Analysis
- max time kernel
118s - max time network
138s - platform
windows7_x64 - resource
win7-20240221-en - resource tags
- submitted
04/04/2024, 15:47
General
- Target SecuriteInfo.com.Win32.CrypterX-gen.18591.5918.exe
- Size 359KB
- Sample240404-s8ab2scd27
- SHA256 78243e0c019f05b2ae0f00c1396c12b2eaa9e32e72a152a5e3a45370d2ecfa64
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 11 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).
- 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 7 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of FindShellTrayWindow 7 IoCs
- Suspicious use of SendNotifyMessage 7 IoCs
- Suspicious use of WriteProcessMemory 28 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.CrypterX-gen.18591.5918.exe"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.CrypterX-gen.18591.5918.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\u1jw.0.exe"C:\Users\Admin\AppData\Local\Temp\u1jw.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\CFIECFIJDA.exe"3⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\CFIECFIJDA.exe"C:\Users\Admin\AppData\Local\Temp\CFIECFIJDA.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\CFIECFIJDA.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:\Users\Admin\AppData\Local\Temp\u1jw.1.exe"C:\Users\Admin\AppData\Local\Temp\u1jw.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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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
5c924a95403541d68b4d190c07ec983b.tmp
CFIECFIJDA.exe
ioloDMLog.txt
mozglue.dll
nss3.dll
u1jw.0.exe
u1jw.1.exe
memory/2004-175-0x000000001F850000-0x000000001FB50000-memory.dmp
memory/2004-178-0x000000001EAA0000-0x000000001EB20000-memory.dmp
memory/2004-194-0x000000001EAA0000-0x000000001EB20000-memory.dmp
memory/2004-193-0x000000001EAA0000-0x000000001EB20000-memory.dmp
memory/2004-192-0x000000001EAA0000-0x000000001EB20000-memory.dmp
memory/2004-191-0x0000000000480000-0x000000000048A000-memory.dmp
memory/2004-190-0x0000000000480000-0x000000000048A000-memory.dmp
memory/2004-189-0x000000001EAA0000-0x000000001EB20000-memory.dmp
memory/2004-185-0x000007FEF53E0000-0x000007FEF5DCC000-memory.dmp
memory/2004-183-0x000000001EAA0000-0x000000001EB20000-memory.dmp
memory/2004-184-0x000000001E9A0000-0x000000001E9AC000-memory.dmp
memory/2004-180-0x000000001EA80000-0x000000001EAA2000-memory.dmp
memory/2004-179-0x000000001E990000-0x000000001E99A000-memory.dmp
memory/2004-177-0x000000001EAA0000-0x000000001EB20000-memory.dmp
memory/2004-171-0x0000000000460000-0x000000000046A000-memory.dmp
memory/2004-170-0x0000000005A40000-0x0000000005AA2000-memory.dmp
memory/2004-169-0x0000000005900000-0x000000000597A000-memory.dmp
memory/2004-168-0x000000001F340000-0x000000001F3F2000-memory.dmp
memory/2004-167-0x000000001E950000-0x000000001E97A000-memory.dmp
memory/2004-166-0x000000001DF40000-0x000000001DF4A000-memory.dmp
memory/2004-165-0x000000001E540000-0x000000001E564000-memory.dmp
memory/2004-158-0x000007FEF53E0000-0x000007FEF5DCC000-memory.dmp
memory/2004-159-0x0000000000C00000-0x00000000044F8000-memory.dmp
memory/2004-160-0x000000001EAA0000-0x000000001EB20000-memory.dmp
memory/2004-161-0x000000001EE90000-0x000000001EFA0000-memory.dmp
memory/2004-163-0x000000001DF30000-0x000000001DF3C000-memory.dmp
memory/2004-162-0x00000000005C0000-0x00000000005D0000-memory.dmp
memory/2004-164-0x0000000005AA0000-0x0000000005AB4000-memory.dmp
memory/2012-3-0x0000000000400000-0x0000000002B83000-memory.dmp
memory/2012-2-0x0000000000230000-0x000000000029C000-memory.dmp
memory/2012-60-0x0000000000400000-0x0000000002B83000-memory.dmp
memory/2012-1-0x0000000002CF0000-0x0000000002DF0000-memory.dmp
memory/2012-77-0x0000000002CF0000-0x0000000002DF0000-memory.dmp
memory/2012-43-0x0000000000400000-0x0000000002B83000-memory.dmp
memory/2532-154-0x0000000072B70000-0x000000007325E000-memory.dmp
memory/2532-142-0x0000000000510000-0x0000000000550000-memory.dmp
memory/2532-141-0x0000000072B70000-0x000000007325E000-memory.dmp
memory/2532-140-0x0000000000CF0000-0x0000000000D10000-memory.dmp
memory/2668-134-0x0000000000400000-0x0000000002B7B000-memory.dmp
memory/2668-20-0x0000000002C30000-0x0000000002D30000-memory.dmp
memory/2668-123-0x0000000000400000-0x0000000002B7B000-memory.dmp
memory/2668-21-0x0000000000220000-0x0000000000247000-memory.dmp
memory/2668-22-0x0000000000400000-0x0000000002B7B000-memory.dmp
memory/2668-25-0x0000000061E00000-0x0000000061EF3000-memory.dmp
memory/2668-85-0x0000000000400000-0x0000000002B7B000-memory.dmp
memory/2668-138-0x0000000002C30000-0x0000000002D30000-memory.dmp
memory/2764-139-0x0000000000400000-0x00000000008AD000-memory.dmp
memory/2764-78-0x00000000002B0000-0x00000000002B1000-memory.dmp
memory/2764-89-0x0000000000400000-0x00000000008AD000-memory.dmp
memory/2764-157-0x0000000000400000-0x00000000008AD000-memory.dmp