Analysis
- max time kernel
149s - max time network
150s - platform
windows11-21h2_x64 - resource
win11-20240419-en - resource tags
- submitted
04/05/2024, 08:46
General
- Target 2d5d41b6870f870206a72130162b8608c056e9d78b5b9258b727818bb484b1bb.exe
- Size 470KB
- Sample240504-kpla7sha5y
- SHA256 2d5d41b6870f870206a72130162b8608c056e9d78b5b9258b727818bb484b1bb
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 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 SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 20 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\2d5d41b6870f870206a72130162b8608c056e9d78b5b9258b727818bb484b1bb.exe"C:\Users\Admin\AppData\Local\Temp\2d5d41b6870f870206a72130162b8608c056e9d78b5b9258b727818bb484b1bb.exe"1⤵
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\u22k.0.exe"C:\Users\Admin\AppData\Local\Temp\u22k.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 4664 -s 24923⤵
- Program crash
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-
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C:\Users\Admin\AppData\Local\Temp\u22k.2\run.exe"C:\Users\Admin\AppData\Local\Temp\u22k.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\u22k.3.exe"C:\Users\Admin\AppData\Local\Temp\u22k.3.exe"2⤵
- Executes dropped EXE
- Checks SCSI registry key(s)
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
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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 2684 -s 15602⤵
- Program crash
-
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 2684 -ip 26841⤵
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 4664 -ip 46641⤵
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
Are.docx
mozglue.dll
nss3.dll
a9061479
ioloDMLog.txt
ioloDMLog.txt
tmpF8C8.tmp
tmpF8FA.tmp
u22k.0.exe
u22k.1.zip
ASUS_WMI.dll
ATKEX.dll
AsIO.dll
doubled.doc
protactinium.log
run.exe
u22k.3.exe
memory/1716-282-0x0000017EAB440000-0x0000017EAB44C000-memory.dmp
memory/1716-267-0x0000017EA64B0000-0x0000017EA64BA000-memory.dmp
memory/1716-284-0x0000017EAB510000-0x0000017EAB52E000-memory.dmp
memory/1716-283-0x0000017EAB4E0000-0x0000017EAB502000-memory.dmp
memory/1716-281-0x0000017EAB490000-0x0000017EAB4E0000-memory.dmp
memory/1716-278-0x0000017EABC20000-0x0000017EAC148000-memory.dmp
memory/1716-276-0x0000017EAB6C0000-0x0000017EAB6CA000-memory.dmp
memory/1716-277-0x0000017EAB6D0000-0x0000017EAB6F2000-memory.dmp
memory/1716-274-0x0000017EAAD60000-0x0000017EAAD98000-memory.dmp
memory/1716-275-0x0000017EAAD30000-0x0000017EAAD3E000-memory.dmp
memory/1716-273-0x0000017EAB420000-0x0000017EAB428000-memory.dmp
memory/1716-271-0x0000017EA6A00000-0x0000017EA6D00000-memory.dmp
memory/1716-266-0x0000017EA6980000-0x0000017EA69F6000-memory.dmp
memory/1716-255-0x0000017E88430000-0x0000017E8BD28000-memory.dmp
memory/1716-256-0x0000017EA64F0000-0x0000017EA6600000-memory.dmp
memory/1716-258-0x0000017EA6410000-0x0000017EA641C000-memory.dmp
memory/1716-257-0x0000017EA6260000-0x0000017EA6270000-memory.dmp
memory/1716-259-0x0000017EA6290000-0x0000017EA62A4000-memory.dmp
memory/1716-260-0x0000017EA6470000-0x0000017EA6494000-memory.dmp
memory/1716-261-0x0000017EA64A0000-0x0000017EA64AA000-memory.dmp
memory/1716-262-0x0000017EA6750000-0x0000017EA6802000-memory.dmp
memory/1716-264-0x0000017EA64C0000-0x0000017EA64EA000-memory.dmp
memory/1716-265-0x0000017EA68A0000-0x0000017EA6902000-memory.dmp
memory/1716-263-0x0000017EA6800000-0x0000017EA687A000-memory.dmp
memory/2684-1-0x0000000001D20000-0x0000000001E20000-memory.dmp
memory/2684-177-0x0000000000400000-0x0000000001A3F000-memory.dmp
memory/2684-3-0x0000000000400000-0x0000000000470000-memory.dmp
memory/2684-2-0x0000000001CB0000-0x0000000001D1D000-memory.dmp
memory/2684-178-0x0000000000400000-0x0000000000470000-memory.dmp
memory/3480-297-0x00000000056B0000-0x00000000056BA000-memory.dmp
memory/3480-293-0x0000000005CF0000-0x0000000006296000-memory.dmp
memory/3480-319-0x0000000007CD0000-0x0000000007CDA000-memory.dmp
memory/3480-300-0x0000000006490000-0x00000000064F6000-memory.dmp
memory/3480-299-0x00000000063C0000-0x00000000063DE000-memory.dmp
memory/3480-298-0x00000000068D0000-0x0000000006DFC000-memory.dmp
memory/3480-296-0x00000000057C0000-0x0000000005810000-memory.dmp
memory/3480-295-0x0000000005740000-0x00000000057B6000-memory.dmp
memory/3480-294-0x0000000005A70000-0x0000000005C32000-memory.dmp
memory/3480-288-0x0000000072EA0000-0x00000000741B7000-memory.dmp
memory/3480-291-0x0000000000F00000-0x0000000000FC6000-memory.dmp
memory/3480-292-0x0000000005600000-0x0000000005692000-memory.dmp
memory/3944-144-0x00007FFF709E0000-0x00007FFF70BE9000-memory.dmp
memory/3944-209-0x0000000072B90000-0x0000000072D0D000-memory.dmp
memory/3944-136-0x0000000072B90000-0x0000000072D0D000-memory.dmp
memory/4256-254-0x0000000000400000-0x00000000008AD000-memory.dmp
memory/4256-242-0x0000000000400000-0x00000000008AD000-memory.dmp
memory/4664-224-0x0000000000400000-0x0000000001A1B000-memory.dmp
memory/4664-17-0x0000000000400000-0x0000000001A1B000-memory.dmp
memory/4664-120-0x0000000061E00000-0x0000000061EF3000-memory.dmp
memory/4664-16-0x0000000000400000-0x0000000001A1B000-memory.dmp
memory/4984-286-0x0000000072B90000-0x0000000072D0D000-memory.dmp
memory/4984-240-0x00007FFF709E0000-0x00007FFF70BE9000-memory.dmp