Analysis
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max time kernel
130s -
max time network
131s -
platform
windows10-1703_x64 -
resource
win10-20231215-en -
resource tags
arch:x64arch:x86image:win10-20231215-enlocale:en-usos:windows10-1703-x64system -
submitted
01-02-2024 20:59
Static task
static1
Behavioral task
behavioral1
Sample
UltraFuck.zip
Resource
win10-20231215-en
Behavioral task
behavioral2
Sample
UltraFuck.luac
Resource
win10-20231215-en
Behavioral task
behavioral3
Sample
resource/fonts/fa-solid-900.ttf
Resource
win10-20231215-en
Behavioral task
behavioral4
Sample
resource/fonts/fontawesome-webfont.ttf
Resource
win10-20231215-en
General
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Target
resource/fonts/fa-solid-900.ttf
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Size
197KB
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MD5
2aa350bd2aeab88b601a593f793734c0
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SHA1
b6a6a23939629aa9243e2e75215c087a049f92c1
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SHA256
5c13caa17dbfce55cd0afe4b4dcf7fbe26ab783fce15f17dde44fa6b52bcb36c
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SHA512
7fff0afc8d2aba570ee8f978bdf53bfdb1d32afd6aeefeab5ceae220f408071601999e133d2ce4bb56c92498f2c1caa8e7b7861c39d71c3a0aafa47c179f0c78
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SSDEEP
3072:8+t+A5t4nIbTOMjZUpyL175vPmazQXYIbbVaaKL/XbihFle5PZm34ehAMQ6nu:tt+AsnmqFpA7FmMQIIbbQxX+hFo5WUM6
Malware Config
Signatures
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Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Modifies registry class 1 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-655921741-723621465-1580683668-1000_Classes\Local Settings cmd.exe -
Suspicious use of WriteProcessMemory 2 IoCs
description pid Process procid_target PID 4908 wrote to memory of 2876 4908 cmd.exe 74 PID 4908 wrote to memory of 2876 4908 cmd.exe 74
Processes
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C:\Windows\system32\cmd.execmd /c C:\Users\Admin\AppData\Local\Temp\resource\fonts\fa-solid-900.ttf1⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:4908 -
C:\Windows\System32\fontview.exe"C:\Windows\System32\fontview.exe" C:\Users\Admin\AppData\Local\Temp\resource\fonts\fa-solid-900.ttf2⤵PID:2876
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