Analysis
- max time kernel
132s - max time network
135s - platform
windows7_x64 - resource
win7-20240221-en - resource tags
- submitted
29/04/2024, 05:16
General
- Target 80a85759d45b1ebf79075db26015acb1.exe
- Size 451KB
- Sample240429-fx5btsbe27
- SHA256 276351bbf592f164b3c090947a16192199f8c51f70330b7e840a81aef7a2fb1f
Malware Config
Extracted
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stealc
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http://185.172.128.150
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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 16 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).
- 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 12 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 30 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\80a85759d45b1ebf79075db26015acb1.exe"C:\Users\Admin\AppData\Local\Temp\80a85759d45b1ebf79075db26015acb1.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\u1to.0.exe"C:\Users\Admin\AppData\Local\Temp\u1to.0.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
-
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C:\Users\Admin\AppData\Local\Temp\u1to.2\run.exe"C:\Users\Admin\AppData\Local\Temp\u1to.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
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C:\Windows\SysWOW64\cmd.exeC:\Windows\SysWOW64\cmd.exe3⤵
- Loads dropped DLL
- 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 behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
-
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C:\Users\Admin\AppData\Local\Temp\u1to.3.exe"C:\Users\Admin\AppData\Local\Temp\u1to.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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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
e60dcbfb86e04b1a917142a3db5ea055.tmp
U1TO1~1.ZIP
b3e08f79
tmpAAB2.tmp
u1to.0.exe
UIxMarketPlugin.dll
bunch.dat
relay.dll
run.exe
whale.dbf
u1to.3.exe
mozglue.dll
nss3.dll
memory/1252-170-0x0000000000400000-0x0000000002AF0000-memory.dmp
memory/1252-20-0x0000000061E00000-0x0000000061EF3000-memory.dmp
memory/1536-271-0x0000000000400000-0x00000000008AD000-memory.dmp
memory/1872-142-0x00000000770A0000-0x0000000077249000-memory.dmp
memory/1872-141-0x0000000073C20000-0x0000000073D94000-memory.dmp
memory/1872-211-0x0000000073C20000-0x0000000073D94000-memory.dmp
memory/2220-216-0x00000000770A0000-0x0000000077249000-memory.dmp
memory/2220-301-0x0000000073C20000-0x0000000073D94000-memory.dmp
memory/2348-273-0x000000001F0A0000-0x000000001F1B0000-memory.dmp
memory/2348-278-0x0000000000D10000-0x0000000000D1A000-memory.dmp
memory/2348-272-0x0000000000D20000-0x0000000004618000-memory.dmp
memory/2348-300-0x00000000005A0000-0x00000000005AA000-memory.dmp
memory/2348-275-0x00000000005E0000-0x00000000005EC000-memory.dmp
memory/2348-277-0x000000001E2B0000-0x000000001E2D4000-memory.dmp
memory/2348-276-0x00000000005D0000-0x00000000005E4000-memory.dmp
memory/2348-282-0x0000000000B90000-0x0000000000BF2000-memory.dmp
memory/2348-283-0x0000000000360000-0x000000000036A000-memory.dmp
memory/2348-287-0x0000000020070000-0x0000000020370000-memory.dmp
memory/2348-290-0x00000000005A0000-0x00000000005AA000-memory.dmp
memory/2348-289-0x00000000005A0000-0x00000000005AA000-memory.dmp
memory/2348-281-0x000000001FA30000-0x000000001FAAA000-memory.dmp
memory/2348-280-0x000000001ECF0000-0x000000001EDA2000-memory.dmp
memory/2348-279-0x000000001EA80000-0x000000001EAAA000-memory.dmp
memory/2348-299-0x00000000005A0000-0x00000000005AA000-memory.dmp
memory/2348-292-0x0000000005BA0000-0x0000000005BC2000-memory.dmp
memory/2348-291-0x0000000005B90000-0x0000000005B9A000-memory.dmp
memory/2348-274-0x0000000000400000-0x0000000000410000-memory.dmp
memory/2348-295-0x0000000005BC0000-0x0000000005BCC000-memory.dmp
memory/2364-186-0x0000000000400000-0x0000000001A3C000-memory.dmp
memory/2364-2-0x0000000001AB0000-0x0000000001B1D000-memory.dmp
memory/2364-187-0x00000000002C0000-0x00000000003C0000-memory.dmp
memory/2364-3-0x0000000000400000-0x0000000001A3C000-memory.dmp
memory/2364-1-0x00000000002C0000-0x00000000003C0000-memory.dmp
memory/2752-310-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp
memory/2752-308-0x0000000072620000-0x0000000073682000-memory.dmp
memory/2752-309-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp
memory/2752-311-0x0000000000400000-0x00000000004C6000-memory.dmp