5b4e091f4ff55c2d426ca3ab68714562387fb615b820bb32dd696a150f3330cd | Triage

Analysis

max time kernel
85s
max time network
92s
platform
windows11-21h2_x64
resource
win11-20231215-en
resource tags

arch:x64arch:x86image:win11-20231215-enlocale:en-usos:windows11-21h2-x64system
submitted
13-01-2024 04:57

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General

Target

vcruntime140_cor3.dll
Size

74KB
MD5

1a84957b6e681fca057160cd04e26b27
SHA1

8d7e4c98d1ec858db26a3540baaaa9bbf96b5bfe
SHA256

9faeaa45e8cc986af56f28350b38238b03c01c355e9564b849604b8d690919c5
SHA512

5f54c9e87f2510c56f3cf2ceeb5b5ad7711abd9f85a1ff84e74dd82d15181505e7e5428eae6ff823f1190964eb0a82a569273a4562ec4131cecfa00a9d0d02aa
SSDEEP

1536:zHHuqvERNjBwySXtVaSvrgOFw9RxKMn5ecbCKnIY7:zHHZMRNjKySdLcOiH5ecbCKnN

Score

3^/10

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2728	3448	WerFault.exe	16

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4880 wrote to memory of 3448	4880	rundll32.exe	16
PID 4880 wrote to memory of 3448	4880	rundll32.exe	16
PID 4880 wrote to memory of 3448	4880	rundll32.exe	16

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\vcruntime140_cor3.dll,#1
1⤵
PID:3448
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3448 -s 448
  2⤵
  - Program crash
  PID:2728

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3448 -ip 3448
1⤵
PID:1400

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\vcruntime140_cor3.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4880

Network

MITRE ATT&CK Matrix

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