Analysis
- max time kernel
147s - max time network
150s - platform
windows11-21h2_x64 - resource
win11-20240419-en - resource tags
- submitted
03/05/2024, 05:16
General
- Target 04286595e4b433a42f4bf70f8b0d68fba21ab16acbb6a1731743fdd5328b4208.exe
- Size 467KB
- Sample240503-fyfd4aaa89
- SHA256 04286595e4b433a42f4bf70f8b0d68fba21ab16acbb6a1731743fdd5328b4208
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 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 1 IoCs
- Suspicious use of WriteProcessMemory 20 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\04286595e4b433a42f4bf70f8b0d68fba21ab16acbb6a1731743fdd5328b4208.exe"C:\Users\Admin\AppData\Local\Temp\04286595e4b433a42f4bf70f8b0d68fba21ab16acbb6a1731743fdd5328b4208.exe"1⤵
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\uyk.0.exe"C:\Users\Admin\AppData\Local\Temp\uyk.0.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
-
-
C:\Users\Admin\AppData\Local\Temp\uyk.2\run.exe"C:\Users\Admin\AppData\Local\Temp\uyk.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
-
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\uyk.3.exe"C:\Users\Admin\AppData\Local\Temp\uyk.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 1244 -s 11562⤵
- Program crash
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 1244 -ip 12441⤵
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
Are.docx
mozglue.dll
nss3.dll
a675df80
ioloDMLog.txt
tmpDA05.tmp
tmpDA47.tmp
uyk.0.exe
uyk.1.zip
ASUS_WMI.dll
ATKEX.dll
AsIO.dll
doubled.doc
protactinium.log
run.exe
uyk.3.exe
memory/1244-189-0x0000000003790000-0x00000000037FD000-memory.dmp
memory/1244-188-0x0000000000400000-0x0000000000470000-memory.dmp
memory/1244-187-0x0000000000400000-0x0000000001A3F000-memory.dmp
memory/1244-3-0x0000000000400000-0x0000000000470000-memory.dmp
memory/1244-2-0x0000000003790000-0x00000000037FD000-memory.dmp
memory/1244-1-0x0000000001CF0000-0x0000000001DF0000-memory.dmp
memory/1640-153-0x0000000073000000-0x000000007317D000-memory.dmp
memory/1640-154-0x00007FFA2B320000-0x00007FFA2B529000-memory.dmp
memory/1640-213-0x0000000073000000-0x000000007317D000-memory.dmp
memory/2432-250-0x0000000000400000-0x00000000008AD000-memory.dmp
memory/2432-235-0x0000000000400000-0x00000000008AD000-memory.dmp
memory/2640-258-0x000001FD78CE0000-0x000001FD78D92000-memory.dmp
memory/2640-277-0x000001FD7DE90000-0x000001FD7DEE0000-memory.dmp
memory/2640-251-0x000001FD72E10000-0x000001FD76708000-memory.dmp
memory/2640-252-0x000001FD79000000-0x000001FD79110000-memory.dmp
memory/2640-254-0x000001FD783E0000-0x000001FD783EC000-memory.dmp
memory/2640-253-0x000001FD76B70000-0x000001FD76B80000-memory.dmp
memory/2640-255-0x000001FD76B80000-0x000001FD76B94000-memory.dmp
memory/2640-256-0x000001FD78570000-0x000001FD78594000-memory.dmp
memory/2640-257-0x000001FD78590000-0x000001FD7859A000-memory.dmp
memory/2640-281-0x000001FD7DE70000-0x000001FD7DE8E000-memory.dmp
memory/2640-259-0x000001FD785B0000-0x000001FD785DA000-memory.dmp
memory/2640-260-0x000001FD79270000-0x000001FD792EA000-memory.dmp
memory/2640-261-0x000001FD792F0000-0x000001FD79352000-memory.dmp
memory/2640-262-0x000001FD793D0000-0x000001FD79446000-memory.dmp
memory/2640-267-0x000001FD79450000-0x000001FD79750000-memory.dmp
memory/2640-263-0x000001FD785A0000-0x000001FD785AA000-memory.dmp
memory/2640-269-0x000001FD793A0000-0x000001FD793A8000-memory.dmp
memory/2640-271-0x000001FD793C0000-0x000001FD793CE000-memory.dmp
memory/2640-270-0x000001FD7D770000-0x000001FD7D7A8000-memory.dmp
memory/2640-272-0x000001FD7D7D0000-0x000001FD7D7DA000-memory.dmp
memory/2640-273-0x000001FD7E0C0000-0x000001FD7E0E2000-memory.dmp
memory/2640-274-0x000001FD7E610000-0x000001FD7EB38000-memory.dmp
memory/2640-278-0x000001FD7D7F0000-0x000001FD7D7FC000-memory.dmp
memory/2640-280-0x000001FD7DEE0000-0x000001FD7DF02000-memory.dmp
memory/2988-309-0x0000000005B70000-0x0000000005B8E000-memory.dmp
memory/2988-302-0x0000000004F60000-0x0000000004FB0000-memory.dmp
memory/2988-332-0x0000000007490000-0x000000000749A000-memory.dmp
memory/2988-310-0x0000000005C40000-0x0000000005CA6000-memory.dmp
memory/2988-293-0x0000000071B00000-0x0000000072E17000-memory.dmp
memory/2988-304-0x0000000006070000-0x000000000659C000-memory.dmp
memory/2988-297-0x0000000000700000-0x00000000007C6000-memory.dmp
memory/2988-298-0x0000000004E40000-0x0000000004ED2000-memory.dmp
memory/2988-299-0x0000000005490000-0x0000000005A36000-memory.dmp
memory/2988-301-0x0000000004EE0000-0x0000000004F56000-memory.dmp
memory/2988-300-0x0000000005220000-0x00000000053E2000-memory.dmp
memory/2988-303-0x0000000004DC0000-0x0000000004DCA000-memory.dmp
memory/3088-232-0x0000000000400000-0x0000000001A1B000-memory.dmp
memory/3088-296-0x0000000000400000-0x0000000001A1B000-memory.dmp
memory/3088-89-0x0000000061E00000-0x0000000061EF3000-memory.dmp
memory/3088-279-0x0000000000400000-0x0000000001A1B000-memory.dmp
memory/3088-313-0x0000000000400000-0x0000000001A1B000-memory.dmp
memory/3088-17-0x0000000000400000-0x0000000001A1B000-memory.dmp
memory/3088-16-0x0000000000400000-0x0000000001A1B000-memory.dmp
memory/3988-283-0x0000000073000000-0x000000007317D000-memory.dmp
memory/3988-231-0x00007FFA2B320000-0x00007FFA2B529000-memory.dmp