Analysis
- max time kernel
291s - max time network
297s - platform
windows10-1703_x64 - resource
win10-20240404-en - resource tags
- submitted
07/05/2024, 23:58
General
- Target ccc8a6f55ef2025afc69a9810d8dde726e5c3c71de31b59a3edf0610160dcdf9.exe
- Size 419KB
- Sample240507-31lefsac53
- SHA256 ccc8a6f55ef2025afc69a9810d8dde726e5c3c71de31b59a3edf0610160dcdf9
Malware Config
Extracted
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stealc
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http://185.172.128.150
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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.
- Delays execution with timeout.exe 1 IoCs
- Suspicious behavior: EnumeratesProcesses 24 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 26 IoCs
Processes
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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\u32s.0.exe"C:\Users\Admin\AppData\Local\Temp\u32s.0.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\system32\cmd.exe" /c timeout /t 5 & del /f /q "C:\Users\Admin\AppData\Local\Temp\u32s.0.exe" & del "C:\ProgramData\*.dll"" & exit3⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\timeout.exetimeout /t 54⤵
- Delays execution with timeout.exe
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C:\Users\Admin\AppData\Local\Temp\u32s.2\run.exe"C:\Users\Admin\AppData\Local\Temp\u32s.2\run.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\cmd.exeC:\Windows\SysWOW64\cmd.exe3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
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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\u32s.3.exe"C:\Users\Admin\AppData\Local\Temp\u32s.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
4286e06d
ioloDMLog.txt
tmp38C0.tmp
u32s.0.exe
u32s.1.zip
ASUS_WMI.dll
ATKEX.dll
AsIO.dll
doubled.doc
protactinium.log
run.exe
u32s.3.exe
nss3.dll
memory/384-181-0x0000000005580000-0x0000000005A7E000-memory.dmp
memory/384-167-0x0000000070DC0000-0x0000000072143000-memory.dmp
memory/384-221-0x0000000007750000-0x000000000775A000-memory.dmp
memory/384-188-0x0000000005DC0000-0x0000000005E26000-memory.dmp
memory/384-187-0x0000000005CE0000-0x0000000005CFE000-memory.dmp
memory/384-186-0x00000000061B0000-0x00000000066DC000-memory.dmp
memory/384-185-0x00000000050B0000-0x00000000050BA000-memory.dmp
memory/384-184-0x00000000051B0000-0x0000000005200000-memory.dmp
memory/384-183-0x0000000005130000-0x00000000051A6000-memory.dmp
memory/384-179-0x0000000000B00000-0x0000000000BC6000-memory.dmp
memory/384-182-0x0000000005300000-0x00000000054C2000-memory.dmp
memory/384-180-0x0000000004FE0000-0x0000000005072000-memory.dmp
memory/780-153-0x0000000000400000-0x0000000002AFE000-memory.dmp
memory/780-253-0x0000000000400000-0x0000000002AFE000-memory.dmp
memory/780-296-0x0000000000400000-0x0000000002AFE000-memory.dmp
memory/780-225-0x0000000000400000-0x0000000002AFE000-memory.dmp
memory/780-226-0x0000000061E00000-0x0000000061EF3000-memory.dmp
memory/3496-135-0x00007FFC45E60000-0x00007FFC4603B000-memory.dmp
memory/3496-155-0x00000000728E0000-0x0000000072A5B000-memory.dmp
memory/3988-126-0x0000000000400000-0x0000000000470000-memory.dmp
memory/3988-2-0x0000000004780000-0x00000000047ED000-memory.dmp
memory/3988-3-0x0000000000400000-0x0000000000470000-memory.dmp
memory/3988-1-0x0000000002D90000-0x0000000002E90000-memory.dmp
memory/3988-115-0x0000000002D90000-0x0000000002E90000-memory.dmp
memory/3988-125-0x0000000000400000-0x0000000002B26000-memory.dmp
memory/3988-4-0x0000000000400000-0x0000000002B26000-memory.dmp
memory/3988-114-0x0000000000400000-0x0000000002B26000-memory.dmp
memory/3988-120-0x0000000000400000-0x0000000000470000-memory.dmp
memory/3988-116-0x0000000004780000-0x00000000047ED000-memory.dmp
memory/4288-172-0x0000000000400000-0x00000000008AD000-memory.dmp
memory/4288-154-0x0000000000400000-0x00000000008AD000-memory.dmp
memory/4364-190-0x0000024CA60E0000-0x0000024CA610A000-memory.dmp
memory/4364-174-0x0000024CA6260000-0x0000024CA636A000-memory.dmp
memory/4364-189-0x0000024C8BE70000-0x0000024C8BE7A000-memory.dmp
memory/4364-192-0x0000024CA66A0000-0x0000024CA66F0000-memory.dmp
memory/4364-193-0x0000024CA6650000-0x0000024CA6672000-memory.dmp
memory/4364-194-0x0000024C8BE80000-0x0000024C8BE8A000-memory.dmp
memory/4364-198-0x0000024CA66F0000-0x0000024CA69F0000-memory.dmp
memory/4364-202-0x0000024CAA8A0000-0x0000024CAA8A8000-memory.dmp
memory/4364-201-0x0000024CAA8C0000-0x0000024CAA8F8000-memory.dmp
memory/4364-200-0x0000024CAA840000-0x0000024CAA848000-memory.dmp
memory/4364-203-0x0000024CAB9D0000-0x0000024CAB9DA000-memory.dmp
memory/4364-204-0x0000024CAB9F0000-0x0000024CABA52000-memory.dmp
memory/4364-205-0x0000024CABA50000-0x0000024CABA72000-memory.dmp
memory/4364-206-0x0000024CABFA0000-0x0000024CAC4C6000-memory.dmp
memory/4364-209-0x0000024CAB9E0000-0x0000024CAB9EC000-memory.dmp
memory/4364-309-0x0000024CABAB0000-0x0000024CABAD4000-memory.dmp
memory/4364-219-0x0000024CABB30000-0x0000024CABBA6000-memory.dmp
memory/4364-178-0x0000024CA5F60000-0x0000024CA5F84000-memory.dmp
memory/4364-222-0x0000024CABA90000-0x0000024CABAAE000-memory.dmp
memory/4364-224-0x0000024CABAB0000-0x0000024CABAD4000-memory.dmp
memory/4364-177-0x0000024CA5F30000-0x0000024CA5F44000-memory.dmp
memory/4364-176-0x0000024CA5F40000-0x0000024CA5F4C000-memory.dmp
memory/4364-191-0x0000024CA65A0000-0x0000024CA6652000-memory.dmp
memory/4364-175-0x0000024C8D760000-0x0000024C8D770000-memory.dmp
memory/4364-173-0x0000024C88200000-0x0000024C8BA34000-memory.dmp
memory/4364-308-0x0000024CABAB0000-0x0000024CABAD4000-memory.dmp
memory/4364-299-0x0000024CABAB0000-0x0000024CABAD4000-memory.dmp
memory/4364-297-0x0000024CABAB0000-0x0000024CABAD4000-memory.dmp
memory/5076-117-0x00000000728E0000-0x0000000072A5B000-memory.dmp
memory/5076-108-0x00007FFC45E60000-0x00007FFC4603B000-memory.dmp
memory/5076-107-0x00000000728E0000-0x0000000072A5B000-memory.dmp