-292-0x000002425C330000-0x000002425C34E000-memory.dmp
memory/396-291-0x000002425C300000-0x000002425C322000-memory.dmp
memory/396-289-0x000002425C2B0000-0x000002425C300000-memory.dmp
memory/396-290-0x000002425C260000-0x000002425C26C000-memory.dmp
memory/396-273-0x00000242577D0000-0x0000024257846000-memory.dmp
memory/396-286-0x000002425CA40000-0x000002425CF68000-memory.dmp
memory/396-272-0x00000242576F0000-0x0000024257752000-memory.dmp
memory/396-284-0x000002425C4F0000-0x000002425C512000-memory.dmp
memory/396-283-0x000002425C4E0000-0x000002425C4EA000-memory.dmp
memory/396-263-0x0000024257410000-0x0000024257520000-memory.dmp
memory/396-265-0x000002423E960000-0x000002423E96C000-memory.dmp
memory/396-271-0x0000024257670000-0x00000242576EA000-memory.dmp
memory/396-266-0x000002423E950000-0x000002423E964000-memory.dmp
memory/396-267-0x00000242570A0000-0x00000242570C4000-memory.dmp
memory/396-268-0x00000242570C0000-0x00000242570CA000-memory.dmp
memory/396-269-0x00000242570E0000-0x000002425710A000-memory.dmp
memory/396-270-0x0000024257330000-0x00000242573E2000-memory.dmp
memory/1116-285-0x0000000072480000-0x00000000725FD000-memory.dmp
memory/1116-247-0x00007FFD5C580000-0x00007FFD5C789000-memory.dmp
memory/2540-1-0x0000000001B70000-0x0000000001C70000-memory.dmp
memory/2540-209-0x0000000000400000-0x0000000000470000-memory.dmp
memory/2540-207-0x0000000000400000-0x0000000001A3C000-memory.dmp
memory/2540-208-0x0000000003760000-0x00000000037CD000-memory.dmp
memory/2540-3-0x0000000000400000-0x0000000000470000-memory.dmp
memory/2540-2-0x0000000003760000-0x00000000037CD000-memory.dmp
memory/2880-16-0x0000000000400000-0x0000000001A18000-memory.dmp
memory/2880-75-0x0000000061E00000-0x0000000061EF3000-memory.dmp
memory/2880-17-0x0000000000400000-0x0000000001A18000-memory.dmp
memory/2880-228-0x0000000000400000-0x0000000001A18000-memory.dmp
memory/2880-18-0x0000000000400000-0x0000000001A18000-memory.dmp
memory/2972-161-0x00007FFD5C580000-0x00007FFD5C789000-memory.dmp
memory/2972-160-0x0000000072480000-0x00000000725FD000-memory.dmp
memory/2972-229-0x0000000072480000-0x00000000725FD000-memory.dmp
memory/3524-300-0x00000000059B0000-0x0000000005F56000-memory.dmp
memory/3524-304-0x0000000005420000-0x000000000542A000-memory.dmp
memory/3524-299-0x0000000005360000-0x00000000053F2000-memory.dmp
memory/3524-326-0x0000000007A40000-0x0000000007A4A000-memory.dmp
memory/3524-301-0x0000000005680000-0x0000000005842000-memory.dmp
memory/3524-303-0x0000000005530000-0x0000000005580000-memory.dmp
memory/3524-302-0x00000000054B0000-0x0000000005526000-memory.dmp
memory/3524-298-0x0000000000C00000-0x0000000000CC6000-memory.dmp
memory/3524-305-0x00000000065D0000-0x0000000006AFC000-memory.dmp
memory/3524-306-0x00000000060A0000-0x00000000060BE000-memory.dmp
memory/3524-307-0x0000000006170000-0x00000000061D6000-memory.dmp
memory/3524-295-0x0000000072A20000-0x0000000073D37000-memory.dmp
memory/4764-249-0x0000000000400000-0x00000000008AD000-memory.dmp
memory/4764-261-0x0000000000400000-0x00000000008AD000-memory.dmp