Analysis
- max time kernel
289s - max time network
298s - platform
windows10-1703_x64 - resource
win10-20240404-en - resource tags
- submitted
05/05/2024, 22:57
General
- Target ccc8a6f55ef2025afc69a9810d8dde726e5c3c71de31b59a3edf0610160dcdf9.exe
- Size 419KB
- Sample240505-2xbkeabf86
- SHA256 ccc8a6f55ef2025afc69a9810d8dde726e5c3c71de31b59a3edf0610160dcdf9
Malware Config
Extracted
-
stealc
-
http://185.172.128.150
-
url_path
/c698e1bc8a2f5e6d.php
Signatures
- Detect ZGRat V1 3 IoCs
- Detects Arechclient2 RAT 1 IoCs
Arechclient2.
- 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).
- 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 1 IoCs
- Suspicious use of WriteProcessMemory 20 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\ccc8a6f55ef2025afc69a9810d8dde726e5c3c71de31b59a3edf0610160dcdf9.exe"C:\Users\Admin\AppData\Local\Temp\ccc8a6f55ef2025afc69a9810d8dde726e5c3c71de31b59a3edf0610160dcdf9.exe"1⤵
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\u3wo.0.exe"C:\Users\Admin\AppData\Local\Temp\u3wo.0.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
-
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C:\Users\Admin\AppData\Local\Temp\u3wo.2\run.exe"C:\Users\Admin\AppData\Local\Temp\u3wo.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\u3wo.3.exe"C:\Users\Admin\AppData\Local\Temp\u3wo.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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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
Are.docx
mozglue.dll
1a0ffbce
ioloDMLog.txt
tmp1A1C.tmp
u3wo.0.exe
u3wo.1.zip
ASUS_WMI.dll
ATKEX.dll
AsIO.dll
doubled.doc
protactinium.log
run.exe
u3wo.3.exe
nss3.dll
memory/2100-106-0x0000000072E80000-0x0000000072FFB000-memory.dmp
memory/2100-107-0x00007FFA3E6A0000-0x00007FFA3E87B000-memory.dmp
memory/2100-114-0x0000000072E80000-0x0000000072FFB000-memory.dmp
memory/2472-257-0x000001D36CA50000-0x000001D36CA5C000-memory.dmp
memory/2472-228-0x000001D36C220000-0x000001D36C24A000-memory.dmp
memory/2472-248-0x000001D3705C0000-0x000001D3705F8000-memory.dmp
memory/2472-247-0x000001D370540000-0x000001D370548000-memory.dmp
memory/2472-263-0x000001D36CA90000-0x000001D36CAAE000-memory.dmp
memory/2472-250-0x000001D36CA30000-0x000001D36CA52000-memory.dmp
memory/2472-262-0x000001D370590000-0x000001D3705B2000-memory.dmp
memory/2472-236-0x000001D36C430000-0x000001D36C730000-memory.dmp
memory/2472-256-0x000001D371410000-0x000001D371460000-memory.dmp
memory/2472-197-0x000001D34DD60000-0x000001D351658000-memory.dmp
memory/2472-201-0x000001D36BE30000-0x000001D36BF40000-memory.dmp
memory/2472-202-0x000001D353220000-0x000001D353230000-memory.dmp
memory/2472-203-0x000001D36BB60000-0x000001D36BB6C000-memory.dmp
memory/2472-204-0x000001D353230000-0x000001D353244000-memory.dmp
memory/2472-205-0x000001D36BB80000-0x000001D36BBA4000-memory.dmp
memory/2472-232-0x000001D353210000-0x000001D35321A000-memory.dmp
memory/2472-251-0x000001D371940000-0x000001D371E66000-memory.dmp
memory/2472-226-0x000001D353200000-0x000001D35320A000-memory.dmp
memory/2472-227-0x000001D36C170000-0x000001D36C222000-memory.dmp
memory/2472-249-0x000001D36CA20000-0x000001D36CA2A000-memory.dmp
memory/2472-229-0x000001D36C250000-0x000001D36C2CA000-memory.dmp
memory/2472-230-0x000001D36C2D0000-0x000001D36C332000-memory.dmp
memory/2472-231-0x000001D36C3B0000-0x000001D36C426000-memory.dmp
memory/2476-193-0x0000000072E80000-0x0000000072FFB000-memory.dmp
memory/2476-132-0x00007FFA3E6A0000-0x00007FFA3E87B000-memory.dmp
memory/4164-252-0x0000000000400000-0x0000000002B02000-memory.dmp
memory/4164-176-0x0000000000400000-0x0000000002B02000-memory.dmp
memory/4164-150-0x0000000061E00000-0x0000000061EF3000-memory.dmp
memory/4356-265-0x0000000000A00000-0x0000000000AC6000-memory.dmp
memory/4356-267-0x00000000055B0000-0x0000000005AAE000-memory.dmp
memory/4356-286-0x0000000007630000-0x0000000007642000-memory.dmp
memory/4356-284-0x00000000075E0000-0x00000000075EA000-memory.dmp
memory/4356-274-0x0000000005CF0000-0x0000000005D56000-memory.dmp
memory/4356-273-0x0000000005530000-0x000000000554E000-memory.dmp
memory/4356-259-0x0000000071860000-0x0000000072BE3000-memory.dmp
memory/4356-272-0x00000000061B0000-0x00000000066DC000-memory.dmp
memory/4356-271-0x0000000002930000-0x000000000293A000-memory.dmp
memory/4356-270-0x0000000005130000-0x0000000005180000-memory.dmp
memory/4356-266-0x0000000004FE0000-0x0000000005072000-memory.dmp
memory/4356-269-0x00000000050B0000-0x0000000005126000-memory.dmp
memory/4356-268-0x0000000005AB0000-0x0000000005C72000-memory.dmp
memory/4540-177-0x0000000000400000-0x00000000008AD000-memory.dmp
memory/4540-196-0x0000000000400000-0x00000000008AD000-memory.dmp
memory/5064-3-0x0000000000400000-0x0000000000470000-memory.dmp
memory/5064-121-0x0000000000400000-0x0000000002B26000-memory.dmp
memory/5064-122-0x0000000002EF0000-0x0000000002F5D000-memory.dmp
memory/5064-2-0x0000000002EF0000-0x0000000002F5D000-memory.dmp
memory/5064-1-0x0000000002CF0000-0x0000000002DF0000-memory.dmp
memory/5064-123-0x0000000000400000-0x0000000000470000-memory.dmp
memory/5064-108-0x0000000000400000-0x0000000002B26000-memory.dmp