Analysis
- max time kernel
145s - max time network
146s - platform
windows11-21h2_x64 - resource
win11-20240426-en - resource tags
- submitted
04/05/2024, 09:00
General
- Target b30429609753047c76bfeaef2b41e9c6a3b05b7f8c4cd792017212e14a5f2a88.exe
- Size 470KB
- Sample240504-kylnbshd3y
- SHA256 b30429609753047c76bfeaef2b41e9c6a3b05b7f8c4cd792017212e14a5f2a88
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 28 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\b30429609753047c76bfeaef2b41e9c6a3b05b7f8c4cd792017212e14a5f2a88.exe"C:\Users\Admin\AppData\Local\Temp\b30429609753047c76bfeaef2b41e9c6a3b05b7f8c4cd792017212e14a5f2a88.exe"1⤵
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\u2ac.0.exe"C:\Users\Admin\AppData\Local\Temp\u2ac.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 4856 -s 23283⤵
- Program crash
-
-
-
C:\Users\Admin\AppData\Local\Temp\u2ac.2\run.exe"C:\Users\Admin\AppData\Local\Temp\u2ac.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\u2ac.3.exe"C:\Users\Admin\AppData\Local\Temp\u2ac.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 2964 -s 15602⤵
- Program crash
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 2964 -ip 29641⤵
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 400 -p 4856 -ip 48561⤵
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
Are.docx
mozglue.dll
nss3.dll
be60e32c
tmpE705.tmp
tmpE728.tmp
u2ac.0.exe
u2ac.1.zip
ASUS_WMI.dll
ATKEX.dll
AsIO.dll
doubled.doc
protactinium.log
run.exe
u2ac.3.exe
memory/2140-255-0x0000000000400000-0x00000000008AD000-memory.dmp
memory/2140-243-0x0000000000400000-0x00000000008AD000-memory.dmp
memory/2964-3-0x0000000000400000-0x0000000000470000-memory.dmp
memory/2964-185-0x0000000000400000-0x0000000000470000-memory.dmp
memory/2964-184-0x0000000000400000-0x0000000001A3F000-memory.dmp
memory/2964-2-0x0000000003780000-0x00000000037ED000-memory.dmp
memory/2964-1-0x0000000001C60000-0x0000000001D60000-memory.dmp
memory/3412-301-0x0000000005E60000-0x0000000005EC6000-memory.dmp
memory/3412-298-0x0000000004FE0000-0x0000000004FEA000-memory.dmp
memory/3412-320-0x0000000007770000-0x000000000777A000-memory.dmp
memory/3412-297-0x0000000005240000-0x0000000005290000-memory.dmp
memory/3412-296-0x0000000005130000-0x00000000051A6000-memory.dmp
memory/3412-299-0x0000000006240000-0x000000000676C000-memory.dmp
memory/3412-300-0x0000000005D90000-0x0000000005DAE000-memory.dmp
memory/3412-295-0x0000000005410000-0x00000000055D2000-memory.dmp
memory/3412-294-0x0000000005660000-0x0000000005C06000-memory.dmp
memory/3412-293-0x0000000005010000-0x00000000050A2000-memory.dmp
memory/3412-292-0x0000000000900000-0x00000000009C6000-memory.dmp
memory/3412-289-0x0000000073280000-0x0000000074597000-memory.dmp
memory/3536-261-0x000002054F320000-0x000002054F344000-memory.dmp
memory/3536-256-0x0000020549BE0000-0x000002054D4D8000-memory.dmp
memory/3536-263-0x0000020567DD0000-0x0000020567DFA000-memory.dmp
memory/3536-262-0x0000020567B60000-0x0000020567B6A000-memory.dmp
memory/3536-265-0x0000020568040000-0x00000205680BA000-memory.dmp
memory/3536-266-0x00000205680C0000-0x0000020568122000-memory.dmp
memory/3536-267-0x00000205681A0000-0x0000020568216000-memory.dmp
memory/3536-268-0x000002054F2E0000-0x000002054F2EA000-memory.dmp
memory/3536-272-0x0000020568220000-0x0000020568520000-memory.dmp
memory/3536-264-0x0000020567F90000-0x0000020568042000-memory.dmp
memory/3536-275-0x0000020568170000-0x0000020568178000-memory.dmp
memory/3536-277-0x0000020568190000-0x000002056819E000-memory.dmp
memory/3536-276-0x000002056C540000-0x000002056C578000-memory.dmp
memory/3536-278-0x000002056C590000-0x000002056C59A000-memory.dmp
memory/3536-279-0x000002056CC10000-0x000002056CC32000-memory.dmp
memory/3536-280-0x000002056D170000-0x000002056D698000-memory.dmp
memory/3536-283-0x000002056CC90000-0x000002056CCE0000-memory.dmp
memory/3536-284-0x000002056C5A0000-0x000002056C5AC000-memory.dmp
memory/3536-285-0x000002056CF60000-0x000002056CF82000-memory.dmp
memory/3536-286-0x000002056CC60000-0x000002056CC7E000-memory.dmp
memory/3536-260-0x000002054F140000-0x000002054F154000-memory.dmp
memory/3536-258-0x000002054F120000-0x000002054F130000-memory.dmp
memory/3536-259-0x000002054F300000-0x000002054F30C000-memory.dmp
memory/3536-257-0x0000020567C70000-0x0000020567D80000-memory.dmp
memory/3972-274-0x0000000072F70000-0x00000000730ED000-memory.dmp
memory/3972-241-0x00007FFD193C0000-0x00007FFD195C9000-memory.dmp
memory/4692-213-0x0000000072F70000-0x00000000730ED000-memory.dmp
memory/4692-158-0x00007FFD193C0000-0x00007FFD195C9000-memory.dmp
memory/4692-157-0x0000000072F70000-0x00000000730ED000-memory.dmp
memory/4856-225-0x0000000000400000-0x0000000001A1B000-memory.dmp
memory/4856-19-0x0000000061E00000-0x0000000061EF3000-memory.dmp
memory/4856-18-0x0000000000400000-0x0000000001A1B000-memory.dmp
memory/4856-17-0x0000000000400000-0x0000000001A1B000-memory.dmp
memory/4856-16-0x0000000000400000-0x0000000001A1B000-memory.dmp