Analysis
- max time kernel
149s - max time network
155s - platform
windows11-21h2_x64 - resource
win11-20240221-en - resource tags
- submitted
04/04/2024, 09:49
General
- Target ee61b0c1c0b1e270c8c15d0eebc7e0db0e0d4426ec0f6bf2d6b8eb69d81c534c.exe
- Size 359KB
- Sample240404-lts3aacd49
- SHA256 ee61b0c1c0b1e270c8c15d0eebc7e0db0e0d4426ec0f6bf2d6b8eb69d81c534c
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\ee61b0c1c0b1e270c8c15d0eebc7e0db0e0d4426ec0f6bf2d6b8eb69d81c534c.exe"C:\Users\Admin\AppData\Local\Temp\ee61b0c1c0b1e270c8c15d0eebc7e0db0e0d4426ec0f6bf2d6b8eb69d81c534c.exe"1⤵
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\u370.0.exe"C:\Users\Admin\AppData\Local\Temp\u370.0.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\AFHDBGHJKF.exe"3⤵
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\AFHDBGHJKF.exe"C:\Users\Admin\AppData\Local\Temp\AFHDBGHJKF.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\AFHDBGHJKF.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 4212 -s 25003⤵
- Program crash
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C:\Users\Admin\AppData\Local\Temp\u370.1.exe"C:\Users\Admin\AppData\Local\Temp\u370.1.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 4140 -s 9922⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 4140 -ip 41401⤵
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 532 -p 4212 -ip 42121⤵
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
Are.docx
mozglue.dll
nss3.dll
AFHDBGHJKF.exe
u370.0.exe
u370.1.exe
memory/1328-140-0x0000000000400000-0x00000000008AD000-memory.dmp
memory/1328-128-0x0000000000400000-0x00000000008AD000-memory.dmp
memory/1328-26-0x0000000002760000-0x0000000002761000-memory.dmp
memory/2384-154-0x000001DDF2090000-0x000001DDF20F2000-memory.dmp
memory/2384-163-0x000001DDF65A0000-0x000001DDF65A8000-memory.dmp
memory/2384-200-0x000001DDF1D70000-0x000001DDF1D80000-memory.dmp
memory/2384-201-0x000001DDF1D70000-0x000001DDF1D80000-memory.dmp
memory/2384-199-0x000001DDF1D70000-0x000001DDF1D80000-memory.dmp
memory/2384-198-0x000001DDF1D70000-0x000001DDF1D80000-memory.dmp
memory/2384-197-0x00007FFC7CBC0000-0x00007FFC7D682000-memory.dmp
memory/2384-195-0x000001DDF2650000-0x000001DDF266E000-memory.dmp
memory/2384-141-0x00007FFC7CBC0000-0x00007FFC7D682000-memory.dmp
memory/2384-142-0x000001DDEBBF0000-0x000001DDEF4E8000-memory.dmp
memory/2384-144-0x000001DDF1D80000-0x000001DDF1E90000-memory.dmp
memory/2384-147-0x000001DDF1BA0000-0x000001DDF1BAC000-memory.dmp
memory/2384-146-0x000001DDF1B80000-0x000001DDF1B90000-memory.dmp
memory/2384-145-0x000001DDF1D70000-0x000001DDF1D80000-memory.dmp
memory/2384-148-0x000001DDF1B90000-0x000001DDF1BA4000-memory.dmp
memory/2384-149-0x000001DDF1C00000-0x000001DDF1C24000-memory.dmp
memory/2384-151-0x000001DDF1C80000-0x000001DDF1CAA000-memory.dmp
memory/2384-152-0x000001DDF1FE0000-0x000001DDF2092000-memory.dmp
memory/2384-155-0x000001DDF2170000-0x000001DDF21E6000-memory.dmp
memory/2384-179-0x000001DDF2620000-0x000001DDF2642000-memory.dmp
memory/2384-153-0x000001DDF1CB0000-0x000001DDF1D2A000-memory.dmp
memory/2384-150-0x000001DDF1C30000-0x000001DDF1C3A000-memory.dmp
memory/2384-156-0x000001DDF1290000-0x000001DDF129A000-memory.dmp
memory/2384-160-0x000001DDF21F0000-0x000001DDF24F0000-memory.dmp
memory/2384-162-0x000001DDF1D70000-0x000001DDF1D80000-memory.dmp
memory/2384-172-0x000001DDF6C70000-0x000001DDF6CC0000-memory.dmp
memory/2384-165-0x000001DDF1D70000-0x000001DDF1D80000-memory.dmp
memory/2384-166-0x000001DDF64F0000-0x000001DDF64FE000-memory.dmp
memory/2384-164-0x000001DDF6520000-0x000001DDF6558000-memory.dmp
memory/2384-168-0x000001DDF6C00000-0x000001DDF6C22000-memory.dmp
memory/2384-167-0x000001DDF6E80000-0x000001DDF6E8A000-memory.dmp
memory/2384-169-0x000001DDF73C0000-0x000001DDF78E8000-memory.dmp
memory/2384-173-0x000001DDF6C20000-0x000001DDF6C2C000-memory.dmp
memory/2896-194-0x0000000071E30000-0x00000000725E1000-memory.dmp
memory/2896-187-0x0000000000430000-0x0000000000450000-memory.dmp
memory/2896-190-0x0000000071E30000-0x00000000725E1000-memory.dmp
memory/2896-191-0x0000000005110000-0x0000000005120000-memory.dmp
memory/4140-3-0x0000000000400000-0x0000000002B83000-memory.dmp
memory/4140-1-0x0000000002E40000-0x0000000002F40000-memory.dmp
memory/4140-2-0x00000000049E0000-0x0000000004A4C000-memory.dmp
memory/4140-56-0x0000000000400000-0x0000000002B83000-memory.dmp
memory/4140-58-0x00000000049E0000-0x0000000004A4C000-memory.dmp
memory/4212-186-0x0000000002DC0000-0x0000000002EC0000-memory.dmp
memory/4212-13-0x0000000002DC0000-0x0000000002EC0000-memory.dmp
memory/4212-188-0x0000000000400000-0x0000000002B60000-memory.dmp
memory/4212-14-0x0000000004760000-0x0000000004787000-memory.dmp
memory/4212-127-0x0000000000400000-0x0000000002B60000-memory.dmp
memory/4212-15-0x0000000000400000-0x0000000002B60000-memory.dmp
memory/4212-35-0x0000000061E00000-0x0000000061EF3000-memory.dmp
memory/4212-189-0x0000000000400000-0x0000000002B60000-memory.dmp