Analysis
- max time kernel
131s - max time network
137s - platform
windows11-21h2_x64 - resource
win11-20240419-en - resource tags
- submitted
03/05/2024, 20:17
General
- Target f0c78408b8c12a80cd9b962bb269a708c11d75f7d10557ba591c122402784999.exe
- Size 480KB
- Sample240503-y2vbjaed5v
- SHA256 f0c78408b8c12a80cd9b962bb269a708c11d75f7d10557ba591c122402784999
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 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 WriteProcessMemory 20 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\f0c78408b8c12a80cd9b962bb269a708c11d75f7d10557ba591c122402784999.exe"C:\Users\Admin\AppData\Local\Temp\f0c78408b8c12a80cd9b962bb269a708c11d75f7d10557ba591c122402784999.exe"1⤵
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\u2co.0.exe"C:\Users\Admin\AppData\Local\Temp\u2co.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 3332 -s 24483⤵
- Program crash
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C:\Users\Admin\AppData\Local\Temp\u2co.2\run.exe"C:\Users\Admin\AppData\Local\Temp\u2co.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 use of AdjustPrivilegeToken
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-
-
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C:\Users\Admin\AppData\Local\Temp\u2co.3.exe"C:\Users\Admin\AppData\Local\Temp\u2co.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 3048 -s 16122⤵
- Program crash
-
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 3048 -ip 30481⤵
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 556 -p 3332 -ip 33321⤵
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
Are.docx
mozglue.dll
nss3.dll
9bba5fb2
tmpD7F2.tmp
tmpD814.tmp
u2co.0.exe
u2co.1.zip
ASUS_WMI.dll
ATKEX.dll
AsIO.dll
doubled.doc
protactinium.log
run.exe
u2co.3.exe
memory/1128-242-0x00007FF8C4680000-0x00007FF8C4889000-memory.dmp
memory/1128-275-0x0000000072F10000-0x000000007308D000-memory.dmp
memory/1460-120-0x0000000072F10000-0x000000007308D000-memory.dmp
memory/1460-223-0x0000000072F10000-0x000000007308D000-memory.dmp
memory/1460-121-0x00007FF8C4680000-0x00007FF8C4889000-memory.dmp
memory/2764-298-0x0000000005A10000-0x0000000005A60000-memory.dmp
memory/2764-297-0x0000000005AB0000-0x0000000005B26000-memory.dmp
memory/2764-301-0x0000000006630000-0x000000000664E000-memory.dmp
memory/2764-302-0x0000000006700000-0x0000000006766000-memory.dmp
memory/2764-299-0x00000000059B0000-0x00000000059BA000-memory.dmp
memory/2764-296-0x0000000005C80000-0x0000000005E42000-memory.dmp
memory/2764-300-0x0000000006B40000-0x000000000706C000-memory.dmp
memory/2764-295-0x0000000005F60000-0x0000000006506000-memory.dmp
memory/2764-294-0x0000000005910000-0x00000000059A2000-memory.dmp
memory/2764-293-0x0000000001180000-0x0000000001246000-memory.dmp
memory/2764-290-0x0000000073490000-0x00000000747A7000-memory.dmp
memory/2796-279-0x000002397A750000-0x000002397A75A000-memory.dmp
memory/2796-257-0x0000023957DC0000-0x000002395B6B8000-memory.dmp
memory/2796-261-0x000002395D340000-0x000002395D354000-memory.dmp
memory/2796-262-0x000002395D3F0000-0x000002395D414000-memory.dmp
memory/2796-263-0x0000023975F50000-0x0000023975F5A000-memory.dmp
memory/2796-264-0x0000023976160000-0x0000023976212000-memory.dmp
memory/2796-265-0x0000023975F70000-0x0000023975F9A000-memory.dmp
memory/2796-268-0x0000023976310000-0x0000023976386000-memory.dmp
memory/2796-267-0x0000023975FA0000-0x0000023976002000-memory.dmp
memory/2796-266-0x0000023976210000-0x000002397628A000-memory.dmp
memory/2796-269-0x000002395BCB0000-0x000002395BCBA000-memory.dmp
memory/2796-273-0x0000023976390000-0x0000023976690000-memory.dmp
memory/2796-260-0x000002395D350000-0x000002395D35C000-memory.dmp
memory/2796-276-0x000002397ADB0000-0x000002397ADB8000-memory.dmp
memory/2796-277-0x000002397A6F0000-0x000002397A728000-memory.dmp
memory/2796-278-0x000002397A6C0000-0x000002397A6CE000-memory.dmp
memory/2796-280-0x000002397ADF0000-0x000002397AE12000-memory.dmp
memory/2796-259-0x000002395D330000-0x000002395D340000-memory.dmp
memory/2796-281-0x000002397B340000-0x000002397B868000-memory.dmp
memory/2796-285-0x000002397A760000-0x000002397A76C000-memory.dmp
memory/2796-284-0x000002397AE60000-0x000002397AEB0000-memory.dmp
memory/2796-286-0x000002397B130000-0x000002397B152000-memory.dmp
memory/2796-287-0x000002397AE40000-0x000002397AE5E000-memory.dmp
memory/2796-258-0x0000023975E30000-0x0000023975F40000-memory.dmp
memory/3048-1-0x0000000001C50000-0x0000000001D50000-memory.dmp
memory/3048-180-0x0000000000400000-0x0000000001A42000-memory.dmp
memory/3048-181-0x0000000003630000-0x000000000369D000-memory.dmp
memory/3048-182-0x0000000000400000-0x0000000000470000-memory.dmp
memory/3048-3-0x0000000000400000-0x0000000000470000-memory.dmp
memory/3048-2-0x0000000003630000-0x000000000369D000-memory.dmp
memory/3332-226-0x0000000000400000-0x0000000001A1E000-memory.dmp
memory/3332-127-0x0000000061E00000-0x0000000061EF3000-memory.dmp
memory/3332-17-0x0000000000400000-0x0000000001A1E000-memory.dmp
memory/3332-16-0x0000000000400000-0x0000000001A1E000-memory.dmp
memory/4800-256-0x0000000000400000-0x00000000008AD000-memory.dmp
memory/4800-244-0x0000000000400000-0x00000000008AD000-memory.dmp