ba067698a42552e1f975d0c5c57ba51623c4db634ba7830a7a90bc4a219a48eb | Triage

Analysis

max time kernel
136s
max time network
128s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
27-05-2024 19:14

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General

Target

Debug/api-ms-win-crt-heap-l1-1-0.dll
Size

18KB
MD5

1776a2b85378b27825cf5e5a3a132d9a
SHA1

626f0e7f2f18f31ec304fe7a7af1a87cbbebb1df
SHA256

675b1b82dd485cc8c8a099272db9241d0d2a7f45424901f35231b79186ec47ee
SHA512

541a5dd997fc5fec31c17b4f95f03c3a52e106d6fb590cb46bdf5adad23ed4a895853768229f3fbb9049f614d9bae031e6c43cec43fb38c89f13163721bb8348
SSDEEP

384:XY3eBW1hWqvm0GftpBjtzsxm3SKulndaYhp6s:zQzViATv

Score

3^/10

Malware Config

Signatures

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

5100 2620 WerFault.exe rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 3784 wrote to memory of 2620	3784	rundll32.exe	rundll32.exe
PID 3784 wrote to memory of 2620	3784	rundll32.exe	rundll32.exe
PID 3784 wrote to memory of 2620	3784	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\Debug\api-ms-win-crt-heap-l1-1-0.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3784
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\Debug\api-ms-win-crt-heap-l1-1-0.dll,#1
  2⤵
  PID:2620
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2620 -s 600
    3⤵
    - Program crash
    PID:5100

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2620 -ip 2620
1⤵
PID:2228

Network

MITRE ATT&CK Matrix

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