Analysis
- max time kernel
127s - max time network
131s - platform
windows11-21h2_x64 - resource
win11-20240426-en - resource tags
- submitted
10/05/2024, 15:54
General
- Target 6ffa627f3f39f61c47f911e653f2d1ff10b7e21b62b7d68facd0cf95e2c6085f.exe
- Size 372KB
- Sample240510-tccyqsdf2v
- SHA256 6ffa627f3f39f61c47f911e653f2d1ff10b7e21b62b7d68facd0cf95e2c6085f
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\6ffa627f3f39f61c47f911e653f2d1ff10b7e21b62b7d68facd0cf95e2c6085f.exe"C:\Users\Admin\AppData\Local\Temp\6ffa627f3f39f61c47f911e653f2d1ff10b7e21b62b7d68facd0cf95e2c6085f.exe"1⤵
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\u148.0.exe"C:\Users\Admin\AppData\Local\Temp\u148.0.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 3624 -s 24043⤵
- Program crash
-
-
-
C:\Users\Admin\AppData\Local\Temp\u148.1.exe"C:\Users\Admin\AppData\Local\Temp\u148.1.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 1448 -s 15162⤵
- Program crash
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 1448 -ip 14481⤵
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 544 -p 3624 -ip 36241⤵
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
Are.docx
mozglue.dll
nss3.dll
u148.0.exe
u148.1.exe
memory/1448-63-0x0000000000400000-0x0000000002599000-memory.dmp
memory/1448-2-0x00000000042C0000-0x000000000432C000-memory.dmp
memory/1448-3-0x0000000000400000-0x000000000046F000-memory.dmp
memory/1448-1-0x00000000027A0000-0x00000000028A0000-memory.dmp
memory/1448-64-0x00000000042C0000-0x000000000432C000-memory.dmp
memory/1448-65-0x0000000000400000-0x000000000046F000-memory.dmp
memory/2236-119-0x0000000000400000-0x00000000008AD000-memory.dmp
memory/2236-130-0x0000000000400000-0x00000000008AD000-memory.dmp
memory/3624-30-0x0000000061E00000-0x0000000061EF3000-memory.dmp
memory/3624-15-0x0000000000400000-0x0000000002576000-memory.dmp
memory/3624-117-0x0000000000400000-0x0000000002576000-memory.dmp
memory/3624-14-0x0000000000400000-0x0000000002576000-memory.dmp
memory/3624-178-0x0000000000400000-0x0000000002576000-memory.dmp
memory/3624-13-0x0000000000400000-0x0000000002576000-memory.dmp
memory/3624-171-0x0000000000400000-0x0000000002576000-memory.dmp
memory/3696-136-0x000001CC6A2A0000-0x000001CC6A2C4000-memory.dmp
memory/3696-149-0x000001CC6EBE0000-0x000001CC6EC18000-memory.dmp
memory/3696-133-0x000001CC519B0000-0x000001CC519C0000-memory.dmp
memory/3696-137-0x000001CC6A680000-0x000001CC6A68A000-memory.dmp
memory/3696-138-0x000001CC6A6A0000-0x000001CC6A6CA000-memory.dmp
memory/3696-140-0x000001CC6A7E0000-0x000001CC6A830000-memory.dmp
memory/3696-139-0x000001CC6A6E0000-0x000001CC6A792000-memory.dmp
memory/3696-141-0x000001CC6A830000-0x000001CC6A852000-memory.dmp
memory/3696-142-0x000001CC6A260000-0x000001CC6A26A000-memory.dmp
memory/3696-146-0x000001CC6A860000-0x000001CC6AB60000-memory.dmp
memory/3696-148-0x000001CC6F2A0000-0x000001CC6F2A8000-memory.dmp
memory/3696-135-0x000001CC51A40000-0x000001CC51A54000-memory.dmp
memory/3696-150-0x000001CC6EBB0000-0x000001CC6EBBE000-memory.dmp
memory/3696-151-0x000001CC6EBD0000-0x000001CC6EBD8000-memory.dmp
memory/3696-154-0x000001CC6F5D0000-0x000001CC6F5F2000-memory.dmp
memory/3696-153-0x000001CC6F570000-0x000001CC6F5D2000-memory.dmp
memory/3696-152-0x000001CC6F550000-0x000001CC6F55A000-memory.dmp
memory/3696-155-0x000001CC6FB20000-0x000001CC70048000-memory.dmp
memory/3696-158-0x000001CC6F2D0000-0x000001CC6F2DC000-memory.dmp
memory/3696-159-0x000001CC6F3B0000-0x000001CC6F426000-memory.dmp
memory/3696-161-0x000001CC6F310000-0x000001CC6F32E000-memory.dmp
memory/3696-134-0x000001CC6A280000-0x000001CC6A28C000-memory.dmp
memory/3696-132-0x000001CC6A3D0000-0x000001CC6A4DA000-memory.dmp
memory/3696-131-0x000001CC4C450000-0x000001CC4FC84000-memory.dmp