Analysis
- max time kernel
139s - max time network
140s - platform
windows11-21h2_x64 - resource
win11-20240419-en - resource tags
- submitted
03/05/2024, 16:00
General
- Target 2de8436e46203d3d9a18c9d24b592f31c0b45c567f5c63abb308f08918fd43e8.exe
- Size 455KB
- Sample240503-tfy1dade43
- SHA256 2de8436e46203d3d9a18c9d24b592f31c0b45c567f5c63abb308f08918fd43e8
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 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 WriteProcessMemory 20 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\2de8436e46203d3d9a18c9d24b592f31c0b45c567f5c63abb308f08918fd43e8.exe"C:\Users\Admin\AppData\Local\Temp\2de8436e46203d3d9a18c9d24b592f31c0b45c567f5c63abb308f08918fd43e8.exe"1⤵
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\u1sw.0.exe"C:\Users\Admin\AppData\Local\Temp\u1sw.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 872 -s 21243⤵
- Program crash
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-
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C:\Users\Admin\AppData\Local\Temp\u1sw.2\run.exe"C:\Users\Admin\AppData\Local\Temp\u1sw.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
-
-
-
-
C:\Users\Admin\AppData\Local\Temp\u1sw.3.exe"C:\Users\Admin\AppData\Local\Temp\u1sw.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 2336 -s 11602⤵
- Program crash
-
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 2336 -ip 23361⤵
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 556 -p 872 -ip 8721⤵
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
Are.docx
mozglue.dll
nss3.dll
8b83b42a
tmpD4C6.tmp
tmpD4E8.tmp
u1sw.0.exe
u1sw.1.zip
ASUS_WMI.dll
ATKEX.dll
AsIO.dll
doubled.doc
protactinium.log
run.exe
u1sw.3.exe
memory/872-64-0x0000000061E00000-0x0000000061EF3000-memory.dmp
memory/872-223-0x0000000000400000-0x0000000001A18000-memory.dmp
memory/872-17-0x0000000000400000-0x0000000001A18000-memory.dmp
memory/872-16-0x0000000000400000-0x0000000001A18000-memory.dmp
memory/1564-259-0x0000019BACE40000-0x0000019BACE50000-memory.dmp
memory/1564-273-0x0000019BAD650000-0x0000019BAD950000-memory.dmp
memory/1564-286-0x0000019BB2160000-0x0000019BB217E000-memory.dmp
memory/1564-285-0x0000019BB2130000-0x0000019BB2152000-memory.dmp
memory/1564-284-0x0000019BB2090000-0x0000019BB209C000-memory.dmp
memory/1564-283-0x0000019BB20E0000-0x0000019BB2130000-memory.dmp
memory/1564-280-0x0000019BB2870000-0x0000019BB2D98000-memory.dmp
memory/1564-279-0x0000019BB2320000-0x0000019BB2342000-memory.dmp
memory/1564-278-0x0000019BB2310000-0x0000019BB231A000-memory.dmp
memory/1564-277-0x0000019BB1980000-0x0000019BB198E000-memory.dmp
memory/1564-257-0x0000019B8F080000-0x0000019B92978000-memory.dmp
memory/1564-258-0x0000019BAD130000-0x0000019BAD240000-memory.dmp
memory/1564-260-0x0000019BAD060000-0x0000019BAD06C000-memory.dmp
memory/1564-276-0x0000019BB19B0000-0x0000019BB19E8000-memory.dmp
memory/1564-261-0x0000019BAD050000-0x0000019BAD064000-memory.dmp
memory/1564-262-0x0000019BAD0C0000-0x0000019BAD0E4000-memory.dmp
memory/1564-263-0x0000019BAD0F0000-0x0000019BAD0FA000-memory.dmp
memory/1564-264-0x0000019BAD390000-0x0000019BAD442000-memory.dmp
memory/1564-265-0x0000019BAD440000-0x0000019BAD46A000-memory.dmp
memory/1564-266-0x0000019BAD470000-0x0000019BAD4EA000-memory.dmp
memory/1564-267-0x0000019BAD4F0000-0x0000019BAD552000-memory.dmp
memory/1564-268-0x0000019BAD5D0000-0x0000019BAD646000-memory.dmp
memory/1564-269-0x0000019BAD100000-0x0000019BAD10A000-memory.dmp
memory/1564-275-0x0000019BB2070000-0x0000019BB2078000-memory.dmp
memory/2336-207-0x0000000000400000-0x0000000000470000-memory.dmp
memory/2336-1-0x0000000001B90000-0x0000000001C90000-memory.dmp
memory/2336-2-0x0000000003610000-0x000000000367D000-memory.dmp
memory/2336-3-0x0000000000400000-0x0000000000470000-memory.dmp
memory/2336-208-0x0000000003610000-0x000000000367D000-memory.dmp
memory/2336-206-0x0000000000400000-0x0000000001A3C000-memory.dmp
memory/2688-299-0x0000000005000000-0x000000000500A000-memory.dmp
memory/2688-296-0x0000000005320000-0x00000000054E2000-memory.dmp
memory/2688-302-0x0000000005DF0000-0x0000000005E56000-memory.dmp
memory/2688-301-0x0000000005560000-0x000000000557E000-memory.dmp
memory/2688-300-0x00000000062B0000-0x00000000067DC000-memory.dmp
memory/2688-290-0x0000000072790000-0x0000000073AA7000-memory.dmp
memory/2688-293-0x0000000000800000-0x00000000008C6000-memory.dmp
memory/2688-294-0x0000000004F40000-0x0000000004FD2000-memory.dmp
memory/2688-295-0x00000000055D0000-0x0000000005B76000-memory.dmp
memory/2688-298-0x00000000051A0000-0x00000000051F0000-memory.dmp
memory/2688-297-0x00000000050A0000-0x0000000005116000-memory.dmp
memory/3136-160-0x00007FFFFF880000-0x00007FFFFFA89000-memory.dmp
memory/3136-159-0x00000000721F0000-0x000000007236D000-memory.dmp
memory/3136-224-0x00000000721F0000-0x000000007236D000-memory.dmp
memory/3372-244-0x0000000000400000-0x00000000008AD000-memory.dmp
memory/3372-256-0x0000000000400000-0x00000000008AD000-memory.dmp
memory/4052-242-0x00007FFFFF880000-0x00007FFFFFA89000-memory.dmp
memory/4052-288-0x00000000721F0000-0x000000007236D000-memory.dmp