Analysis
- max time kernel
147s - max time network
151s - platform
windows11-21h2_x64 - resource
win11-20240419-en - resource tags
- submitted
05/05/2024, 17:35
General
- Target 876c1cc6174ef058b0628ab1ea9ce37e5cb870016a7fe9d9bd6b5956dfc439fc.exe
- Size 406KB
- Sample240505-v6bs7sbd65
- SHA256 876c1cc6174ef058b0628ab1ea9ce37e5cb870016a7fe9d9bd6b5956dfc439fc
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\876c1cc6174ef058b0628ab1ea9ce37e5cb870016a7fe9d9bd6b5956dfc439fc.exe"C:\Users\Admin\AppData\Local\Temp\876c1cc6174ef058b0628ab1ea9ce37e5cb870016a7fe9d9bd6b5956dfc439fc.exe"1⤵
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\u2oo.0.exe"C:\Users\Admin\AppData\Local\Temp\u2oo.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 2268 -s 24203⤵
- Program crash
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-
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C:\Users\Admin\AppData\Local\Temp\u2oo.1.exe"C:\Users\Admin\AppData\Local\Temp\u2oo.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
-
-
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3480 -s 15282⤵
- Program crash
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 3480 -ip 34801⤵
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 400 -p 2268 -ip 22681⤵
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
Are.docx
mozglue.dll
nss3.dll
u2oo.0.exe
u2oo.1.exe
memory/1836-98-0x0000028250500000-0x0000028250522000-memory.dmp
memory/1836-73-0x000002824B6F0000-0x000002824B76A000-memory.dmp
memory/1836-135-0x0000028250350000-0x000002825036E000-memory.dmp
memory/1836-131-0x0000028250320000-0x0000028250342000-memory.dmp
memory/1836-113-0x00000282502D0000-0x0000028250320000-memory.dmp
memory/1836-114-0x0000028250280000-0x000002825028C000-memory.dmp
memory/1836-64-0x000002822D260000-0x0000028230B58000-memory.dmp
memory/1836-65-0x000002824B3A0000-0x000002824B4B0000-memory.dmp
memory/1836-67-0x0000028232850000-0x000002823285C000-memory.dmp
memory/1836-66-0x0000028231180000-0x0000028231190000-memory.dmp
memory/1836-68-0x0000028232840000-0x0000028232854000-memory.dmp
memory/1836-69-0x0000028232870000-0x0000028232894000-memory.dmp
memory/1836-70-0x0000028232A00000-0x0000028232A0A000-memory.dmp
memory/1836-71-0x000002824B640000-0x000002824B6F2000-memory.dmp
memory/1836-72-0x000002824B1F0000-0x000002824B21A000-memory.dmp
memory/1836-74-0x000002824B770000-0x000002824B7D2000-memory.dmp
memory/1836-75-0x000002824B850000-0x000002824B8C6000-memory.dmp
memory/1836-103-0x0000028250A50000-0x0000028250F78000-memory.dmp
memory/1836-76-0x0000028232820000-0x000002823282A000-memory.dmp
memory/1836-80-0x000002824B8D0000-0x000002824BBD0000-memory.dmp
memory/1836-82-0x000002824B830000-0x000002824B838000-memory.dmp
memory/1836-83-0x000002824FBF0000-0x000002824FC28000-memory.dmp
memory/1836-84-0x000002824FBB0000-0x000002824FBBE000-memory.dmp
memory/1836-97-0x000002824FC70000-0x000002824FC7A000-memory.dmp
memory/2268-86-0x0000000061E00000-0x0000000061EF3000-memory.dmp
memory/2268-51-0x0000000000400000-0x0000000002B02000-memory.dmp
memory/2268-137-0x0000000000400000-0x0000000002B02000-memory.dmp
memory/2268-171-0x0000000000400000-0x0000000002B02000-memory.dmp
memory/3368-63-0x0000000000400000-0x00000000008AD000-memory.dmp
memory/3368-52-0x0000000000400000-0x00000000008AD000-memory.dmp
memory/3480-1-0x0000000002EB0000-0x0000000002FB0000-memory.dmp
memory/3480-30-0x0000000000400000-0x000000000046F000-memory.dmp
memory/3480-29-0x0000000002FB0000-0x000000000301C000-memory.dmp
memory/3480-27-0x0000000000400000-0x0000000002B23000-memory.dmp
memory/3480-3-0x0000000000400000-0x000000000046F000-memory.dmp
memory/3480-2-0x0000000002FB0000-0x000000000301C000-memory.dmp