Analysis
- max time kernel
148s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20240426-en - resource tags
- submitted
30/04/2024, 01:01
General
- Target 04043ec3c8c32b4b61ded42edb10fde3953690570505346e8c355946b2219574.exe
- Size 451KB
- Sample240430-bdmkfsga3t
- SHA256 04043ec3c8c32b4b61ded42edb10fde3953690570505346e8c355946b2219574
Malware Config
Extracted
-
stealc
-
http://185.172.128.150
-
url_path
/c698e1bc8a2f5e6d.php
Signatures
- Detect ZGRat V1 3 IoCs
- 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
- Checks computer location settings 2 TTPs 2 IoCs
Looks up country code configured in the registry, likely geofence.
- 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).
- 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 30 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 3 IoCs
- Suspicious use of WriteProcessMemory 20 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\04043ec3c8c32b4b61ded42edb10fde3953690570505346e8c355946b2219574.exe"C:\Users\Admin\AppData\Local\Temp\04043ec3c8c32b4b61ded42edb10fde3953690570505346e8c355946b2219574.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\u3wg.0.exe"C:\Users\Admin\AppData\Local\Temp\u3wg.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 720 -s 23003⤵
- Program crash
-
-
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C:\Users\Admin\AppData\Local\Temp\u3wg.2\run.exe"C:\Users\Admin\AppData\Local\Temp\u3wg.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
-
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 behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
-
-
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C:\Users\Admin\AppData\Local\Temp\u3wg.3.exe"C:\Users\Admin\AppData\Local\Temp\u3wg.3.exe"2⤵
- Checks computer location settings
- 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 5056 -s 16762⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 468 -p 720 -ip 7201⤵
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 5056 -ip 50561⤵
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
Are.docx
mozglue.dll
nss3.dll
b7df2aa7
tmpEBE7.tmp
tmpEC19.tmp
u3wg.0.exe
u3wg.1.zip
UIxMarketPlugin.dll
bunch.dat
relay.dll
run.exe
whale.dbf
u3wg.3.exe
memory/720-195-0x0000000000400000-0x0000000002AF3000-memory.dmp
memory/720-16-0x0000000061E00000-0x0000000061EF3000-memory.dmp
memory/720-15-0x0000000000400000-0x0000000002AF3000-memory.dmp
memory/720-151-0x0000000000400000-0x0000000002AF3000-memory.dmp
memory/720-13-0x0000000002E60000-0x0000000002F60000-memory.dmp
memory/720-14-0x0000000002DB0000-0x0000000002DD7000-memory.dmp
memory/1332-187-0x00007FF93EC30000-0x00007FF93EE25000-memory.dmp
memory/1332-275-0x00000000729F0000-0x0000000072B6B000-memory.dmp
memory/4712-152-0x00000000729F0000-0x0000000072B6B000-memory.dmp
memory/4712-137-0x00000000729F0000-0x0000000072B6B000-memory.dmp
memory/4712-138-0x00007FF93EC30000-0x00007FF93EE25000-memory.dmp
memory/4800-286-0x00000000057F0000-0x00000000057FA000-memory.dmp
memory/4800-308-0x0000000007F60000-0x0000000007F6A000-memory.dmp
memory/4800-288-0x0000000006590000-0x00000000065AE000-memory.dmp
memory/4800-287-0x0000000006A70000-0x0000000006F9C000-memory.dmp
memory/4800-289-0x0000000006680000-0x00000000066E6000-memory.dmp
memory/4800-285-0x0000000005900000-0x0000000005950000-memory.dmp
memory/4800-284-0x0000000005960000-0x00000000059D6000-memory.dmp
memory/4800-283-0x0000000005C40000-0x0000000005E02000-memory.dmp
memory/4800-282-0x0000000005E90000-0x0000000006434000-memory.dmp
memory/4800-281-0x0000000005840000-0x00000000058D2000-memory.dmp
memory/4800-280-0x0000000001130000-0x00000000011F6000-memory.dmp
memory/4800-277-0x0000000071590000-0x00000000727E4000-memory.dmp
memory/5000-249-0x000001CBC1640000-0x000001CBC1664000-memory.dmp
memory/5000-273-0x000001CBC2070000-0x000001CBC208E000-memory.dmp
memory/5000-254-0x000001CBC1BB0000-0x000001CBC1C12000-memory.dmp
memory/5000-255-0x000001CBC1C90000-0x000001CBC1D06000-memory.dmp
memory/5000-256-0x000001CBC1670000-0x000001CBC167A000-memory.dmp
memory/5000-260-0x000001CBC1D10000-0x000001CBC2010000-memory.dmp
memory/5000-262-0x000001CBC5960000-0x000001CBC5968000-memory.dmp
memory/5000-263-0x000001CBC6060000-0x000001CBC6098000-memory.dmp
memory/5000-264-0x000001CBC6030000-0x000001CBC603E000-memory.dmp
memory/5000-265-0x000001CBC7170000-0x000001CBC717A000-memory.dmp
memory/5000-266-0x000001CBC7180000-0x000001CBC71A2000-memory.dmp
memory/5000-267-0x000001CBC76D0000-0x000001CBC7BF8000-memory.dmp
memory/5000-271-0x000001CBC6EF0000-0x000001CBC6EFC000-memory.dmp
memory/5000-270-0x000001CBC6F40000-0x000001CBC6F90000-memory.dmp
memory/5000-272-0x000001CBC2040000-0x000001CBC2062000-memory.dmp
memory/5000-253-0x000001CBC1B30000-0x000001CBC1BAA000-memory.dmp
memory/5000-252-0x000001CBC16D0000-0x000001CBC16FA000-memory.dmp
memory/5000-251-0x000001CBC1A80000-0x000001CBC1B32000-memory.dmp
memory/5000-250-0x000001CBC1660000-0x000001CBC166A000-memory.dmp
memory/5000-244-0x000001CBA1F90000-0x000001CBA5888000-memory.dmp
memory/5000-248-0x000001CBC15E0000-0x000001CBC15F4000-memory.dmp
memory/5000-246-0x000001CBA75B0000-0x000001CBA75C0000-memory.dmp
memory/5000-247-0x000001CBC15F0000-0x000001CBC15FC000-memory.dmp
memory/5000-245-0x000001CBC1830000-0x000001CBC1940000-memory.dmp
memory/5040-243-0x0000000000400000-0x00000000008AD000-memory.dmp
memory/5056-1-0x0000000001AA0000-0x0000000001BA0000-memory.dmp
memory/5056-211-0x0000000000400000-0x0000000001A3C000-memory.dmp
memory/5056-186-0x0000000001AA0000-0x0000000001BA0000-memory.dmp
memory/5056-150-0x0000000000400000-0x0000000001A3C000-memory.dmp
memory/5056-3-0x0000000000400000-0x0000000001A3C000-memory.dmp
memory/5056-2-0x0000000003680000-0x00000000036ED000-memory.dmp