Analysis
- max time kernel
147s - max time network
151s - platform
windows11-21h2_x64 - resource
win11-20240426-en - resource tags
- submitted
10/05/2024, 23:24
General
- Target 929b4c620fbb3eefd458c2869b2830ac648151a6abf5d33c2666cafb35fa5d1e.exe
- Size 388KB
- Sample240510-3ds6saae78
- SHA256 929b4c620fbb3eefd458c2869b2830ac648151a6abf5d33c2666cafb35fa5d1e
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 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
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C:\Users\Admin\AppData\Local\Temp\929b4c620fbb3eefd458c2869b2830ac648151a6abf5d33c2666cafb35fa5d1e.exe"C:\Users\Admin\AppData\Local\Temp\929b4c620fbb3eefd458c2869b2830ac648151a6abf5d33c2666cafb35fa5d1e.exe"1⤵
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\u2kc.0.exe"C:\Users\Admin\AppData\Local\Temp\u2kc.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 2300 -s 20523⤵
- Program crash
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-
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C:\Users\Admin\AppData\Local\Temp\u2kc.1.exe"C:\Users\Admin\AppData\Local\Temp\u2kc.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 3324 -s 11642⤵
- Program crash
-
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 364 -p 3324 -ip 33241⤵
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 2300 -ip 23001⤵
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
Are.docx
mozglue.dll
nss3.dll
ioloDMLog.txt
u2kc.0.exe
u2kc.1.exe
memory/1972-127-0x0000000000400000-0x00000000008AD000-memory.dmp
memory/1972-115-0x0000000000400000-0x00000000008AD000-memory.dmp
memory/2300-34-0x0000000061E00000-0x0000000061EF3000-memory.dmp
memory/2300-114-0x0000000000400000-0x0000000002579000-memory.dmp
memory/2300-173-0x0000000000400000-0x0000000002579000-memory.dmp
memory/2300-167-0x0000000000400000-0x0000000002579000-memory.dmp
memory/3324-1-0x00000000026F0000-0x00000000027F0000-memory.dmp
memory/3324-26-0x0000000000400000-0x000000000259D000-memory.dmp
memory/3324-27-0x0000000000400000-0x000000000046F000-memory.dmp
memory/3324-28-0x00000000042B0000-0x000000000431C000-memory.dmp
memory/3324-3-0x0000000000400000-0x000000000046F000-memory.dmp
memory/3324-2-0x00000000042B0000-0x000000000431C000-memory.dmp
memory/4668-133-0x000001F4366D0000-0x000001F4366F4000-memory.dmp
memory/4668-146-0x000001F43AFE0000-0x000001F43B018000-memory.dmp
memory/4668-132-0x000001F41DD80000-0x000001F41DD94000-memory.dmp
memory/4668-136-0x000001F436B70000-0x000001F436C22000-memory.dmp
memory/4668-135-0x000001F436830000-0x000001F43685A000-memory.dmp
memory/4668-137-0x000001F436C20000-0x000001F436C70000-memory.dmp
memory/4668-134-0x000001F436810000-0x000001F43681A000-memory.dmp
memory/4668-138-0x000001F436890000-0x000001F4368B2000-memory.dmp
memory/4668-139-0x000001F41DD50000-0x000001F41DD5A000-memory.dmp
memory/4668-143-0x000001F436C70000-0x000001F436F70000-memory.dmp
memory/4668-145-0x000001F43B060000-0x000001F43B068000-memory.dmp
memory/4668-130-0x000001F41DD70000-0x000001F41DD80000-memory.dmp
memory/4668-147-0x000001F43AFB0000-0x000001F43AFBE000-memory.dmp
memory/4668-148-0x000001F43AFD0000-0x000001F43AFD8000-memory.dmp
memory/4668-150-0x000001F43B970000-0x000001F43B9D2000-memory.dmp
memory/4668-151-0x000001F43B9D0000-0x000001F43B9F2000-memory.dmp
memory/4668-149-0x000001F43B050000-0x000001F43B05A000-memory.dmp
memory/4668-152-0x000001F43BF20000-0x000001F43C448000-memory.dmp
memory/4668-155-0x000001F43B6E0000-0x000001F43B6EC000-memory.dmp
memory/4668-156-0x000001F43BAC0000-0x000001F43BB36000-memory.dmp
memory/4668-157-0x000001F43BA20000-0x000001F43BA3E000-memory.dmp
memory/4668-131-0x000001F41DDA0000-0x000001F41DDAC000-memory.dmp
memory/4668-129-0x000001F436910000-0x000001F436A1A000-memory.dmp
memory/4668-128-0x000001F418850000-0x000001F41C084000-memory.dmp