Analysis
- max time kernel
146s - max time network
151s - platform
windows11-21h2_x64 - resource
win11-20240508-en - resource tags
- submitted
11/05/2024, 00:23
General
- Target 85fff1ac1cab4d1900bb87d43e229105f59563eacc3ebccb625bae9d15a93cc7.exe
- Size 387KB
- Sample240511-aphj7sdb49
- SHA256 85fff1ac1cab4d1900bb87d43e229105f59563eacc3ebccb625bae9d15a93cc7
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 1 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\85fff1ac1cab4d1900bb87d43e229105f59563eacc3ebccb625bae9d15a93cc7.exe"C:\Users\Admin\AppData\Local\Temp\85fff1ac1cab4d1900bb87d43e229105f59563eacc3ebccb625bae9d15a93cc7.exe"1⤵
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\u11s.0.exe"C:\Users\Admin\AppData\Local\Temp\u11s.0.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
-
-
C:\Users\Admin\AppData\Local\Temp\u11s.1.exe"C:\Users\Admin\AppData\Local\Temp\u11s.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 1360 -s 15722⤵
- Program crash
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 1360 -ip 13601⤵
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
Are.docx
mozglue.dll
nss3.dll
ioloDMLog.txt
u11s.0.exe
u11s.1.exe
memory/1360-27-0x0000000000400000-0x000000000046F000-memory.dmp
memory/1360-26-0x0000000000400000-0x000000000259D000-memory.dmp
memory/1360-1-0x00000000026D0000-0x00000000027D0000-memory.dmp
memory/1360-2-0x00000000042C0000-0x000000000432C000-memory.dmp
memory/1360-3-0x0000000000400000-0x000000000046F000-memory.dmp
memory/2044-119-0x0000000000400000-0x00000000008AD000-memory.dmp
memory/2044-131-0x0000000000400000-0x00000000008AD000-memory.dmp
memory/3388-137-0x000002AC01AD0000-0x000002AC01AF4000-memory.dmp
memory/3388-153-0x000002AC1ED20000-0x000002AC1ED2A000-memory.dmp
memory/3388-132-0x000002AC79BA0000-0x000002AC7D3D4000-memory.dmp
memory/3388-133-0x000002AC1A5E0000-0x000002AC1A6EA000-memory.dmp
memory/3388-134-0x000002AC01A50000-0x000002AC01A60000-memory.dmp
memory/3388-135-0x000002AC01A70000-0x000002AC01A7C000-memory.dmp
memory/3388-136-0x000002AC01A60000-0x000002AC01A74000-memory.dmp
memory/3388-163-0x000002AC1A420000-0x000002AC1A5D3000-memory.dmp
memory/3388-138-0x000002AC01B00000-0x000002AC01B0A000-memory.dmp
memory/3388-139-0x000002AC1A8B0000-0x000002AC1A962000-memory.dmp
memory/3388-140-0x000002AC1A6F0000-0x000002AC1A71A000-memory.dmp
memory/3388-141-0x000002AC7D810000-0x000002AC7D860000-memory.dmp
memory/3388-142-0x000002AC7D7C0000-0x000002AC7D7E2000-memory.dmp
memory/3388-143-0x000002AC01A20000-0x000002AC01A2A000-memory.dmp
memory/3388-147-0x000002AC1A960000-0x000002AC1AC60000-memory.dmp
memory/3388-149-0x000002AC7D780000-0x000002AC7D788000-memory.dmp
memory/3388-150-0x000002AC7D8C0000-0x000002AC7D8F8000-memory.dmp
memory/3388-151-0x000002AC7D790000-0x000002AC7D79E000-memory.dmp
memory/3388-152-0x000002AC7D7A0000-0x000002AC7D7A8000-memory.dmp
memory/3388-161-0x000002AC7D880000-0x000002AC7D89E000-memory.dmp
memory/3388-154-0x000002AC1F620000-0x000002AC1F682000-memory.dmp
memory/3388-155-0x000002AC1ED30000-0x000002AC1ED52000-memory.dmp
memory/3388-156-0x000002AC1FBB0000-0x000002AC200D8000-memory.dmp
memory/3388-159-0x000002AC1ED50000-0x000002AC1ED5C000-memory.dmp
memory/3388-160-0x000002AC7D980000-0x000002AC7D9F6000-memory.dmp
memory/3932-103-0x0000000000400000-0x0000000002579000-memory.dmp
memory/3932-33-0x0000000061E00000-0x0000000061EF3000-memory.dmp