Analysis
- max time kernel
261s - max time network
299s - platform
windows10-1703_x64 - resource
win10-20240404-en - resource tags
- submitted
29/04/2024, 04:51
General
- Target 12beb2655f1cc39c31fb53bc72670deef2f6311e0f5c2b22fbc85a4ad3cab306.exe
- Size 405KB
- Sample240429-fgwprabb91
- SHA256 12beb2655f1cc39c31fb53bc72670deef2f6311e0f5c2b22fbc85a4ad3cab306
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 3 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 23 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 2 IoCs
- Suspicious use of WriteProcessMemory 20 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\12beb2655f1cc39c31fb53bc72670deef2f6311e0f5c2b22fbc85a4ad3cab306.exe"C:\Users\Admin\AppData\Local\Temp\12beb2655f1cc39c31fb53bc72670deef2f6311e0f5c2b22fbc85a4ad3cab306.exe"1⤵
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\u38g.0.exe"C:\Users\Admin\AppData\Local\Temp\u38g.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\u38g.2\run.exe"C:\Users\Admin\AppData\Local\Temp\u38g.2\run.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of SetWindowsHookEx
- 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
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exeC:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe4⤵
- Suspicious use of AdjustPrivilegeToken
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-
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C:\Users\Admin\AppData\Local\Temp\u38g.3.exe"C:\Users\Admin\AppData\Local\Temp\u38g.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
Are.docx
eb7329e2
tmpEB6A.tmp
u38g.0.exe
u38g.1.zip
UIxMarketPlugin.dll
bunch.dat
relay.dll
run.exe
whale.dbf
u38g.3.exe
mozglue.dll
nss3.dll
memory/784-188-0x00007FFB79180000-0x00007FFB7935B000-memory.dmp
memory/784-232-0x00000000728D0000-0x0000000072A4B000-memory.dmp
memory/1564-207-0x0000025479110000-0x0000025479134000-memory.dmp
memory/1564-218-0x00000254798B0000-0x0000025479BB0000-memory.dmp
memory/1564-230-0x0000025418ED0000-0x0000025418EEE000-memory.dmp
memory/1564-229-0x0000025418EA0000-0x0000025418EC2000-memory.dmp
memory/1564-227-0x0000025418E50000-0x0000025418EA0000-memory.dmp
memory/1564-228-0x0000025418E00000-0x0000025418E0C000-memory.dmp
memory/1564-224-0x0000025419340000-0x0000025419866000-memory.dmp
memory/1564-223-0x0000025418DE0000-0x0000025418E02000-memory.dmp
memory/1564-202-0x00000254731F0000-0x0000025476AE8000-memory.dmp
memory/1564-203-0x0000025479350000-0x0000025479460000-memory.dmp
memory/1564-204-0x00000254787C0000-0x00000254787D0000-memory.dmp
memory/1564-205-0x00000254790E0000-0x00000254790EC000-memory.dmp
memory/1564-206-0x00000254790D0000-0x00000254790E4000-memory.dmp
memory/1564-222-0x0000025418DD0000-0x0000025418DDA000-memory.dmp
memory/1564-208-0x00000254790B0000-0x00000254790BA000-memory.dmp
memory/1564-209-0x0000025479290000-0x00000254792BA000-memory.dmp
memory/1564-210-0x0000025479690000-0x0000025479742000-memory.dmp
memory/1564-211-0x00000254792C0000-0x000002547933A000-memory.dmp
memory/1564-212-0x0000025479750000-0x00000254797B2000-memory.dmp
memory/1564-213-0x0000025479830000-0x00000254798A6000-memory.dmp
memory/1564-214-0x00000254790C0000-0x00000254790CA000-memory.dmp
memory/1564-221-0x0000025418290000-0x00000254182C8000-memory.dmp
memory/1564-220-0x0000025418010000-0x0000025418018000-memory.dmp
memory/2668-121-0x00000000728D0000-0x0000000072A4B000-memory.dmp
memory/2668-122-0x00007FFB79180000-0x00007FFB7935B000-memory.dmp
memory/2668-185-0x00000000728D0000-0x0000000072A4B000-memory.dmp
memory/3216-201-0x0000000000400000-0x00000000008AD000-memory.dmp
memory/3496-237-0x0000000000560000-0x0000000000626000-memory.dmp
memory/3496-240-0x0000000004DA0000-0x0000000004F62000-memory.dmp
memory/3496-246-0x0000000005840000-0x00000000058A6000-memory.dmp
memory/3496-245-0x0000000005760000-0x000000000577E000-memory.dmp
memory/3496-244-0x0000000005BF0000-0x000000000611C000-memory.dmp
memory/3496-234-0x0000000071340000-0x00000000726C3000-memory.dmp
memory/3496-243-0x0000000004B20000-0x0000000004B2A000-memory.dmp
memory/3496-238-0x0000000004A70000-0x0000000004B02000-memory.dmp
memory/3496-239-0x00000000050C0000-0x00000000055BE000-memory.dmp
memory/3496-242-0x0000000004C40000-0x0000000004C90000-memory.dmp
memory/3496-241-0x0000000004BC0000-0x0000000004C36000-memory.dmp
memory/4192-2-0x00000000041B0000-0x000000000421D000-memory.dmp
memory/4192-3-0x0000000000400000-0x0000000004055000-memory.dmp
memory/4192-161-0x0000000000400000-0x0000000004055000-memory.dmp
memory/4192-1-0x00000000043A0000-0x00000000044A0000-memory.dmp
memory/5096-10-0x0000000061E00000-0x0000000061EF3000-memory.dmp
memory/5096-158-0x0000000000400000-0x0000000001A17000-memory.dmp