Analysis
- max time kernel
150s - max time network
161s - platform
windows11-21h2_x64 - resource
win11-20240221-en - resource tags
- submitted
07/04/2024, 22:32
General
- Target 174ddfd711707a2cb1e54c518d3634accf15247c32cab85846152a4910cfa28c.exe
- Size 478KB
- Sample240407-2f7xaagf82
- SHA256 174ddfd711707a2cb1e54c518d3634accf15247c32cab85846152a4910cfa28c
Malware Config
Extracted
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stealc
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http://185.172.128.209
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url_path
/3cd2b41cbde8fc9c.php
Signatures
- Detect ZGRat V1 3 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 2 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.
- 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.
- Runs ping.exe 1 TTPs 1 IoCs
- Suspicious behavior: EnumeratesProcesses 25 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of FindShellTrayWindow 7 IoCs
- Suspicious use of SendNotifyMessage 7 IoCs
- Suspicious use of WriteProcessMemory 20 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\174ddfd711707a2cb1e54c518d3634accf15247c32cab85846152a4910cfa28c.exe"C:\Users\Admin\AppData\Local\Temp\174ddfd711707a2cb1e54c518d3634accf15247c32cab85846152a4910cfa28c.exe"1⤵
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\u1j4.0.exe"C:\Users\Admin\AppData\Local\Temp\u1j4.0.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\system32\cmd.exe" /c start "" "C:\Users\Admin\AppData\Local\Temp\AAKKKEBFCG.exe"3⤵
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\AAKKKEBFCG.exe"C:\Users\Admin\AppData\Local\Temp\AAKKKEBFCG.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /C ping 2.2.2.2 -n 1 -w 3000 > Nul & Del C:\Users\Admin\AppData\Local\Temp\AAKKKEBFCG.exe5⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\PING.EXEping 2.2.2.2 -n 1 -w 30006⤵
- Runs ping.exe
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4388 -s 24283⤵
- Program crash
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C:\Users\Admin\AppData\Local\Temp\u1j4.1.exe"C:\Users\Admin\AppData\Local\Temp\u1j4.1.exe"2⤵
- Executes dropped EXE
- Checks SCSI registry key(s)
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
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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 1984 -s 15322⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 1984 -ip 19841⤵
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 476 -p 4388 -ip 43881⤵
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
Are.docx
mozglue.dll
nss3.dll
AAKKKEBFCG.exe
ioloDMLog.txt
u1j4.0.exe
u1j4.1.exe
memory/540-141-0x00000000713F0000-0x0000000071BA1000-memory.dmp
memory/540-142-0x0000000000C10000-0x0000000000C30000-memory.dmp
memory/540-147-0x00000000713F0000-0x0000000071BA1000-memory.dmp
memory/540-144-0x0000000005760000-0x0000000005770000-memory.dmp
memory/1008-160-0x0000000000400000-0x00000000008AD000-memory.dmp
memory/1008-148-0x0000000000400000-0x00000000008AD000-memory.dmp
memory/1008-77-0x00000000029A0000-0x00000000029A1000-memory.dmp
memory/1984-2-0x0000000002340000-0x00000000023AC000-memory.dmp
memory/1984-110-0x0000000002340000-0x00000000023AC000-memory.dmp
memory/1984-1-0x0000000000590000-0x0000000000690000-memory.dmp
memory/1984-106-0x0000000000400000-0x0000000000487000-memory.dmp
memory/1984-3-0x0000000000400000-0x0000000000487000-memory.dmp
memory/1984-16-0x0000000000400000-0x0000000000487000-memory.dmp
memory/4388-17-0x0000000061E00000-0x0000000061EF3000-memory.dmp
memory/4388-14-0x0000000002250000-0x0000000002277000-memory.dmp
memory/4388-13-0x00000000007A0000-0x00000000008A0000-memory.dmp
memory/4388-143-0x0000000000400000-0x000000000063B000-memory.dmp
memory/4388-15-0x0000000000400000-0x000000000063B000-memory.dmp
memory/4388-76-0x0000000000400000-0x000000000063B000-memory.dmp
memory/4636-165-0x0000029475A90000-0x0000029475AA0000-memory.dmp
memory/4636-183-0x00000294758F0000-0x0000029475900000-memory.dmp
memory/4636-163-0x00000294758F0000-0x0000029475900000-memory.dmp
memory/4636-164-0x00000294762D0000-0x00000294763E0000-memory.dmp
memory/4636-161-0x00007FFE5EDA0000-0x00007FFE5F862000-memory.dmp
memory/4636-166-0x0000029475AB0000-0x0000029475ABC000-memory.dmp
memory/4636-167-0x0000029475AA0000-0x0000029475AB4000-memory.dmp
memory/4636-168-0x0000029475AF0000-0x0000029475B14000-memory.dmp
memory/4636-169-0x0000029476420000-0x000002947642A000-memory.dmp
memory/4636-170-0x00000294765C0000-0x0000029476672000-memory.dmp
memory/4636-171-0x0000029476670000-0x000002947669A000-memory.dmp
memory/4636-172-0x00000294766A0000-0x000002947671A000-memory.dmp
memory/4636-173-0x0000029476720000-0x0000029476782000-memory.dmp
memory/4636-174-0x0000029476800000-0x0000029476876000-memory.dmp
memory/4636-175-0x0000029475A70000-0x0000029475A7A000-memory.dmp
memory/4636-179-0x0000029476880000-0x0000029476B80000-memory.dmp
memory/4636-181-0x00000294758F0000-0x0000029475900000-memory.dmp
memory/4636-162-0x0000029470290000-0x0000029473B88000-memory.dmp
memory/4636-182-0x000002947B280000-0x000002947B288000-memory.dmp
memory/4636-184-0x000002947AC00000-0x000002947AC38000-memory.dmp
memory/4636-185-0x000002947ABD0000-0x000002947ABDE000-memory.dmp
memory/4636-186-0x000002947AC70000-0x000002947AC7A000-memory.dmp
memory/4636-187-0x000002947B290000-0x000002947B2B2000-memory.dmp
memory/4636-188-0x000002947B810000-0x000002947BD38000-memory.dmp
memory/4636-192-0x00000294758F0000-0x0000029475900000-memory.dmp
memory/4636-191-0x000002947B320000-0x000002947B370000-memory.dmp
memory/4636-193-0x000002947B2D0000-0x000002947B2DC000-memory.dmp
memory/4636-194-0x000002947B5F0000-0x000002947B612000-memory.dmp
memory/4636-195-0x000002947B620000-0x000002947B63E000-memory.dmp
memory/4636-197-0x00007FFE5EDA0000-0x00007FFE5F862000-memory.dmp
memory/4636-198-0x00000294758F0000-0x0000029475900000-memory.dmp
memory/4636-199-0x00000294758F0000-0x0000029475900000-memory.dmp
memory/4636-200-0x00000294758F0000-0x0000029475900000-memory.dmp
memory/4636-201-0x00000294758F0000-0x0000029475900000-memory.dmp