Analysis
- max time kernel
124s - max time network
138s - platform
windows11-21h2_x64 - resource
win11-20240426-en - resource tags
- submitted
27/04/2024, 08:40
General
- Target 67aaf2048b20905e1b0ad11072d043a22ae084e75e64ec505cfa25dec05c0cc4.exe
- Size 394KB
- Sample240427-klcvnafa44
- SHA256 67aaf2048b20905e1b0ad11072d043a22ae084e75e64ec505cfa25dec05c0cc4
Malware Config
Extracted
-
stealc
-
http://185.172.128.76
-
url_path
/3cd2b41cbde8fc9c.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 1 IoCs
- 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.
- Suspicious behavior: EnumeratesProcesses 27 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
-
C:\Users\Admin\AppData\Local\Temp\67aaf2048b20905e1b0ad11072d043a22ae084e75e64ec505cfa25dec05c0cc4.exe"C:\Users\Admin\AppData\Local\Temp\67aaf2048b20905e1b0ad11072d043a22ae084e75e64ec505cfa25dec05c0cc4.exe"1⤵
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\u2dk.0.exe"C:\Users\Admin\AppData\Local\Temp\u2dk.0.exe"2⤵
- Executes dropped EXE
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 780 -s 12363⤵
- Program crash
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C:\Users\Admin\AppData\Local\Temp\u2dk.2\run.exe"C:\Users\Admin\AppData\Local\Temp\u2dk.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 behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
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-
-
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C:\Users\Admin\AppData\Local\Temp\u2dk.3.exe"C:\Users\Admin\AppData\Local\Temp\u2dk.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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-
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3080 -s 11642⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 780 -ip 7801⤵
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 548 -p 3080 -ip 30801⤵
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
ae865a30
ioloDMLog.txt
tmpF9C3.tmp
tmpF9F5.tmp
u2dk.0.exe
u2dk.1.zip
UIxMarketPlugin.dll
bunch.dat
relay.dll
run.exe
whale.dbf
u2dk.3.exe
memory/780-18-0x0000000000400000-0x0000000002AFC000-memory.dmp
memory/780-17-0x0000000002F60000-0x0000000002F87000-memory.dmp
memory/780-16-0x0000000002BF0000-0x0000000002CF0000-memory.dmp
memory/780-111-0x0000000000400000-0x0000000002AFC000-memory.dmp
memory/2552-151-0x00007FFF5D420000-0x00007FFF5D629000-memory.dmp
memory/2552-197-0x0000000072380000-0x00000000724FD000-memory.dmp
memory/2852-210-0x0000000005E00000-0x0000000005E1E000-memory.dmp
memory/2852-206-0x00000000051A0000-0x0000000005216000-memory.dmp
memory/2852-199-0x0000000072D90000-0x00000000740A7000-memory.dmp
memory/2852-202-0x0000000000900000-0x00000000009C6000-memory.dmp
memory/2852-203-0x0000000005040000-0x00000000050D2000-memory.dmp
memory/2852-236-0x00000000079A0000-0x00000000079AA000-memory.dmp
memory/2852-204-0x0000000005750000-0x0000000005CF6000-memory.dmp
memory/2852-205-0x00000000054E0000-0x00000000056A2000-memory.dmp
memory/2852-211-0x0000000005EC0000-0x0000000005F26000-memory.dmp
memory/2852-207-0x0000000005140000-0x0000000005190000-memory.dmp
memory/2852-209-0x0000000006330000-0x000000000685C000-memory.dmp
memory/2852-208-0x00000000050E0000-0x00000000050EA000-memory.dmp
memory/3080-1-0x0000000002CD0000-0x0000000002DD0000-memory.dmp
memory/3080-2-0x0000000004880000-0x00000000048ED000-memory.dmp
memory/3080-3-0x0000000000400000-0x0000000002B21000-memory.dmp
memory/3080-127-0x0000000004880000-0x00000000048ED000-memory.dmp
memory/3080-128-0x0000000000400000-0x0000000002B21000-memory.dmp
memory/3512-133-0x0000000072380000-0x00000000724FD000-memory.dmp
memory/3512-104-0x0000000072380000-0x00000000724FD000-memory.dmp
memory/3512-105-0x00007FFF5D420000-0x00007FFF5D629000-memory.dmp
memory/4708-173-0x0000022446650000-0x000002244667A000-memory.dmp
memory/4708-184-0x000002244A580000-0x000002244A588000-memory.dmp
memory/4708-186-0x000002244AC50000-0x000002244AC5E000-memory.dmp
memory/4708-185-0x000002244AC80000-0x000002244ACB8000-memory.dmp
memory/4708-188-0x000002244B310000-0x000002244B332000-memory.dmp
memory/4708-187-0x000002244B590000-0x000002244B59A000-memory.dmp
memory/4708-189-0x000002244BAD0000-0x000002244BFF8000-memory.dmp
memory/4708-193-0x000002244B330000-0x000002244B33C000-memory.dmp
memory/4708-192-0x000002244B380000-0x000002244B3D0000-memory.dmp
memory/4708-194-0x000002244B3D0000-0x000002244B3F2000-memory.dmp
memory/4708-195-0x000002244B400000-0x000002244B41E000-memory.dmp
memory/4708-182-0x0000022446910000-0x0000022446C10000-memory.dmp
memory/4708-178-0x0000022446100000-0x000002244610A000-memory.dmp
memory/4708-177-0x0000022446890000-0x0000022446906000-memory.dmp
memory/4708-176-0x00000224467B0000-0x0000022446812000-memory.dmp
memory/4708-175-0x0000022446730000-0x00000224467AA000-memory.dmp
memory/4708-174-0x0000022446680000-0x0000022446732000-memory.dmp
memory/4708-172-0x00000224465F0000-0x00000224465FA000-memory.dmp
memory/4708-171-0x0000022446480000-0x00000224464A4000-memory.dmp
memory/4708-170-0x00000224463F0000-0x0000022446404000-memory.dmp
memory/4708-168-0x0000022446160000-0x0000022446170000-memory.dmp
memory/4708-169-0x0000022446400000-0x000002244640C000-memory.dmp
memory/4708-167-0x00000224462E0000-0x00000224463F0000-memory.dmp
memory/4708-166-0x00000224282F0000-0x000002242BBE8000-memory.dmp
memory/4888-165-0x0000000000400000-0x00000000008AD000-memory.dmp
memory/4888-154-0x0000000000400000-0x00000000008AD000-memory.dmp