Analysis
- max time kernel
139s - max time network
140s - platform
windows11-21h2_x64 - resource
win11-20240419-en - resource tags
- submitted
05/05/2024, 06:39
General
- Target 4248c033673c4358a58f878eed34c3a6d1211c8efbade2b6e6e718a2f6a14bbe.exe
- Size 419KB
- Sample240505-he326adc59
- SHA256 4248c033673c4358a58f878eed34c3a6d1211c8efbade2b6e6e718a2f6a14bbe
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
- 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 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\4248c033673c4358a58f878eed34c3a6d1211c8efbade2b6e6e718a2f6a14bbe.exe"C:\Users\Admin\AppData\Local\Temp\4248c033673c4358a58f878eed34c3a6d1211c8efbade2b6e6e718a2f6a14bbe.exe"1⤵
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\u3v0.0.exe"C:\Users\Admin\AppData\Local\Temp\u3v0.0.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 4740 -s 24283⤵
- Program crash
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-
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C:\Users\Admin\AppData\Local\Temp\u3v0.2\run.exe"C:\Users\Admin\AppData\Local\Temp\u3v0.2\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
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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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-
-
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C:\Users\Admin\AppData\Local\Temp\u3v0.3.exe"C:\Users\Admin\AppData\Local\Temp\u3v0.3.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
-
-
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 5004 -s 11722⤵
- Program crash
-
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 5004 -ip 50041⤵
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 544 -p 4740 -ip 47401⤵
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
Are.docx
mozglue.dll
nss3.dll
c41c79e0
tmp1F9A.tmp
tmp1FBC.tmp
u3v0.0.exe
u3v0.1.zip
ASUS_WMI.dll
ATKEX.dll
AsIO.dll
doubled.doc
protactinium.log
run.exe
u3v0.3.exe
memory/1424-180-0x0000023A00640000-0x0000023A00654000-memory.dmp
memory/1424-188-0x0000023A006F0000-0x0000023A006FA000-memory.dmp
memory/1424-245-0x0000023A67920000-0x0000023A6793E000-memory.dmp
memory/1424-205-0x0000023A7FE60000-0x0000023A7FE82000-memory.dmp
memory/1424-203-0x0000023A04FE0000-0x0000023A04FEC000-memory.dmp
memory/1424-202-0x0000023A7FEB0000-0x0000023A7FF00000-memory.dmp
memory/1424-199-0x0000023A05B50000-0x0000023A06078000-memory.dmp
memory/1424-176-0x0000023A623B0000-0x0000023A65CA8000-memory.dmp
memory/1424-177-0x0000023A00740000-0x0000023A00850000-memory.dmp
memory/1424-179-0x0000023A00650000-0x0000023A0065C000-memory.dmp
memory/1424-178-0x0000023A00630000-0x0000023A00640000-memory.dmp
memory/1424-197-0x0000023A04FB0000-0x0000023A04FBA000-memory.dmp
memory/1424-181-0x0000023A006B0000-0x0000023A006D4000-memory.dmp
memory/1424-182-0x0000023A006E0000-0x0000023A006EA000-memory.dmp
memory/1424-183-0x0000023A009A0000-0x0000023A00A52000-memory.dmp
memory/1424-186-0x0000023A00B00000-0x0000023A00B62000-memory.dmp
memory/1424-185-0x0000023A00A80000-0x0000023A00AFA000-memory.dmp
memory/1424-184-0x0000023A00A50000-0x0000023A00A7A000-memory.dmp
memory/1424-187-0x0000023A7FDE0000-0x0000023A7FE56000-memory.dmp
memory/1424-198-0x0000023A04FC0000-0x0000023A04FE2000-memory.dmp
memory/1424-192-0x0000023A00B60000-0x0000023A00E60000-memory.dmp
memory/1424-194-0x0000023A67890000-0x0000023A67898000-memory.dmp
memory/1424-195-0x0000023A678E0000-0x0000023A67918000-memory.dmp
memory/1424-196-0x0000023A678A0000-0x0000023A678AE000-memory.dmp
memory/3360-293-0x0000000005EB0000-0x0000000005F16000-memory.dmp
memory/3360-312-0x00000000076D0000-0x00000000076DA000-memory.dmp
memory/3360-281-0x00000000717E0000-0x0000000072AF7000-memory.dmp
memory/3360-285-0x0000000005140000-0x00000000051D2000-memory.dmp
memory/3360-289-0x00000000051E0000-0x0000000005230000-memory.dmp
memory/3360-288-0x0000000005260000-0x00000000052D6000-memory.dmp
memory/3360-284-0x0000000000930000-0x00000000009F6000-memory.dmp
memory/3360-290-0x00000000050C0000-0x00000000050CA000-memory.dmp
memory/3360-292-0x0000000005730000-0x000000000574E000-memory.dmp
memory/3360-291-0x0000000006370000-0x000000000689C000-memory.dmp
memory/3360-287-0x00000000053B0000-0x0000000005572000-memory.dmp
memory/3360-314-0x0000000000D80000-0x0000000000D92000-memory.dmp
memory/3360-286-0x0000000005790000-0x0000000005D36000-memory.dmp
memory/4120-174-0x0000000000400000-0x00000000008AD000-memory.dmp
memory/4120-175-0x0000000000400000-0x00000000008AD000-memory.dmp
memory/4324-143-0x0000000072DC0000-0x0000000072F3D000-memory.dmp
memory/4324-116-0x0000000072DC0000-0x0000000072F3D000-memory.dmp
memory/4324-117-0x00007FFCA3320000-0x00007FFCA3529000-memory.dmp
memory/4524-161-0x00007FFCA3320000-0x00007FFCA3529000-memory.dmp
memory/4524-278-0x0000000072DC0000-0x0000000072F3D000-memory.dmp
memory/4740-204-0x0000000000400000-0x0000000002B02000-memory.dmp
memory/4740-279-0x0000000000400000-0x0000000002B02000-memory.dmp
memory/4740-207-0x0000000061E00000-0x0000000061EF3000-memory.dmp
memory/5004-1-0x0000000002BD0000-0x0000000002CD0000-memory.dmp
memory/5004-141-0x0000000000400000-0x0000000002B26000-memory.dmp
memory/5004-142-0x0000000000400000-0x0000000000470000-memory.dmp
memory/5004-111-0x0000000000400000-0x0000000002B26000-memory.dmp
memory/5004-3-0x0000000000400000-0x0000000000470000-memory.dmp
memory/5004-2-0x00000000030E0000-0x000000000314D000-memory.dmp