Analysis
- max time kernel
115s - max time network
97s - platform
windows11-21h2_x64 - resource
win11-20240221-en - resource tags
- submitted
07/04/2024, 22:31
General
- Target 44b5b769c9448bb97a0508f2962a94fab4ccefd17ba58c41070585ff26e9f870.exe
- Size 478KB
- Sample240407-2fkrragd7s
- SHA256 44b5b769c9448bb97a0508f2962a94fab4ccefd17ba58c41070585ff26e9f870
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\44b5b769c9448bb97a0508f2962a94fab4ccefd17ba58c41070585ff26e9f870.exe"C:\Users\Admin\AppData\Local\Temp\44b5b769c9448bb97a0508f2962a94fab4ccefd17ba58c41070585ff26e9f870.exe"1⤵
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\u2h0.0.exe"C:\Users\Admin\AppData\Local\Temp\u2h0.0.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\AAEGHJKJKK.exe"3⤵
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\AAEGHJKJKK.exe"C:\Users\Admin\AppData\Local\Temp\AAEGHJKJKK.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\AAEGHJKJKK.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 3808 -s 24043⤵
- Program crash
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C:\Users\Admin\AppData\Local\Temp\u2h0.1.exe"C:\Users\Admin\AppData\Local\Temp\u2h0.1.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 3204 -s 10962⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 3204 -ip 32041⤵
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 552 -p 3808 -ip 38081⤵
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
Are.docx
mozglue.dll
nss3.dll
AAEGHJKJKK.exe
u2h0.0.exe
u2h0.1.exe
memory/1640-174-0x0000000000400000-0x00000000008AD000-memory.dmp
memory/1640-162-0x0000000000400000-0x00000000008AD000-memory.dmp
memory/1640-114-0x0000000002860000-0x0000000002861000-memory.dmp
memory/2432-156-0x0000000071C70000-0x0000000072421000-memory.dmp
memory/2432-161-0x0000000071C70000-0x0000000072421000-memory.dmp
memory/2432-158-0x0000000003300000-0x0000000003310000-memory.dmp
memory/2432-155-0x0000000000FD0000-0x0000000000FF0000-memory.dmp
memory/3204-1-0x0000000000780000-0x0000000000880000-memory.dmp
memory/3204-19-0x0000000000780000-0x0000000000880000-memory.dmp
memory/3204-17-0x0000000002370000-0x00000000023DC000-memory.dmp
memory/3204-13-0x0000000000400000-0x0000000000487000-memory.dmp
memory/3204-3-0x0000000000400000-0x0000000000487000-memory.dmp
memory/3204-2-0x0000000002370000-0x00000000023DC000-memory.dmp
memory/3204-119-0x0000000000400000-0x0000000000487000-memory.dmp
memory/3236-177-0x000001FB1A380000-0x000001FB1A390000-memory.dmp
memory/3236-207-0x000001FB1EC70000-0x000001FB1EC7C000-memory.dmp
memory/3236-216-0x000001FB1A380000-0x000001FB1A390000-memory.dmp
memory/3236-215-0x000001FB1A380000-0x000001FB1A390000-memory.dmp
memory/3236-214-0x000001FB1A380000-0x000001FB1A390000-memory.dmp
memory/3236-213-0x000001FB1A380000-0x000001FB1A390000-memory.dmp
memory/3236-212-0x000001FB1A380000-0x000001FB1A390000-memory.dmp
memory/3236-211-0x00007FFA01220000-0x00007FFA01CE2000-memory.dmp
memory/3236-209-0x000001FB7E520000-0x000001FB7E53E000-memory.dmp
memory/3236-208-0x000001FB7E4F0000-0x000001FB7E512000-memory.dmp
memory/3236-175-0x00007FFA01220000-0x00007FFA01CE2000-memory.dmp
memory/3236-176-0x000001FB7A7B0000-0x000001FB7E0A8000-memory.dmp
memory/3236-195-0x000001FB1A380000-0x000001FB1A390000-memory.dmp
memory/3236-178-0x000001FB1A390000-0x000001FB1A4A0000-memory.dmp
memory/3236-180-0x000001FB1A340000-0x000001FB1A34C000-memory.dmp
memory/3236-179-0x000001FB1A320000-0x000001FB1A330000-memory.dmp
memory/3236-181-0x000001FB1A330000-0x000001FB1A344000-memory.dmp
memory/3236-182-0x000001FB1A360000-0x000001FB1A384000-memory.dmp
memory/3236-183-0x000001FB1A640000-0x000001FB1A64A000-memory.dmp
memory/3236-184-0x000001FB1A660000-0x000001FB1A68A000-memory.dmp
memory/3236-187-0x000001FB1A7C0000-0x000001FB1A822000-memory.dmp
memory/3236-188-0x000001FB7E560000-0x000001FB7E5D6000-memory.dmp
memory/3236-186-0x000001FB1A740000-0x000001FB1A7BA000-memory.dmp
memory/3236-189-0x000001FB01990000-0x000001FB0199A000-memory.dmp
memory/3236-185-0x000001FB1A690000-0x000001FB1A742000-memory.dmp
memory/3236-193-0x000001FB1A820000-0x000001FB1AB20000-memory.dmp
memory/3236-198-0x000001FB7E2E0000-0x000001FB7E2E8000-memory.dmp
memory/3236-200-0x000001FB7E470000-0x000001FB7E47E000-memory.dmp
memory/3236-199-0x000001FB7E4B0000-0x000001FB7E4E8000-memory.dmp
memory/3236-197-0x000001FB1A380000-0x000001FB1A390000-memory.dmp
memory/3236-202-0x000001FB1EC50000-0x000001FB1EC72000-memory.dmp
memory/3236-201-0x000001FB1EC40000-0x000001FB1EC4A000-memory.dmp
memory/3236-203-0x000001FB1F810000-0x000001FB1FD38000-memory.dmp
memory/3236-196-0x000001FB1A380000-0x000001FB1A390000-memory.dmp
memory/3236-206-0x000001FB7E5E0000-0x000001FB7E630000-memory.dmp
memory/3808-133-0x0000000000400000-0x000000000063B000-memory.dmp
memory/3808-15-0x0000000002250000-0x0000000002277000-memory.dmp
memory/3808-14-0x00000000009B0000-0x0000000000AB0000-memory.dmp
memory/3808-16-0x0000000000400000-0x000000000063B000-memory.dmp
memory/3808-18-0x0000000000400000-0x000000000063B000-memory.dmp
memory/3808-23-0x00000000009B0000-0x0000000000AB0000-memory.dmp
memory/3808-157-0x0000000000400000-0x000000000063B000-memory.dmp
memory/3808-24-0x0000000061E00000-0x0000000061EF3000-memory.dmp
memory/3808-70-0x0000000000400000-0x000000000063B000-memory.dmp
memory/3808-98-0x0000000000400000-0x000000000063B000-memory.dmp