Analysis
- max time kernel
147s - max time network
151s - platform
windows11-21h2_x64 - resource
win11-20240419-en - resource tags
- submitted
30/04/2024, 13:00
General
- Target 2f91c2df0fcb1d21e0a0e2f30a73249ae5bc9b099170e05373412b2a43232e08.exe
- Size 409KB
- Sample240430-p84dcahb89
- SHA256 2f91c2df0fcb1d21e0a0e2f30a73249ae5bc9b099170e05373412b2a43232e08
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 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
-
C:\Users\Admin\AppData\Local\Temp\2f91c2df0fcb1d21e0a0e2f30a73249ae5bc9b099170e05373412b2a43232e08.exe"C:\Users\Admin\AppData\Local\Temp\2f91c2df0fcb1d21e0a0e2f30a73249ae5bc9b099170e05373412b2a43232e08.exe"1⤵
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\u1m4.0.exe"C:\Users\Admin\AppData\Local\Temp\u1m4.0.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 2720 -s 23803⤵
- Program crash
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-
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C:\Users\Admin\AppData\Local\Temp\u1m4.2\run.exe"C:\Users\Admin\AppData\Local\Temp\u1m4.2\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 behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
-
-
-
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C:\Users\Admin\AppData\Local\Temp\u1m4.3.exe"C:\Users\Admin\AppData\Local\Temp\u1m4.3.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 2092 -s 11642⤵
- Program crash
-
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 2092 -ip 20921⤵
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 2720 -ip 27201⤵
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
Are.docx
mozglue.dll
nss3.dll
c0c0bbee
ioloDMLog.txt
tmp1A4A.tmp
tmp1A7C.tmp
u1m4.0.exe
u1m4.1.zip
UIxMarketPlugin.dll
bunch.dat
relay.dll
run.exe
whale.dbf
u1m4.3.exe
memory/968-280-0x0000000005B30000-0x0000000005BC2000-memory.dmp
memory/968-307-0x00000000083D0000-0x00000000083DA000-memory.dmp
memory/968-281-0x0000000006220000-0x00000000067C6000-memory.dmp
memory/968-279-0x0000000001380000-0x0000000001446000-memory.dmp
memory/968-282-0x0000000005E40000-0x0000000006002000-memory.dmp
memory/968-283-0x0000000005C70000-0x0000000005CE6000-memory.dmp
memory/968-284-0x0000000005CF0000-0x0000000005D40000-memory.dmp
memory/968-285-0x0000000005B10000-0x0000000005B1A000-memory.dmp
memory/968-286-0x0000000006E00000-0x000000000732C000-memory.dmp
memory/968-287-0x0000000006180000-0x000000000619E000-memory.dmp
memory/968-288-0x0000000006940000-0x00000000069A6000-memory.dmp
memory/968-276-0x0000000072F20000-0x0000000074237000-memory.dmp
memory/1436-241-0x0000000000400000-0x00000000008AD000-memory.dmp
memory/1436-242-0x0000000000400000-0x00000000008AD000-memory.dmp
memory/1800-228-0x00007FFEB3240000-0x00007FFEB3449000-memory.dmp
memory/1800-272-0x0000000072790000-0x000000007290D000-memory.dmp
memory/2092-204-0x0000000000400000-0x0000000001A32000-memory.dmp
memory/2092-1-0x0000000001C10000-0x0000000001D10000-memory.dmp
memory/2092-2-0x0000000003750000-0x00000000037BD000-memory.dmp
memory/2092-3-0x0000000000400000-0x0000000001A32000-memory.dmp
memory/2392-210-0x0000000072790000-0x000000007290D000-memory.dmp
memory/2392-147-0x00007FFEB3240000-0x00007FFEB3449000-memory.dmp
memory/2392-146-0x0000000072790000-0x000000007290D000-memory.dmp
memory/2720-17-0x0000000003710000-0x0000000003737000-memory.dmp
memory/2720-16-0x0000000001AA0000-0x0000000001BA0000-memory.dmp
memory/2720-209-0x0000000000400000-0x0000000001A0E000-memory.dmp
memory/2720-18-0x0000000000400000-0x0000000001A0E000-memory.dmp
memory/2720-19-0x0000000061E00000-0x0000000061EF3000-memory.dmp
memory/3784-247-0x00000197D1CE0000-0x00000197D1CF4000-memory.dmp
memory/3784-263-0x00000197D6840000-0x00000197D684E000-memory.dmp
memory/3784-265-0x00000197D71A0000-0x00000197D71C2000-memory.dmp
memory/3784-264-0x00000197D7190000-0x00000197D719A000-memory.dmp
memory/3784-266-0x00000197D76F0000-0x00000197D7C18000-memory.dmp
memory/3784-270-0x00000197D6F10000-0x00000197D6F1C000-memory.dmp
memory/3784-269-0x00000197D6F60000-0x00000197D6FB0000-memory.dmp
memory/3784-271-0x00000197D6FB0000-0x00000197D6FD2000-memory.dmp
memory/3784-262-0x00000197D6870000-0x00000197D68A8000-memory.dmp
memory/3784-273-0x00000197D6FE0000-0x00000197D6FFE000-memory.dmp
memory/3784-261-0x00000197D6EF0000-0x00000197D6EF8000-memory.dmp
memory/3784-259-0x00000197D24F0000-0x00000197D27F0000-memory.dmp
memory/3784-255-0x00000197B95F0000-0x00000197B95FA000-memory.dmp
memory/3784-251-0x00000197D2310000-0x00000197D238A000-memory.dmp
memory/3784-254-0x00000197D2470000-0x00000197D24E6000-memory.dmp
memory/3784-252-0x00000197D2390000-0x00000197D23F2000-memory.dmp
memory/3784-253-0x00000197D22E0000-0x00000197D230A000-memory.dmp
memory/3784-250-0x00000197D1E90000-0x00000197D1F42000-memory.dmp
memory/3784-249-0x00000197D1D80000-0x00000197D1D8A000-memory.dmp
memory/3784-248-0x00000197D1D50000-0x00000197D1D74000-memory.dmp
memory/3784-245-0x00000197B7CF0000-0x00000197B7D00000-memory.dmp
memory/3784-246-0x00000197D1CF0000-0x00000197D1CFC000-memory.dmp
memory/3784-244-0x00000197D2080000-0x00000197D2190000-memory.dmp
memory/3784-243-0x00000197B3F00000-0x00000197B77F8000-memory.dmp