Analysis
- max time kernel
146s - max time network
147s - platform
windows11-21h2_x64 - resource
win11-20240419-en - resource tags
- submitted
01/05/2024, 12:40
General
- Target 2f3ced835d8cc75d04461fa3d1ce76e62fc99ec2774285851a441dd61a828ec5.exe
- Size 380KB
- Sample240501-pv673sfa3y
- SHA256 2f3ced835d8cc75d04461fa3d1ce76e62fc99ec2774285851a441dd61a828ec5
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\2f3ced835d8cc75d04461fa3d1ce76e62fc99ec2774285851a441dd61a828ec5.exe"C:\Users\Admin\AppData\Local\Temp\2f3ced835d8cc75d04461fa3d1ce76e62fc99ec2774285851a441dd61a828ec5.exe"1⤵
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\u2zs.0.exe"C:\Users\Admin\AppData\Local\Temp\u2zs.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 2740 -s 24363⤵
- Program crash
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-
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C:\Users\Admin\AppData\Local\Temp\u2zs.2\run.exe"C:\Users\Admin\AppData\Local\Temp\u2zs.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\u2zs.3.exe"C:\Users\Admin\AppData\Local\Temp\u2zs.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 3880 -s 16802⤵
- Program crash
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 3880 -ip 38801⤵
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 520 -p 2740 -ip 27401⤵
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
Are.docx
mozglue.dll
nss3.dll
e0bcea64
ioloDMLog.txt
tmpB66.tmp
tmpB88.tmp
u2zs.0.exe
u2zs.1.zip
UIxMarketPlugin.dll
bunch.dat
relay.dll
run.exe
whale.dbf
u2zs.3.exe
memory/1048-270-0x00000000058B0000-0x0000000005E56000-memory.dmp
memory/1048-268-0x0000000005260000-0x00000000052F2000-memory.dmp
memory/1048-264-0x0000000070B70000-0x0000000071E87000-memory.dmp
memory/1048-273-0x0000000005400000-0x0000000005450000-memory.dmp
memory/1048-272-0x0000000005380000-0x00000000053F6000-memory.dmp
memory/1048-271-0x00000000054D0000-0x0000000005692000-memory.dmp
memory/1048-276-0x0000000005F80000-0x0000000005F9E000-memory.dmp
memory/1048-275-0x0000000006490000-0x00000000069BC000-memory.dmp
memory/1048-274-0x0000000005310000-0x000000000531A000-memory.dmp
memory/1048-277-0x0000000006050000-0x00000000060B6000-memory.dmp
memory/1048-297-0x0000000007820000-0x000000000782A000-memory.dmp
memory/1048-267-0x0000000000B00000-0x0000000000BC6000-memory.dmp
memory/1156-197-0x0000000000400000-0x00000000008AD000-memory.dmp
memory/1156-229-0x0000000000400000-0x00000000008AD000-memory.dmp
memory/2052-261-0x0000016725B80000-0x0000016725B9E000-memory.dmp
memory/2052-251-0x0000016725100000-0x000001672510E000-memory.dmp
memory/2052-234-0x0000016707ED0000-0x0000016707EE4000-memory.dmp
memory/2052-235-0x0000016707F40000-0x0000016707F64000-memory.dmp
memory/2052-237-0x0000016720780000-0x0000016720832000-memory.dmp
memory/2052-238-0x0000016720BE0000-0x0000016720C0A000-memory.dmp
memory/2052-239-0x0000016720C10000-0x0000016720C8A000-memory.dmp
memory/2052-236-0x0000016707F70000-0x0000016707F7A000-memory.dmp
memory/2052-240-0x0000016720C90000-0x0000016720CF2000-memory.dmp
memory/2052-241-0x0000016720D70000-0x0000016720DE6000-memory.dmp
memory/2052-242-0x0000016706560000-0x000001670656A000-memory.dmp
memory/2052-232-0x0000016707EC0000-0x0000016707ED0000-memory.dmp
memory/2052-247-0x0000016720DF0000-0x00000167210F0000-memory.dmp
memory/2052-249-0x0000016724A30000-0x0000016724A38000-memory.dmp
memory/2052-250-0x0000016725140000-0x0000016725178000-memory.dmp
memory/2052-230-0x00000167027F0000-0x00000167060E8000-memory.dmp
memory/2052-253-0x0000016725810000-0x0000016725832000-memory.dmp
memory/2052-252-0x00000167251C0000-0x00000167251CA000-memory.dmp
memory/2052-254-0x0000016725D70000-0x0000016726298000-memory.dmp
memory/2052-258-0x0000016725830000-0x000001672583C000-memory.dmp
memory/2052-257-0x0000016725880000-0x00000167258D0000-memory.dmp
memory/2052-231-0x0000016720950000-0x0000016720A60000-memory.dmp
memory/2052-260-0x0000016725B50000-0x0000016725B72000-memory.dmp
memory/2052-233-0x0000016707EE0000-0x0000016707EEC000-memory.dmp
memory/2740-313-0x0000000000400000-0x0000000002AF9000-memory.dmp
memory/2740-259-0x0000000000400000-0x0000000002AF9000-memory.dmp
memory/2740-124-0x0000000061E00000-0x0000000061EF3000-memory.dmp
memory/2740-269-0x0000000002E00000-0x0000000002F00000-memory.dmp
memory/2740-193-0x0000000000400000-0x0000000002AF9000-memory.dmp
memory/2740-307-0x0000000000400000-0x0000000002AF9000-memory.dmp
memory/2740-165-0x0000000000400000-0x0000000002AF9000-memory.dmp
memory/2740-109-0x0000000002E00000-0x0000000002F00000-memory.dmp
memory/3844-243-0x00000000722A0000-0x000000007241D000-memory.dmp
memory/3844-169-0x00007FFC8FCE0000-0x00007FFC8FEE9000-memory.dmp
memory/3880-164-0x0000000000400000-0x0000000002B1D000-memory.dmp
memory/3880-16-0x0000000000400000-0x0000000002B1D000-memory.dmp
memory/3880-3-0x0000000000400000-0x0000000002B1D000-memory.dmp
memory/3880-2-0x0000000003090000-0x00000000030FD000-memory.dmp
memory/3880-1-0x0000000002D80000-0x0000000002E80000-memory.dmp
memory/5108-140-0x00000000722A0000-0x000000007241D000-memory.dmp
memory/5108-103-0x00007FFC8FCE0000-0x00007FFC8FEE9000-memory.dmp
memory/5108-102-0x00000000722A0000-0x000000007241D000-memory.dmp