563d0e670d8ff0fb4cdf870452b30e945ef34c01f9c4d41a52d44e0066d2ce6b | Triage

Analysis

max time kernel
118s
max time network
120s
platform
windows7_x64
resource
win7-20240508-en
resource tags

arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
submitted
25/06/2024, 16:31

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General

Target

Archivarius 3000/A3Shell.dll
Size

60KB
MD5

86884db817b36d6ffecb29606becaf62
SHA1

c5b3e03122a1617327708cb7c0ec71d37fd26334
SHA256

df68e5144b2d2b4808ed1d5f6fcd8d28667c38df224ab350159b0edb5ff18b3d
SHA512

b5809aed32b9f261ea35908fafa4fd8a23030230bf6216129685e6a7de3213d6cc02c1811df88af5f854abf4247966ecc707839375d5522e984f3b4f29fef06f
SSDEEP

1536:5tVqoeEhnP962ykTPp7jCVs3hFAytHzxJYSAm:/OgPfTPp7YsxFJVxJYSAm

Score

1^/10

Malware Config

Signatures

Modifies registry class 5 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{246DE744-194A-418C-9485-9330D4D644E7}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{246DE744-194A-418C-9485-9330D4D644E7}\	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{246DE744-194A-418C-9485-9330D4D644E7}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{246DE744-194A-418C-9485-9330D4D644E7}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\ARCHIV~1\\A3Shell.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{246DE744-194A-418C-9485-9330D4D644E7}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2244 wrote to memory of 316	2244	regsvr32.exe	28
PID 2244 wrote to memory of 316	2244	regsvr32.exe	28
PID 2244 wrote to memory of 316	2244	regsvr32.exe	28
PID 2244 wrote to memory of 316	2244	regsvr32.exe	28
PID 2244 wrote to memory of 316	2244	regsvr32.exe	28
PID 2244 wrote to memory of 316	2244	regsvr32.exe	28
PID 2244 wrote to memory of 316	2244	regsvr32.exe	28

C:\Windows\system32\regsvr32.exe
regsvr32 /s "C:\Users\Admin\AppData\Local\Temp\Archivarius 3000\A3Shell.dll"
1⤵
- Suspicious use of WriteProcessMemory
PID:2244
- C:\Windows\SysWOW64\regsvr32.exe
  /s "C:\Users\Admin\AppData\Local\Temp\Archivarius 3000\A3Shell.dll"
  2⤵
  - Modifies registry class
  PID:316

Network

MITRE ATT&CK Matrix

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Downloads

memory/316-0-0x0000000000170000-0x0000000000184000-memory.dmp

Filesize
80KB

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