Analysis
- max time kernel
265s - max time network
299s - platform
windows10-1703_x64 - resource
win10-20240404-en - resource tags
- submitted
06/05/2024, 22:55
General
- Target 989b904faba9a34be744477ce7730e1c84515ba7114f955cc5bda329d5b2e4c8.exe
- Size 435KB
- Sample240506-2weknsaa57
- SHA256 989b904faba9a34be744477ce7730e1c84515ba7114f955cc5bda329d5b2e4c8
Malware Config
Extracted
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stealc
-
http://185.172.128.150
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url_path
/c698e1bc8a2f5e6d.php
Signatures
- Detect ZGRat V1 3 IoCs
- Detects Arechclient2 RAT 1 IoCs
Arechclient2.
- SectopRAT
SectopRAT is a remote access trojan first seen in November 2019.
- SectopRAT payload 1 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 5 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.
- Suspicious use of SetThreadContext 2 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- 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 25 IoCs
- Suspicious behavior: MapViewOfSection 3 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of FindShellTrayWindow 7 IoCs
- Suspicious use of SendNotifyMessage 7 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 20 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\989b904faba9a34be744477ce7730e1c84515ba7114f955cc5bda329d5b2e4c8.exe"C:\Users\Admin\AppData\Local\Temp\989b904faba9a34be744477ce7730e1c84515ba7114f955cc5bda329d5b2e4c8.exe"1⤵
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\uek.0.exe"C:\Users\Admin\AppData\Local\Temp\uek.0.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
-
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C:\Users\Admin\AppData\Local\Temp\uek.2\run.exe"C:\Users\Admin\AppData\Local\Temp\uek.2\run.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\cmd.exeC:\Windows\SysWOW64\cmd.exe3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
-
C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exeC:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe4⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
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-
-
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C:\Users\Admin\AppData\Local\Temp\uek.3.exe"C:\Users\Admin\AppData\Local\Temp\uek.3.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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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
mozglue.dll
12a2494c
tmpC7F.tmp
uek.0.exe
uek.1.zip
doubled.doc
protactinium.log
run.exe
uek.3.exe
nss3.dll
ASUS_WMI.dll
ATKEX.dll
AsIO.dll
memory/524-180-0x0000000002C80000-0x0000000002CED000-memory.dmp
memory/524-170-0x0000000000400000-0x0000000002B2A000-memory.dmp
memory/524-181-0x0000000000400000-0x0000000000470000-memory.dmp
memory/524-2-0x0000000002C80000-0x0000000002CED000-memory.dmp
memory/524-179-0x0000000000400000-0x0000000002B2A000-memory.dmp
memory/524-3-0x0000000000400000-0x0000000000470000-memory.dmp
memory/524-1-0x0000000002EE0000-0x0000000002FE0000-memory.dmp
memory/1136-144-0x00007FFCE7BA0000-0x00007FFCE7D7B000-memory.dmp
memory/1136-143-0x0000000072370000-0x00000000724EB000-memory.dmp
memory/1136-194-0x0000000072370000-0x00000000724EB000-memory.dmp
memory/2352-217-0x00007FFCE7BA0000-0x00007FFCE7D7B000-memory.dmp
memory/2352-250-0x0000000072370000-0x00000000724EB000-memory.dmp
memory/3164-12-0x0000000061E00000-0x0000000061EF3000-memory.dmp
memory/3164-197-0x0000000000400000-0x0000000001A10000-memory.dmp
memory/3164-11-0x0000000000400000-0x0000000001A10000-memory.dmp
memory/3164-295-0x0000000000400000-0x0000000001A10000-memory.dmp
memory/3164-219-0x0000000000400000-0x0000000001A10000-memory.dmp
memory/3164-10-0x0000000000400000-0x0000000001A10000-memory.dmp
memory/4192-238-0x00000240FB6C0000-0x00000240FB6E4000-memory.dmp
memory/4192-257-0x00000240833B0000-0x00000240838D6000-memory.dmp
memory/4192-237-0x00000240FB540000-0x00000240FB554000-memory.dmp
memory/4192-236-0x00000240FB660000-0x00000240FB66C000-memory.dmp
memory/4192-234-0x00000240FB810000-0x00000240FB91A000-memory.dmp
memory/4192-241-0x00000240FBBB0000-0x00000240FBC62000-memory.dmp
memory/4192-243-0x00000240FBC60000-0x00000240FBC82000-memory.dmp
memory/4192-242-0x00000240FBCB0000-0x00000240FBD00000-memory.dmp
memory/4192-240-0x00000240FBB80000-0x00000240FBBAA000-memory.dmp
memory/4192-239-0x00000240FB440000-0x00000240FB44A000-memory.dmp
memory/4192-244-0x00000240FB450000-0x00000240FB45A000-memory.dmp
memory/4192-248-0x00000240FC640000-0x00000240FC940000-memory.dmp
memory/4192-233-0x00000240DD800000-0x00000240E1034000-memory.dmp
memory/4192-251-0x0000024082010000-0x0000024082018000-memory.dmp
memory/4192-253-0x0000024082270000-0x0000024082278000-memory.dmp
memory/4192-252-0x0000024082290000-0x00000240822C8000-memory.dmp
memory/4192-255-0x0000024082E00000-0x0000024082E62000-memory.dmp
memory/4192-256-0x0000024082E60000-0x0000024082E82000-memory.dmp
memory/4192-254-0x0000024082DE0000-0x0000024082DEA000-memory.dmp
memory/4192-235-0x00000240FB460000-0x00000240FB470000-memory.dmp
memory/4192-260-0x0000024082DF0000-0x0000024082DFC000-memory.dmp
memory/4192-261-0x0000024082F50000-0x0000024082FC6000-memory.dmp
memory/4192-262-0x0000024082EB0000-0x0000024082ECE000-memory.dmp
memory/4304-272-0x00000000050E0000-0x00000000052A2000-memory.dmp
memory/4304-278-0x0000000005C00000-0x0000000005C66000-memory.dmp
memory/4304-271-0x0000000005410000-0x000000000590E000-memory.dmp
memory/4304-270-0x0000000004E70000-0x0000000004F02000-memory.dmp
memory/4304-274-0x0000000005060000-0x00000000050B0000-memory.dmp
memory/4304-273-0x0000000004F90000-0x0000000005006000-memory.dmp
memory/4304-269-0x0000000000920000-0x00000000009E6000-memory.dmp
memory/4304-276-0x0000000006000000-0x000000000652C000-memory.dmp
memory/4304-265-0x00000000709D0000-0x0000000071D53000-memory.dmp
memory/4304-277-0x0000000005B20000-0x0000000005B3E000-memory.dmp
memory/4304-275-0x0000000004E50000-0x0000000004E5A000-memory.dmp
memory/4304-297-0x0000000005930000-0x0000000005942000-memory.dmp
memory/4304-288-0x00000000074C0000-0x00000000074CA000-memory.dmp
memory/4396-220-0x0000000000400000-0x00000000008AD000-memory.dmp
memory/4396-232-0x0000000000400000-0x00000000008AD000-memory.dmp