Analysis
- max time kernel
142s - max time network
142s - platform
windows11-21h2_x64 - resource
win11-20240419-en - resource tags
- submitted
04/05/2024, 22:10
General
- Target 686ba1cf9a832443a0c2c315f0e088b01b30a271d2ba7864bd53610811e8f9f9.exe
- Size 419KB
- Sample240504-13f7eacg9v
- SHA256 686ba1cf9a832443a0c2c315f0e088b01b30a271d2ba7864bd53610811e8f9f9
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 31 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\686ba1cf9a832443a0c2c315f0e088b01b30a271d2ba7864bd53610811e8f9f9.exe"C:\Users\Admin\AppData\Local\Temp\686ba1cf9a832443a0c2c315f0e088b01b30a271d2ba7864bd53610811e8f9f9.exe"1⤵
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\u36g.0.exe"C:\Users\Admin\AppData\Local\Temp\u36g.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 3680 -s 24803⤵
- Program crash
-
-
-
C:\Users\Admin\AppData\Local\Temp\u36g.2\run.exe"C:\Users\Admin\AppData\Local\Temp\u36g.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\u36g.3.exe"C:\Users\Admin\AppData\Local\Temp\u36g.3.exe"2⤵
- 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 -u -p 4120 -s 15242⤵
- Program crash
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 4120 -ip 41201⤵
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 520 -p 3680 -ip 36801⤵
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
Are.docx
mozglue.dll
nss3.dll
bc16e577
ioloDMLog.txt
tmpFE18.tmp
tmpFE3A.tmp
u36g.0.exe
u36g.1.zip
ASUS_WMI.dll
ATKEX.dll
AsIO.dll
doubled.doc
protactinium.log
run.exe
u36g.3.exe
memory/1772-177-0x0000000000400000-0x00000000008AD000-memory.dmp
memory/1772-173-0x0000000000400000-0x00000000008AD000-memory.dmp
memory/2940-188-0x00000171F2200000-0x00000171F2262000-memory.dmp
memory/2940-217-0x00000171F7580000-0x00000171F7AA8000-memory.dmp
memory/2940-277-0x00000171F6E70000-0x00000171F6E8E000-memory.dmp
memory/2940-252-0x00000171F6E40000-0x00000171F6E62000-memory.dmp
memory/2940-227-0x00000171F6DF0000-0x00000171F6E40000-memory.dmp
memory/2940-228-0x00000171F6DA0000-0x00000171F6DAC000-memory.dmp
memory/2940-214-0x00000171F7020000-0x00000171F702A000-memory.dmp
memory/2940-178-0x00000171D3D90000-0x00000171D7688000-memory.dmp
memory/2940-179-0x00000171F1DD0000-0x00000171F1EE0000-memory.dmp
memory/2940-181-0x00000171F1D70000-0x00000171F1D7C000-memory.dmp
memory/2940-180-0x00000171F1D50000-0x00000171F1D60000-memory.dmp
memory/2940-182-0x00000171F1D60000-0x00000171F1D74000-memory.dmp
memory/2940-183-0x00000171F1F20000-0x00000171F1F44000-memory.dmp
memory/2940-184-0x00000171F1DB0000-0x00000171F1DBA000-memory.dmp
memory/2940-186-0x00000171F2150000-0x00000171F217A000-memory.dmp
memory/2940-187-0x00000171F2180000-0x00000171F21FA000-memory.dmp
memory/2940-215-0x00000171F7030000-0x00000171F7052000-memory.dmp
memory/2940-189-0x00000171F22E0000-0x00000171F2356000-memory.dmp
memory/2940-185-0x00000171F20A0000-0x00000171F2152000-memory.dmp
memory/2940-190-0x00000171D94F0000-0x00000171D94FA000-memory.dmp
memory/2940-194-0x00000171F2360000-0x00000171F2660000-memory.dmp
memory/2940-196-0x00000171F6D80000-0x00000171F6D88000-memory.dmp
memory/2940-198-0x00000171F66D0000-0x00000171F66DE000-memory.dmp
memory/2940-197-0x00000171F6700000-0x00000171F6738000-memory.dmp
memory/3680-248-0x0000000000400000-0x0000000002B02000-memory.dmp
memory/3680-297-0x0000000000400000-0x0000000002B02000-memory.dmp
memory/3680-176-0x0000000000400000-0x0000000002B02000-memory.dmp
memory/3680-200-0x0000000061E00000-0x0000000061EF3000-memory.dmp
memory/3928-279-0x00000000729A0000-0x0000000072B1D000-memory.dmp
memory/3928-162-0x00007FFF58F80000-0x00007FFF59189000-memory.dmp
memory/4120-141-0x0000000000400000-0x0000000002B26000-memory.dmp
memory/4120-142-0x0000000002FD0000-0x000000000303D000-memory.dmp
memory/4120-143-0x0000000000400000-0x0000000000470000-memory.dmp
memory/4120-2-0x0000000002FD0000-0x000000000303D000-memory.dmp
memory/4120-111-0x0000000000400000-0x0000000002B26000-memory.dmp
memory/4120-1-0x0000000002D50000-0x0000000002E50000-memory.dmp
memory/4120-3-0x0000000000400000-0x0000000000470000-memory.dmp
memory/4500-117-0x00007FFF58F80000-0x00007FFF59189000-memory.dmp
memory/4500-116-0x00000000729A0000-0x0000000072B1D000-memory.dmp
memory/4500-144-0x00000000729A0000-0x0000000072B1D000-memory.dmp
memory/4960-300-0x00000000061E0000-0x0000000006786000-memory.dmp
memory/4960-299-0x0000000005B90000-0x0000000005C22000-memory.dmp
memory/4960-301-0x0000000005F40000-0x0000000006102000-memory.dmp
memory/4960-302-0x0000000005C30000-0x0000000005CA6000-memory.dmp
memory/4960-303-0x0000000005CB0000-0x0000000005D00000-memory.dmp
memory/4960-304-0x0000000003690000-0x000000000369A000-memory.dmp
memory/4960-305-0x0000000006DC0000-0x00000000072EC000-memory.dmp
memory/4960-306-0x0000000006890000-0x00000000068AE000-memory.dmp
memory/4960-307-0x0000000006950000-0x00000000069B6000-memory.dmp
memory/4960-298-0x0000000001350000-0x0000000001416000-memory.dmp
memory/4960-289-0x00000000709C0000-0x0000000071CD7000-memory.dmp
memory/4960-326-0x00000000081A0000-0x00000000081AA000-memory.dmp
memory/4960-328-0x0000000001690000-0x00000000016A2000-memory.dmp