Analysis
- max time kernel
147s - max time network
150s - platform
windows11-21h2_x64 - resource
win11-20240419-en - resource tags
- submitted
03/05/2024, 00:17
General
- Target 73759cf858da73787b7ae246936539f96701919f5423a16a9ea546e2af7b1c1d.exe
- Size 445KB
- Sample240503-albbqaab81
- SHA256 73759cf858da73787b7ae246936539f96701919f5423a16a9ea546e2af7b1c1d
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\73759cf858da73787b7ae246936539f96701919f5423a16a9ea546e2af7b1c1d.exe"C:\Users\Admin\AppData\Local\Temp\73759cf858da73787b7ae246936539f96701919f5423a16a9ea546e2af7b1c1d.exe"1⤵
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\u3es.0.exe"C:\Users\Admin\AppData\Local\Temp\u3es.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 1340 -s 24203⤵
- Program crash
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C:\Users\Admin\AppData\Local\Temp\u3es.2\run.exe"C:\Users\Admin\AppData\Local\Temp\u3es.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\u3es.3.exe"C:\Users\Admin\AppData\Local\Temp\u3es.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 4420 -s 10402⤵
- Program crash
-
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 4420 -ip 44201⤵
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 576 -p 1340 -ip 13401⤵
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
Are.docx
mozglue.dll
nss3.dll
28c1f579
ioloDMLog.txt
tmp9046.tmp
tmp9058.tmp
u3es.0.exe
u3es.1.zip
ASUS_WMI.dll
ATKEX.dll
AsIO.dll
doubled.doc
protactinium.log
run.exe
u3es.3.exe
memory/644-308-0x0000000000400000-0x00000000008AD000-memory.dmp
memory/1000-121-0x0000000073800000-0x000000007397D000-memory.dmp
memory/1000-131-0x0000000073800000-0x000000007397D000-memory.dmp
memory/1000-122-0x00007FFF4D300000-0x00007FFF4D509000-memory.dmp
memory/1340-130-0x0000000000400000-0x0000000002B09000-memory.dmp
memory/1340-134-0x0000000000400000-0x0000000002B09000-memory.dmp
memory/1340-189-0x0000000000400000-0x0000000002B09000-memory.dmp
memory/1340-140-0x0000000061E00000-0x0000000061EF3000-memory.dmp
memory/1340-229-0x0000000000400000-0x0000000002B09000-memory.dmp
memory/1340-174-0x0000000000400000-0x0000000002B09000-memory.dmp
memory/1340-268-0x0000000000400000-0x0000000002B09000-memory.dmp
memory/1340-309-0x0000000000400000-0x0000000002B09000-memory.dmp
memory/1340-197-0x0000000000400000-0x0000000002B09000-memory.dmp
memory/1796-314-0x000001A400110000-0x000001A400124000-memory.dmp
memory/1796-310-0x000001A461FD0000-0x000001A4658C8000-memory.dmp
memory/1796-339-0x000001A467690000-0x000001A4676AE000-memory.dmp
memory/1796-338-0x000001A467660000-0x000001A467682000-memory.dmp
memory/1796-336-0x000001A47FF50000-0x000001A47FFA0000-memory.dmp
memory/1796-337-0x000001A404AA0000-0x000001A404AAC000-memory.dmp
memory/1796-333-0x000001A405620000-0x000001A405B48000-memory.dmp
memory/1796-332-0x000001A404A80000-0x000001A404AA2000-memory.dmp
memory/1796-331-0x000001A404A70000-0x000001A404A7A000-memory.dmp
memory/1796-330-0x000001A465D40000-0x000001A465D4E000-memory.dmp
memory/1796-329-0x000001A47FF10000-0x000001A47FF48000-memory.dmp
memory/1796-328-0x000001A465D30000-0x000001A465D38000-memory.dmp
memory/1796-326-0x000001A400650000-0x000001A400950000-memory.dmp
memory/1796-322-0x000001A400200000-0x000001A40020A000-memory.dmp
memory/1796-320-0x000001A4005F0000-0x000001A400652000-memory.dmp
memory/1796-321-0x000001A47FFF0000-0x000001A480066000-memory.dmp
memory/1796-319-0x000001A400570000-0x000001A4005EA000-memory.dmp
memory/1796-318-0x000001A400540000-0x000001A40056A000-memory.dmp
memory/1796-317-0x000001A400490000-0x000001A400542000-memory.dmp
memory/1796-316-0x000001A4001B0000-0x000001A4001BA000-memory.dmp
memory/1796-315-0x000001A400180000-0x000001A4001A4000-memory.dmp
memory/1796-312-0x000001A400100000-0x000001A400110000-memory.dmp
memory/1796-313-0x000001A400120000-0x000001A40012C000-memory.dmp
memory/1796-311-0x000001A400220000-0x000001A400330000-memory.dmp
memory/4420-2-0x00000000030A0000-0x000000000310D000-memory.dmp
memory/4420-128-0x0000000000400000-0x0000000002B2D000-memory.dmp
memory/4420-3-0x0000000000400000-0x0000000000470000-memory.dmp
memory/4420-4-0x0000000000400000-0x0000000002B2D000-memory.dmp
memory/4420-1-0x0000000002E90000-0x0000000002F90000-memory.dmp
memory/4420-5-0x0000000000400000-0x0000000002B2D000-memory.dmp
memory/4420-18-0x0000000002E90000-0x0000000002F90000-memory.dmp
memory/4420-266-0x0000000000400000-0x0000000002B2D000-memory.dmp
memory/4420-267-0x0000000000400000-0x0000000000470000-memory.dmp
memory/4420-129-0x0000000000400000-0x0000000000470000-memory.dmp
memory/4536-201-0x0000000006520000-0x0000000006586000-memory.dmp
memory/4536-200-0x0000000006470000-0x000000000648E000-memory.dmp
memory/4536-184-0x00000000058B0000-0x0000000005926000-memory.dmp
memory/4536-228-0x0000000007CB0000-0x0000000007CBA000-memory.dmp
memory/4536-176-0x0000000071B40000-0x0000000072E57000-memory.dmp
memory/4536-179-0x0000000000FA0000-0x0000000001066000-memory.dmp
memory/4536-183-0x0000000005A80000-0x0000000005C42000-memory.dmp
memory/4536-185-0x0000000005930000-0x0000000005980000-memory.dmp
memory/4536-199-0x0000000006980000-0x0000000006EAC000-memory.dmp
memory/4536-198-0x0000000005720000-0x000000000572A000-memory.dmp
memory/4536-181-0x0000000005740000-0x00000000057D2000-memory.dmp
memory/4536-182-0x0000000005DA0000-0x0000000006346000-memory.dmp
memory/4932-135-0x00007FFF4D300000-0x00007FFF4D509000-memory.dmp
memory/4932-173-0x0000000073800000-0x000000007397D000-memory.dmp