Analysis
- max time kernel
132s - max time network
141s - platform
windows11-21h2_x64 - resource
win11-20240419-en - resource tags
- submitted
10/05/2024, 17:15
General
- Target 749354f8c6f54750b9ece204494d6281fbab361ba448576a7dae67f37bfd9ffe.exe
- Size 372KB
- Sample240510-vslfgsbe48
- SHA256 749354f8c6f54750b9ece204494d6281fbab361ba448576a7dae67f37bfd9ffe
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
-
C:\Users\Admin\AppData\Local\Temp\749354f8c6f54750b9ece204494d6281fbab361ba448576a7dae67f37bfd9ffe.exe"C:\Users\Admin\AppData\Local\Temp\749354f8c6f54750b9ece204494d6281fbab361ba448576a7dae67f37bfd9ffe.exe"1⤵
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\u3lg.0.exe"C:\Users\Admin\AppData\Local\Temp\u3lg.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 2708 -s 20883⤵
- Program crash
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-
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C:\Users\Admin\AppData\Local\Temp\u3lg.1.exe"C:\Users\Admin\AppData\Local\Temp\u3lg.1.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
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-
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4660 -s 15202⤵
- Program crash
-
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 4660 -ip 46601⤵
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 2708 -ip 27081⤵
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
Are.docx
mozglue.dll
nss3.dll
u3lg.0.exe
u3lg.1.exe
memory/2012-139-0x000001B5F7510000-0x000001B5F751A000-memory.dmp
memory/2012-140-0x000001B5F7950000-0x000001B5F7A02000-memory.dmp
memory/2012-162-0x000001B5FC510000-0x000001B5FC52E000-memory.dmp
memory/2012-161-0x000001B5FC5B0000-0x000001B5FC626000-memory.dmp
memory/2012-160-0x000001B5FC4D0000-0x000001B5FC4DC000-memory.dmp
memory/2012-157-0x000001B5FCD20000-0x000001B5FD248000-memory.dmp
memory/2012-156-0x000001B5FC7D0000-0x000001B5FC7F2000-memory.dmp
memory/2012-155-0x000001B5FC770000-0x000001B5FC7D2000-memory.dmp
memory/2012-154-0x000001B5FC750000-0x000001B5FC75A000-memory.dmp
memory/2012-132-0x000001B5D9650000-0x000001B5DCE84000-memory.dmp
memory/2012-133-0x000001B5F7620000-0x000001B5F772A000-memory.dmp
memory/2012-134-0x000001B5DEB70000-0x000001B5DEB80000-memory.dmp
memory/2012-135-0x000001B5DEB90000-0x000001B5DEB9C000-memory.dmp
memory/2012-137-0x000001B5DEB80000-0x000001B5DEB94000-memory.dmp
memory/2012-138-0x000001B5F74D0000-0x000001B5F74F4000-memory.dmp
memory/2012-153-0x000001B5FBDD0000-0x000001B5FBDD8000-memory.dmp
memory/2012-141-0x000001B5F7760000-0x000001B5F778A000-memory.dmp
memory/2012-152-0x000001B5FBDB0000-0x000001B5FBDBE000-memory.dmp
memory/2012-142-0x000001B5F7A00000-0x000001B5F7A50000-memory.dmp
memory/2012-143-0x000001B5F7790000-0x000001B5F77B2000-memory.dmp
memory/2012-144-0x000001B5DEB50000-0x000001B5DEB5A000-memory.dmp
memory/2012-148-0x000001B5F7A50000-0x000001B5F7D50000-memory.dmp
memory/2012-150-0x000001B5FC4A0000-0x000001B5FC4A8000-memory.dmp
memory/2012-151-0x000001B5FBDE0000-0x000001B5FBE18000-memory.dmp
memory/2188-131-0x0000000000400000-0x00000000008AD000-memory.dmp
memory/2188-119-0x0000000000400000-0x00000000008AD000-memory.dmp
memory/2708-118-0x0000000000400000-0x0000000002576000-memory.dmp
memory/2708-34-0x0000000061E00000-0x0000000061EF3000-memory.dmp
memory/2708-174-0x0000000000400000-0x0000000002576000-memory.dmp
memory/4660-27-0x0000000000400000-0x000000000046F000-memory.dmp
memory/4660-1-0x0000000002860000-0x0000000002960000-memory.dmp
memory/4660-3-0x0000000000400000-0x000000000046F000-memory.dmp
memory/4660-28-0x0000000004300000-0x000000000436C000-memory.dmp
memory/4660-26-0x0000000000400000-0x0000000002599000-memory.dmp
memory/4660-2-0x0000000004300000-0x000000000436C000-memory.dmp