Analysis
- max time kernel
149s - max time network
150s - platform
windows11-21h2_x64 - resource
win11-20240419-en - resource tags
- submitted
03/05/2024, 10:07
General
- Target b06bc55cee7a8a1586b20c88e2a1ff58e62d85bb4aa76c43cca9a6815cb65ae9.exe
- Size 466KB
- Sample240503-l5mpmseb49
- SHA256 b06bc55cee7a8a1586b20c88e2a1ff58e62d85bb4aa76c43cca9a6815cb65ae9
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 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 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 WriteProcessMemory 20 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\b06bc55cee7a8a1586b20c88e2a1ff58e62d85bb4aa76c43cca9a6815cb65ae9.exe"C:\Users\Admin\AppData\Local\Temp\b06bc55cee7a8a1586b20c88e2a1ff58e62d85bb4aa76c43cca9a6815cb65ae9.exe"1⤵
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\u2v4.0.exe"C:\Users\Admin\AppData\Local\Temp\u2v4.0.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
-
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C:\Users\Admin\AppData\Local\Temp\u2v4.2\run.exe"C:\Users\Admin\AppData\Local\Temp\u2v4.2\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 use of AdjustPrivilegeToken
-
-
-
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C:\Users\Admin\AppData\Local\Temp\u2v4.3.exe"C:\Users\Admin\AppData\Local\Temp\u2v4.3.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 3712 -s 10082⤵
- Program crash
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 3712 -ip 37121⤵
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
Are.docx
mozglue.dll
nss3.dll
132f5f74
u2v4.0.exe
u2v4.1.zip
ASUS_WMI.dll
ATKEX.dll
AsIO.dll
doubled.doc
protactinium.log
run.exe
u2v4.3.exe
memory/1612-260-0x00000114E3790000-0x00000114E7088000-memory.dmp
memory/1612-268-0x00000114E9C90000-0x00000114E9D42000-memory.dmp
memory/1612-290-0x00000114EF140000-0x00000114EF668000-memory.dmp
memory/1612-289-0x00000114EEBF0000-0x00000114EEC12000-memory.dmp
memory/1612-288-0x00000114EEBE0000-0x00000114EEBEA000-memory.dmp
memory/1612-285-0x00000114EE2C0000-0x00000114EE2F8000-memory.dmp
memory/1612-271-0x00000114E9EA0000-0x00000114E9F16000-memory.dmp
memory/1612-287-0x00000114EE290000-0x00000114EE29E000-memory.dmp
memory/1612-293-0x00000114EE9B0000-0x00000114EEA00000-memory.dmp
memory/1612-270-0x00000114E9DC0000-0x00000114E9E22000-memory.dmp
memory/1612-284-0x00000114EE940000-0x00000114EE948000-memory.dmp
memory/1612-269-0x00000114E9D40000-0x00000114E9DBA000-memory.dmp
memory/1612-295-0x00000114EEA00000-0x00000114EEA22000-memory.dmp
memory/1612-263-0x00000114E9650000-0x00000114E965C000-memory.dmp
memory/1612-267-0x00000114E9C60000-0x00000114E9C8A000-memory.dmp
memory/1612-305-0x00000114EEA30000-0x00000114EEA4E000-memory.dmp
memory/1612-307-0x00000114E97D0000-0x00000114E9983000-memory.dmp
memory/1612-294-0x00000114EE960000-0x00000114EE96C000-memory.dmp
memory/1612-266-0x00000114E9C40000-0x00000114E9C4A000-memory.dmp
memory/1612-265-0x00000114E9AD0000-0x00000114E9AF4000-memory.dmp
memory/1612-264-0x00000114E8E70000-0x00000114E8E84000-memory.dmp
memory/1612-276-0x00000114E9F20000-0x00000114EA220000-memory.dmp
memory/1612-262-0x00000114E7530000-0x00000114E7540000-memory.dmp
memory/1612-272-0x00000114E9670000-0x00000114E967A000-memory.dmp
memory/1612-261-0x00000114E9990000-0x00000114E9AA0000-memory.dmp
memory/2404-280-0x0000000005C50000-0x00000000061F6000-memory.dmp
memory/2404-257-0x00000000714E0000-0x00000000727F7000-memory.dmp
memory/2404-278-0x0000000000E10000-0x0000000000ED6000-memory.dmp
memory/2404-279-0x0000000005560000-0x00000000055F2000-memory.dmp
memory/2404-281-0x00000000058A0000-0x0000000005A62000-memory.dmp
memory/2404-283-0x0000000005720000-0x0000000005770000-memory.dmp
memory/2404-282-0x00000000056A0000-0x0000000005716000-memory.dmp
memory/2404-286-0x0000000005630000-0x000000000563A000-memory.dmp
memory/2688-242-0x00000000729E0000-0x0000000072B5D000-memory.dmp
memory/2688-135-0x00007FFD9FDA0000-0x00007FFD9FFA9000-memory.dmp
memory/3048-254-0x0000000000400000-0x00000000008AD000-memory.dmp
memory/3048-255-0x0000000000400000-0x00000000008AD000-memory.dmp
memory/3320-18-0x0000000000400000-0x0000000001A1B000-memory.dmp
memory/3320-313-0x0000000000400000-0x0000000001A1B000-memory.dmp
memory/3320-241-0x0000000000400000-0x0000000001A1B000-memory.dmp
memory/3320-237-0x0000000000400000-0x0000000001A1B000-memory.dmp
memory/3320-304-0x0000000000400000-0x0000000001A1B000-memory.dmp
memory/3320-171-0x0000000000400000-0x0000000001A1B000-memory.dmp
memory/3320-139-0x0000000061E00000-0x0000000061EF3000-memory.dmp
memory/3320-17-0x0000000000400000-0x0000000001A1B000-memory.dmp
memory/3320-130-0x0000000000400000-0x0000000001A1B000-memory.dmp
memory/3712-200-0x0000000000400000-0x0000000000470000-memory.dmp
memory/3712-129-0x0000000000400000-0x0000000001A3F000-memory.dmp
memory/3712-19-0x0000000001B60000-0x0000000001C60000-memory.dmp
memory/3712-131-0x0000000000400000-0x0000000000470000-memory.dmp
memory/3712-4-0x0000000000400000-0x0000000001A3F000-memory.dmp
memory/3712-199-0x0000000000400000-0x0000000001A3F000-memory.dmp
memory/3712-3-0x0000000000400000-0x0000000000470000-memory.dmp
memory/3712-2-0x0000000003750000-0x00000000037BD000-memory.dmp
memory/3712-1-0x0000000001B60000-0x0000000001C60000-memory.dmp
memory/4816-123-0x00007FFD9FDA0000-0x00007FFD9FFA9000-memory.dmp
memory/4816-122-0x00000000729E0000-0x0000000072B5D000-memory.dmp
memory/4816-132-0x00000000729E0000-0x0000000072B5D000-memory.dmp