Analysis
- max time kernel
124s - max time network
126s - platform
windows11-21h2_x64 - resource
win11-20240221-en - resource tags
- submitted
03/04/2024, 10:02
General
- Target 6c64da10ffbc6c1bbf4ee8121b5d83613e25958d8b0a09c63b7093fb23ab4c84.exe
- Size 430KB
- Sample240403-l29p1acd32
- SHA256 6c64da10ffbc6c1bbf4ee8121b5d83613e25958d8b0a09c63b7093fb23ab4c84
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 23 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\6c64da10ffbc6c1bbf4ee8121b5d83613e25958d8b0a09c63b7093fb23ab4c84.exe"C:\Users\Admin\AppData\Local\Temp\6c64da10ffbc6c1bbf4ee8121b5d83613e25958d8b0a09c63b7093fb23ab4c84.exe"1⤵
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\u1go.0.exe"C:\Users\Admin\AppData\Local\Temp\u1go.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\HIDHDAAEHI.exe"3⤵
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\HIDHDAAEHI.exe"C:\Users\Admin\AppData\Local\Temp\HIDHDAAEHI.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\HIDHDAAEHI.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 3028 -s 25403⤵
- Program crash
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C:\Users\Admin\AppData\Local\Temp\u1go.1.exe"C:\Users\Admin\AppData\Local\Temp\u1go.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 1896 -s 15442⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 1896 -ip 18961⤵
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 3028 -ip 30281⤵
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
Are.docx
mozglue.dll
nss3.dll
HIDHDAAEHI.exe
u1go.0.exe
u1go.1.exe
memory/1448-148-0x0000000000400000-0x00000000008AD000-memory.dmp
memory/1448-155-0x0000000000400000-0x00000000008AD000-memory.dmp
memory/1448-65-0x0000000002860000-0x0000000002861000-memory.dmp
memory/1896-1-0x0000000000AD0000-0x0000000000BD0000-memory.dmp
memory/1896-70-0x0000000000400000-0x0000000000889000-memory.dmp
memory/1896-71-0x00000000026F0000-0x000000000275C000-memory.dmp
memory/1896-3-0x0000000000400000-0x0000000000889000-memory.dmp
memory/1896-2-0x00000000026F0000-0x000000000275C000-memory.dmp
memory/3028-15-0x0000000000400000-0x0000000000866000-memory.dmp
memory/3028-131-0x0000000000400000-0x0000000000866000-memory.dmp
memory/3028-16-0x0000000061E00000-0x0000000061EF3000-memory.dmp
memory/3028-153-0x0000000000400000-0x0000000000866000-memory.dmp
memory/3028-14-0x0000000002590000-0x00000000025B7000-memory.dmp
memory/3028-13-0x00000000009E0000-0x0000000000AE0000-memory.dmp
memory/3412-159-0x0000000071300000-0x0000000071AB1000-memory.dmp
memory/3412-149-0x0000000071300000-0x0000000071AB1000-memory.dmp
memory/3412-150-0x0000000000710000-0x0000000000730000-memory.dmp
memory/3412-154-0x0000000005230000-0x0000000005240000-memory.dmp
memory/3896-163-0x000001F9E02B0000-0x000001F9E02C0000-memory.dmp
memory/3896-181-0x000001F9E0270000-0x000001F9E0280000-memory.dmp
memory/3896-161-0x000001F9E0270000-0x000001F9E0280000-memory.dmp
memory/3896-162-0x000001F9FA4D0000-0x000001F9FA5E0000-memory.dmp
memory/3896-157-0x00007FFEE02E0000-0x00007FFEE0DA2000-memory.dmp
memory/3896-164-0x000001F9E1BC0000-0x000001F9E1BCC000-memory.dmp
memory/3896-165-0x000001F9E1BB0000-0x000001F9E1BC4000-memory.dmp
memory/3896-166-0x000001F9FA3A0000-0x000001F9FA3C4000-memory.dmp
memory/3896-167-0x000001F9FA780000-0x000001F9FA78A000-memory.dmp
memory/3896-168-0x000001F9FA7A0000-0x000001F9FA7CA000-memory.dmp
memory/3896-169-0x000001F9FA7D0000-0x000001F9FA882000-memory.dmp
memory/3896-170-0x000001F9FA880000-0x000001F9FA8FA000-memory.dmp
memory/3896-171-0x000001F9FA900000-0x000001F9FA962000-memory.dmp
memory/3896-172-0x000001F9FA9E0000-0x000001F9FAA56000-memory.dmp
memory/3896-173-0x000001F9E0280000-0x000001F9E028A000-memory.dmp
memory/3896-177-0x000001F9FAA60000-0x000001F9FAD60000-memory.dmp
memory/3896-179-0x000001F9E0270000-0x000001F9E0280000-memory.dmp
memory/3896-160-0x000001F9DC490000-0x000001F9DFD88000-memory.dmp
memory/3896-180-0x000001F9FED50000-0x000001F9FED58000-memory.dmp
memory/3896-182-0x000001F9FEDA0000-0x000001F9FEDD8000-memory.dmp
memory/3896-183-0x000001F9FED60000-0x000001F9FED6E000-memory.dmp
memory/3896-184-0x000001F980580000-0x000001F98058A000-memory.dmp
memory/3896-185-0x000001F980300000-0x000001F980322000-memory.dmp
memory/3896-186-0x000001F980AC0000-0x000001F980FE8000-memory.dmp
memory/3896-189-0x000001F9E0270000-0x000001F9E0280000-memory.dmp
memory/3896-190-0x000001F9FF240000-0x000001F9FF290000-memory.dmp
memory/3896-191-0x000001F980320000-0x000001F98032C000-memory.dmp
memory/3896-192-0x000001F9FEDE0000-0x000001F9FEE02000-memory.dmp
memory/3896-193-0x000001F9FEE10000-0x000001F9FEE2E000-memory.dmp
memory/3896-195-0x00007FFEE02E0000-0x00007FFEE0DA2000-memory.dmp
memory/3896-196-0x000001F9E0270000-0x000001F9E0280000-memory.dmp
memory/3896-197-0x000001F9E0270000-0x000001F9E0280000-memory.dmp
memory/3896-198-0x000001F9E0270000-0x000001F9E0280000-memory.dmp
memory/3896-199-0x000001F9E0270000-0x000001F9E0280000-memory.dmp