Analysis
- max time kernel
150s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20240419-en - resource tags
- submitted
03/05/2024, 00:17
General
- Target 73759cf858da73787b7ae246936539f96701919f5423a16a9ea546e2af7b1c1d.exe
- Size 445KB
- Sample240503-albbqaab81
- SHA256 73759cf858da73787b7ae246936539f96701919f5423a16a9ea546e2af7b1c1d
Malware Config
Extracted
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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
- Checks computer location settings 2 TTPs 2 IoCs
Looks up country code configured in the registry, likely geofence.
- Executes dropped EXE 3 IoCs
- Loads dropped DLL 3 IoCs
- Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- 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\73759cf858da73787b7ae246936539f96701919f5423a16a9ea546e2af7b1c1d.exe"C:\Users\Admin\AppData\Local\Temp\73759cf858da73787b7ae246936539f96701919f5423a16a9ea546e2af7b1c1d.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\u2zo.0.exe"C:\Users\Admin\AppData\Local\Temp\u2zo.0.exe"2⤵
- Executes dropped EXE
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3904 -s 10923⤵
- Program crash
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C:\Users\Admin\AppData\Local\Temp\u2zo.2\run.exe"C:\Users\Admin\AppData\Local\Temp\u2zo.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\u2zo.3.exe"C:\Users\Admin\AppData\Local\Temp\u2zo.3.exe"2⤵
- Checks computer location settings
- 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 3876 -s 10322⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 3904 -ip 39041⤵
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 512 -p 3876 -ip 38761⤵
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
f30480c9
ioloDMLog.txt
tmp5DD7.tmp
tmp5E19.tmp
u2zo.0.exe
u2zo.1.zip
ASUS_WMI.dll
ATKEX.dll
AsIO.dll
doubled.doc
protactinium.log
run.exe
u2zo.3.exe
memory/624-153-0x00007FFC40AF0000-0x00007FFC40CE5000-memory.dmp
memory/624-192-0x00000000731E0000-0x000000007335B000-memory.dmp
memory/1260-198-0x0000000000400000-0x00000000008AD000-memory.dmp
memory/1260-209-0x0000000000400000-0x00000000008AD000-memory.dmp
memory/1840-211-0x00000165773D0000-0x00000165774E0000-memory.dmp
memory/1840-224-0x00000165759D0000-0x00000165759DA000-memory.dmp
memory/1840-268-0x000001657CAF0000-0x000001657CB0E000-memory.dmp
memory/1840-266-0x000001657CAC0000-0x000001657CAE2000-memory.dmp
memory/1840-265-0x000001657CA20000-0x000001657CA2C000-memory.dmp
memory/1840-264-0x000001657CA70000-0x000001657CAC0000-memory.dmp
memory/1840-261-0x000001657D1F0000-0x000001657D718000-memory.dmp
memory/1840-244-0x000001657BBD0000-0x000001657BBDA000-memory.dmp
memory/1840-248-0x000001657CCA0000-0x000001657CCC2000-memory.dmp
memory/1840-239-0x000001657BB50000-0x000001657BB88000-memory.dmp
memory/1840-240-0x000001657BB10000-0x000001657BB1E000-memory.dmp
memory/1840-238-0x000001657B440000-0x000001657B448000-memory.dmp
memory/1840-235-0x0000016577830000-0x0000016577B30000-memory.dmp
memory/1840-231-0x00000165759E0000-0x00000165759EA000-memory.dmp
memory/1840-227-0x0000016577240000-0x00000165772BA000-memory.dmp
memory/1840-228-0x00000165776D0000-0x0000016577732000-memory.dmp
memory/1840-210-0x0000016570360000-0x0000016573C58000-memory.dmp
memory/1840-229-0x00000165777B0000-0x0000016577826000-memory.dmp
memory/1840-213-0x0000016575A00000-0x0000016575A0C000-memory.dmp
memory/1840-212-0x0000016575980000-0x0000016575990000-memory.dmp
memory/1840-214-0x00000165759F0000-0x0000016575A04000-memory.dmp
memory/1840-215-0x0000016577190000-0x00000165771B4000-memory.dmp
memory/1840-225-0x0000016577210000-0x000001657723A000-memory.dmp
memory/1840-226-0x0000016577620000-0x00000165776D2000-memory.dmp
memory/2492-221-0x00000000050A0000-0x00000000050F0000-memory.dmp
memory/2492-237-0x0000000005CC0000-0x0000000005D26000-memory.dmp
memory/2492-220-0x0000000004F80000-0x0000000004FF6000-memory.dmp
memory/2492-267-0x00000000074F0000-0x00000000074FA000-memory.dmp
memory/2492-222-0x0000000004ED0000-0x0000000004EDA000-memory.dmp
memory/2492-223-0x0000000006090000-0x00000000065BC000-memory.dmp
memory/2492-218-0x00000000054B0000-0x0000000005A54000-memory.dmp
memory/2492-217-0x0000000004E00000-0x0000000004E92000-memory.dmp
memory/2492-216-0x0000000000900000-0x00000000009C6000-memory.dmp
memory/2492-219-0x0000000005270000-0x0000000005432000-memory.dmp
memory/2492-194-0x00000000714B0000-0x0000000072704000-memory.dmp
memory/2492-230-0x0000000005BD0000-0x0000000005BEE000-memory.dmp
memory/3640-150-0x00000000731E0000-0x000000007335B000-memory.dmp
memory/3640-142-0x00000000731E0000-0x000000007335B000-memory.dmp
memory/3640-143-0x00007FFC40AF0000-0x00007FFC40CE5000-memory.dmp
memory/3876-3-0x0000000000400000-0x0000000000470000-memory.dmp
memory/3876-2-0x0000000002FD0000-0x000000000303D000-memory.dmp
memory/3876-171-0x0000000000400000-0x0000000002B2D000-memory.dmp
memory/3876-172-0x0000000000400000-0x0000000000470000-memory.dmp
memory/3876-21-0x0000000002C50000-0x0000000002D50000-memory.dmp
memory/3876-16-0x0000000000400000-0x0000000002B2D000-memory.dmp
memory/3876-22-0x0000000002FD0000-0x000000000303D000-memory.dmp
memory/3876-149-0x0000000000400000-0x0000000002B2D000-memory.dmp
memory/3876-24-0x0000000000400000-0x0000000000470000-memory.dmp
memory/3876-1-0x0000000002C50000-0x0000000002D50000-memory.dmp
memory/3904-20-0x0000000000400000-0x0000000002B09000-memory.dmp
memory/3904-17-0x0000000000400000-0x0000000002B09000-memory.dmp
memory/3904-36-0x0000000000400000-0x0000000002B09000-memory.dmp
memory/3904-18-0x0000000000400000-0x0000000002B09000-memory.dmp