118364f52ec0a0df6aa767050647e73f0e7e5d203d65f6d63029f4a219b3c584 | Triage

Analysis

max time kernel
92s
max time network
105s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
26-01-2024 02:55

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General

Target

$PLUGINSDIR/nsRichEdit.dll
Size

7KB
MD5

11ffcbcf1d3eada2e342558858b29779
SHA1

8ecd443d2800aa0900a720288ec87223df7042e9
SHA256

48b006c850221f013d2ca5b464c9e9dc3e56ee62b0cb6e1e2dcb56ae4e1edc8a
SHA512

891b65613643a9e8b00768888b1754a10c596e7bb866a1e786d893f32d60711ba627b83af8556a7d065b8d92748e5ed724726a596aa5670bce37ff7975b2c330
SSDEEP

96:daXX5j7uelHp9JDm5YjDfj2NTA2NeeRp8lZBu7OhB7lkZ3hBWhyK/7fc5:q5fPlHM5zyZkZXQ

Score

3^/10

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4860	3616	WerFault.exe	14

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4176 wrote to memory of 3616	4176	rundll32.exe	14
PID 4176 wrote to memory of 3616	4176	rundll32.exe	14
PID 4176 wrote to memory of 3616	4176	rundll32.exe	14

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsRichEdit.dll,#1
1⤵
PID:3616
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3616 -s 624
  2⤵
  - Program crash
  PID:4860

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsRichEdit.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4176

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 3616 -ip 3616
1⤵
PID:3476

Network

MITRE ATT&CK Matrix

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