Analysis
- max time kernel
146s - max time network
155s - platform
windows11-21h2_x64 - resource
win11-20240508-en - resource tags
- submitted
09/05/2024, 19:41
General
- Target d719fb243a6d2ad33a76aa78ee66f4763a36c78a2373a01de223fb5c27b722da.exe
- Size 384KB
- Sample240509-yeebssec65
- SHA256 d719fb243a6d2ad33a76aa78ee66f4763a36c78a2373a01de223fb5c27b722da
Malware Config
Extracted
-
stealc
-
http://185.172.128.150
-
url_path
/c698e1bc8a2f5e6d.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 2 IoCs
- 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.
- 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 8 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\d719fb243a6d2ad33a76aa78ee66f4763a36c78a2373a01de223fb5c27b722da.exe"C:\Users\Admin\AppData\Local\Temp\d719fb243a6d2ad33a76aa78ee66f4763a36c78a2373a01de223fb5c27b722da.exe"1⤵
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\u3ms.0.exe"C:\Users\Admin\AppData\Local\Temp\u3ms.0.exe"2⤵
- Executes dropped EXE
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3816 -s 14243⤵
- Program crash
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-
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C:\Users\Admin\AppData\Local\Temp\u3ms.1.exe"C:\Users\Admin\AppData\Local\Temp\u3ms.1.exe"2⤵
- Executes dropped EXE
- Checks SCSI registry key(s)
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
-
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 4708 -s 15242⤵
- Program crash
-
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 4708 -ip 47081⤵
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 3816 -ip 38161⤵
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
u3ms.0.exe
u3ms.1.exe
memory/1396-92-0x0000023C79F60000-0x0000023C79FC2000-memory.dmp
memory/1396-70-0x0000023C6F0D0000-0x0000023C72904000-memory.dmp
memory/1396-100-0x0000023C7A010000-0x0000023C7A02E000-memory.dmp
memory/1396-98-0x0000023C7A0B0000-0x0000023C7A126000-memory.dmp
memory/1396-97-0x0000023C79F50000-0x0000023C79F5C000-memory.dmp
memory/1396-94-0x0000023C7A710000-0x0000023C7AC38000-memory.dmp
memory/1396-93-0x0000023C79FC0000-0x0000023C79FE2000-memory.dmp
memory/1396-91-0x0000023C7A1D0000-0x0000023C7A1DA000-memory.dmp
memory/1396-90-0x0000023C79850000-0x0000023C79858000-memory.dmp
memory/1396-89-0x0000023C79830000-0x0000023C7983E000-memory.dmp
memory/1396-77-0x0000023C75330000-0x0000023C753E2000-memory.dmp
memory/1396-87-0x0000023C798E0000-0x0000023C798E8000-memory.dmp
memory/1396-73-0x0000023C74720000-0x0000023C7472C000-memory.dmp
memory/1396-72-0x0000023C72E40000-0x0000023C72E50000-memory.dmp
memory/1396-71-0x0000023C75060000-0x0000023C7516A000-memory.dmp
memory/1396-75-0x0000023C75170000-0x0000023C75194000-memory.dmp
memory/1396-78-0x0000023C753E0000-0x0000023C7540A000-memory.dmp
memory/1396-76-0x0000023C75300000-0x0000023C7530A000-memory.dmp
memory/1396-88-0x0000023C79860000-0x0000023C79898000-memory.dmp
memory/1396-74-0x0000023C74710000-0x0000023C74724000-memory.dmp
memory/1396-85-0x0000023C754E0000-0x0000023C757E0000-memory.dmp
memory/1396-80-0x0000023C754B0000-0x0000023C754D2000-memory.dmp
memory/1396-81-0x0000023C72E20000-0x0000023C72E2A000-memory.dmp
memory/1396-79-0x0000023C75460000-0x0000023C754B0000-memory.dmp
memory/1624-69-0x0000000000400000-0x00000000008AD000-memory.dmp
memory/1624-66-0x0000000000400000-0x00000000008AD000-memory.dmp
memory/3816-18-0x0000000000400000-0x0000000002AF1000-memory.dmp
memory/3816-108-0x0000000000400000-0x0000000002AF1000-memory.dmp
memory/3816-106-0x0000000000400000-0x0000000002AF1000-memory.dmp
memory/3816-104-0x0000000000400000-0x0000000002AF1000-memory.dmp
memory/3816-102-0x0000000000400000-0x0000000002AF1000-memory.dmp
memory/3816-19-0x0000000000400000-0x0000000002AF1000-memory.dmp
memory/4708-4-0x0000000000400000-0x000000000046F000-memory.dmp
memory/4708-17-0x0000000000400000-0x0000000002B1E000-memory.dmp
memory/4708-2-0x0000000002DE0000-0x0000000002EE0000-memory.dmp
memory/4708-3-0x0000000002FE0000-0x000000000304C000-memory.dmp
memory/4708-40-0x0000000000400000-0x000000000046F000-memory.dmp
memory/4708-1-0x0000000000400000-0x0000000002B1E000-memory.dmp
memory/4708-39-0x0000000000400000-0x0000000002B1E000-memory.dmp