2ceb025a3125915e904bc8861933f6d33960a5ad6c4c880c4ac89788253e6132

Analysis

max time kernel
118s
max time network
120s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
10/09/2024, 22:44

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General

Target

GoKuaiMenuEx.dll
Size

44KB
MD5

cc308d68f7cf41f58274c02821029904
SHA1

60567311dfb94f9275530387a7f9c7549e139153
SHA256

25f1b9359bb6473fd1ae9a7dc6b4e7d85a4d5d643f476ac5cbd794bd047a9ad7
SHA512

e16d572f300d2f5be2b8f5d4c7f9a247ecd84451f3cdd8f79c3d83b338bff2dcd0ddd0288e99f0c63b962d8bf598f5d352ca8fa566a18f621a62489ad4abc1e5
SSDEEP

768:t85/kMknl4q1Lgr04RFMooObKd6cVMHcZ4tMhLl84R:W58MM4q1Lgr04RGObrcV2zWp84R

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 34 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{AEB6F97A-A60D-4B21-9D3C-687E490F227D}\Programmable	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{DB70CF17-57F7-4B23-B441-6C6BA3344031}\1.0\ = "GoKuaiMenuExLib"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{8E122766-1CB3-45E2-B7F4-31975E577C4C}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{DB70CF17-57F7-4B23-B441-6C6BA3344031}\1.0	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{DB70CF17-57F7-4B23-B441-6C6BA3344031}\1.0\FLAGS\ = "0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{DB70CF17-57F7-4B23-B441-6C6BA3344031}\1.0\0	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{8E122766-1CB3-45E2-B7F4-31975E577C4C}\ = "IGoKuaiMenuSimple"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{8E122766-1CB3-45E2-B7F4-31975E577C4C}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{8E122766-1CB3-45E2-B7F4-31975E577C4C}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{AEB6F97A-A60D-4B21-9D3C-687E490F227D}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\GoKuaiMenuEx.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{AEB6F97A-A60D-4B21-9D3C-687E490F227D}\Version	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{DB70CF17-57F7-4B23-B441-6C6BA3344031}\1.0\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{AEB6F97A-A60D-4B21-9D3C-687E490F227D}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{AEB6F97A-A60D-4B21-9D3C-687E490F227D}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{AEB6F97A-A60D-4B21-9D3C-687E490F227D}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{AEB6F97A-A60D-4B21-9D3C-687E490F227D}\TypeLib\ = "{DB70CF17-57F7-4B23-B441-6C6BA3344031}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{DB70CF17-57F7-4B23-B441-6C6BA3344031}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{DB70CF17-57F7-4B23-B441-6C6BA3344031}\1.0\0\win32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{8E122766-1CB3-45E2-B7F4-31975E577C4C}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{AEB6F97A-A60D-4B21-9D3C-687E490F227D}\ = "GoKuaiMenuSimple Class"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{8E122766-1CB3-45E2-B7F4-31975E577C4C}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{8E122766-1CB3-45E2-B7F4-31975E577C4C}\TypeLib\ = "{DB70CF17-57F7-4B23-B441-6C6BA3344031}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{8E122766-1CB3-45E2-B7F4-31975E577C4C}\TypeLib\Version = "1.0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{8E122766-1CB3-45E2-B7F4-31975E577C4C}\ = "IGoKuaiMenuSimple"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{8E122766-1CB3-45E2-B7F4-31975E577C4C}\TypeLib\Version = "1.0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{AEB6F97A-A60D-4B21-9D3C-687E490F227D}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{DB70CF17-57F7-4B23-B441-6C6BA3344031}\1.0\FLAGS	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{DB70CF17-57F7-4B23-B441-6C6BA3344031}\1.0\HELPDIR	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{8E122766-1CB3-45E2-B7F4-31975E577C4C}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{8E122766-1CB3-45E2-B7F4-31975E577C4C}\TypeLib\ = "{DB70CF17-57F7-4B23-B441-6C6BA3344031}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{DB70CF17-57F7-4B23-B441-6C6BA3344031}\1.0\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\GoKuaiMenuEx.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{8E122766-1CB3-45E2-B7F4-31975E577C4C}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{AEB6F97A-A60D-4B21-9D3C-687E490F227D}\Version\ = "1.0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{8E122766-1CB3-45E2-B7F4-31975E577C4C}\TypeLib	regsvr32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2892 wrote to memory of 3024	2892	regsvr32.exe	30
PID 2892 wrote to memory of 3024	2892	regsvr32.exe	30
PID 2892 wrote to memory of 3024	2892	regsvr32.exe	30
PID 2892 wrote to memory of 3024	2892	regsvr32.exe	30
PID 2892 wrote to memory of 3024	2892	regsvr32.exe	30
PID 2892 wrote to memory of 3024	2892	regsvr32.exe	30
PID 2892 wrote to memory of 3024	2892	regsvr32.exe	30

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\GoKuaiMenuEx.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:2892
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\GoKuaiMenuEx.dll
  2⤵
  - System Location Discovery: System Language Discovery
  - Modifies registry class
  PID:3024

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

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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