2b8fd776d0ab68c8ec2fc638a8400f7a56fe11a8dbb531e3340cd6e4cfc69e35

Analysis

max time kernel
133s
max time network
102s
platform
windows10-2004_x64
resource
win10v2004-20240426-en
resource tags

arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
submitted
25-05-2024 12:20

Target

MSAMRNBSource.dll
Size

92KB
MD5

a88a676a9576dd8758cb033147672978
SHA1

e9e42b573eef2e0f9b98f271de2ed72cf1216816
SHA256

2b8fd776d0ab68c8ec2fc638a8400f7a56fe11a8dbb531e3340cd6e4cfc69e35
SHA512

e9d529269878e3295f0b5add755e17da701aecf2b9dfc7f3bef40c4d53e83a781ddd7b33006cdfd2524438671fb962bf0c07c616f014cb00882187fe46cd0a52
SSDEEP

1536:I+JjbkQ3kYxAuM3c/jJrsHSfI2AbORLoJcUORWumbxGvVCuqiX7Wm5WN5sfB0pJr:I+JvkVtcbxISfvAb4LoJcUORWLxGUupC

Score

1^/10

Modifies registry class 4 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{EFE6208A-0A2C-49FA-8A01-3768B559B6DA}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{EFE6208A-0A2C-49FA-8A01-3768B559B6DA}\InprocServer32	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1456 wrote to memory of 2564	1456	regsvr32.exe	82
PID 1456 wrote to memory of 2564	1456	regsvr32.exe	82
PID 1456 wrote to memory of 2564	1456	regsvr32.exe	82

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\MSAMRNBSource.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:1456
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\MSAMRNBSource.dll
  2⤵
  - Modifies registry class
  PID:2564