Analysis
- max time kernel
129s - max time network
134s - platform
windows11-21h2_x64 - resource
win11-20240426-en - resource tags
- submitted
09/05/2024, 23:47
General
- Target 2d1a299604130224ca5abb410a6948e7035cd5c799956d9c2b15bf1ecc4b2f2d.exe
- Size 384KB
- Sample240509-3tchzahd55
- SHA256 2d1a299604130224ca5abb410a6948e7035cd5c799956d9c2b15bf1ecc4b2f2d
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 21 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\2d1a299604130224ca5abb410a6948e7035cd5c799956d9c2b15bf1ecc4b2f2d.exe"C:\Users\Admin\AppData\Local\Temp\2d1a299604130224ca5abb410a6948e7035cd5c799956d9c2b15bf1ecc4b2f2d.exe"1⤵
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\u3ws.0.exe"C:\Users\Admin\AppData\Local\Temp\u3ws.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 2624 -s 22843⤵
- Program crash
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-
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C:\Users\Admin\AppData\Local\Temp\u3ws.1.exe"C:\Users\Admin\AppData\Local\Temp\u3ws.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 5068 -s 11762⤵
- Program crash
-
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 5068 -ip 50681⤵
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 496 -p 2624 -ip 26241⤵
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
Are.docx
mozglue.dll
nss3.dll
ioloDMLog.txt
u3ws.0.exe
u3ws.1.exe
memory/948-53-0x0000000000400000-0x00000000008AD000-memory.dmp
memory/948-101-0x0000000000400000-0x00000000008AD000-memory.dmp
memory/2624-171-0x0000000000400000-0x0000000002AF1000-memory.dmp
memory/2624-162-0x0000000000400000-0x0000000002AF1000-memory.dmp
memory/2624-55-0x0000000000400000-0x0000000002AF1000-memory.dmp
memory/2624-65-0x0000000061E00000-0x0000000061EF3000-memory.dmp
memory/2624-177-0x0000000000400000-0x0000000002AF1000-memory.dmp
memory/3324-117-0x000002869EE60000-0x000002869EEB0000-memory.dmp
memory/3324-147-0x00000286A31F0000-0x00000286A31FE000-memory.dmp
memory/3324-112-0x0000028684770000-0x0000028684784000-memory.dmp
memory/3324-110-0x0000028684720000-0x0000028684730000-memory.dmp
memory/3324-113-0x0000028686030000-0x0000028686054000-memory.dmp
memory/3324-114-0x0000028686060000-0x000002868606A000-memory.dmp
memory/3324-115-0x000002869EAB0000-0x000002869EADA000-memory.dmp
memory/3324-160-0x00000286A3970000-0x00000286A398E000-memory.dmp
memory/3324-118-0x000002869EE10000-0x000002869EE32000-memory.dmp
memory/3324-116-0x000002869EAE0000-0x000002869EB92000-memory.dmp
memory/3324-122-0x0000028685FA0000-0x0000028685FAA000-memory.dmp
memory/3324-126-0x000002869EEB0000-0x000002869F1B0000-memory.dmp
memory/3324-109-0x000002869EBB0000-0x000002869ECBA000-memory.dmp
memory/3324-108-0x0000028680A90000-0x00000286842C4000-memory.dmp
memory/3324-146-0x00000286A3220000-0x00000286A3258000-memory.dmp
memory/3324-111-0x0000028685FC0000-0x0000028685FCC000-memory.dmp
memory/3324-148-0x00000286A3210000-0x00000286A3218000-memory.dmp
memory/3324-145-0x00000286A32A0000-0x00000286A32A8000-memory.dmp
memory/3324-152-0x00000286A3B90000-0x00000286A3B9A000-memory.dmp
memory/3324-154-0x00000286A3910000-0x00000286A3932000-memory.dmp
memory/3324-153-0x00000286A3BB0000-0x00000286A3C12000-memory.dmp
memory/3324-155-0x00000286A4140000-0x00000286A4668000-memory.dmp
memory/3324-158-0x00000286A3930000-0x00000286A393C000-memory.dmp
memory/3324-159-0x00000286A3A10000-0x00000286A3A86000-memory.dmp
memory/5068-1-0x0000000002CF0000-0x0000000002DF0000-memory.dmp
memory/5068-30-0x0000000000400000-0x0000000002B1E000-memory.dmp
memory/5068-32-0x0000000000400000-0x000000000046F000-memory.dmp
memory/5068-2-0x0000000004890000-0x00000000048FC000-memory.dmp
memory/5068-3-0x0000000000400000-0x000000000046F000-memory.dmp