1dff748cbad8d2b8ec94f26a90f36ff1ace5cc273c95e2aa50aa704361672f84 | Triage

Analysis

max time kernel
119s
max time network
124s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
28-05-2024 21:53

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General

Target

WINSDEC.dll
Size

86KB
MD5

f220b7353e550c8e017ab2d90fd83ae3
SHA1

9395e998cdcc7ef048d22c2f48e687cf57a9aae5
SHA256

f8d75ed1b1b92683dfef76fe5cde7a48a0a2066c20dfc1526a0b8088caa40b4d
SHA512

6d59810b07caa19f1929fbe4d036029d14c5b615226ae2e4e4ffbc945c2fbc3be7eb2029d13ec03e8470c664af9dc7fb80520dd3959d871baf34999b1af1bd33
SSDEEP

1536:sshr0jAEFGPO2HiqHdVgnVubKmMW2A3Ao:JYnFGPObqHvgncW9W2A3A

Score

3^/10

Malware Config

Signatures

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

2232 2236 WerFault.exe rundll32.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

rundll32.exerundll32.exe

description	pid	process	target process
PID 2248 wrote to memory of 2236	2248	rundll32.exe	rundll32.exe
PID 2248 wrote to memory of 2236	2248	rundll32.exe	rundll32.exe
PID 2248 wrote to memory of 2236	2248	rundll32.exe	rundll32.exe
PID 2248 wrote to memory of 2236	2248	rundll32.exe	rundll32.exe
PID 2248 wrote to memory of 2236	2248	rundll32.exe	rundll32.exe
PID 2248 wrote to memory of 2236	2248	rundll32.exe	rundll32.exe
PID 2248 wrote to memory of 2236	2248	rundll32.exe	rundll32.exe
PID 2236 wrote to memory of 2232	2236	rundll32.exe	WerFault.exe
PID 2236 wrote to memory of 2232	2236	rundll32.exe	WerFault.exe
PID 2236 wrote to memory of 2232	2236	rundll32.exe	WerFault.exe
PID 2236 wrote to memory of 2232	2236	rundll32.exe	WerFault.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\WINSDEC.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2248
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\WINSDEC.dll,#1
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2236
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2236 -s 224
    3⤵
    - Program crash
    PID:2232

Network

MITRE ATT&CK Matrix

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