Analysis
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max time kernel
121s -
max time network
121s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
09-01-2025 00:04
Static task
static1
Behavioral task
behavioral1
Sample
Nexol.exe
Resource
win7-20240903-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/1880-1-0x0000000000CD0000-0x0000000000D3A000-memory.dmp net_reactor -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1880 set thread context of 2824 1880 Nexol.exe 32 -
Program crash 1 IoCs
pid pid_target Process procid_target 1424 1880 WerFault.exe 30 -
System Location Discovery: System Language Discovery 1 TTPs 1 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 -
Suspicious use of WriteProcessMemory 14 IoCs
description pid Process procid_target PID 1880 wrote to memory of 2824 1880 Nexol.exe 32 PID 1880 wrote to memory of 2824 1880 Nexol.exe 32 PID 1880 wrote to memory of 2824 1880 Nexol.exe 32 PID 1880 wrote to memory of 2824 1880 Nexol.exe 32 PID 1880 wrote to memory of 2824 1880 Nexol.exe 32 PID 1880 wrote to memory of 2824 1880 Nexol.exe 32 PID 1880 wrote to memory of 2824 1880 Nexol.exe 32 PID 1880 wrote to memory of 2824 1880 Nexol.exe 32 PID 1880 wrote to memory of 2824 1880 Nexol.exe 32 PID 1880 wrote to memory of 2824 1880 Nexol.exe 32 PID 1880 wrote to memory of 1424 1880 Nexol.exe 33 PID 1880 wrote to memory of 1424 1880 Nexol.exe 33 PID 1880 wrote to memory of 1424 1880 Nexol.exe 33 PID 1880 wrote to memory of 1424 1880 Nexol.exe 33
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:1880 -
C:\Users\Admin\AppData\Local\Temp\Nexol.exe"C:\Users\Admin\AppData\Local\Temp\Nexol.exe"2⤵PID:2824
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1880 -s 682⤵
- Program crash
PID:1424
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