Analysis
- max time kernel
125s - max time network
132s - platform
windows11-21h2_x64 - resource
win11-20240426-en - resource tags
- submitted
10/05/2024, 16:02
General
- Target 116af8afc9db03bd9e2ce5c110ba610cca71f14a7b800ce60b5a23b900d94647.exe
- Size 373KB
- Sample240510-tg5vbaha97
- SHA256 116af8afc9db03bd9e2ce5c110ba610cca71f14a7b800ce60b5a23b900d94647
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\116af8afc9db03bd9e2ce5c110ba610cca71f14a7b800ce60b5a23b900d94647.exe"C:\Users\Admin\AppData\Local\Temp\116af8afc9db03bd9e2ce5c110ba610cca71f14a7b800ce60b5a23b900d94647.exe"1⤵
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\u1y8.0.exe"C:\Users\Admin\AppData\Local\Temp\u1y8.0.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 2228 -s 20963⤵
- Program crash
-
-
-
C:\Users\Admin\AppData\Local\Temp\u1y8.1.exe"C:\Users\Admin\AppData\Local\Temp\u1y8.1.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 2528 -s 9882⤵
- Program crash
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 2528 -ip 25281⤵
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 532 -p 2228 -ip 22281⤵
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
Are.docx
mozglue.dll
nss3.dll
ioloDMLog.txt
u1y8.0.exe
u1y8.1.exe
memory/720-151-0x000001F16EC70000-0x000001F16EC78000-memory.dmp
memory/720-153-0x000001F16F340000-0x000001F16F34E000-memory.dmp
memory/720-163-0x000001F16FA70000-0x000001F16FA8E000-memory.dmp
memory/720-162-0x000001F16FB10000-0x000001F16FB86000-memory.dmp
memory/720-161-0x000001F16FA30000-0x000001F16FA3C000-memory.dmp
memory/720-158-0x000001F170240000-0x000001F170768000-memory.dmp
memory/720-156-0x000001F16FCB0000-0x000001F16FD12000-memory.dmp
memory/720-157-0x000001F16FA10000-0x000001F16FA32000-memory.dmp
memory/720-155-0x000001F16FC90000-0x000001F16FC9A000-memory.dmp
memory/720-154-0x000001F16F360000-0x000001F16F368000-memory.dmp
memory/720-152-0x000001F16F370000-0x000001F16F3A8000-memory.dmp
memory/720-134-0x000001F164B90000-0x000001F1683C4000-memory.dmp
memory/720-135-0x000001F16AB80000-0x000001F16AC8A000-memory.dmp
memory/720-137-0x000001F16AAA0000-0x000001F16AAAC000-memory.dmp
memory/720-136-0x000001F16A100000-0x000001F16A110000-memory.dmp
memory/720-138-0x000001F16AA90000-0x000001F16AAA4000-memory.dmp
memory/720-139-0x000001F16AB00000-0x000001F16AB24000-memory.dmp
memory/720-140-0x000001F16AB30000-0x000001F16AB3A000-memory.dmp
memory/720-142-0x000001F16AE20000-0x000001F16AED2000-memory.dmp
memory/720-141-0x000001F16ADE0000-0x000001F16AE0A000-memory.dmp
memory/720-143-0x000001F16AF20000-0x000001F16AF70000-memory.dmp
memory/720-144-0x000001F16AF70000-0x000001F16AF92000-memory.dmp
memory/720-145-0x000001F16AB40000-0x000001F16AB4A000-memory.dmp
memory/720-149-0x000001F16AFA0000-0x000001F16B2A0000-memory.dmp
memory/1984-133-0x0000000000400000-0x00000000008AD000-memory.dmp
memory/1984-98-0x0000000000400000-0x00000000008AD000-memory.dmp
memory/2228-132-0x0000000000400000-0x0000000002576000-memory.dmp
memory/2228-97-0x0000000000400000-0x0000000002576000-memory.dmp
memory/2228-34-0x0000000061E00000-0x0000000061EF3000-memory.dmp
memory/2528-1-0x0000000002910000-0x0000000002A10000-memory.dmp
memory/2528-26-0x0000000000400000-0x0000000002599000-memory.dmp
memory/2528-2-0x00000000042B0000-0x000000000431C000-memory.dmp
memory/2528-3-0x0000000000400000-0x000000000046F000-memory.dmp
memory/2528-28-0x0000000000400000-0x000000000046F000-memory.dmp
memory/2528-27-0x00000000042B0000-0x000000000431C000-memory.dmp