Analysis
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max time kernel
98s -
max time network
129s -
platform
windows10-ltsc 2021_x64 -
resource
win10ltsc2021-20241211-en -
resource tags
arch:x64arch:x86image:win10ltsc2021-20241211-enlocale:en-usos:windows10-ltsc 2021-x64system -
submitted
08-01-2025 23:56
Static task
static1
Behavioral task
behavioral1
Sample
Nexol.exe
Resource
win10ltsc2021-20241211-en
General
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Target
Nexol.exe
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Size
400KB
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MD5
452a78e8f8426755df51232f79625d03
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SHA1
77ef222547c42d9c022f39e1ba1ef14295e2fd71
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SHA256
6260e990f752752a447c4fa2d65de92c6c793a9b725c55794c9e03270c143b47
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SHA512
546432493e592a86c3b05dd9ad2c0a9fb0d46f2523d3b9f36a8cb14a972a05ac6bc1686ca08bac987642c9b864df7f0772f7536738ab459dd2ef1d54106982e0
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SSDEEP
6144:80bS4ZyK0FboqEMJYYPN/6Ur3uZEqRryQml3khxPZ61yV4MWYguHOsvOX5LR4T6s:80b9ATBNPLuZUiZW84QguHjeRgP
Malware Config
Extracted
lumma
https://robinsharez.shop/api
https://handscreamny.shop/api
https://chipdonkeruz.shop/api
https://versersleep.shop/api
https://crowdwarek.shop/api
https://apporholis.shop/api
https://femalsabler.shop/api
https://soundtappysk.shop/api
Signatures
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Lumma family
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.NET Reactor proctector 1 IoCs
Detects an executable protected by an unregistered version of Eziriz's .NET Reactor.
resource yara_rule behavioral1/memory/880-1-0x0000000000470000-0x00000000004DA000-memory.dmp net_reactor -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 880 set thread context of 1516 880 Nexol.exe 86 -
Program crash 1 IoCs
pid pid_target Process procid_target 2348 880 WerFault.exe 81 -
System Location Discovery: System Language Discovery 1 TTPs 2 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language Nexol.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language Nexol.exe -
Suspicious use of WriteProcessMemory 15 IoCs
description pid Process procid_target PID 880 wrote to memory of 4584 880 Nexol.exe 84 PID 880 wrote to memory of 4584 880 Nexol.exe 84 PID 880 wrote to memory of 4584 880 Nexol.exe 84 PID 880 wrote to memory of 5080 880 Nexol.exe 85 PID 880 wrote to memory of 5080 880 Nexol.exe 85 PID 880 wrote to memory of 5080 880 Nexol.exe 85 PID 880 wrote to memory of 1516 880 Nexol.exe 86 PID 880 wrote to memory of 1516 880 Nexol.exe 86 PID 880 wrote to memory of 1516 880 Nexol.exe 86 PID 880 wrote to memory of 1516 880 Nexol.exe 86 PID 880 wrote to memory of 1516 880 Nexol.exe 86 PID 880 wrote to memory of 1516 880 Nexol.exe 86 PID 880 wrote to memory of 1516 880 Nexol.exe 86 PID 880 wrote to memory of 1516 880 Nexol.exe 86 PID 880 wrote to memory of 1516 880 Nexol.exe 86
Processes
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C:\Users\Admin\AppData\Local\Temp\Nexol.exe"C:\Users\Admin\AppData\Local\Temp\Nexol.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:880 -
C:\Users\Admin\AppData\Local\Temp\Nexol.exe"C:\Users\Admin\AppData\Local\Temp\Nexol.exe"2⤵PID:4584
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C:\Users\Admin\AppData\Local\Temp\Nexol.exe"C:\Users\Admin\AppData\Local\Temp\Nexol.exe"2⤵PID:5080
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C:\Users\Admin\AppData\Local\Temp\Nexol.exe"C:\Users\Admin\AppData\Local\Temp\Nexol.exe"2⤵
- System Location Discovery: System Language Discovery
PID:1516
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 880 -s 8522⤵
- Program crash
PID:2348
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 880 -ip 8801⤵PID:4080