Analysis
- max time kernel
128s - max time network
132s - platform
windows11-21h2_x64 - resource
win11-20240426-en - resource tags
- submitted
03/05/2024, 12:56
General
- Target aec91cf3efad7ae6bf269461aaf5905b875bc3caa5061f3a4733e3ff424ed1ab.exe
- Size 462KB
- Sample240503-p6c4daah72
- SHA256 aec91cf3efad7ae6bf269461aaf5905b875bc3caa5061f3a4733e3ff424ed1ab
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 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).
- 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 28 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
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C:\Users\Admin\AppData\Local\Temp\aec91cf3efad7ae6bf269461aaf5905b875bc3caa5061f3a4733e3ff424ed1ab.exe"C:\Users\Admin\AppData\Local\Temp\aec91cf3efad7ae6bf269461aaf5905b875bc3caa5061f3a4733e3ff424ed1ab.exe"1⤵
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\u3u0.0.exe"C:\Users\Admin\AppData\Local\Temp\u3u0.0.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4864 -s 24083⤵
- Program crash
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-
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C:\Users\Admin\AppData\Local\Temp\u3u0.2\run.exe"C:\Users\Admin\AppData\Local\Temp\u3u0.2\run.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- 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 behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
-
-
-
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C:\Users\Admin\AppData\Local\Temp\u3u0.3.exe"C:\Users\Admin\AppData\Local\Temp\u3u0.3.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 4968 -s 16242⤵
- Program crash
-
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 4968 -ip 49681⤵
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 552 -p 4864 -ip 48641⤵
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
Are.docx
mozglue.dll
nss3.dll
9b2befdb
ioloDMLog.txt
tmpE64.tmp
tmpE95.tmp
u3u0.0.exe
u3u0.1.zip
ASUS_WMI.dll
ATKEX.dll
AsIO.dll
doubled.doc
protactinium.log
run.exe
u3u0.3.exe
memory/412-260-0x0000000000400000-0x00000000008AD000-memory.dmp
memory/412-248-0x0000000000400000-0x00000000008AD000-memory.dmp
memory/1884-221-0x0000000072C90000-0x0000000072E0D000-memory.dmp
memory/1884-160-0x0000000072C90000-0x0000000072E0D000-memory.dmp
memory/1884-161-0x00007FFD22F60000-0x00007FFD23169000-memory.dmp
memory/2956-246-0x00007FFD22F60000-0x00007FFD23169000-memory.dmp
memory/2956-292-0x0000000072C90000-0x0000000072E0D000-memory.dmp
memory/4424-302-0x0000000005760000-0x00000000057B0000-memory.dmp
memory/4424-306-0x00000000063B0000-0x0000000006416000-memory.dmp
memory/4424-301-0x00000000056E0000-0x0000000005756000-memory.dmp
memory/4424-300-0x00000000058B0000-0x0000000005A72000-memory.dmp
memory/4424-305-0x0000000005C20000-0x0000000005C3E000-memory.dmp
memory/4424-304-0x0000000006870000-0x0000000006D9C000-memory.dmp
memory/4424-325-0x0000000007E50000-0x0000000007E5A000-memory.dmp
memory/4424-303-0x0000000005590000-0x000000000559A000-memory.dmp
memory/4424-299-0x0000000005C90000-0x0000000006236000-memory.dmp
memory/4424-298-0x0000000005640000-0x00000000056D2000-memory.dmp
memory/4424-297-0x0000000000E10000-0x0000000000ED6000-memory.dmp
memory/4424-294-0x0000000071790000-0x0000000072AA7000-memory.dmp
memory/4800-263-0x0000018EDF700000-0x0000018EDF710000-memory.dmp
memory/4800-287-0x0000018EFE790000-0x0000018EFE7E0000-memory.dmp
memory/4800-267-0x0000018EF9AC0000-0x0000018EF9ACA000-memory.dmp
memory/4800-268-0x0000018EF9CA0000-0x0000018EF9CCA000-memory.dmp
memory/4800-269-0x0000018EF9CD0000-0x0000018EF9D82000-memory.dmp
memory/4800-272-0x0000018EF9EE0000-0x0000018EF9F56000-memory.dmp
memory/4800-271-0x0000018EF9E00000-0x0000018EF9E62000-memory.dmp
memory/4800-270-0x0000018EF9D80000-0x0000018EF9DFA000-memory.dmp
memory/4800-273-0x0000018EE10B0000-0x0000018EE10BA000-memory.dmp
memory/4800-277-0x0000018EF9F60000-0x0000018EFA260000-memory.dmp
memory/4800-279-0x0000018EFDBD0000-0x0000018EFDBD8000-memory.dmp
memory/4800-280-0x0000018EFE2D0000-0x0000018EFE308000-memory.dmp
memory/4800-281-0x0000018EFDBE0000-0x0000018EFDBEE000-memory.dmp
memory/4800-282-0x0000018E80580000-0x0000018E8058A000-memory.dmp
memory/4800-283-0x0000018E80590000-0x0000018E805B2000-memory.dmp
memory/4800-284-0x0000018E80AE0000-0x0000018E81008000-memory.dmp
memory/4800-288-0x0000018E80300000-0x0000018E8030C000-memory.dmp
memory/4800-266-0x0000018EF9B20000-0x0000018EF9B44000-memory.dmp
memory/4800-289-0x0000018EFE310000-0x0000018EFE332000-memory.dmp
memory/4800-290-0x0000018EFE290000-0x0000018EFE2AE000-memory.dmp
memory/4800-265-0x0000018EDF750000-0x0000018EDF764000-memory.dmp
memory/4800-261-0x0000018EDB990000-0x0000018EDF288000-memory.dmp
memory/4800-264-0x0000018EDF770000-0x0000018EDF77C000-memory.dmp
memory/4800-262-0x0000018EF99B0000-0x0000018EF9AC0000-memory.dmp
memory/4864-245-0x0000000000400000-0x0000000001A1A000-memory.dmp
memory/4864-244-0x0000000000400000-0x0000000001A1A000-memory.dmp
memory/4864-19-0x0000000061E00000-0x0000000061EF3000-memory.dmp
memory/4864-18-0x0000000000400000-0x0000000001A1A000-memory.dmp
memory/4864-17-0x0000000000400000-0x0000000001A1A000-memory.dmp
memory/4864-16-0x0000000000400000-0x0000000001A1A000-memory.dmp
memory/4968-3-0x0000000000400000-0x0000000000470000-memory.dmp
memory/4968-184-0x0000000000400000-0x0000000001A3E000-memory.dmp
memory/4968-188-0x0000000000400000-0x0000000000470000-memory.dmp
memory/4968-1-0x0000000001E10000-0x0000000001F10000-memory.dmp
memory/4968-2-0x00000000037B0000-0x000000000381D000-memory.dmp