9701f1af05c7b542db0e2c5af4a62e818749f0ad67c4988ba5c6573dcb1aae85 | Triage

Analysis

max time kernel
90s
max time network
161s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
18/09/2022, 13:21

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General

Target

Xf1_0_3/x86/cvextern.dll
Size

11.0MB
MD5

8cffd7733b32a63ef699b1c6ae1ab3c3
SHA1

039d28d6fe03829f2bb58204cdf3e101f0dc8ca7
SHA256

4bc88c4fe2e8d7d523d88e11d5b9a0ca333c658e258c577cba60d119168055a1
SHA512

328e1b9159853dd547a8d845e8db63ef8e74c0932b8d72aae0d7b283bdd7a313895fc27ce14fbc55ce50c48d224a6a8af01f1260c3cecbb3a3b30888275df76b
SSDEEP

196608:f4IstfXM/tDceaDjUKnMt5C4AG0U7jQoxjBBBSwPlAXVYNniAUo:fhKeUVnMTBS1YNniAUo

Score

3^/10

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1648	4972	WerFault.exe	79

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2424 wrote to memory of 4972	2424	rundll32.exe	79
PID 2424 wrote to memory of 4972	2424	rundll32.exe	79
PID 2424 wrote to memory of 4972	2424	rundll32.exe	79

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\Xf1_0_3\x86\cvextern.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2424
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\Xf1_0_3\x86\cvextern.dll,#1
  2⤵
  PID:4972
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4972 -s 780
    3⤵
    - Program crash
    PID:1648

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4972 -ip 4972
1⤵
PID:4656

Network

MITRE ATT&CK Matrix

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