6dc3e8f3e9d416228fc641e19080298813d2a8fcd2840e6b13282f754b79f5da

Analysis

max time kernel
148s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
28/05/2024, 00:23

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General

Target
Addin/npTongbuAddin.dll
Size 64KB
Sample240528-appnhsgf72
SHA256 ddb0b302d6fb1291b8d6fc72163f9f3b1ef33fa1768a38e86859747318a67fd9
MD5 20f76a9a47c0ddc38c85505c004e311b
SHA1 e57cd89b59824307c3f4fd06d8b18d2aa17c124c
SHA512 be602d0f9911de5af1e41530b5335fce0ed5ff72dcc254c94ca4fceb126df70a376c066baba2b0ceb9c5ece6a863c2c28bfb042a6a92c491396c2d40a28c6b3d
SSDEEP 768:Qs4hbPUK8O9HLv0d37zi9hbfVkLhuCilrRSI7y1rNbthtqph6kgx4XOgNzl3:l4PvC/idkN70RZ7GFthUpYbxuOgNzl
MD5 SHA1 SHA512 SSDEEP

Score

1^/10

Malware Config

Signatures

Modifies registry class 14 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{2590066D-A84A-4714-B0AF-303BF6C39CC5}\1.0\0\win32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{2590066D-A84A-4714-B0AF-303BF6C39CC5}\1.0\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\Addin\\npTongbuAddin.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{2590066D-A84A-4714-B0AF-303BF6C39CC5}\1.0\FLAGS\ = "0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{2590066D-A84A-4714-B0AF-303BF6C39CC5}\1.0\0	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{2590066D-A84A-4714-B0AF-303BF6C39CC5}\1.0\HELPDIR	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{2590066D-A84A-4714-B0AF-303BF6C39CC5}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{2590066D-A84A-4714-B0AF-303BF6C39CC5}\1.0	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{2590066D-A84A-4714-B0AF-303BF6C39CC5}\1.0\ = "npTbChromeAddin 1.0 Type Library"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{2590066D-A84A-4714-B0AF-303BF6C39CC5}\1.0\FLAGS	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{2590066D-A84A-4714-B0AF-303BF6C39CC5}\1.0\HELPDIR\	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\AppID\{2590066D-A84A-4714-B0AF-303BF6C39CC5}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\AppID\npTbChromeAddin.DLL	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\AppID\npTbChromeAddin.DLL\AppID = "{2590066D-A84A-4714-B0AF-303BF6C39CC5}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\AppID\{2590066D-A84A-4714-B0AF-303BF6C39CC5}\ = "Í¬²½ÏÂÔØÖ§³Ö(for Chrome/Mozilla/Firefox)"	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2588 wrote to memory of 4068	2588	regsvr32.exe	84
PID 2588 wrote to memory of 4068	2588	regsvr32.exe	84
PID 2588 wrote to memory of 4068	2588	regsvr32.exe	84

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\Addin\npTongbuAddin.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:2588
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\Addin\npTongbuAddin.dll
  2⤵
  - Modifies registry class
  PID:4068

Analysis

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General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix

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