Analysis
- max time kernel
128s - max time network
130s - platform
windows11-21h2_x64 - resource
win11-20240221-en - resource tags
- submitted
03/04/2024, 12:30
General
- Target b54eac824baa26b8c0bf40e9dd0ebf0f92e546a9845b7cc462c5f9ba3ddcea08.exe
- Size 430KB
- Sample240403-ppv8madb2w
- SHA256 b54eac824baa26b8c0bf40e9dd0ebf0f92e546a9845b7cc462c5f9ba3ddcea08
Malware Config
Extracted
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stealc
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http://185.172.128.209
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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
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C:\Users\Admin\AppData\Local\Temp\b54eac824baa26b8c0bf40e9dd0ebf0f92e546a9845b7cc462c5f9ba3ddcea08.exe"C:\Users\Admin\AppData\Local\Temp\b54eac824baa26b8c0bf40e9dd0ebf0f92e546a9845b7cc462c5f9ba3ddcea08.exe"1⤵
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\u1rk.0.exe"C:\Users\Admin\AppData\Local\Temp\u1rk.0.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\system32\cmd.exe" /c start "" "C:\Users\Admin\AppData\Local\Temp\CGHCGIIDGD.exe"3⤵
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\CGHCGIIDGD.exe"C:\Users\Admin\AppData\Local\Temp\CGHCGIIDGD.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
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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\CGHCGIIDGD.exe5⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\PING.EXEping 2.2.2.2 -n 1 -w 30006⤵
- Runs ping.exe
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3316 -s 25763⤵
- Program crash
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C:\Users\Admin\AppData\Local\Temp\u1rk.1.exe"C:\Users\Admin\AppData\Local\Temp\u1rk.1.exe"2⤵
- Executes dropped EXE
- Checks SCSI registry key(s)
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
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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
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2288 -s 15282⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 2288 -ip 22881⤵
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 484 -p 3316 -ip 33161⤵
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
Are.docx
mozglue.dll
nss3.dll
CGHCGIIDGD.exe
u1rk.0.exe
u1rk.1.exe
memory/1528-29-0x0000000002880000-0x0000000002881000-memory.dmp
memory/1528-134-0x0000000000400000-0x00000000008AD000-memory.dmp
memory/1528-153-0x0000000000400000-0x00000000008AD000-memory.dmp
memory/1728-135-0x0000000000990000-0x00000000009B0000-memory.dmp
memory/1728-136-0x0000000071330000-0x0000000071AE1000-memory.dmp
memory/1728-138-0x00000000053C0000-0x00000000053D0000-memory.dmp
memory/1728-141-0x0000000071330000-0x0000000071AE1000-memory.dmp
memory/2288-64-0x0000000000400000-0x0000000000889000-memory.dmp
memory/2288-1-0x0000000000960000-0x0000000000A60000-memory.dmp
memory/2288-3-0x0000000000400000-0x0000000000889000-memory.dmp
memory/2288-2-0x00000000026E0000-0x000000000274C000-memory.dmp
memory/3316-127-0x0000000000400000-0x0000000000866000-memory.dmp
memory/3316-26-0x0000000061E00000-0x0000000061EF3000-memory.dmp
memory/3316-15-0x0000000000400000-0x0000000000866000-memory.dmp
memory/3316-14-0x0000000002570000-0x0000000002597000-memory.dmp
memory/3316-13-0x00000000009B0000-0x0000000000AB0000-memory.dmp
memory/3316-137-0x0000000000400000-0x0000000000866000-memory.dmp
memory/4888-158-0x000002120E7A0000-0x000002120E7B0000-memory.dmp
memory/4888-174-0x00000212288C0000-0x00000212288D0000-memory.dmp
memory/4888-156-0x00000212288C0000-0x00000212288D0000-memory.dmp
memory/4888-157-0x0000021228A70000-0x0000021228B80000-memory.dmp
memory/4888-159-0x0000021228880000-0x000002122888C000-memory.dmp
memory/4888-154-0x00007FF9C6730000-0x00007FF9C71F2000-memory.dmp
memory/4888-160-0x000002120E7B0000-0x000002120E7C4000-memory.dmp
memory/4888-161-0x00000212288A0000-0x00000212288C4000-memory.dmp
memory/4888-162-0x0000021228A20000-0x0000021228A2A000-memory.dmp
memory/4888-164-0x0000021228D00000-0x0000021228DB2000-memory.dmp
memory/4888-163-0x0000021228CD0000-0x0000021228CFA000-memory.dmp
memory/4888-165-0x0000021228DB0000-0x0000021228E2A000-memory.dmp
memory/4888-166-0x0000021228E30000-0x0000021228E92000-memory.dmp
memory/4888-167-0x0000021228F10000-0x0000021228F86000-memory.dmp
memory/4888-168-0x000002120E770000-0x000002120E77A000-memory.dmp
memory/4888-172-0x0000021228F90000-0x0000021229290000-memory.dmp
memory/4888-175-0x000002122CBE0000-0x000002122CBE8000-memory.dmp
memory/4888-155-0x000002120A9A0000-0x000002120E298000-memory.dmp
memory/4888-176-0x00000212288C0000-0x00000212288D0000-memory.dmp
memory/4888-177-0x000002122D330000-0x000002122D368000-memory.dmp
memory/4888-178-0x000002122D2F0000-0x000002122D2FE000-memory.dmp
memory/4888-179-0x000002122D3B0000-0x000002122D3BA000-memory.dmp
memory/4888-180-0x000002122D9C0000-0x000002122D9E2000-memory.dmp
memory/4888-181-0x000002122DF20000-0x000002122E448000-memory.dmp
memory/4888-185-0x000002122DA30000-0x000002122DA80000-memory.dmp
memory/4888-184-0x00000212288C0000-0x00000212288D0000-memory.dmp
memory/4888-186-0x000002122D9E0000-0x000002122D9EC000-memory.dmp
memory/4888-187-0x000002122DD00000-0x000002122DD22000-memory.dmp
memory/4888-188-0x000002122DD30000-0x000002122DD4E000-memory.dmp
memory/4888-190-0x00007FF9C6730000-0x00007FF9C71F2000-memory.dmp
memory/4888-191-0x00000212288C0000-0x00000212288D0000-memory.dmp
memory/4888-192-0x00000212288C0000-0x00000212288D0000-memory.dmp
memory/4888-193-0x00000212288C0000-0x00000212288D0000-memory.dmp
memory/4888-194-0x00000212288C0000-0x00000212288D0000-memory.dmp
memory/4888-195-0x00000212288C0000-0x00000212288D0000-memory.dmp