Analysis
- max time kernel
142s - max time network
137s - platform
windows11-21h2_x64 - resource
win11-20240426-en - resource tags
- submitted
02/05/2024, 12:39
General
- Target 5aefad37ceba0fd7bab6dd497469f59bc27ff7a4a4befa7e3d3c73e5a17ff020.exe
- Size 417KB
- Sample240502-pvrsdsbb65
- SHA256 5aefad37ceba0fd7bab6dd497469f59bc27ff7a4a4befa7e3d3c73e5a17ff020
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 27 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
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C:\Users\Admin\AppData\Local\Temp\5aefad37ceba0fd7bab6dd497469f59bc27ff7a4a4befa7e3d3c73e5a17ff020.exe"C:\Users\Admin\AppData\Local\Temp\5aefad37ceba0fd7bab6dd497469f59bc27ff7a4a4befa7e3d3c73e5a17ff020.exe"1⤵
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\u2r8.0.exe"C:\Users\Admin\AppData\Local\Temp\u2r8.0.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 2524 -s 24803⤵
- Program crash
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-
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C:\Users\Admin\AppData\Local\Temp\u2r8.2\run.exe"C:\Users\Admin\AppData\Local\Temp\u2r8.2\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\u2r8.3.exe"C:\Users\Admin\AppData\Local\Temp\u2r8.3.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 3572 -s 15522⤵
- Program crash
-
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 2524 -ip 25241⤵
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 556 -p 3572 -ip 35721⤵
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
Are.docx
mozglue.dll
nss3.dll
c6e51372
ioloDMLog.txt
u2r8.0.exe
u2r8.1.zip
UIxMarketPlugin.dll
bunch.dat
relay.dll
run.exe
whale.dbf
u2r8.3.exe
memory/816-291-0x0000000005F60000-0x0000000006506000-memory.dmp
memory/816-295-0x00000000058E0000-0x00000000058EA000-memory.dmp
memory/816-293-0x0000000005A30000-0x0000000005AA6000-memory.dmp
memory/816-289-0x0000000001100000-0x00000000011C6000-memory.dmp
memory/816-294-0x00000000059E0000-0x0000000005A30000-memory.dmp
memory/816-290-0x0000000005910000-0x00000000059A2000-memory.dmp
memory/816-286-0x0000000073110000-0x0000000074427000-memory.dmp
memory/816-292-0x0000000005D30000-0x0000000005EF2000-memory.dmp
memory/1980-252-0x0000000000400000-0x00000000008AD000-memory.dmp
memory/1980-240-0x0000000000400000-0x00000000008AD000-memory.dmp
memory/2524-17-0x0000000000400000-0x0000000001A0F000-memory.dmp
memory/2524-198-0x0000000000400000-0x0000000001A0F000-memory.dmp
memory/2524-16-0x0000000000400000-0x0000000001A0F000-memory.dmp
memory/2524-18-0x0000000000400000-0x0000000001A0F000-memory.dmp
memory/2524-19-0x0000000061E00000-0x0000000061EF3000-memory.dmp
memory/3216-220-0x0000000072630000-0x00000000727AD000-memory.dmp
memory/3216-179-0x00007FF94B7E0000-0x00007FF94B9E9000-memory.dmp
memory/3216-178-0x0000000072630000-0x00000000727AD000-memory.dmp
memory/3316-254-0x0000026BB42C0000-0x0000026BB43D0000-memory.dmp
memory/3316-274-0x0000026BB94D0000-0x0000026BB94DA000-memory.dmp
memory/3316-255-0x0000026B9B640000-0x0000026B9B650000-memory.dmp
memory/3316-256-0x0000026BB3F60000-0x0000026BB3F6C000-memory.dmp
memory/3316-257-0x0000026BB3F50000-0x0000026BB3F64000-memory.dmp
memory/3316-258-0x0000026BB3F80000-0x0000026BB3FA4000-memory.dmp
memory/3316-259-0x0000026BB43D0000-0x0000026BB43DA000-memory.dmp
memory/3316-261-0x0000026BB4610000-0x0000026BB46C2000-memory.dmp
memory/3316-260-0x0000026BB43F0000-0x0000026BB441A000-memory.dmp
memory/3316-264-0x0000026BB47A0000-0x0000026BB4816000-memory.dmp
memory/3316-263-0x0000026BB46C0000-0x0000026BB4722000-memory.dmp
memory/3316-262-0x0000026BB4420000-0x0000026BB449A000-memory.dmp
memory/3316-265-0x0000026BB3F30000-0x0000026BB3F3A000-memory.dmp
memory/3316-269-0x0000026BB4820000-0x0000026BB4B20000-memory.dmp
memory/3316-271-0x0000026BB9230000-0x0000026BB9238000-memory.dmp
memory/3316-273-0x0000026BB8B40000-0x0000026BB8B4E000-memory.dmp
memory/3316-272-0x0000026BB8B70000-0x0000026BB8BA8000-memory.dmp
memory/3316-296-0x0000026BB4100000-0x0000026BB42B3000-memory.dmp
memory/3316-275-0x0000026BB9250000-0x0000026BB9272000-memory.dmp
memory/3316-276-0x0000026BB9A10000-0x0000026BB9F38000-memory.dmp
memory/3316-279-0x0000026BB92C0000-0x0000026BB9310000-memory.dmp
memory/3316-280-0x0000026BB9270000-0x0000026BB927C000-memory.dmp
memory/3316-281-0x0000026BB9310000-0x0000026BB9332000-memory.dmp
memory/3316-253-0x0000026B96080000-0x0000026B99978000-memory.dmp
memory/3316-283-0x0000026BB9340000-0x0000026BB935E000-memory.dmp
memory/3572-213-0x0000000000400000-0x0000000001A33000-memory.dmp
memory/3572-214-0x0000000003780000-0x00000000037ED000-memory.dmp
memory/3572-215-0x0000000000400000-0x0000000000470000-memory.dmp
memory/3572-80-0x0000000000400000-0x0000000001A33000-memory.dmp
memory/3572-3-0x0000000000400000-0x0000000000470000-memory.dmp
memory/3572-2-0x0000000003780000-0x00000000037ED000-memory.dmp
memory/3572-1-0x0000000001BD0000-0x0000000001CD0000-memory.dmp
memory/3876-282-0x0000000072630000-0x00000000727AD000-memory.dmp
memory/3876-238-0x00007FF94B7E0000-0x00007FF94B9E9000-memory.dmp