Analysis
- max time kernel
128s - max time network
130s - platform
windows10-2004_x64 - resource
win10v2004-20240226-en - resource tags
- submitted
04/04/2024, 09:28
General
- Target 638938068f39ec914b56f724b09483eb1e54fa84a7a510c42bb1a049d9709e2f.exe
- Size 359KB
- Sample240404-lfktraca26
- SHA256 638938068f39ec914b56f724b09483eb1e54fa84a7a510c42bb1a049d9709e2f
Malware Config
Extracted
-
stealc
-
http://185.172.128.209
-
url_path
/3cd2b41cbde8fc9c.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
- Checks computer location settings 2 TTPs 4 IoCs
Looks up country code configured in the registry, likely geofence.
- Executes dropped EXE 3 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.
- Runs ping.exe 1 TTPs 1 IoCs
- Suspicious behavior: EnumeratesProcesses 30 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of FindShellTrayWindow 7 IoCs
- Suspicious use of SendNotifyMessage 7 IoCs
- Suspicious use of WriteProcessMemory 20 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\638938068f39ec914b56f724b09483eb1e54fa84a7a510c42bb1a049d9709e2f.exe"C:\Users\Admin\AppData\Local\Temp\638938068f39ec914b56f724b09483eb1e54fa84a7a510c42bb1a049d9709e2f.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\u140.0.exe"C:\Users\Admin\AppData\Local\Temp\u140.0.exe"2⤵
- Checks computer location settings
- Executes dropped EXE
- Loads dropped DLL
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\cmd.exe"C:\Windows\system32\cmd.exe" /c start "" "C:\Users\Admin\AppData\Local\Temp\DBFHDBGIEB.exe"3⤵
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\DBFHDBGIEB.exe"C:\Users\Admin\AppData\Local\Temp\DBFHDBGIEB.exe"4⤵
- Checks computer location settings
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /C ping 2.2.2.2 -n 1 -w 3000 > Nul & Del C:\Users\Admin\AppData\Local\Temp\DBFHDBGIEB.exe5⤵
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\PING.EXEping 2.2.2.2 -n 1 -w 30006⤵
- Runs ping.exe
-
-
-
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1040 -s 24443⤵
- Program crash
-
-
-
C:\Users\Admin\AppData\Local\Temp\u140.1.exe"C:\Users\Admin\AppData\Local\Temp\u140.1.exe"2⤵
- Checks computer location settings
- 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 1440 -s 9882⤵
- Program crash
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1440 -ip 14401⤵
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 564 -p 1040 -ip 10401⤵
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
Are.docx
mozglue.dll
nss3.dll
DBFHDBGIEB.exe
u140.0.exe
u140.1.exe
memory/1040-36-0x0000000061E00000-0x0000000061EF3000-memory.dmp
memory/1040-123-0x0000000000400000-0x0000000002B60000-memory.dmp
memory/1040-158-0x0000000002DC0000-0x0000000002EC0000-memory.dmp
memory/1040-15-0x0000000000400000-0x0000000002B60000-memory.dmp
memory/1040-14-0x0000000004660000-0x0000000004687000-memory.dmp
memory/1040-202-0x0000000000400000-0x0000000002B60000-memory.dmp
memory/1040-13-0x0000000002DC0000-0x0000000002EC0000-memory.dmp
memory/1440-1-0x0000000002D80000-0x0000000002E80000-memory.dmp
memory/1440-42-0x0000000004820000-0x000000000488C000-memory.dmp
memory/1440-35-0x0000000000400000-0x0000000002B83000-memory.dmp
memory/1440-3-0x0000000000400000-0x0000000002B83000-memory.dmp
memory/1440-2-0x0000000004820000-0x000000000488C000-memory.dmp
memory/1472-209-0x0000000072730000-0x0000000072EE0000-memory.dmp
memory/1472-205-0x0000000002340000-0x0000000002350000-memory.dmp
memory/1472-204-0x0000000072730000-0x0000000072EE0000-memory.dmp
memory/1472-203-0x00000000000C0000-0x00000000000E0000-memory.dmp
memory/2100-26-0x00000000028E0000-0x00000000028E1000-memory.dmp
memory/2100-124-0x0000000000400000-0x00000000008AD000-memory.dmp
memory/2100-136-0x0000000000400000-0x00000000008AD000-memory.dmp
memory/4580-149-0x000001DA1B880000-0x000001DA1B8FA000-memory.dmp
memory/4580-167-0x000001DA21100000-0x000001DA21628000-memory.dmp
memory/4580-147-0x000001DA1B300000-0x000001DA1B32A000-memory.dmp
memory/4580-146-0x000001DA1B2E0000-0x000001DA1B2EA000-memory.dmp
memory/4580-150-0x000001DA1B900000-0x000001DA1B962000-memory.dmp
memory/4580-151-0x000001DA7FF70000-0x000001DA7FFE6000-memory.dmp
memory/4580-152-0x000001DA1B2F0000-0x000001DA1B2FA000-memory.dmp
memory/4580-156-0x000001DA1B960000-0x000001DA1BC60000-memory.dmp
memory/4580-145-0x000001DA01C60000-0x000001DA01C84000-memory.dmp
memory/4580-159-0x000001DA7FDF0000-0x000001DA7FDF8000-memory.dmp
memory/4580-160-0x000001DA7FFF0000-0x000001DA80028000-memory.dmp
memory/4580-162-0x000001DA7FE00000-0x000001DA7FE0E000-memory.dmp
memory/4580-161-0x000001DA1B330000-0x000001DA1B340000-memory.dmp
memory/4580-164-0x000001DA1B330000-0x000001DA1B340000-memory.dmp
memory/4580-163-0x000001DA1B330000-0x000001DA1B340000-memory.dmp
memory/4580-165-0x000001DA1FD60000-0x000001DA1FD6A000-memory.dmp
memory/4580-166-0x000001DA1FD90000-0x000001DA1FDB2000-memory.dmp
memory/4580-148-0x000001DA1B340000-0x000001DA1B3F2000-memory.dmp
memory/4580-170-0x000001DA80030000-0x000001DA80080000-memory.dmp
memory/4580-171-0x000001DA1FD70000-0x000001DA1FD7C000-memory.dmp
memory/4580-176-0x000001DA7FE40000-0x000001DA7FE62000-memory.dmp
memory/4580-177-0x000001DA80080000-0x000001DA8009E000-memory.dmp
memory/4580-144-0x000001DA01C40000-0x000001DA01C54000-memory.dmp
memory/4580-143-0x000001DA01C50000-0x000001DA01C5C000-memory.dmp
memory/4580-142-0x000001DA01C30000-0x000001DA01C40000-memory.dmp
memory/4580-141-0x000001DA1B630000-0x000001DA1B740000-memory.dmp
memory/4580-140-0x000001DA1B330000-0x000001DA1B340000-memory.dmp
memory/4580-138-0x000001DA7C480000-0x000001DA7FD78000-memory.dmp
memory/4580-137-0x00007FFD53D10000-0x00007FFD547D1000-memory.dmp
memory/4580-210-0x00007FFD53D10000-0x00007FFD547D1000-memory.dmp
memory/4580-211-0x000001DA1B330000-0x000001DA1B340000-memory.dmp
memory/4580-212-0x000001DA1B330000-0x000001DA1B340000-memory.dmp
memory/4580-213-0x000001DA1B330000-0x000001DA1B340000-memory.dmp
memory/4580-214-0x000001DA1B330000-0x000001DA1B340000-memory.dmp