Analysis
- max time kernel
145s - max time network
147s - platform
windows11-21h2_x64 - resource
win11-20240426-en - resource tags
- submitted
29/04/2024, 07:08
General
- Target 9978192a35690f80313bb98b6ee7d7913ade16fee00b6948ffc1a75cdae1dea6.exe
- Size 347KB
- Sample240429-hyg9ssdb53
- SHA256 9978192a35690f80313bb98b6ee7d7913ade16fee00b6948ffc1a75cdae1dea6
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 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 3 IoCs
- Suspicious use of WriteProcessMemory 20 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\9978192a35690f80313bb98b6ee7d7913ade16fee00b6948ffc1a75cdae1dea6.exe"C:\Users\Admin\AppData\Local\Temp\9978192a35690f80313bb98b6ee7d7913ade16fee00b6948ffc1a75cdae1dea6.exe"1⤵
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\u3n4.0.exe"C:\Users\Admin\AppData\Local\Temp\u3n4.0.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 4732 -s 24283⤵
- Program crash
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-
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C:\Users\Admin\AppData\Local\Temp\u3n4.2\run.exe"C:\Users\Admin\AppData\Local\Temp\u3n4.2\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\u3n4.3.exe"C:\Users\Admin\AppData\Local\Temp\u3n4.3.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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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4720 -s 11482⤵
- Program crash
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 4720 -ip 47201⤵
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 400 -p 4732 -ip 47321⤵
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
Are.docx
mozglue.dll
nss3.dll
c7e8e3f3
ioloDMLog.txt
tmpEC45.tmp
tmpEC77.tmp
u3n4.0.exe
u3n4.1.zip
UIxMarketPlugin.dll
bunch.dat
relay.dll
run.exe
whale.dbf
u3n4.3.exe
memory/1108-188-0x00007FFAEE280000-0x00007FFAEE489000-memory.dmp
memory/1108-272-0x00000000726B0000-0x000000007282D000-memory.dmp
memory/1980-126-0x00000000726B0000-0x000000007282D000-memory.dmp
memory/1980-100-0x00007FFAEE280000-0x00007FFAEE489000-memory.dmp
memory/1980-99-0x00000000726B0000-0x000000007282D000-memory.dmp
memory/3048-281-0x0000000005B20000-0x0000000005CE2000-memory.dmp
memory/3048-283-0x0000000005AA0000-0x0000000005AF0000-memory.dmp
memory/3048-287-0x0000000006700000-0x0000000006766000-memory.dmp
memory/3048-282-0x00000000059D0000-0x0000000005A46000-memory.dmp
memory/3048-285-0x0000000006AE0000-0x000000000700C000-memory.dmp
memory/3048-286-0x0000000006630000-0x000000000664E000-memory.dmp
memory/3048-284-0x0000000005890000-0x000000000589A000-memory.dmp
memory/3048-280-0x0000000005F00000-0x00000000064A6000-memory.dmp
memory/3048-279-0x00000000058B0000-0x0000000005942000-memory.dmp
memory/3048-278-0x0000000001100000-0x00000000011C6000-memory.dmp
memory/3048-275-0x00000000728E0000-0x0000000073BF7000-memory.dmp
memory/3048-307-0x0000000007E50000-0x0000000007E5A000-memory.dmp
memory/4328-241-0x000001F2F2E30000-0x000001F2F2E5A000-memory.dmp
memory/4328-238-0x000001F2F29A0000-0x000001F2F29B4000-memory.dmp
memory/4328-223-0x000001F2D4BD0000-0x000001F2D84C8000-memory.dmp
memory/4328-242-0x000001F2F3160000-0x000001F2F3212000-memory.dmp
memory/4328-243-0x000001F2F2E60000-0x000001F2F2EDA000-memory.dmp
memory/4328-244-0x000001F2F3210000-0x000001F2F3272000-memory.dmp
memory/4328-245-0x000001F2F32F0000-0x000001F2F3366000-memory.dmp
memory/4328-246-0x000001F2F2980000-0x000001F2F298A000-memory.dmp
memory/4328-250-0x000001F2F3370000-0x000001F2F3670000-memory.dmp
memory/4328-252-0x000001F2F7D80000-0x000001F2F7D88000-memory.dmp
memory/4328-254-0x000001F2F7690000-0x000001F2F769E000-memory.dmp
memory/4328-253-0x000001F2F76C0000-0x000001F2F76F8000-memory.dmp
memory/4328-256-0x000001F2F8030000-0x000001F2F8052000-memory.dmp
memory/4328-255-0x000001F2F8020000-0x000001F2F802A000-memory.dmp
memory/4328-257-0x000001F2F8580000-0x000001F2F8AA8000-memory.dmp
memory/4328-261-0x000001F2F7DA0000-0x000001F2F7DAC000-memory.dmp
memory/4328-260-0x000001F2F7DF0000-0x000001F2F7E40000-memory.dmp
memory/4328-235-0x000001F2F2F00000-0x000001F2F3010000-memory.dmp
memory/4328-263-0x000001F2F7E40000-0x000001F2F7E62000-memory.dmp
memory/4328-240-0x000001F2F2E10000-0x000001F2F2E1A000-memory.dmp
memory/4328-269-0x000001F2F3790000-0x000001F2F37AE000-memory.dmp
memory/4328-237-0x000001F2F29B0000-0x000001F2F29BC000-memory.dmp
memory/4328-239-0x000001F2F2A20000-0x000001F2F2A44000-memory.dmp
memory/4328-273-0x000001F2F2C50000-0x000001F2F2E03000-memory.dmp
memory/4328-236-0x000001F2D89B0000-0x000001F2D89C0000-memory.dmp
memory/4720-124-0x0000000000400000-0x0000000002B15000-memory.dmp
memory/4720-2-0x0000000004840000-0x00000000048AD000-memory.dmp
memory/4720-1-0x0000000002C20000-0x0000000002D20000-memory.dmp
memory/4720-3-0x0000000000400000-0x0000000002B15000-memory.dmp
memory/4720-28-0x0000000000400000-0x0000000002B15000-memory.dmp
memory/4720-125-0x0000000004840000-0x00000000048AD000-memory.dmp
memory/4732-131-0x0000000061E00000-0x0000000061EF3000-memory.dmp
memory/4732-129-0x0000000002C00000-0x0000000002D00000-memory.dmp
memory/4732-270-0x0000000000400000-0x0000000002AF0000-memory.dmp
memory/4732-184-0x0000000000400000-0x0000000002AF0000-memory.dmp
memory/4732-262-0x0000000000400000-0x0000000002AF0000-memory.dmp
memory/4924-190-0x0000000000400000-0x00000000008AD000-memory.dmp
memory/4924-205-0x0000000000400000-0x00000000008AD000-memory.dmp