Analysis
- max time kernel
132s - max time network
134s - platform
windows11-21h2_x64 - resource
win11-20240221-en - resource tags
- submitted
03/04/2024, 19:57
General
- Target 42ae094cef337f38aa143200c92c793f4e8c3bbe4ca1d1785a5d7e89109b6642.exe
- Size 439KB
- Sample240403-ypme6abb5v
- SHA256 42ae094cef337f38aa143200c92c793f4e8c3bbe4ca1d1785a5d7e89109b6642
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\42ae094cef337f38aa143200c92c793f4e8c3bbe4ca1d1785a5d7e89109b6642.exe"C:\Users\Admin\AppData\Local\Temp\42ae094cef337f38aa143200c92c793f4e8c3bbe4ca1d1785a5d7e89109b6642.exe"1⤵
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\u1t4.0.exe"C:\Users\Admin\AppData\Local\Temp\u1t4.0.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\IDBGHDGHCG.exe"3⤵
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\IDBGHDGHCG.exe"C:\Users\Admin\AppData\Local\Temp\IDBGHDGHCG.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\IDBGHDGHCG.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 4940 -s 24443⤵
- Program crash
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C:\Users\Admin\AppData\Local\Temp\u1t4.1.exe"C:\Users\Admin\AppData\Local\Temp\u1t4.1.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 2344 -s 11562⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 2344 -ip 23441⤵
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 488 -p 4940 -ip 49401⤵
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
Are.docx
mozglue.dll
nss3.dll
IDBGHDGHCG.exe
u1t4.0.exe
u1t4.1.exe
memory/2044-135-0x0000000000400000-0x00000000008AD000-memory.dmp
memory/2044-154-0x0000000000400000-0x00000000008AD000-memory.dmp
memory/2044-65-0x0000000002760000-0x0000000002761000-memory.dmp
memory/2344-1-0x0000000000AB0000-0x0000000000BB0000-memory.dmp
memory/2344-73-0x0000000000400000-0x000000000088C000-memory.dmp
memory/2344-74-0x0000000002720000-0x000000000278C000-memory.dmp
memory/2344-3-0x0000000000400000-0x000000000088C000-memory.dmp
memory/2344-2-0x0000000002720000-0x000000000278C000-memory.dmp
memory/2408-161-0x0000022EF28C0000-0x0000022EF28D4000-memory.dmp
memory/2408-168-0x0000022EF3760000-0x0000022EF37D6000-memory.dmp
memory/2408-197-0x0000022EF3160000-0x0000022EF3170000-memory.dmp
memory/2408-196-0x0000022EF3160000-0x0000022EF3170000-memory.dmp
memory/2408-195-0x0000022EF3160000-0x0000022EF3170000-memory.dmp
memory/2408-194-0x0000022EF3160000-0x0000022EF3170000-memory.dmp
memory/2408-193-0x0000022EF3160000-0x0000022EF3170000-memory.dmp
memory/2408-192-0x00007FF901C50000-0x00007FF902712000-memory.dmp
memory/2408-190-0x0000022EF82D0000-0x0000022EF82EE000-memory.dmp
memory/2408-189-0x0000022EF82A0000-0x0000022EF82C2000-memory.dmp
memory/2408-155-0x00007FF901C50000-0x00007FF902712000-memory.dmp
memory/2408-156-0x0000022EED1E0000-0x0000022EF0AD8000-memory.dmp
memory/2408-157-0x0000022EF3160000-0x0000022EF3170000-memory.dmp
memory/2408-158-0x0000022EF3370000-0x0000022EF3480000-memory.dmp
memory/2408-160-0x0000022EF2FA0000-0x0000022EF2FAC000-memory.dmp
memory/2408-159-0x0000022EF1100000-0x0000022EF1110000-memory.dmp
memory/2408-187-0x0000022EF8200000-0x0000022EF820C000-memory.dmp
memory/2408-162-0x0000022EF3000000-0x0000022EF3024000-memory.dmp
memory/2408-163-0x0000022EF3030000-0x0000022EF303A000-memory.dmp
memory/2408-164-0x0000022EF31A0000-0x0000022EF3252000-memory.dmp
memory/2408-165-0x0000022EF35D0000-0x0000022EF35FA000-memory.dmp
memory/2408-166-0x0000022EF3600000-0x0000022EF367A000-memory.dmp
memory/2408-167-0x0000022EF3680000-0x0000022EF36E2000-memory.dmp
memory/2408-188-0x0000022EF3160000-0x0000022EF3170000-memory.dmp
memory/2408-169-0x0000022EF0F40000-0x0000022EF0F4A000-memory.dmp
memory/2408-173-0x0000022EF37E0000-0x0000022EF3AE0000-memory.dmp
memory/2408-175-0x0000022EF3160000-0x0000022EF3170000-memory.dmp
memory/2408-177-0x0000022EF3160000-0x0000022EF3170000-memory.dmp
memory/2408-176-0x0000022EF7430000-0x0000022EF7438000-memory.dmp
memory/2408-178-0x0000022EF3160000-0x0000022EF3170000-memory.dmp
memory/2408-179-0x0000022EF7B30000-0x0000022EF7B68000-memory.dmp
memory/2408-180-0x0000022EF7B00000-0x0000022EF7B0E000-memory.dmp
memory/2408-181-0x0000022EF8480000-0x0000022EF848A000-memory.dmp
memory/2408-182-0x0000022EF8490000-0x0000022EF84B2000-memory.dmp
memory/2408-183-0x0000022EF89E0000-0x0000022EF8F08000-memory.dmp
memory/2408-186-0x0000022EF8250000-0x0000022EF82A0000-memory.dmp
memory/4016-142-0x0000000071960000-0x0000000072111000-memory.dmp
memory/4016-139-0x0000000005140000-0x0000000005150000-memory.dmp
memory/4016-137-0x0000000071960000-0x0000000072111000-memory.dmp
memory/4016-136-0x0000000000600000-0x0000000000620000-memory.dmp
memory/4940-128-0x0000000000400000-0x0000000000869000-memory.dmp
memory/4940-13-0x0000000002470000-0x0000000002497000-memory.dmp
memory/4940-14-0x0000000000400000-0x0000000000869000-memory.dmp
memory/4940-138-0x0000000000400000-0x0000000000869000-memory.dmp
memory/4940-15-0x0000000000930000-0x0000000000A30000-memory.dmp
memory/4940-16-0x0000000061E00000-0x0000000061EF3000-memory.dmp