Analysis
- max time kernel
132s - max time network
133s - platform
windows11-21h2_x64 - resource
win11-20240221-en - resource tags
- submitted
03/04/2024, 12:34
General
- Target 2de6b8b10f8e9eeae7e1918b8ce2e6a04ef3b5ca0956cae9acfad2d883a1a333.exe
- Size 430KB
- Sample240403-pr1wwsdb5y
- SHA256 2de6b8b10f8e9eeae7e1918b8ce2e6a04ef3b5ca0956cae9acfad2d883a1a333
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
- 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 23 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\2de6b8b10f8e9eeae7e1918b8ce2e6a04ef3b5ca0956cae9acfad2d883a1a333.exe"C:\Users\Admin\AppData\Local\Temp\2de6b8b10f8e9eeae7e1918b8ce2e6a04ef3b5ca0956cae9acfad2d883a1a333.exe"1⤵
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\u3tg.0.exe"C:\Users\Admin\AppData\Local\Temp\u3tg.0.exe"2⤵
- 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\KEBKJDBAAK.exe"3⤵
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\KEBKJDBAAK.exe"C:\Users\Admin\AppData\Local\Temp\KEBKJDBAAK.exe"4⤵
- 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\KEBKJDBAAK.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 4404 -s 24523⤵
- Program crash
-
-
-
C:\Users\Admin\AppData\Local\Temp\u3tg.1.exe"C:\Users\Admin\AppData\Local\Temp\u3tg.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 4948 -s 10402⤵
- Program crash
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 4948 -ip 49481⤵
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 548 -p 4404 -ip 44041⤵
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
Are.docx
mozglue.dll
nss3.dll
KEBKJDBAAK.exe
ioloDMLog.txt
u3tg.0.exe
u3tg.1.exe
memory/1012-183-0x000002A3E38F0000-0x000002A3E38F8000-memory.dmp
memory/1012-186-0x000002A3E3840000-0x000002A3E384E000-memory.dmp
memory/1012-203-0x000002A3DEEB0000-0x000002A3DEEC0000-memory.dmp
memory/1012-202-0x000002A3DEEB0000-0x000002A3DEEC0000-memory.dmp
memory/1012-201-0x000002A3DEEB0000-0x000002A3DEEC0000-memory.dmp
memory/1012-200-0x000002A3DEEB0000-0x000002A3DEEC0000-memory.dmp
memory/1012-199-0x000002A3DEEB0000-0x000002A3DEEC0000-memory.dmp
memory/1012-198-0x00007FFC9A640000-0x00007FFC9B102000-memory.dmp
memory/1012-196-0x000002A3E4020000-0x000002A3E403E000-memory.dmp
memory/1012-195-0x000002A3E3FF0000-0x000002A3E4012000-memory.dmp
memory/1012-193-0x000002A3DEEB0000-0x000002A3DEEC0000-memory.dmp
memory/1012-194-0x000002A3E3F50000-0x000002A3E3F5C000-memory.dmp
memory/1012-192-0x000002A3E3FA0000-0x000002A3E3FF0000-memory.dmp
memory/1012-189-0x000002A3E4730000-0x000002A3E4C58000-memory.dmp
memory/1012-188-0x000002A3E41E0000-0x000002A3E4202000-memory.dmp
memory/1012-187-0x000002A3E41D0000-0x000002A3E41DA000-memory.dmp
memory/1012-185-0x000002A3E3870000-0x000002A3E38A8000-memory.dmp
memory/1012-184-0x000002A3DEEB0000-0x000002A3DEEC0000-memory.dmp
memory/1012-182-0x000002A3DEEB0000-0x000002A3DEEC0000-memory.dmp
memory/1012-161-0x00007FFC9A640000-0x00007FFC9B102000-memory.dmp
memory/1012-162-0x000002A3C0F40000-0x000002A3C4838000-memory.dmp
memory/1012-163-0x000002A3DEEB0000-0x000002A3DEEC0000-memory.dmp
memory/1012-164-0x000002A3DEFE0000-0x000002A3DF0F0000-memory.dmp
memory/1012-165-0x000002A3C6450000-0x000002A3C6460000-memory.dmp
memory/1012-166-0x000002A3DECF0000-0x000002A3DECFC000-memory.dmp
memory/1012-167-0x000002A3DECE0000-0x000002A3DECF4000-memory.dmp
memory/1012-168-0x000002A3DED50000-0x000002A3DED74000-memory.dmp
memory/1012-169-0x000002A3DED80000-0x000002A3DED8A000-memory.dmp
memory/1012-170-0x000002A3DF2E0000-0x000002A3DF392000-memory.dmp
memory/1012-171-0x000002A3DF0F0000-0x000002A3DF11A000-memory.dmp
memory/1012-172-0x000002A3DF390000-0x000002A3DF40A000-memory.dmp
memory/1012-173-0x000002A3DF120000-0x000002A3DF182000-memory.dmp
memory/1012-174-0x000002A3DF490000-0x000002A3DF506000-memory.dmp
memory/1012-175-0x000002A3C65F0000-0x000002A3C65FA000-memory.dmp
memory/1012-179-0x000002A3DF510000-0x000002A3DF810000-memory.dmp
memory/1012-181-0x000002A3DEEB0000-0x000002A3DEEC0000-memory.dmp
memory/3780-144-0x0000000071C80000-0x0000000072431000-memory.dmp
memory/3780-157-0x0000000071C80000-0x0000000072431000-memory.dmp
memory/3780-143-0x0000000000DD0000-0x0000000000DF0000-memory.dmp
memory/3780-155-0x0000000005710000-0x0000000005720000-memory.dmp
memory/4212-26-0x0000000002870000-0x0000000002871000-memory.dmp
memory/4212-134-0x0000000000400000-0x00000000008AD000-memory.dmp
memory/4212-160-0x0000000000400000-0x00000000008AD000-memory.dmp
memory/4404-152-0x0000000000400000-0x0000000000866000-memory.dmp
memory/4404-153-0x0000000000A90000-0x0000000000B90000-memory.dmp
memory/4404-13-0x0000000000A90000-0x0000000000B90000-memory.dmp
memory/4404-128-0x0000000000400000-0x0000000000866000-memory.dmp
memory/4404-14-0x00000000009D0000-0x00000000009F7000-memory.dmp
memory/4404-15-0x0000000000400000-0x0000000000866000-memory.dmp
memory/4404-38-0x0000000061E00000-0x0000000061EF3000-memory.dmp
memory/4948-2-0x00000000026E0000-0x000000000274C000-memory.dmp
memory/4948-1-0x00000000009A0000-0x0000000000AA0000-memory.dmp
memory/4948-3-0x0000000000400000-0x0000000000889000-memory.dmp
memory/4948-37-0x00000000026E0000-0x000000000274C000-memory.dmp
memory/4948-27-0x0000000000400000-0x0000000000889000-memory.dmp