Analysis
- max time kernel
146s - max time network
150s - platform
windows11-21h2_x64 - resource
win11-20240419-en - resource tags
- submitted
03/05/2024, 13:10
General
- Target 142211569886d0615e4f7464784b14acfce17cbab3eb432ab10d25eb44afc6ec.exe
- Size 455KB
- Sample240503-qeb8fabb65
- SHA256 142211569886d0615e4f7464784b14acfce17cbab3eb432ab10d25eb44afc6ec
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
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C:\Users\Admin\AppData\Local\Temp\142211569886d0615e4f7464784b14acfce17cbab3eb432ab10d25eb44afc6ec.exe"C:\Users\Admin\AppData\Local\Temp\142211569886d0615e4f7464784b14acfce17cbab3eb432ab10d25eb44afc6ec.exe"1⤵
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\u3wg.0.exe"C:\Users\Admin\AppData\Local\Temp\u3wg.0.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2612 -s 24203⤵
- Program crash
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C:\Users\Admin\AppData\Local\Temp\u3wg.2\run.exe"C:\Users\Admin\AppData\Local\Temp\u3wg.2\run.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- 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 use of AdjustPrivilegeToken
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C:\Users\Admin\AppData\Local\Temp\u3wg.3.exe"C:\Users\Admin\AppData\Local\Temp\u3wg.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 5056 -s 11482⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 5056 -ip 50561⤵
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 492 -p 2612 -ip 26121⤵
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
Are.docx
mozglue.dll
nss3.dll
a5937853
tmp163.tmp
tmp186.tmp
u3wg.0.exe
u3wg.1.zip
ASUS_WMI.dll
ATKEX.dll
AsIO.dll
doubled.doc
protactinium.log
run.exe
u3wg.3.exe
memory/1492-259-0x0000000000400000-0x00000000008AD000-memory.dmp
memory/1492-248-0x0000000000400000-0x00000000008AD000-memory.dmp
memory/2080-302-0x0000000004E10000-0x0000000004E1A000-memory.dmp
memory/2080-299-0x00000000051F0000-0x00000000053B2000-memory.dmp
memory/2080-298-0x0000000005470000-0x0000000005A16000-memory.dmp
memory/2080-300-0x0000000004EC0000-0x0000000004F36000-memory.dmp
memory/2080-303-0x0000000006050000-0x000000000657C000-memory.dmp
memory/2080-304-0x0000000005B20000-0x0000000005B3E000-memory.dmp
memory/2080-297-0x0000000004D60000-0x0000000004DF2000-memory.dmp
memory/2080-305-0x0000000005BF0000-0x0000000005C56000-memory.dmp
memory/2080-296-0x0000000000730000-0x00000000007F6000-memory.dmp
memory/2080-293-0x0000000072A90000-0x0000000073DA7000-memory.dmp
memory/2080-301-0x0000000004F40000-0x0000000004F90000-memory.dmp
memory/2232-283-0x00000140521C0000-0x00000140526E8000-memory.dmp
memory/2232-281-0x0000014051C60000-0x0000014051C6A000-memory.dmp
memory/2232-261-0x000001404CB30000-0x000001404CC40000-memory.dmp
memory/2232-262-0x00000140328F0000-0x0000014032900000-memory.dmp
memory/2232-263-0x0000014034170000-0x000001403417C000-memory.dmp
memory/2232-264-0x0000014034160000-0x0000014034174000-memory.dmp
memory/2232-265-0x000001404CA20000-0x000001404CA44000-memory.dmp
memory/2232-266-0x000001404CA40000-0x000001404CA4A000-memory.dmp
memory/2232-267-0x000001404CD90000-0x000001404CE42000-memory.dmp
memory/2232-268-0x000001404CA60000-0x000001404CA8A000-memory.dmp
memory/2232-269-0x000001404CAA0000-0x000001404CB1A000-memory.dmp
memory/2232-270-0x000001404CE50000-0x000001404CEB2000-memory.dmp
memory/2232-271-0x000001404CF30000-0x000001404CFA6000-memory.dmp
memory/2232-272-0x0000014034140000-0x000001403414A000-memory.dmp
memory/2232-276-0x000001404CFB0000-0x000001404D2B0000-memory.dmp
memory/2232-278-0x0000014050C10000-0x0000014050C18000-memory.dmp
memory/2232-280-0x00000140512E0000-0x00000140512EE000-memory.dmp
memory/2232-279-0x0000014051310000-0x0000014051348000-memory.dmp
memory/2232-282-0x0000014051C70000-0x0000014051C92000-memory.dmp
memory/2232-260-0x000001402E9D0000-0x00000140322C8000-memory.dmp
memory/2232-289-0x0000014051AB0000-0x0000014051ACE000-memory.dmp
memory/2232-287-0x00000140519E0000-0x00000140519EC000-memory.dmp
memory/2232-286-0x0000014051A30000-0x0000014051A80000-memory.dmp
memory/2232-288-0x0000014051A80000-0x0000014051AA2000-memory.dmp
memory/2612-19-0x0000000061E00000-0x0000000061EF3000-memory.dmp
memory/2612-18-0x0000000000400000-0x0000000001A18000-memory.dmp
memory/2612-229-0x0000000000400000-0x0000000001A18000-memory.dmp
memory/2612-16-0x0000000000400000-0x0000000001A18000-memory.dmp
memory/2612-17-0x0000000000400000-0x0000000001A18000-memory.dmp
memory/4020-245-0x00007FFB004E0000-0x00007FFB006E9000-memory.dmp
memory/4020-291-0x0000000072500000-0x000000007267D000-memory.dmp
memory/4396-226-0x0000000072500000-0x000000007267D000-memory.dmp
memory/4396-166-0x00007FFB004E0000-0x00007FFB006E9000-memory.dmp
memory/4396-157-0x0000000072500000-0x000000007267D000-memory.dmp
memory/5056-185-0x0000000000400000-0x0000000000470000-memory.dmp
memory/5056-2-0x0000000003770000-0x00000000037DD000-memory.dmp
memory/5056-184-0x0000000000400000-0x0000000001A3C000-memory.dmp
memory/5056-1-0x0000000001CD0000-0x0000000001DD0000-memory.dmp
memory/5056-3-0x0000000000400000-0x0000000000470000-memory.dmp