bcb72fa9cf49257371b89e9d39e0bfafe3e82b6a1154a9ce064b06380993cff4

Analysis

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
07/09/2024, 05:29

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General

Target

bcb72fa9cf49257371b89e9d39e0bfafe3e82b6a1154a9ce064b06380993cff4.dll
Size

1.0MB
MD5

66c42ffe90f30d9e4284c7faeaa6b281
SHA1

93c39e887c7a5f90803cf5f6c795a580563c1938
SHA256

bcb72fa9cf49257371b89e9d39e0bfafe3e82b6a1154a9ce064b06380993cff4
SHA512

f2094ea1959ec8437a17731fab3b26fed6df193619fe67413d62990e9807b6890d89934d1df7634e11e96b13fef8f80eed9b3609b2d665c6d35e70b7b3d525e1
SSDEEP

24576:uMQlL6uFVF3Mf0GHwttfqSzso7cviBePHvIee8vzpF3nBiWr8ycu036:uXlL62V5Mf0GstfqSzdo6BePKmpx8Wrl

Score

3^/10

discovery

Malware Config

Signatures

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.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	regsvr32.exe

Modifies registry class 64 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TYPELIB\{AB91D50A-ABDD-468B-A666-E86B1D60EBAC}\1.0\0	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{079572B8-BA63-4F31-B6EC-41788CD5FC5B}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{3B6383BF-D144-4E25-B34B-0A208A8541EC}\TypeLib\ = "{AB91D50A-ABDD-468B-A666-E86B1D60EBAC}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{BD1C0DC7-F0EB-42D2-852E-DB3C8C2E6A3E}\VERSION	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{BD1C0DC7-F0EB-42D2-852E-DB3C8C2E6A3E}\ProgID	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\{998AE534-4B76-4423-A9BD-65C7BE3F2B94}\TypeLib	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\{BD1C0DC7-F0EB-42D2-852E-DB3C8C2E6A3E}\Implemented Categories	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\Interface\{998AE534-4B76-4423-A9BD-65C7BE3F2B94}\ProxyStubClsid\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{BD1C0DC7-F0EB-42D2-852E-DB3C8C2E6A3E}\TypeLib	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\Interface\{079572B8-BA63-4F31-B6EC-41788CD5FC5B}\TypeLib\ = "{AB91D50A-ABDD-468B-A666-E86B1D60EBAC}"	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\TYPELIB\{AB91D50A-ABDD-468B-A666-E86B1D60EBAC}\1.0\FLAGS	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\Interface\{079572B8-BA63-4F31-B6EC-41788CD5FC5B}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\RHRMES.SSS_API\Clsid	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{079572B8-BA63-4F31-B6EC-41788CD5FC5B}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{079572B8-BA63-4F31-B6EC-41788CD5FC5B}\ = "_Set"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{998AE534-4B76-4423-A9BD-65C7BE3F2B94}\ProxyStubClsid	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\TYPELIB\{AB91D50A-ABDD-468B-A666-E86B1D60EBAC}\1.0\0\win32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\RHRMES.SSS_API	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{BD1C0DC7-F0EB-42D2-852E-DB3C8C2E6A3E}	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\{998AE534-4B76-4423-A9BD-65C7BE3F2B94}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{3B6383BF-D144-4E25-B34B-0A208A8541EC}	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\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{998AE534-4B76-4423-A9BD-65C7BE3F2B94}\ = "_SSS_API"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{998AE534-4B76-4423-A9BD-65C7BE3F2B94}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	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\Wow6432Node\Interface\{998AE534-4B76-4423-A9BD-65C7BE3F2B94}\TypeLib\Version = "1.0"	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}\InprocServer32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{3B6383BF-D144-4E25-B34B-0A208A8541EC}\TypeLib	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\CLSID\{3B6383BF-D144-4E25-B34B-0A208A8541EC}\ProgID\ = "RHRMES.SSS_API"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{3B6383BF-D144-4E25-B34B-0A208A8541EC}\Implemented Categories\{40FC6ED5-2438-11CF-A3DB-080036F12502}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TYPELIB\{AB91D50A-ABDD-468B-A666-E86B1D60EBAC}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{079572B8-BA63-4F31-B6EC-41788CD5FC5B}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{998AE534-4B76-4423-A9BD-65C7BE3F2B94}\ = "_SSS_API"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{998AE534-4B76-4423-A9BD-65C7BE3F2B94}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{998AE534-4B76-4423-A9BD-65C7BE3F2B94}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{3B6383BF-D144-4E25-B34B-0A208A8541EC}\ProgID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{079572B8-BA63-4F31-B6EC-41788CD5FC5B}\TypeLib	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\RHRMES.SSS_API\ = "RHRMES.SSS_API"	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\Wow6432Node\Interface\{079572B8-BA63-4F31-B6EC-41788CD5FC5B}\ = "_Set"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{998AE534-4B76-4423-A9BD-65C7BE3F2B94}\TypeLib\ = "{AB91D50A-ABDD-468B-A666-E86B1D60EBAC}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{BD1C0DC7-F0EB-42D2-852E-DB3C8C2E6A3E}\ProgID\ = "RHRMES.Set"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\RHRMES.Set\Clsid\ = "{BD1C0DC7-F0EB-42D2-852E-DB3C8C2E6A3E}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{079572B8-BA63-4F31-B6EC-41788CD5FC5B}\ProxyStubClsid	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\Version = "1.0"	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\CLSID\{BD1C0DC7-F0EB-42D2-852E-DB3C8C2E6A3E}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\RHRMES.Set\Clsid	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{BD1C0DC7-F0EB-42D2-852E-DB3C8C2E6A3E}\Implemented Categories\{40FC6ED5-2438-11CF-A3DB-080036F12502}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\RHRMES.SSS_API\Clsid\ = "{3B6383BF-D144-4E25-B34B-0A208A8541EC}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{3B6383BF-D144-4E25-B34B-0A208A8541EC}\Implemented Categories	regsvr32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1680 wrote to memory of 2468	1680	regsvr32.exe	31
PID 1680 wrote to memory of 2468	1680	regsvr32.exe	31
PID 1680 wrote to memory of 2468	1680	regsvr32.exe	31
PID 1680 wrote to memory of 2468	1680	regsvr32.exe	31
PID 1680 wrote to memory of 2468	1680	regsvr32.exe	31
PID 1680 wrote to memory of 2468	1680	regsvr32.exe	31
PID 1680 wrote to memory of 2468	1680	regsvr32.exe	31

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\bcb72fa9cf49257371b89e9d39e0bfafe3e82b6a1154a9ce064b06380993cff4.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:1680
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\bcb72fa9cf49257371b89e9d39e0bfafe3e82b6a1154a9ce064b06380993cff4.dll
  2⤵
  - System Location Discovery: System Language Discovery
  - Modifies registry class
  PID:2468

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/2468-0-0x0000000011000000-0x000000001201F000-memory.dmp

Filesize
16.1MB

Download
memory/2468-1-0x00000000000D0000-0x00000000000D3000-memory.dmp

Filesize
12KB

Download