Analysis
- max time kernel
140s - max time network
141s - platform
windows11-21h2_x64 - resource
win11-20240419-en - resource tags
- submitted
03/05/2024, 05:07
General
- Target e5f5de41cde0b1bb1fd6c3503d23067502a38771990f32f606d1d11189aff7c1.exe
- Size 467KB
- Sample240503-fsaxeshh77
- SHA256 e5f5de41cde0b1bb1fd6c3503d23067502a38771990f32f606d1d11189aff7c1
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 28 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 WriteProcessMemory 20 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\e5f5de41cde0b1bb1fd6c3503d23067502a38771990f32f606d1d11189aff7c1.exe"C:\Users\Admin\AppData\Local\Temp\e5f5de41cde0b1bb1fd6c3503d23067502a38771990f32f606d1d11189aff7c1.exe"1⤵
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\u3x4.0.exe"C:\Users\Admin\AppData\Local\Temp\u3x4.0.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
-
-
C:\Users\Admin\AppData\Local\Temp\u3x4.2\run.exe"C:\Users\Admin\AppData\Local\Temp\u3x4.2\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 use of AdjustPrivilegeToken
-
-
-
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C:\Users\Admin\AppData\Local\Temp\u3x4.3.exe"C:\Users\Admin\AppData\Local\Temp\u3x4.3.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
-
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 5080 -s 12202⤵
- Program crash
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 5080 -ip 50801⤵
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
Are.docx
mozglue.dll
nss3.dll
9bacccf4
tmpF3F6.tmp
tmpF418.tmp
u3x4.0.exe
u3x4.1.zip
ASUS_WMI.dll
ATKEX.dll
AsIO.dll
doubled.doc
protactinium.log
run.exe
u3x4.3.exe
memory/1956-230-0x00007FFACF4A0000-0x00007FFACF6A9000-memory.dmp
memory/1956-257-0x0000000072C60000-0x0000000072DDD000-memory.dmp
memory/2364-234-0x0000000000400000-0x00000000008AD000-memory.dmp
memory/2364-250-0x0000000000400000-0x00000000008AD000-memory.dmp
memory/3208-17-0x0000000000400000-0x0000000001A1B000-memory.dmp
memory/3208-247-0x0000000000400000-0x0000000001A1B000-memory.dmp
memory/3208-16-0x0000000000400000-0x0000000001A1B000-memory.dmp
memory/3208-296-0x0000000000400000-0x0000000001A1B000-memory.dmp
memory/3208-297-0x0000000000400000-0x0000000001A1B000-memory.dmp
memory/3208-232-0x0000000000400000-0x0000000001A1B000-memory.dmp
memory/3208-102-0x0000000061E00000-0x0000000061EF3000-memory.dmp
memory/3524-299-0x0000000005200000-0x0000000005292000-memory.dmp
memory/3524-300-0x0000000005850000-0x0000000005DF6000-memory.dmp
memory/3524-305-0x0000000006430000-0x000000000695C000-memory.dmp
memory/3524-304-0x0000000005190000-0x000000000519A000-memory.dmp
memory/3524-303-0x0000000005320000-0x0000000005370000-memory.dmp
memory/3524-302-0x00000000052A0000-0x0000000005316000-memory.dmp
memory/3524-301-0x00000000055C0000-0x0000000005782000-memory.dmp
memory/3524-306-0x0000000005F40000-0x0000000005F5E000-memory.dmp
memory/3524-307-0x0000000006010000-0x0000000006076000-memory.dmp
memory/3524-284-0x0000000071760000-0x0000000072A77000-memory.dmp
memory/3524-298-0x0000000000B50000-0x0000000000C16000-memory.dmp
memory/4188-153-0x0000000072C60000-0x0000000072DDD000-memory.dmp
memory/4188-154-0x00007FFACF4A0000-0x00007FFACF6A9000-memory.dmp
memory/4188-212-0x0000000072C60000-0x0000000072DDD000-memory.dmp
memory/4608-280-0x0000018949D10000-0x0000018949D32000-memory.dmp
memory/4608-259-0x0000018944AE0000-0x0000018944B92000-memory.dmp
memory/4608-268-0x0000018944FB0000-0x00000189452B0000-memory.dmp
memory/4608-270-0x0000018949350000-0x0000018949358000-memory.dmp
memory/4608-271-0x00000189492D0000-0x0000018949308000-memory.dmp
memory/4608-272-0x00000189492A0000-0x00000189492AE000-memory.dmp
memory/4608-274-0x00000189499A0000-0x00000189499C2000-memory.dmp
memory/4608-273-0x0000018949340000-0x000001894934A000-memory.dmp
memory/4608-275-0x0000018949F20000-0x000001894A448000-memory.dmp
memory/4608-278-0x0000018949A40000-0x0000018949A90000-memory.dmp
memory/4608-279-0x00000189499C0000-0x00000189499CC000-memory.dmp
memory/4608-251-0x00000189269A0000-0x000001892A298000-memory.dmp
memory/4608-281-0x0000018949A20000-0x0000018949A3E000-memory.dmp
memory/4608-258-0x0000018944910000-0x000001894491A000-memory.dmp
memory/4608-263-0x0000018944F30000-0x0000018944FA6000-memory.dmp
memory/4608-264-0x000001892BF50000-0x000001892BF5A000-memory.dmp
memory/4608-260-0x0000018944930000-0x000001894495A000-memory.dmp
memory/4608-261-0x0000018944E30000-0x0000018944EAA000-memory.dmp
memory/4608-262-0x0000018944960000-0x00000189449C2000-memory.dmp
memory/4608-256-0x00000189448E0000-0x0000018944904000-memory.dmp
memory/4608-255-0x000001892C0B0000-0x000001892C0C4000-memory.dmp
memory/4608-254-0x000001892C0C0000-0x000001892C0CC000-memory.dmp
memory/4608-253-0x000001892C0A0000-0x000001892C0B0000-memory.dmp
memory/4608-252-0x0000018944BD0000-0x0000018944CE0000-memory.dmp
memory/5080-1-0x0000000001DD0000-0x0000000001ED0000-memory.dmp
memory/5080-183-0x0000000000400000-0x0000000001A3F000-memory.dmp
memory/5080-184-0x0000000000400000-0x0000000000470000-memory.dmp
memory/5080-3-0x0000000000400000-0x0000000000470000-memory.dmp
memory/5080-2-0x0000000003770000-0x00000000037DD000-memory.dmp