Analysis
- max time kernel
142s - max time network
141s - platform
windows11-21h2_x64 - resource
win11-20240426-en - resource tags
- submitted
29/04/2024, 16:01
General
- Target cb6d9e0da0d0314e10991ba79e9da46be1b9d3b8ee6bc576c89c4a573940016e.exe
- Size 347KB
- Sample240429-tf6p8aee75
- SHA256 cb6d9e0da0d0314e10991ba79e9da46be1b9d3b8ee6bc576c89c4a573940016e
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
- 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 29 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
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C:\Users\Admin\AppData\Local\Temp\cb6d9e0da0d0314e10991ba79e9da46be1b9d3b8ee6bc576c89c4a573940016e.exe"C:\Users\Admin\AppData\Local\Temp\cb6d9e0da0d0314e10991ba79e9da46be1b9d3b8ee6bc576c89c4a573940016e.exe"1⤵
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\u3g4.0.exe"C:\Users\Admin\AppData\Local\Temp\u3g4.0.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 2080 -s 24483⤵
- Program crash
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C:\Users\Admin\AppData\Local\Temp\u3g4.2\run.exe"C:\Users\Admin\AppData\Local\Temp\u3g4.2\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
-
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\u3g4.3.exe"C:\Users\Admin\AppData\Local\Temp\u3g4.3.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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-
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4468 -s 16202⤵
- Program crash
-
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 4468 -ip 44681⤵
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 520 -p 2080 -ip 20801⤵
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
Are.docx
mozglue.dll
nss3.dll
29805d9
ioloDMLog.txt
tmpCDD.tmp
tmpD0F.tmp
u3g4.0.exe
u3g4.1.zip
UIxMarketPlugin.dll
bunch.dat
relay.dll
run.exe
whale.dbf
u3g4.3.exe
memory/1400-187-0x00000000727C0000-0x000000007293D000-memory.dmp
memory/1400-144-0x00007FFEDEA00000-0x00007FFEDEC09000-memory.dmp
memory/2080-238-0x0000000000400000-0x0000000002AF0000-memory.dmp
memory/2080-195-0x0000000002C70000-0x0000000002D70000-memory.dmp
memory/2080-281-0x0000000000400000-0x0000000002AF0000-memory.dmp
memory/2080-196-0x0000000061E00000-0x0000000061EF3000-memory.dmp
memory/2168-185-0x0000029DEDFE0000-0x0000029DEE030000-memory.dmp
memory/2168-177-0x0000029DE94C0000-0x0000029DE94C8000-memory.dmp
memory/2168-160-0x0000029DE9060000-0x0000029DE9170000-memory.dmp
memory/2168-162-0x0000029DE8480000-0x0000029DE848C000-memory.dmp
memory/2168-161-0x0000029DE6B00000-0x0000029DE6B10000-memory.dmp
memory/2168-163-0x0000029DE8470000-0x0000029DE8484000-memory.dmp
memory/2168-164-0x0000029DE84F0000-0x0000029DE8514000-memory.dmp
memory/2168-169-0x0000029DE93F0000-0x0000029DE9452000-memory.dmp
memory/2168-168-0x0000029DE9370000-0x0000029DE93EA000-memory.dmp
memory/2168-167-0x0000029DE8E10000-0x0000029DE8E3A000-memory.dmp
memory/2168-166-0x0000029DE92C0000-0x0000029DE9372000-memory.dmp
memory/2168-165-0x0000029DE8DF0000-0x0000029DE8DFA000-memory.dmp
memory/2168-186-0x0000029DEDF60000-0x0000029DEDF6C000-memory.dmp
memory/2168-171-0x0000029DE8440000-0x0000029DE844A000-memory.dmp
memory/2168-175-0x0000029DE9550000-0x0000029DE9850000-memory.dmp
memory/2168-188-0x0000029DEE2B0000-0x0000029DEE2D2000-memory.dmp
memory/2168-178-0x0000029DED870000-0x0000029DED8A8000-memory.dmp
memory/2168-179-0x0000029DED840000-0x0000029DED84E000-memory.dmp
memory/2168-181-0x0000029DEDF40000-0x0000029DEDF62000-memory.dmp
memory/2168-180-0x0000029DED8F0000-0x0000029DED8FA000-memory.dmp
memory/2168-182-0x0000029DEE4C0000-0x0000029DEE9E8000-memory.dmp
memory/2168-239-0x0000029DE8EA0000-0x0000029DE9053000-memory.dmp
memory/2168-159-0x0000029DE2D70000-0x0000029DE6668000-memory.dmp
memory/2168-170-0x0000029DE94D0000-0x0000029DE9546000-memory.dmp
memory/2168-189-0x0000029DEDFB0000-0x0000029DEDFCE000-memory.dmp
memory/2764-158-0x0000000000400000-0x00000000008AD000-memory.dmp
memory/2764-146-0x0000000000400000-0x00000000008AD000-memory.dmp
memory/3064-100-0x00007FFEDEA00000-0x00007FFEDEC09000-memory.dmp
memory/3064-99-0x00000000727C0000-0x000000007293D000-memory.dmp
memory/3064-126-0x00000000727C0000-0x000000007293D000-memory.dmp
memory/4468-125-0x0000000004830000-0x000000000489D000-memory.dmp
memory/4468-1-0x0000000002E90000-0x0000000002F90000-memory.dmp
memory/4468-2-0x0000000004830000-0x000000000489D000-memory.dmp
memory/4468-13-0x0000000000400000-0x0000000002B15000-memory.dmp
memory/4468-3-0x0000000000400000-0x0000000002B15000-memory.dmp
memory/4468-124-0x0000000000400000-0x0000000002B15000-memory.dmp
memory/5116-277-0x0000000005A10000-0x0000000005A60000-memory.dmp
memory/5116-275-0x0000000005AE0000-0x0000000005CA2000-memory.dmp
memory/5116-276-0x0000000005990000-0x0000000005A06000-memory.dmp
memory/5116-274-0x0000000005EC0000-0x0000000006466000-memory.dmp
memory/5116-278-0x0000000005830000-0x000000000583A000-memory.dmp
memory/5116-279-0x0000000006AA0000-0x0000000006FCC000-memory.dmp
memory/5116-280-0x00000000065C0000-0x00000000065DE000-memory.dmp
memory/5116-282-0x0000000006790000-0x00000000067F6000-memory.dmp
memory/5116-273-0x0000000005870000-0x0000000005902000-memory.dmp
memory/5116-272-0x0000000001100000-0x00000000011C6000-memory.dmp
memory/5116-192-0x0000000072D60000-0x0000000074077000-memory.dmp