Analysis
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max time kernel
148s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
03-01-2025 13:33
Static task
static1
Behavioral task
behavioral1
Sample
nayfObR.exe
Resource
win7-20241023-en
General
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Target
nayfObR.exe
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Size
522KB
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MD5
138fcf999a87419be2c7e5e036601466
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SHA1
7569a1444cd948145c966dbe0b47ffdb587f8681
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SHA256
960aa535a9712242c02a82c1f07530ae60e79bcbab15fcf0ebc6e7dbd636710b
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SHA512
afd574b7cf69012e1fd319c6e3825ff512c042c9917f5d7087ea88632516c9ab6bb30d48d465e18ba1be6e412a9ac728d609006af05df8577d7de2c938501c6d
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SSDEEP
12288:DztE0u86qlmk/345zA7Fv6vsVOzm9t/Gzr9AskP6f:DO0uYlmsozAAvsYkGzrOw
Malware Config
Extracted
lumma
https://cloudewahsj.shop/api
https://rabidcowse.shop/api
https://noisycuttej.shop/api
https://tirepublicerj.shop/api
https://framekgirus.shop/api
https://wholersorie.shop/api
https://abruptyopsn.shop/api
https://nearycrepso.shop/api
https://fancywaxxers.shop/api
Extracted
lumma
https://fancywaxxers.shop/api
https://abruptyopsn.shop/api
https://wholersorie.shop/api
https://framekgirus.shop/api
https://tirepublicerj.shop/api
https://noisycuttej.shop/api
https://rabidcowse.shop/api
https://cloudewahsj.shop/api
Signatures
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Lumma family
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Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 3308 set thread context of 1196 3308 nayfObR.exe 84 -
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 nayfObR.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language nayfObR.exe -
Suspicious use of WriteProcessMemory 12 IoCs
description pid Process procid_target PID 3308 wrote to memory of 4036 3308 nayfObR.exe 83 PID 3308 wrote to memory of 4036 3308 nayfObR.exe 83 PID 3308 wrote to memory of 4036 3308 nayfObR.exe 83 PID 3308 wrote to memory of 1196 3308 nayfObR.exe 84 PID 3308 wrote to memory of 1196 3308 nayfObR.exe 84 PID 3308 wrote to memory of 1196 3308 nayfObR.exe 84 PID 3308 wrote to memory of 1196 3308 nayfObR.exe 84 PID 3308 wrote to memory of 1196 3308 nayfObR.exe 84 PID 3308 wrote to memory of 1196 3308 nayfObR.exe 84 PID 3308 wrote to memory of 1196 3308 nayfObR.exe 84 PID 3308 wrote to memory of 1196 3308 nayfObR.exe 84 PID 3308 wrote to memory of 1196 3308 nayfObR.exe 84
Processes
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C:\Users\Admin\AppData\Local\Temp\nayfObR.exe"C:\Users\Admin\AppData\Local\Temp\nayfObR.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3308 -
C:\Users\Admin\AppData\Local\Temp\nayfObR.exe"C:\Users\Admin\AppData\Local\Temp\nayfObR.exe"2⤵PID:4036
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C:\Users\Admin\AppData\Local\Temp\nayfObR.exe"C:\Users\Admin\AppData\Local\Temp\nayfObR.exe"2⤵
- System Location Discovery: System Language Discovery
PID:1196
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