Analysis
- max time kernel
129s - max time network
132s - platform
windows11-21h2_x64 - resource
win11-20240426-en - resource tags
- submitted
11/05/2024, 09:04
General
- Target 3e98dd6d9b1aa49477b6ecb73b186ed4876d704c03dc16aafcb7440db5ddc01c.exe
- Size 387KB
- Sample240511-k1rmcsad91
- SHA256 3e98dd6d9b1aa49477b6ecb73b186ed4876d704c03dc16aafcb7440db5ddc01c
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
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C:\Users\Admin\AppData\Local\Temp\3e98dd6d9b1aa49477b6ecb73b186ed4876d704c03dc16aafcb7440db5ddc01c.exe"C:\Users\Admin\AppData\Local\Temp\3e98dd6d9b1aa49477b6ecb73b186ed4876d704c03dc16aafcb7440db5ddc01c.exe"1⤵
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\u2c0.0.exe"C:\Users\Admin\AppData\Local\Temp\u2c0.0.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2712 -s 21043⤵
- Program crash
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-
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C:\Users\Admin\AppData\Local\Temp\u2c0.1.exe"C:\Users\Admin\AppData\Local\Temp\u2c0.1.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 3024 -s 15322⤵
- Program crash
-
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 3024 -ip 30241⤵
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2712 -ip 27121⤵
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
Are.docx
mozglue.dll
nss3.dll
u2c0.0.exe
u2c0.1.exe
memory/388-140-0x000002B9ED6F0000-0x000002B9ED714000-memory.dmp
memory/388-142-0x000002B9ED790000-0x000002B9ED7BA000-memory.dmp
memory/388-164-0x000002B9F2770000-0x000002B9F278E000-memory.dmp
memory/388-163-0x000002B9F2810000-0x000002B9F2886000-memory.dmp
memory/388-162-0x000002B9F2730000-0x000002B9F273C000-memory.dmp
memory/388-159-0x000002B9F2F40000-0x000002B9F3468000-memory.dmp
memory/388-158-0x000002B9F2710000-0x000002B9F2732000-memory.dmp
memory/388-156-0x000002B9F2990000-0x000002B9F299A000-memory.dmp
memory/388-135-0x000002B9CF890000-0x000002B9D30C4000-memory.dmp
memory/388-136-0x000002B9ED8C0000-0x000002B9ED9CA000-memory.dmp
memory/388-138-0x000002B9D4EE0000-0x000002B9D4EEC000-memory.dmp
memory/388-137-0x000002B9D4EC0000-0x000002B9D4ED0000-memory.dmp
memory/388-139-0x000002B9D4ED0000-0x000002B9D4EE4000-memory.dmp
memory/388-157-0x000002B9F29B0000-0x000002B9F2A12000-memory.dmp
memory/388-141-0x000002B9ED760000-0x000002B9ED76A000-memory.dmp
memory/388-155-0x000002B9F2060000-0x000002B9F2068000-memory.dmp
memory/388-143-0x000002B9EDB20000-0x000002B9EDBD2000-memory.dmp
memory/388-144-0x000002B9EDC20000-0x000002B9EDC70000-memory.dmp
memory/388-145-0x000002B9EDC70000-0x000002B9EDC92000-memory.dmp
memory/388-146-0x000002B9D35B0000-0x000002B9D35BA000-memory.dmp
memory/388-150-0x000002B9EDCA0000-0x000002B9EDFA0000-memory.dmp
memory/388-152-0x000002B9F1970000-0x000002B9F1978000-memory.dmp
memory/388-154-0x000002B9F2040000-0x000002B9F204E000-memory.dmp
memory/388-153-0x000002B9F2080000-0x000002B9F20B8000-memory.dmp
memory/2712-122-0x0000000000400000-0x000000000257A000-memory.dmp
memory/2712-33-0x0000000061E00000-0x0000000061EF3000-memory.dmp
memory/3024-27-0x0000000000400000-0x000000000259D000-memory.dmp
memory/3024-1-0x0000000002820000-0x0000000002920000-memory.dmp
memory/3024-3-0x0000000000400000-0x000000000046F000-memory.dmp
memory/3024-2-0x0000000004300000-0x000000000436C000-memory.dmp
memory/3024-28-0x0000000000400000-0x000000000046F000-memory.dmp
memory/3244-134-0x0000000000400000-0x00000000008AD000-memory.dmp