Analysis
- max time kernel
124s - max time network
126s - platform
windows11-21h2_x64 - resource
win11-20240214-en - resource tags
- submitted
03/04/2024, 09:51
General
- Target 4a7702109617d79d6f6fbf417a724fbfef11a536e2745cf49ffbdf3f76ae248e.exe
- Size 428KB
- Sample240403-lvpfgscc39
- SHA256 4a7702109617d79d6f6fbf417a724fbfef11a536e2745cf49ffbdf3f76ae248e
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\4a7702109617d79d6f6fbf417a724fbfef11a536e2745cf49ffbdf3f76ae248e.exe"C:\Users\Admin\AppData\Local\Temp\4a7702109617d79d6f6fbf417a724fbfef11a536e2745cf49ffbdf3f76ae248e.exe"1⤵
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\u290.0.exe"C:\Users\Admin\AppData\Local\Temp\u290.0.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\JKKEBGCGHI.exe"3⤵
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\JKKEBGCGHI.exe"C:\Users\Admin\AppData\Local\Temp\JKKEBGCGHI.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\JKKEBGCGHI.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 1436 -s 25443⤵
- Program crash
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C:\Users\Admin\AppData\Local\Temp\u290.1.exe"C:\Users\Admin\AppData\Local\Temp\u290.1.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 2916 -s 15202⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 2916 -ip 29161⤵
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 548 -p 1436 -ip 14361⤵
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
Are.docx
mozglue.dll
nss3.dll
JKKEBGCGHI.exe
u290.0.exe
u290.1.exe
memory/1160-167-0x000001A90C9E0000-0x000001A90C9F0000-memory.dmp
memory/1160-189-0x000001A929D80000-0x000001A929D8A000-memory.dmp
memory/1160-204-0x000001A925320000-0x000001A925330000-memory.dmp
memory/1160-203-0x000001A925320000-0x000001A925330000-memory.dmp
memory/1160-202-0x000001A925320000-0x000001A925330000-memory.dmp
memory/1160-201-0x000001A925320000-0x000001A925330000-memory.dmp
memory/1160-200-0x000001A925320000-0x000001A925330000-memory.dmp
memory/1160-172-0x000001A925450000-0x000001A92547A000-memory.dmp
memory/1160-197-0x000001A92A4A0000-0x000001A92A4BE000-memory.dmp
memory/1160-196-0x000001A92A470000-0x000001A92A492000-memory.dmp
memory/1160-195-0x000001A92A3D0000-0x000001A92A3DC000-memory.dmp
memory/1160-194-0x000001A92A420000-0x000001A92A470000-memory.dmp
memory/1160-191-0x000001A92ABA0000-0x000001A92B0C8000-memory.dmp
memory/1160-190-0x000001A92A650000-0x000001A92A672000-memory.dmp
memory/1160-171-0x000001A925430000-0x000001A92543A000-memory.dmp
memory/1160-183-0x000001A925320000-0x000001A925330000-memory.dmp
memory/1160-184-0x000001A9295F0000-0x000001A9295F8000-memory.dmp
memory/1160-187-0x000001A925320000-0x000001A925330000-memory.dmp
memory/1160-163-0x00007FFC2C190000-0x00007FFC2CC52000-memory.dmp
memory/1160-164-0x000001A9073B0000-0x000001A90ACA8000-memory.dmp
memory/1160-165-0x000001A925320000-0x000001A925330000-memory.dmp
memory/1160-173-0x000001A925780000-0x000001A925832000-memory.dmp
memory/1160-188-0x000001A929CC0000-0x000001A929CCE000-memory.dmp
memory/1160-168-0x000001A925190000-0x000001A92519C000-memory.dmp
memory/1160-169-0x000001A925180000-0x000001A925194000-memory.dmp
memory/1160-170-0x000001A925300000-0x000001A925324000-memory.dmp
memory/1160-185-0x000001A925320000-0x000001A925330000-memory.dmp
memory/1160-199-0x00007FFC2C190000-0x00007FFC2CC52000-memory.dmp
memory/1160-166-0x000001A925520000-0x000001A925630000-memory.dmp
memory/1160-174-0x000001A925480000-0x000001A9254FA000-memory.dmp
memory/1160-175-0x000001A925830000-0x000001A925892000-memory.dmp
memory/1160-176-0x000001A925910000-0x000001A925986000-memory.dmp
memory/1160-177-0x000001A925160000-0x000001A92516A000-memory.dmp
memory/1160-181-0x000001A925990000-0x000001A925C90000-memory.dmp
memory/1160-186-0x000001A929D00000-0x000001A929D38000-memory.dmp
memory/1436-16-0x0000000061E00000-0x0000000061EF3000-memory.dmp
memory/1436-15-0x0000000000400000-0x0000000000866000-memory.dmp
memory/1436-14-0x0000000002470000-0x0000000002497000-memory.dmp
memory/1436-13-0x0000000000BD0000-0x0000000000CD0000-memory.dmp
memory/1436-136-0x0000000000400000-0x0000000000866000-memory.dmp
memory/1436-149-0x0000000000400000-0x0000000000866000-memory.dmp
memory/2128-148-0x0000000071B90000-0x0000000072341000-memory.dmp
memory/2128-146-0x0000000003240000-0x0000000003250000-memory.dmp
memory/2128-144-0x0000000071B90000-0x0000000072341000-memory.dmp
memory/2128-143-0x0000000000B20000-0x0000000000B40000-memory.dmp
memory/2916-2-0x0000000000B40000-0x0000000000BAC000-memory.dmp
memory/2916-3-0x0000000000400000-0x0000000000889000-memory.dmp
memory/2916-74-0x0000000000B40000-0x0000000000BAC000-memory.dmp
memory/2916-73-0x0000000000400000-0x0000000000889000-memory.dmp
memory/2916-1-0x0000000000BE0000-0x0000000000CE0000-memory.dmp
memory/4848-162-0x0000000000400000-0x00000000008AD000-memory.dmp
memory/4848-161-0x0000000000400000-0x00000000008AD000-memory.dmp
memory/4848-65-0x00000000028B0000-0x00000000028B1000-memory.dmp