Analysis
- max time kernel
147s - max time network
149s - platform
windows11-21h2_x64 - resource
win11-20240419-en - resource tags
- submitted
03/05/2024, 22:15
General
- Target 3e20b622915732e86f9ce1f131154539bd746d4c75e36f676609f6f60e03d0c6.exe
- Size 453KB
- Sample240503-16kn1aaf43
- SHA256 3e20b622915732e86f9ce1f131154539bd746d4c75e36f676609f6f60e03d0c6
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 29 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\3e20b622915732e86f9ce1f131154539bd746d4c75e36f676609f6f60e03d0c6.exe"C:\Users\Admin\AppData\Local\Temp\3e20b622915732e86f9ce1f131154539bd746d4c75e36f676609f6f60e03d0c6.exe"1⤵
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\u1c8.0.exe"C:\Users\Admin\AppData\Local\Temp\u1c8.0.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 1520 -s 25203⤵
- Program crash
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-
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C:\Users\Admin\AppData\Local\Temp\u1c8.2\run.exe"C:\Users\Admin\AppData\Local\Temp\u1c8.2\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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-
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C:\Users\Admin\AppData\Local\Temp\u1c8.3.exe"C:\Users\Admin\AppData\Local\Temp\u1c8.3.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 1736 -s 15162⤵
- Program crash
-
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 1736 -ip 17361⤵
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 400 -p 1520 -ip 15201⤵
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
Are.docx
mozglue.dll
nss3.dll
a73f16c6
tmp58A.tmp
tmp5AC.tmp
u1c8.0.exe
u1c8.1.zip
ASUS_WMI.dll
ATKEX.dll
AsIO.dll
doubled.doc
protactinium.log
run.exe
u1c8.3.exe
memory/1520-295-0x0000000000400000-0x0000000001A17000-memory.dmp
memory/1520-201-0x0000000000400000-0x0000000001A17000-memory.dmp
memory/1520-17-0x0000000000400000-0x0000000001A17000-memory.dmp
memory/1520-16-0x0000000000400000-0x0000000001A17000-memory.dmp
memory/1520-18-0x0000000000400000-0x0000000001A17000-memory.dmp
memory/1520-20-0x0000000061E00000-0x0000000061EF3000-memory.dmp
memory/1736-197-0x0000000000400000-0x0000000001A3B000-memory.dmp
memory/1736-3-0x0000000000400000-0x0000000000470000-memory.dmp
memory/1736-1-0x0000000001BD0000-0x0000000001CD0000-memory.dmp
memory/1736-216-0x0000000001BD0000-0x0000000001CD0000-memory.dmp
memory/1736-219-0x0000000003750000-0x00000000037BD000-memory.dmp
memory/1736-218-0x0000000000400000-0x0000000000470000-memory.dmp
memory/1736-217-0x0000000000400000-0x0000000001A3B000-memory.dmp
memory/1736-2-0x0000000003750000-0x00000000037BD000-memory.dmp
memory/2852-261-0x00000188BC810000-0x00000188BC834000-memory.dmp
memory/2852-279-0x00000188C1E90000-0x00000188C23B8000-memory.dmp
memory/2852-256-0x000001889E6A0000-0x00000188A1F98000-memory.dmp
memory/2852-257-0x00000188BC700000-0x00000188BC810000-memory.dmp
memory/2852-259-0x00000188A3D60000-0x00000188A3D6C000-memory.dmp
memory/2852-258-0x00000188A3D20000-0x00000188A3D30000-memory.dmp
memory/2852-260-0x00000188A3D50000-0x00000188A3D64000-memory.dmp
memory/2852-287-0x00000188C1790000-0x00000188C17AE000-memory.dmp
memory/2852-262-0x00000188BC990000-0x00000188BC99A000-memory.dmp
memory/2852-263-0x00000188BC9A0000-0x00000188BCA52000-memory.dmp
memory/2852-264-0x00000188BCA60000-0x00000188BCA8A000-memory.dmp
memory/2852-265-0x00000188BCA90000-0x00000188BCB0A000-memory.dmp
memory/2852-266-0x00000188BCB10000-0x00000188BCB72000-memory.dmp
memory/2852-267-0x00000188BCBF0000-0x00000188BCC66000-memory.dmp
memory/2852-268-0x00000188A3CC0000-0x00000188A3CCA000-memory.dmp
memory/2852-272-0x00000188BCC70000-0x00000188BCF70000-memory.dmp
memory/2852-274-0x00000188C1690000-0x00000188C1698000-memory.dmp
memory/2852-275-0x00000188C1010000-0x00000188C1048000-memory.dmp
memory/2852-276-0x00000188C0FE0000-0x00000188C0FEE000-memory.dmp
memory/2852-278-0x00000188C1940000-0x00000188C1962000-memory.dmp
memory/2852-277-0x00000188C16A0000-0x00000188C16AA000-memory.dmp
memory/2852-286-0x00000188C1760000-0x00000188C1782000-memory.dmp
memory/2852-282-0x00000188C1710000-0x00000188C1760000-memory.dmp
memory/2852-283-0x00000188C16C0000-0x00000188C16CC000-memory.dmp
memory/3304-304-0x0000000004F90000-0x0000000005006000-memory.dmp
memory/3304-307-0x0000000006020000-0x000000000654C000-memory.dmp
memory/3304-330-0x0000000000B10000-0x0000000000B22000-memory.dmp
memory/3304-328-0x00000000074A0000-0x00000000074AA000-memory.dmp
memory/3304-309-0x0000000005C50000-0x0000000005CB6000-memory.dmp
memory/3304-297-0x0000000070E10000-0x0000000072127000-memory.dmp
memory/3304-300-0x0000000000700000-0x00000000007C6000-memory.dmp
memory/3304-301-0x0000000004DB0000-0x0000000004E42000-memory.dmp
memory/3304-303-0x0000000005160000-0x0000000005322000-memory.dmp
memory/3304-308-0x0000000005B80000-0x0000000005B9E000-memory.dmp
memory/3304-306-0x0000000004E70000-0x0000000004E7A000-memory.dmp
memory/3304-305-0x0000000004F30000-0x0000000004F80000-memory.dmp
memory/3304-302-0x0000000005440000-0x00000000059E6000-memory.dmp
memory/3396-198-0x0000000072660000-0x00000000727DD000-memory.dmp
memory/3396-161-0x00007FFE6E9E0000-0x00007FFE6EBE9000-memory.dmp
memory/3396-160-0x0000000072660000-0x00000000727DD000-memory.dmp
memory/3560-284-0x0000000072660000-0x00000000727DD000-memory.dmp
memory/3560-220-0x00007FFE6E9E0000-0x00007FFE6EBE9000-memory.dmp
memory/5088-255-0x0000000000400000-0x00000000008AD000-memory.dmp
memory/5088-243-0x0000000000400000-0x00000000008AD000-memory.dmp