Analysis
- max time kernel
131s - max time network
132s - platform
windows11-21h2_x64 - resource
win11-20240419-en - resource tags
- submitted
05/05/2024, 15:00
General
- Target f901ec0e346db59fd39c83d204281ecd342787be99a2c70b3a172d49f99caada.exe
- Size 398KB
- Sample240505-sdp41sdc9v
- SHA256 f901ec0e346db59fd39c83d204281ecd342787be99a2c70b3a172d49f99caada
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
- 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.
- 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 8 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\f901ec0e346db59fd39c83d204281ecd342787be99a2c70b3a172d49f99caada.exe"C:\Users\Admin\AppData\Local\Temp\f901ec0e346db59fd39c83d204281ecd342787be99a2c70b3a172d49f99caada.exe"1⤵
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\u2f0.0.exe"C:\Users\Admin\AppData\Local\Temp\u2f0.0.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1484 -s 24363⤵
- Program crash
-
-
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C:\Users\Admin\AppData\Local\Temp\u2f0.1.exe"C:\Users\Admin\AppData\Local\Temp\u2f0.1.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
-
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3132 -s 9602⤵
- Program crash
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 3132 -ip 31321⤵
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 1484 -ip 14841⤵
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
Are.docx
mozglue.dll
nss3.dll
u2f0.0.exe
u2f0.1.exe
memory/772-59-0x0000000000400000-0x00000000008AD000-memory.dmp
memory/772-63-0x0000000000400000-0x00000000008AD000-memory.dmp
memory/1484-176-0x0000000000400000-0x0000000002B02000-memory.dmp
memory/1484-60-0x0000000000400000-0x0000000002B02000-memory.dmp
memory/1484-169-0x0000000000400000-0x0000000002B02000-memory.dmp
memory/1484-135-0x0000000000400000-0x0000000002B02000-memory.dmp
memory/1484-70-0x0000000061E00000-0x0000000061EF3000-memory.dmp
memory/3132-33-0x00000000030A0000-0x000000000310C000-memory.dmp
memory/3132-34-0x0000000000400000-0x000000000046F000-memory.dmp
memory/3132-27-0x0000000000400000-0x0000000002B21000-memory.dmp
memory/3132-1-0x0000000002D60000-0x0000000002E60000-memory.dmp
memory/3132-3-0x0000000000400000-0x000000000046F000-memory.dmp
memory/3132-2-0x00000000030A0000-0x000000000310C000-memory.dmp
memory/5056-88-0x0000024AF9390000-0x0000024AF9442000-memory.dmp
memory/5056-119-0x0000024A98300000-0x0000024A98322000-memory.dmp
memory/5056-86-0x0000024AF9090000-0x0000024AF909A000-memory.dmp
memory/5056-89-0x0000024AF9440000-0x0000024AF94BA000-memory.dmp
memory/5056-90-0x0000024AF94C0000-0x0000024AF9522000-memory.dmp
memory/5056-91-0x0000024AF95A0000-0x0000024AF9616000-memory.dmp
memory/5056-92-0x0000024AF90D0000-0x0000024AF90DA000-memory.dmp
memory/5056-96-0x0000024AF9620000-0x0000024AF9920000-memory.dmp
memory/5056-115-0x0000024AFD290000-0x0000024AFD298000-memory.dmp
memory/5056-117-0x0000024AFD2A0000-0x0000024AFD2AE000-memory.dmp
memory/5056-116-0x0000024AFD980000-0x0000024AFD9B8000-memory.dmp
memory/5056-87-0x0000024AF9360000-0x0000024AF938A000-memory.dmp
memory/5056-118-0x0000024A98580000-0x0000024A9858A000-memory.dmp
memory/5056-120-0x0000024A98AC0000-0x0000024A98FE8000-memory.dmp
memory/5056-123-0x0000024AFDE40000-0x0000024AFDE90000-memory.dmp
memory/5056-124-0x0000024A98320000-0x0000024A9832C000-memory.dmp
memory/5056-134-0x0000024AFD9C0000-0x0000024AFD9E2000-memory.dmp
memory/5056-136-0x0000024AFD960000-0x0000024AFD97E000-memory.dmp
memory/5056-66-0x0000024AF8FE0000-0x0000024AF8FF0000-memory.dmp
memory/5056-67-0x0000024AF9000000-0x0000024AF900C000-memory.dmp
memory/5056-68-0x0000024AF8FF0000-0x0000024AF9004000-memory.dmp
memory/5056-69-0x0000024AF9060000-0x0000024AF9084000-memory.dmp
memory/5056-65-0x0000024AF90F0000-0x0000024AF9200000-memory.dmp
memory/5056-64-0x0000024AF3050000-0x0000024AF6948000-memory.dmp