Analysis
- max time kernel
124s - max time network
126s - platform
windows11-21h2_x64 - resource
win11-20240426-en - resource tags
- submitted
07/05/2024, 01:50
General
- Target a4896480adaeb05564bbde92150c23eeb25c0bfee294795ebfea586014d7450e.exe
- Size 372KB
- Sample240507-b9a7asda71
- SHA256 a4896480adaeb05564bbde92150c23eeb25c0bfee294795ebfea586014d7450e
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\a4896480adaeb05564bbde92150c23eeb25c0bfee294795ebfea586014d7450e.exe"C:\Users\Admin\AppData\Local\Temp\a4896480adaeb05564bbde92150c23eeb25c0bfee294795ebfea586014d7450e.exe"1⤵
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\u1t0.0.exe"C:\Users\Admin\AppData\Local\Temp\u1t0.0.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 2868 -s 20803⤵
- Program crash
-
-
-
C:\Users\Admin\AppData\Local\Temp\u1t0.1.exe"C:\Users\Admin\AppData\Local\Temp\u1t0.1.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 2340 -s 9802⤵
- Program crash
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 2340 -ip 23401⤵
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 2868 -ip 28681⤵
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
Are.docx
mozglue.dll
nss3.dll
u1t0.0.exe
u1t0.1.exe
memory/2340-65-0x0000000000400000-0x000000000046F000-memory.dmp
memory/2340-1-0x0000000001BB0000-0x0000000001CB0000-memory.dmp
memory/2340-3-0x0000000000400000-0x000000000046F000-memory.dmp
memory/2340-64-0x0000000003760000-0x00000000037CC000-memory.dmp
memory/2340-63-0x0000000000400000-0x0000000001A27000-memory.dmp
memory/2340-2-0x0000000003760000-0x00000000037CC000-memory.dmp
memory/2692-125-0x0000000000400000-0x00000000008AD000-memory.dmp
memory/2692-136-0x0000000000400000-0x00000000008AD000-memory.dmp
memory/2868-13-0x0000000000400000-0x0000000001A04000-memory.dmp
memory/2868-26-0x0000000061E00000-0x0000000061EF3000-memory.dmp
memory/2868-108-0x0000000000400000-0x0000000001A04000-memory.dmp
memory/2868-15-0x0000000000400000-0x0000000001A04000-memory.dmp
memory/2868-14-0x0000000000400000-0x0000000001A04000-memory.dmp
memory/2988-140-0x00000241DA1F0000-0x00000241DA1FC000-memory.dmp
memory/2988-148-0x00000241C18E0000-0x00000241C18EA000-memory.dmp
memory/2988-137-0x00000241BC3D0000-0x00000241BFC04000-memory.dmp
memory/2988-139-0x00000241C1900000-0x00000241C1910000-memory.dmp
memory/2988-141-0x00000241DA1E0000-0x00000241DA1F4000-memory.dmp
memory/2988-142-0x00000241DA260000-0x00000241DA284000-memory.dmp
memory/2988-143-0x00000241DA290000-0x00000241DA29A000-memory.dmp
memory/2988-145-0x00000241DA680000-0x00000241DA732000-memory.dmp
memory/2988-146-0x00000241DA780000-0x00000241DA7D0000-memory.dmp
memory/2988-144-0x00000241DA2C0000-0x00000241DA2EA000-memory.dmp
memory/2988-147-0x00000241DA7D0000-0x00000241DA7F2000-memory.dmp
memory/2988-138-0x00000241DA420000-0x00000241DA52A000-memory.dmp
memory/2988-152-0x00000241DA800000-0x00000241DAB00000-memory.dmp
memory/2988-154-0x00000241DF220000-0x00000241DF228000-memory.dmp
memory/2988-156-0x00000241DEB30000-0x00000241DEB3E000-memory.dmp
memory/2988-155-0x00000241DEB60000-0x00000241DEB98000-memory.dmp
memory/2988-157-0x00000241DEB50000-0x00000241DEB58000-memory.dmp
memory/2988-160-0x00000241DF560000-0x00000241DF582000-memory.dmp
memory/2988-159-0x00000241DF500000-0x00000241DF562000-memory.dmp
memory/2988-158-0x00000241DEBD0000-0x00000241DEBDA000-memory.dmp
memory/2988-161-0x00000241DFAB0000-0x00000241DFFD8000-memory.dmp
memory/2988-164-0x00000241DF240000-0x00000241DF24C000-memory.dmp
memory/2988-165-0x00000241DF640000-0x00000241DF6B6000-memory.dmp
memory/2988-166-0x00000241DF5A0000-0x00000241DF5BE000-memory.dmp