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Analysis
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max time kernel
101s -
max time network
120s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
07/09/2024, 05:29
Static task
static1
Behavioral task
behavioral1
Sample
bcb72fa9cf49257371b89e9d39e0bfafe3e82b6a1154a9ce064b06380993cff4.dll
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
bcb72fa9cf49257371b89e9d39e0bfafe3e82b6a1154a9ce064b06380993cff4.dll
Resource
win10v2004-20240802-en
General
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Target
bcb72fa9cf49257371b89e9d39e0bfafe3e82b6a1154a9ce064b06380993cff4.dll
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Size
1.0MB
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MD5
66c42ffe90f30d9e4284c7faeaa6b281
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SHA1
93c39e887c7a5f90803cf5f6c795a580563c1938
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SHA256
bcb72fa9cf49257371b89e9d39e0bfafe3e82b6a1154a9ce064b06380993cff4
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SHA512
f2094ea1959ec8437a17731fab3b26fed6df193619fe67413d62990e9807b6890d89934d1df7634e11e96b13fef8f80eed9b3609b2d665c6d35e70b7b3d525e1
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SSDEEP
24576:uMQlL6uFVF3Mf0GHwttfqSzso7cviBePHvIee8vzpF3nBiWr8ycu036:uXlL62V5Mf0GstfqSzdo6BePKmpx8Wrl
Malware Config
Signatures
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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 regsvr32.exe -
Modifies registry class 64 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{998AE534-4B76-4423-A9BD-65C7BE3F2B94}\ = "SSS_API" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{BD1C0DC7-F0EB-42D2-852E-DB3C8C2E6A3E}\Programmable regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{079572B8-BA63-4F31-B6EC-41788CD5FC5B}\ = "_Set" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{079572B8-BA63-4F31-B6EC-41788CD5FC5B}\TypeLib\ = "{AB91D50A-ABDD-468B-A666-E86B1D60EBAC}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{998AE534-4B76-4423-A9BD-65C7BE3F2B94}\TypeLib\Version = "1.0" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\RHRMES.Set\Clsid\ = "{BD1C0DC7-F0EB-42D2-852E-DB3C8C2E6A3E}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{079572B8-BA63-4F31-B6EC-41788CD5FC5B}\ProxyStubClsid\ = "{00020424-0000-0000-C000-000000000046}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{079572B8-BA63-4F31-B6EC-41788CD5FC5B}\ProxyStubClsid32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{BD1C0DC7-F0EB-42D2-852E-DB3C8C2E6A3E}\ProgID\ = "RHRMES.Set" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\RHRMES.Set\Clsid regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{3B6383BF-D144-4E25-B34B-0A208A8541EC}\ = "RHRMES.SSS_API" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{3B6383BF-D144-4E25-B34B-0A208A8541EC}\VERSION regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{3B6383BF-D144-4E25-B34B-0A208A8541EC}\Implemented Categories\{40FC6ED5-2438-11CF-A3DB-080036F12502} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{BD1C0DC7-F0EB-42D2-852E-DB3C8C2E6A3E}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\bcb72fa9cf49257371b89e9d39e0bfafe3e82b6a1154a9ce064b06380993cff4.dll" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{BD1C0DC7-F0EB-42D2-852E-DB3C8C2E6A3E}\Implemented Categories\{40FC6ED5-2438-11CF-A3DB-080036F12502} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{AB91D50A-ABDD-468B-A666-E86B1D60EBAC}\1.0\HELPDIR regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{998AE534-4B76-4423-A9BD-65C7BE3F2B94} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{998AE534-4B76-4423-A9BD-65C7BE3F2B94}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{998AE534-4B76-4423-A9BD-65C7BE3F2B94}\ProxyStubClsid32 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{BD1C0DC7-F0EB-42D2-852E-DB3C8C2E6A3E}\TypeLib regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\RHRMES.Set regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{AB91D50A-ABDD-468B-A666-E86B1D60EBAC}\1.0\0\win32 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{079572B8-BA63-4F31-B6EC-41788CD5FC5B} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{079572B8-BA63-4F31-B6EC-41788CD5FC5B}\TypeLib regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{079572B8-BA63-4F31-B6EC-41788CD5FC5B}\ = "Set" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{AB91D50A-ABDD-468B-A666-E86B1D60EBAC}\1.0\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\bcb72fa9cf49257371b89e9d39e0bfafe3e82b6a1154a9ce064b06380993cff4.dll" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{998AE534-4B76-4423-A9BD-65C7BE3F2B94}\TypeLib regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\RHRMES.Set\ = "RHRMES.Set" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{3B6383BF-D144-4E25-B34B-0A208A8541EC}\ProgID regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{BD1C0DC7-F0EB-42D2-852E-DB3C8C2E6A3E}\VERSION\ = "1.0" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{AB91D50A-ABDD-468B-A666-E86B1D60EBAC}\1.0\ = "RHRMES" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{AB91D50A-ABDD-468B-A666-E86B1D60EBAC}\1.0\FLAGS\ = "0" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{079572B8-BA63-4F31-B6EC-41788CD5FC5B}\TypeLib\ = "{AB91D50A-ABDD-468B-A666-E86B1D60EBAC}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{BD1C0DC7-F0EB-42D2-852E-DB3C8C2E6A3E}\TypeLib\ = "{AB91D50A-ABDD-468B-A666-E86B1D60EBAC}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{AB91D50A-ABDD-468B-A666-E86B1D60EBAC}\1.0\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{3B6383BF-D144-4E25-B34B-0A208A8541EC}\InprocServer32\ThreadingModel = "Apartment" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\RHRMES.SSS_API\ = "RHRMES.SSS_API" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{BD1C0DC7-F0EB-42D2-852E-DB3C8C2E6A3E}\ProgID regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{079572B8-BA63-4F31-B6EC-41788CD5FC5B}\TypeLib\Version = "1.0" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{998AE534-4B76-4423-A9BD-65C7BE3F2B94}\TypeLib\Version = "1.0" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\RHRMES.SSS_API\Clsid\ = "{3B6383BF-D144-4E25-B34B-0A208A8541EC}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{3B6383BF-D144-4E25-B34B-0A208A8541EC}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\bcb72fa9cf49257371b89e9d39e0bfafe3e82b6a1154a9ce064b06380993cff4.dll" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{3B6383BF-D144-4E25-B34B-0A208A8541EC}\VERSION\ = "1.0" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{3B6383BF-D144-4E25-B34B-0A208A8541EC}\Programmable regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{BD1C0DC7-F0EB-42D2-852E-DB3C8C2E6A3E} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{AB91D50A-ABDD-468B-A666-E86B1D60EBAC} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{998AE534-4B76-4423-A9BD-65C7BE3F2B94}\TypeLib\ = "{AB91D50A-ABDD-468B-A666-E86B1D60EBAC}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{998AE534-4B76-4423-A9BD-65C7BE3F2B94}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{079572B8-BA63-4F31-B6EC-41788CD5FC5B}\ProxyStubClsid32 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{998AE534-4B76-4423-A9BD-65C7BE3F2B94}\ProxyStubClsid32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{BD1C0DC7-F0EB-42D2-852E-DB3C8C2E6A3E}\InprocServer32\ThreadingModel = "Apartment" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{998AE534-4B76-4423-A9BD-65C7BE3F2B94}\ProxyStubClsid\ = "{00020424-0000-0000-C000-000000000046}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{079572B8-BA63-4F31-B6EC-41788CD5FC5B}\ProxyStubClsid regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{BD1C0DC7-F0EB-42D2-852E-DB3C8C2E6A3E}\Implemented Categories regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{079572B8-BA63-4F31-B6EC-41788CD5FC5B}\TypeLib\Version = "1.0" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{998AE534-4B76-4423-A9BD-65C7BE3F2B94}\ = "_SSS_API" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{3B6383BF-D144-4E25-B34B-0A208A8541EC}\InprocServer32 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{BD1C0DC7-F0EB-42D2-852E-DB3C8C2E6A3E}\InprocServer32 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{079572B8-BA63-4F31-B6EC-41788CD5FC5B} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{079572B8-BA63-4F31-B6EC-41788CD5FC5B}\ = "_Set" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{079572B8-BA63-4F31-B6EC-41788CD5FC5B}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{BD1C0DC7-F0EB-42D2-852E-DB3C8C2E6A3E}\ = "RHRMES.Set" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{BD1C0DC7-F0EB-42D2-852E-DB3C8C2E6A3E}\VERSION regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{AB91D50A-ABDD-468B-A666-E86B1D60EBAC}\1.0 regsvr32.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 1352 wrote to memory of 4148 1352 regsvr32.exe 83 PID 1352 wrote to memory of 4148 1352 regsvr32.exe 83 PID 1352 wrote to memory of 4148 1352 regsvr32.exe 83
Processes
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C:\Windows\system32\regsvr32.exeregsvr32 /s C:\Users\Admin\AppData\Local\Temp\bcb72fa9cf49257371b89e9d39e0bfafe3e82b6a1154a9ce064b06380993cff4.dll1⤵
- Suspicious use of WriteProcessMemory
PID:1352 -
C:\Windows\SysWOW64\regsvr32.exe/s C:\Users\Admin\AppData\Local\Temp\bcb72fa9cf49257371b89e9d39e0bfafe3e82b6a1154a9ce064b06380993cff4.dll2⤵
- System Location Discovery: System Language Discovery
- Modifies registry class
PID:4148
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