Analysis
- max time kernel
146s - max time network
150s - platform
windows11-21h2_x64 - resource
win11-20240508-en - resource tags
- submitted
10/05/2024, 19:20
General
- Target 3efc203cacfc8b25525ad77e6e81d2fb5bb7353cb294f9c20c67fd74c286356e.exe
- Size 373KB
- Sample240510-x2a28adb2t
- SHA256 3efc203cacfc8b25525ad77e6e81d2fb5bb7353cb294f9c20c67fd74c286356e
Malware Config
Extracted
-
stealc
-
http://185.172.128.150
-
url_path
/c698e1bc8a2f5e6d.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 2 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.
- Suspicious behavior: EnumeratesProcesses 23 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of FindShellTrayWindow 7 IoCs
- Suspicious use of SendNotifyMessage 7 IoCs
- Suspicious use of WriteProcessMemory 8 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\3efc203cacfc8b25525ad77e6e81d2fb5bb7353cb294f9c20c67fd74c286356e.exe"C:\Users\Admin\AppData\Local\Temp\3efc203cacfc8b25525ad77e6e81d2fb5bb7353cb294f9c20c67fd74c286356e.exe"1⤵
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\u2uo.0.exe"C:\Users\Admin\AppData\Local\Temp\u2uo.0.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1368 -s 13683⤵
- Program crash
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-
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C:\Users\Admin\AppData\Local\Temp\u2uo.1.exe"C:\Users\Admin\AppData\Local\Temp\u2uo.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 3696 -s 11602⤵
- Program crash
-
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 3696 -ip 36961⤵
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 1368 -ip 13681⤵
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
Are.docx
mozglue.dll
nss3.dll
ioloDMLog.txt
u2uo.0.exe
u2uo.1.exe
memory/1368-168-0x0000000000400000-0x0000000002576000-memory.dmp
memory/1368-33-0x0000000061E00000-0x0000000061EF3000-memory.dmp
memory/1368-113-0x0000000000400000-0x0000000002576000-memory.dmp
memory/1756-130-0x0000000000400000-0x00000000008AD000-memory.dmp
memory/1756-127-0x0000000000400000-0x00000000008AD000-memory.dmp
memory/3644-144-0x000001F44CE90000-0x000001F44CEB4000-memory.dmp
memory/3644-151-0x000001F44B570000-0x000001F44B57A000-memory.dmp
memory/3644-170-0x000001F46A720000-0x000001F46A73E000-memory.dmp
memory/3644-131-0x000001F447830000-0x000001F44B064000-memory.dmp
memory/3644-136-0x000001F4658F0000-0x000001F4659FA000-memory.dmp
memory/3644-169-0x000001F46A7C0000-0x000001F46A836000-memory.dmp
memory/3644-142-0x000001F44CE70000-0x000001F44CE7C000-memory.dmp
memory/3644-141-0x000001F44CE50000-0x000001F44CE60000-memory.dmp
memory/3644-143-0x000001F44CE60000-0x000001F44CE74000-memory.dmp
memory/3644-167-0x000001F46A6E0000-0x000001F46A6EC000-memory.dmp
memory/3644-146-0x000001F44CFD0000-0x000001F44CFDA000-memory.dmp
memory/3644-147-0x000001F465B50000-0x000001F465C02000-memory.dmp
memory/3644-148-0x000001F465860000-0x000001F46588A000-memory.dmp
memory/3644-149-0x000001F465C00000-0x000001F465C50000-memory.dmp
memory/3644-150-0x000001F465890000-0x000001F4658B2000-memory.dmp
memory/3644-164-0x000001F46AEE0000-0x000001F46B408000-memory.dmp
memory/3644-155-0x000001F465C50000-0x000001F465F50000-memory.dmp
memory/3644-158-0x000001F469FF0000-0x000001F46A028000-memory.dmp
memory/3644-160-0x000001F469FC0000-0x000001F469FC8000-memory.dmp
memory/3644-159-0x000001F4698F0000-0x000001F4698FE000-memory.dmp
memory/3644-157-0x000001F4698D0000-0x000001F4698D8000-memory.dmp
memory/3644-161-0x000001F46A070000-0x000001F46A07A000-memory.dmp
memory/3644-163-0x000001F46A6C0000-0x000001F46A6E2000-memory.dmp
memory/3644-162-0x000001F46A950000-0x000001F46A9B2000-memory.dmp
memory/3696-26-0x0000000000400000-0x0000000002599000-memory.dmp
memory/3696-1-0x0000000002760000-0x0000000002860000-memory.dmp
memory/3696-3-0x0000000000400000-0x000000000046F000-memory.dmp
memory/3696-2-0x00000000042B0000-0x000000000431C000-memory.dmp
memory/3696-27-0x0000000000400000-0x000000000046F000-memory.dmp