Analysis
- max time kernel
146s - max time network
150s - platform
windows11-21h2_x64 - resource
win11-20240419-en - resource tags
- submitted
04/05/2024, 05:53
General
- Target 071d1399f1e654fd5a5b115b137051864dbd256706ce94f643e6f3fe29f87fa8.exe
- Size 463KB
- Sample240504-glk99aed3t
- SHA256 071d1399f1e654fd5a5b115b137051864dbd256706ce94f643e6f3fe29f87fa8
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\071d1399f1e654fd5a5b115b137051864dbd256706ce94f643e6f3fe29f87fa8.exe"C:\Users\Admin\AppData\Local\Temp\071d1399f1e654fd5a5b115b137051864dbd256706ce94f643e6f3fe29f87fa8.exe"1⤵
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\u2b0.0.exe"C:\Users\Admin\AppData\Local\Temp\u2b0.0.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 1228 -s 24323⤵
- Program crash
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-
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C:\Users\Admin\AppData\Local\Temp\u2b0.2\run.exe"C:\Users\Admin\AppData\Local\Temp\u2b0.2\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\u2b0.3.exe"C:\Users\Admin\AppData\Local\Temp\u2b0.3.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 2988 -s 9802⤵
- Program crash
-
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 1228 -ip 12281⤵
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 2988 -ip 29881⤵
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
Are.docx
mozglue.dll
nss3.dll
ab37533c
tmpE511.tmp
tmpE534.tmp
u2b0.0.exe
u2b0.1.zip
ASUS_WMI.dll
ATKEX.dll
AsIO.dll
doubled.doc
protactinium.log
run.exe
u2b0.3.exe
memory/1228-205-0x0000000000400000-0x0000000001A19000-memory.dmp
memory/1228-16-0x0000000000400000-0x0000000001A19000-memory.dmp
memory/1228-18-0x0000000061E00000-0x0000000061EF3000-memory.dmp
memory/1228-17-0x0000000000400000-0x0000000001A19000-memory.dmp
memory/1616-256-0x0000000000400000-0x00000000008AD000-memory.dmp
memory/1616-244-0x0000000000400000-0x00000000008AD000-memory.dmp
memory/1848-226-0x00007FFE7D5E0000-0x00007FFE7D7E9000-memory.dmp
memory/1848-269-0x0000000072900000-0x0000000072A7D000-memory.dmp
memory/2588-201-0x0000000072900000-0x0000000072A7D000-memory.dmp
memory/2588-153-0x0000000072900000-0x0000000072A7D000-memory.dmp
memory/2588-154-0x00007FFE7D5E0000-0x00007FFE7D7E9000-memory.dmp
memory/2988-204-0x0000000000400000-0x0000000001A3E000-memory.dmp
memory/2988-2-0x0000000003750000-0x00000000037BD000-memory.dmp
memory/2988-221-0x0000000000400000-0x0000000000470000-memory.dmp
memory/2988-220-0x0000000000400000-0x0000000001A3E000-memory.dmp
memory/2988-3-0x0000000000400000-0x0000000000470000-memory.dmp
memory/2988-1-0x0000000001C70000-0x0000000001D70000-memory.dmp
memory/4008-262-0x00000271D35B0000-0x00000271D35D4000-memory.dmp
memory/4008-281-0x00000271D8E40000-0x00000271D9368000-memory.dmp
memory/4008-259-0x00000271D3410000-0x00000271D3420000-memory.dmp
memory/4008-263-0x00000271D35D0000-0x00000271D35DA000-memory.dmp
memory/4008-264-0x00000271D3710000-0x00000271D37C2000-memory.dmp
memory/4008-265-0x00000271D3A50000-0x00000271D3A7A000-memory.dmp
memory/4008-266-0x00000271D3A80000-0x00000271D3AFA000-memory.dmp
memory/4008-267-0x00000271D3B00000-0x00000271D3B62000-memory.dmp
memory/4008-268-0x00000271D3BE0000-0x00000271D3C56000-memory.dmp
memory/4008-260-0x00000271D3430000-0x00000271D343C000-memory.dmp
memory/4008-270-0x00000271D33F0000-0x00000271D33FA000-memory.dmp
memory/4008-274-0x00000271D3C60000-0x00000271D3F60000-memory.dmp
memory/4008-276-0x00000271D8000000-0x00000271D8008000-memory.dmp
memory/4008-277-0x00000271D7F80000-0x00000271D7FB8000-memory.dmp
memory/4008-278-0x00000271D7F50000-0x00000271D7F5E000-memory.dmp
memory/4008-280-0x00000271D88F0000-0x00000271D8912000-memory.dmp
memory/4008-279-0x00000271D88E0000-0x00000271D88EA000-memory.dmp
memory/4008-261-0x00000271D3420000-0x00000271D3434000-memory.dmp
memory/4008-285-0x00000271D8660000-0x00000271D866C000-memory.dmp
memory/4008-284-0x00000271D86B0000-0x00000271D8700000-memory.dmp
memory/4008-286-0x00000271D8700000-0x00000271D8722000-memory.dmp
memory/4008-287-0x00000271D8730000-0x00000271D874E000-memory.dmp
memory/4008-257-0x00000271B5650000-0x00000271B8F48000-memory.dmp
memory/4008-258-0x00000271D37F0000-0x00000271D3900000-memory.dmp
memory/5036-294-0x00000000051E0000-0x0000000005272000-memory.dmp
memory/5036-295-0x0000000005830000-0x0000000005DD6000-memory.dmp
memory/5036-296-0x0000000005580000-0x0000000005742000-memory.dmp
memory/5036-297-0x0000000005280000-0x00000000052F6000-memory.dmp
memory/5036-298-0x0000000005300000-0x0000000005350000-memory.dmp
memory/5036-299-0x0000000005150000-0x000000000515A000-memory.dmp
memory/5036-300-0x0000000006410000-0x000000000693C000-memory.dmp
memory/5036-301-0x0000000005F00000-0x0000000005F1E000-memory.dmp
memory/5036-302-0x00000000060C0000-0x0000000006126000-memory.dmp
memory/5036-293-0x00000000009C0000-0x0000000000A86000-memory.dmp
memory/5036-290-0x0000000071400000-0x0000000072717000-memory.dmp
memory/5036-321-0x0000000007710000-0x000000000771A000-memory.dmp