Analysis
- max time kernel
135s - max time network
136s - platform
windows10-2004_x64 - resource
win10v2004-20240419-en - resource tags
- submitted
04/05/2024, 02:12
General
- Target b9d3be63963c5f10e21c35b01345f931f441e3e1d40680348c5c7e5ad45d1159.exe
- Size 417KB
- Sample240504-cm1dcadf72
- SHA256 b9d3be63963c5f10e21c35b01345f931f441e3e1d40680348c5c7e5ad45d1159
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#.
- Detect binaries embedding considerable number of MFA browser extension IDs. 3 IoCs
- Detect binaries embedding considerable number of cryptocurrency wallet browser extension IDs. 3 IoCs
- Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers. 3 IoCs
- Detects encrypted or obfuscated .NET executables 1 IoCs
- 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 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 1 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 36 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\b9d3be63963c5f10e21c35b01345f931f441e3e1d40680348c5c7e5ad45d1159.exe"C:\Users\Admin\AppData\Local\Temp\b9d3be63963c5f10e21c35b01345f931f441e3e1d40680348c5c7e5ad45d1159.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\u2uw.0.exe"C:\Users\Admin\AppData\Local\Temp\u2uw.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 3672 -s 22923⤵
- Program crash
-
-
-
C:\Users\Admin\AppData\Local\Temp\u2uw.2\run.exe"C:\Users\Admin\AppData\Local\Temp\u2uw.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
-
-
-
-
C:\Users\Admin\AppData\Local\Temp\u2uw.3.exe"C:\Users\Admin\AppData\Local\Temp\u2uw.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
-
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 3672 -ip 36721⤵
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
Are.docx
mozglue.dll
nss3.dll
a66a8173
ioloDMLog.txt
tmpE84E.tmp
tmpE87F.tmp
u2uw.0.exe
u2uw.1.zip
ASUS_WMI.dll
ATKEX.dll
AsIO.dll
doubled.doc
protactinium.log
run.exe
u2uw.3.exe
memory/1700-273-0x000001FFB87E0000-0x000001FFB87F4000-memory.dmp
memory/1700-301-0x000001FFD6BD0000-0x000001FFD6BEE000-memory.dmp
memory/1700-300-0x000001FFD6BA0000-0x000001FFD6BC2000-memory.dmp
memory/1700-295-0x000001FFD6B50000-0x000001FFD6BA0000-memory.dmp
memory/1700-296-0x000001FFD6B00000-0x000001FFD6B0C000-memory.dmp
memory/1700-292-0x000001FFD72D0000-0x000001FFD77F8000-memory.dmp
memory/1700-291-0x000001FFD6D80000-0x000001FFD6DA2000-memory.dmp
memory/1700-290-0x000001FFD5CB0000-0x000001FFD5CBA000-memory.dmp
memory/1700-289-0x000001FFD5BF0000-0x000001FFD5BFE000-memory.dmp
memory/1700-288-0x000001FFD5C30000-0x000001FFD5C68000-memory.dmp
memory/1700-287-0x000001FFD18B0000-0x000001FFD18B8000-memory.dmp
memory/1700-285-0x000001FFD1950000-0x000001FFD1C50000-memory.dmp
memory/1700-281-0x000001FFB8890000-0x000001FFB889A000-memory.dmp
memory/1700-280-0x000001FFD18D0000-0x000001FFD1946000-memory.dmp
memory/1700-279-0x000001FFD17F0000-0x000001FFD1852000-memory.dmp
memory/1700-278-0x000001FFD1770000-0x000001FFD17EA000-memory.dmp
memory/1700-269-0x000001FFB32A0000-0x000001FFB6B98000-memory.dmp
memory/1700-270-0x000001FFD1520000-0x000001FFD1630000-memory.dmp
memory/1700-272-0x000001FFB87F0000-0x000001FFB87FC000-memory.dmp
memory/1700-271-0x000001FFB87D0000-0x000001FFB87E0000-memory.dmp
memory/1700-276-0x000001FFD1440000-0x000001FFD14F2000-memory.dmp
memory/1700-274-0x000001FFB8850000-0x000001FFB8874000-memory.dmp
memory/1700-275-0x000001FFB8880000-0x000001FFB888A000-memory.dmp
memory/1700-277-0x000001FFD11C0000-0x000001FFD11EA000-memory.dmp
memory/1740-268-0x0000000000400000-0x00000000008AD000-memory.dmp
memory/1740-256-0x0000000000400000-0x00000000008AD000-memory.dmp
memory/2008-163-0x00007FFDC1390000-0x00007FFDC1585000-memory.dmp
memory/2008-198-0x0000000073110000-0x000000007328B000-memory.dmp
memory/2008-162-0x0000000073110000-0x000000007328B000-memory.dmp
memory/3672-19-0x0000000061E00000-0x0000000061EF3000-memory.dmp
memory/3672-255-0x0000000000400000-0x0000000001A19000-memory.dmp
memory/3672-16-0x0000000000400000-0x0000000001A19000-memory.dmp
memory/3672-17-0x0000000000400000-0x0000000001A19000-memory.dmp
memory/3672-298-0x0000000000400000-0x0000000001A19000-memory.dmp
memory/3672-210-0x0000000000400000-0x0000000001A19000-memory.dmp
memory/3704-213-0x0000000000400000-0x0000000001A33000-memory.dmp
memory/3704-201-0x0000000000400000-0x0000000001A33000-memory.dmp
memory/3704-215-0x0000000000400000-0x0000000000470000-memory.dmp
memory/3704-1-0x0000000001C20000-0x0000000001D20000-memory.dmp
memory/3704-214-0x00000000036C0000-0x000000000372D000-memory.dmp
memory/3704-2-0x00000000036C0000-0x000000000372D000-memory.dmp
memory/3704-3-0x0000000000400000-0x0000000000470000-memory.dmp
memory/4336-299-0x0000000073110000-0x000000007328B000-memory.dmp
memory/4336-218-0x00007FFDC1390000-0x00007FFDC1585000-memory.dmp
memory/5008-310-0x00000000056B0000-0x0000000005872000-memory.dmp
memory/5008-309-0x0000000005A90000-0x0000000006034000-memory.dmp
memory/5008-308-0x0000000005440000-0x00000000054D2000-memory.dmp
memory/5008-311-0x0000000005560000-0x00000000055D6000-memory.dmp
memory/5008-312-0x00000000055E0000-0x0000000005630000-memory.dmp
memory/5008-313-0x00000000053D0000-0x00000000053DA000-memory.dmp
memory/5008-314-0x0000000006670000-0x0000000006B9C000-memory.dmp
memory/5008-315-0x0000000006170000-0x000000000618E000-memory.dmp
memory/5008-316-0x0000000006260000-0x00000000062C6000-memory.dmp
memory/5008-307-0x0000000000D10000-0x0000000000DD6000-memory.dmp
memory/5008-304-0x0000000071960000-0x0000000072BB4000-memory.dmp
memory/5008-335-0x00000000079A0000-0x00000000079AA000-memory.dmp