Analysis
- max time kernel
144s - max time network
151s - platform
windows11-21h2_x64 - resource
win11-20240319-en - resource tags
- submitted
03/04/2024, 19:32
General
- Target 1c3dee97b16eeeb895707e1e13cf9616c362b40eddd978d2e1eb58e246c345d9.exe
- Size 430KB
- Sample240403-x81w8aae4v
- SHA256 1c3dee97b16eeeb895707e1e13cf9616c362b40eddd978d2e1eb58e246c345d9
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\1c3dee97b16eeeb895707e1e13cf9616c362b40eddd978d2e1eb58e246c345d9.exe"C:\Users\Admin\AppData\Local\Temp\1c3dee97b16eeeb895707e1e13cf9616c362b40eddd978d2e1eb58e246c345d9.exe"1⤵
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\ul0.0.exe"C:\Users\Admin\AppData\Local\Temp\ul0.0.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\BKFBAECBAE.exe"3⤵
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\BKFBAECBAE.exe"C:\Users\Admin\AppData\Local\Temp\BKFBAECBAE.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\BKFBAECBAE.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 2604 -s 25443⤵
- Program crash
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C:\Users\Admin\AppData\Local\Temp\ul0.1.exe"C:\Users\Admin\AppData\Local\Temp\ul0.1.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 756 -s 15322⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 756 -ip 7561⤵
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 528 -p 2604 -ip 26041⤵
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
Are.docx
mozglue.dll
nss3.dll
BKFBAECBAE.exe
ioloDMLog.txt
ul0.0.exe
ul0.1.exe
memory/756-2-0x0000000002700000-0x000000000276C000-memory.dmp
memory/756-3-0x0000000000400000-0x0000000000889000-memory.dmp
memory/756-1-0x0000000000A10000-0x0000000000B10000-memory.dmp
memory/756-68-0x0000000000400000-0x0000000000889000-memory.dmp
memory/756-75-0x0000000002700000-0x000000000276C000-memory.dmp
memory/2604-13-0x0000000000AE0000-0x0000000000BE0000-memory.dmp
memory/2604-157-0x0000000000400000-0x0000000000869000-memory.dmp
memory/2604-100-0x0000000000400000-0x0000000000869000-memory.dmp
memory/2604-31-0x0000000061E00000-0x0000000061EF3000-memory.dmp
memory/2604-15-0x0000000000400000-0x0000000000869000-memory.dmp
memory/2604-14-0x00000000025C0000-0x00000000025E7000-memory.dmp
memory/2604-145-0x0000000000400000-0x0000000000869000-memory.dmp
memory/3932-161-0x0000028222340000-0x0000028222350000-memory.dmp
memory/3932-185-0x000002823F6D0000-0x000002823F6DA000-memory.dmp
memory/3932-151-0x000002821CD50000-0x0000028220648000-memory.dmp
memory/3932-198-0x0000028222310000-0x0000028222320000-memory.dmp
memory/3932-197-0x0000028222310000-0x0000028222320000-memory.dmp
memory/3932-196-0x0000028222310000-0x0000028222320000-memory.dmp
memory/3932-195-0x00007FFE958E0000-0x00007FFE963A2000-memory.dmp
memory/3932-158-0x0000028222310000-0x0000028222320000-memory.dmp
memory/3932-160-0x000002823AE40000-0x000002823AF50000-memory.dmp
memory/3932-193-0x00000282405D0000-0x00000282405EE000-memory.dmp
memory/3932-192-0x00000282408C0000-0x00000282408E2000-memory.dmp
memory/3932-162-0x0000028222360000-0x000002822236C000-memory.dmp
memory/3932-163-0x0000028222350000-0x0000028222364000-memory.dmp
memory/3932-164-0x000002823ABA0000-0x000002823ABC4000-memory.dmp
memory/3932-191-0x000002823F6F0000-0x000002823F6FC000-memory.dmp
memory/3932-168-0x000002823ABD0000-0x000002823ABDA000-memory.dmp
memory/3932-169-0x000002823B0A0000-0x000002823B152000-memory.dmp
memory/3932-170-0x000002823ABF0000-0x000002823AC1A000-memory.dmp
memory/3932-171-0x000002823B150000-0x000002823B1CA000-memory.dmp
memory/3932-172-0x000002823B1D0000-0x000002823B232000-memory.dmp
memory/3932-173-0x000002823B2B0000-0x000002823B326000-memory.dmp
memory/3932-174-0x0000028222320000-0x000002822232A000-memory.dmp
memory/3932-178-0x000002823B330000-0x000002823B630000-memory.dmp
memory/3932-180-0x0000028222310000-0x0000028222320000-memory.dmp
memory/3932-181-0x0000028222310000-0x0000028222320000-memory.dmp
memory/3932-182-0x000002823FD40000-0x000002823FD48000-memory.dmp
memory/3932-184-0x000002823F650000-0x000002823F65E000-memory.dmp
memory/3932-183-0x000002823F680000-0x000002823F6B8000-memory.dmp
memory/3932-147-0x00007FFE958E0000-0x00007FFE963A2000-memory.dmp
memory/3932-186-0x0000028240580000-0x00000282405A2000-memory.dmp
memory/3932-187-0x0000028240AD0000-0x0000028240FF8000-memory.dmp
memory/3932-190-0x00000282405F0000-0x0000028240640000-memory.dmp
memory/4508-26-0x0000000002760000-0x0000000002761000-memory.dmp
memory/4508-107-0x0000000000400000-0x00000000008AD000-memory.dmp
memory/4508-146-0x0000000000400000-0x00000000008AD000-memory.dmp
memory/5008-167-0x0000000071EF0000-0x00000000726A1000-memory.dmp
memory/5008-159-0x0000000001030000-0x0000000001040000-memory.dmp
memory/5008-155-0x00000000006C0000-0x00000000006E0000-memory.dmp
memory/5008-156-0x0000000071EF0000-0x00000000726A1000-memory.dmp