Analysis
- max time kernel
146s - max time network
150s - platform
windows11-21h2_x64 - resource
win11-20240508-en - resource tags
- submitted
10/05/2024, 19:36
General
- Target 061d76628488ff0f3b044a24d57a788eecd030447185ac6435228edb12f103d0.exe
- Size 373KB
- Sample240510-ybfepadg4w
- SHA256 061d76628488ff0f3b044a24d57a788eecd030447185ac6435228edb12f103d0
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
-
C:\Users\Admin\AppData\Local\Temp\061d76628488ff0f3b044a24d57a788eecd030447185ac6435228edb12f103d0.exe"C:\Users\Admin\AppData\Local\Temp\061d76628488ff0f3b044a24d57a788eecd030447185ac6435228edb12f103d0.exe"1⤵
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\u1ko.0.exe"C:\Users\Admin\AppData\Local\Temp\u1ko.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 2404 -s 20323⤵
- Program crash
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-
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C:\Users\Admin\AppData\Local\Temp\u1ko.1.exe"C:\Users\Admin\AppData\Local\Temp\u1ko.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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-
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2040 -s 15162⤵
- Program crash
-
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 2040 -ip 20401⤵
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 548 -p 2404 -ip 24041⤵
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
Are.docx
mozglue.dll
nss3.dll
u1ko.0.exe
u1ko.1.exe
memory/2040-28-0x0000000000400000-0x000000000046F000-memory.dmp
memory/2040-27-0x00000000042B0000-0x000000000431C000-memory.dmp
memory/2040-26-0x0000000000400000-0x0000000002599000-memory.dmp
memory/2040-3-0x0000000000400000-0x000000000046F000-memory.dmp
memory/2040-2-0x00000000042B0000-0x000000000431C000-memory.dmp
memory/2040-1-0x00000000026C0000-0x00000000027C0000-memory.dmp
memory/2404-35-0x0000000061E00000-0x0000000061EF3000-memory.dmp
memory/2404-114-0x0000000000400000-0x0000000002576000-memory.dmp
memory/2404-158-0x0000000000400000-0x0000000002576000-memory.dmp
memory/4728-142-0x0000025C567E0000-0x0000025C568EA000-memory.dmp
memory/4728-156-0x0000025C56B40000-0x0000025C56E40000-memory.dmp
memory/4728-144-0x0000025C3DD80000-0x0000025C3DD8C000-memory.dmp
memory/4728-143-0x0000025C3C400000-0x0000025C3C410000-memory.dmp
memory/4728-145-0x0000025C3DD70000-0x0000025C3DD84000-memory.dmp
memory/4728-146-0x0000025C565D0000-0x0000025C565F4000-memory.dmp
memory/4728-171-0x0000025C5B610000-0x0000025C5B62E000-memory.dmp
memory/4728-147-0x0000025C56710000-0x0000025C5671A000-memory.dmp
memory/4728-148-0x0000025C56A40000-0x0000025C56AF2000-memory.dmp
memory/4728-149-0x0000025C56750000-0x0000025C5677A000-memory.dmp
memory/4728-150-0x0000025C56AF0000-0x0000025C56B40000-memory.dmp
memory/4728-151-0x0000025C56780000-0x0000025C567A2000-memory.dmp
memory/4728-152-0x0000025C3DD40000-0x0000025C3DD4A000-memory.dmp
memory/4728-141-0x0000025C38750000-0x0000025C3BF84000-memory.dmp
memory/4728-170-0x0000025C5B6B0000-0x0000025C5B726000-memory.dmp
memory/4728-159-0x0000025C5B5A0000-0x0000025C5B5A8000-memory.dmp
memory/4728-161-0x0000025C5AEB0000-0x0000025C5AEBE000-memory.dmp
memory/4728-160-0x0000025C5AEE0000-0x0000025C5AF18000-memory.dmp
memory/4728-162-0x0000025C5AED0000-0x0000025C5AED8000-memory.dmp
memory/4728-163-0x0000025C5B850000-0x0000025C5B85A000-memory.dmp
memory/4728-165-0x0000025C5B8D0000-0x0000025C5B8F2000-memory.dmp
memory/4728-164-0x0000025C5B870000-0x0000025C5B8D2000-memory.dmp
memory/4728-166-0x0000025C5BE20000-0x0000025C5C348000-memory.dmp
memory/4728-169-0x0000025C5B5D0000-0x0000025C5B5DC000-memory.dmp
memory/4876-130-0x0000000000400000-0x00000000008AD000-memory.dmp
memory/4876-135-0x0000000000400000-0x00000000008AD000-memory.dmp