Analysis
- max time kernel
131s - max time network
132s - platform
windows11-21h2_x64 - resource
win11-20240419-en - resource tags
- submitted
07/05/2024, 05:10
General
- Target aa454ce02cdf1ae74340c5cf10210a1ae98aea9f66f943fe9e934814ed62e5da.exe
- Size 416KB
- Sample240507-ft2frsag71
- SHA256 aa454ce02cdf1ae74340c5cf10210a1ae98aea9f66f943fe9e934814ed62e5da
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\aa454ce02cdf1ae74340c5cf10210a1ae98aea9f66f943fe9e934814ed62e5da.exe"C:\Users\Admin\AppData\Local\Temp\aa454ce02cdf1ae74340c5cf10210a1ae98aea9f66f943fe9e934814ed62e5da.exe"1⤵
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\u3b4.0.exe"C:\Users\Admin\AppData\Local\Temp\u3b4.0.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4148 -s 23403⤵
- Program crash
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-
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C:\Users\Admin\AppData\Local\Temp\u3b4.1.exe"C:\Users\Admin\AppData\Local\Temp\u3b4.1.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 4288 -s 16082⤵
- Program crash
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 4288 -ip 42881⤵
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 548 -p 4148 -ip 41481⤵
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
Are.docx
mozglue.dll
nss3.dll
ioloDMLog.txt
u3b4.0.exe
u3b4.1.exe
memory/124-86-0x0000026A1EB70000-0x0000026A1EB92000-memory.dmp
memory/124-78-0x0000026A1A760000-0x0000026A1AA60000-memory.dmp
memory/124-135-0x0000026A7D860000-0x0000026A7D87E000-memory.dmp
memory/124-124-0x0000026A7D970000-0x0000026A7D9E6000-memory.dmp
memory/124-102-0x0000026A1EB90000-0x0000026A1EB9C000-memory.dmp
memory/124-63-0x0000026A79BA0000-0x0000026A7D3D4000-memory.dmp
memory/124-64-0x0000026A1A3C0000-0x0000026A1A4CA000-memory.dmp
memory/124-65-0x0000026A018E0000-0x0000026A018F0000-memory.dmp
memory/124-66-0x0000026A1A230000-0x0000026A1A23C000-memory.dmp
memory/124-67-0x0000026A019F0000-0x0000026A01A04000-memory.dmp
memory/124-68-0x0000026A1A4D0000-0x0000026A1A4F4000-memory.dmp
memory/124-69-0x0000026A1A640000-0x0000026A1A64A000-memory.dmp
memory/124-70-0x0000026A1A670000-0x0000026A1A722000-memory.dmp
memory/124-71-0x0000026A1A730000-0x0000026A1A75A000-memory.dmp
memory/124-72-0x0000026A7D7F0000-0x0000026A7D840000-memory.dmp
memory/124-73-0x0000026A7D7B0000-0x0000026A7D7D2000-memory.dmp
memory/124-74-0x0000026A1A210000-0x0000026A1A21A000-memory.dmp
memory/124-87-0x0000026A1F9F0000-0x0000026A1FF18000-memory.dmp
memory/124-80-0x0000026A7D780000-0x0000026A7D788000-memory.dmp
memory/124-81-0x0000026A7D8B0000-0x0000026A7D8E8000-memory.dmp
memory/124-82-0x0000026A7D790000-0x0000026A7D79E000-memory.dmp
memory/124-83-0x0000026A7D7A0000-0x0000026A7D7A8000-memory.dmp
memory/124-84-0x0000026A1EB60000-0x0000026A1EB6A000-memory.dmp
memory/124-85-0x0000026A1F460000-0x0000026A1F4C2000-memory.dmp
memory/1704-50-0x0000000000400000-0x00000000008AD000-memory.dmp
memory/1704-62-0x0000000000400000-0x00000000008AD000-memory.dmp
memory/4148-90-0x0000000061E00000-0x0000000061EF3000-memory.dmp
memory/4148-59-0x0000000000400000-0x0000000002B02000-memory.dmp
memory/4148-131-0x0000000000400000-0x0000000002B02000-memory.dmp
memory/4148-169-0x0000000000400000-0x0000000002B02000-memory.dmp
memory/4288-1-0x0000000002D10000-0x0000000002E10000-memory.dmp
memory/4288-33-0x0000000000400000-0x000000000046F000-memory.dmp
memory/4288-27-0x0000000000400000-0x0000000002B25000-memory.dmp
memory/4288-3-0x0000000000400000-0x000000000046F000-memory.dmp
memory/4288-2-0x0000000004890000-0x00000000048FC000-memory.dmp