3de1fb0d1108907fd61d6d6b9a4c6b856af509e0af35578f158cfce5d634fe07 | Triage

Analysis

max time kernel
147s
max time network
122s
platform
windows10-2004_x64
resource
win10v2004-20220414-en
submitted
27-04-2022 20:01

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General

Target

vcruntime140.dll
Size

81KB
MD5

7587bf9cb4147022cd5681b015183046
SHA1

f2106306a8f6f0da5afb7fc765cfa0757ad5a628
SHA256

c40bb03199a2054dabfc7a8e01d6098e91de7193619effbd0f142a7bf031c14d
SHA512

0b63e4979846ceba1b1ed8470432ea6aa18cca66b5f5322d17b14bc0dfa4b2ee09ca300a016e16a01db5123e4e022820698f46d9bad1078bd24675b4b181e91f

Score

3^/10

Malware Config

Signatures

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

1476 3128 WerFault.exe rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 4060 wrote to memory of 3128	4060	rundll32.exe	rundll32.exe
PID 4060 wrote to memory of 3128	4060	rundll32.exe	rundll32.exe
PID 4060 wrote to memory of 3128	4060	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\vcruntime140.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4060

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\vcruntime140.dll,#1
2⤵
PID:3128

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3128 -s 600
3⤵
- Program crash
PID:1476

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 3128 -ip 3128
1⤵
PID:2316

Network

MITRE ATT&CK Matrix

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Downloads

memory/3128-130-0x0000000000000000-mapping.dmp

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