Analysis
- max time kernel
149s - platform
windows11-21h2_x64 - resource
win11-20260911-en - resource tags
arch:x64arch:x86image:win11-20260911-enlocale:en-usos:windows11-21h2-x64systemwindows - submitted
04/11/2026, 19:02
Static task
static1
2 signatures
Behavioral task
behavioral1
Sample
Default.ttf
Resource
win10v2004-20260911-en
5 signatures
150 seconds
Behavioral task
behavioral2
Sample
Default.ttf
Resource
win11-20260911-en
4 signatures
150 seconds
Behavioral task
behavioral3
Sample
Keycheck.ttf
Resource
win10v2004-20260911-en
5 signatures
150 seconds
Behavioral task
behavioral4
Sample
Keycheck.ttf
Resource
win11-20260911-en
4 signatures
150 seconds
Behavioral task
behavioral5
Sample
Korsakoff GUI.exe
Resource
win10v2004-20260911-en
10 signatures
150 seconds
Behavioral task
behavioral6
Sample
Korsakoff GUI.exe
Resource
win11-20260911-en
0 signatures
150 seconds
General
- Target Default.ttf
- Size 37KB
- Sample261104-xp378stygv
- SHA256 fe204a8ee8802b311f8e93550833669c204155353d527b9ee5c991b46ba78c01
- MD5 d221140abbf98d4bf2c97f90bdca3bac
- SHA1 e601cb6724e5f684cfc9fa88cac071d34ad68f45
- SHA512 d25c646bafd8b4e009d61fec501a487b65c649aa6adbfb9f3fa122b54a79dc20fce4ab0210e12d2cdf31162bc6eeceb9ff18456786e6c89380ca93d8620f2e88
- SSDEEP 768:WzQTe1+BXuZlScJ4XoRb+nDHJ6qT6ixyN0ZBopZfFo:0D+BXeScYoRb+LgqT66yNABoH9o
- TLSH T181037D0BF7C6CB6DE3138F384E60736AE5A4FA3E5B1B835782045D35B9862944C4DA98
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
3/10
Malware Config
Signatures
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Executes a command shell one-liner 1 TTPs 1 IoCs
Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.
pid Process 716 cmd.exe - Modifies registry class 1 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-1494457106-2582563566-1599095290-1000_Classes\Local Settings cmd.exe - Suspicious use of WriteProcessMemory 1 IoCs
description pid Process procid_target PID 716 wrote to memory of 4244 716 cmd.exe 82
Processes
-
C:\Windows\system32\cmd.execmd /c C:\Users\Admin\AppData\Local\Temp\Default.ttf1⤵
- Executes a command shell one-liner
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:716 -
C:\Windows\System32\fontview.exe"C:\Windows\System32\fontview.exe" C:\Users\Admin\AppData\Local\Temp\Default.ttf2⤵PID:4244
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Microsoft\Windows\Fonts\Default.ttf
- Size 37KB
- SHA256 fe204a8ee8802b311f8e93550833669c204155353d527b9ee5c991b46ba78c01
- MD5 d221140abbf98d4bf2c97f90bdca3bac
- SHA1 e601cb6724e5f684cfc9fa88cac071d34ad68f45
- SHA512 d25c646bafd8b4e009d61fec501a487b65c649aa6adbfb9f3fa122b54a79dc20fce4ab0210e12d2cdf31162bc6eeceb9ff18456786e6c89380ca93d8620f2e88
- SSDEEP 768:WzQTe1+BXuZlScJ4XoRb+nDHJ6qT6ixyN0ZBopZfFo:0D+BXeScYoRb+LgqT66yNABoH9o
- TLSH T181037D0BF7C6CB6DE3138F384E60736AE5A4FA3E5B1B835782045D35B9862944C4DA98
- MD5 SHA1 SHA512 SSDEEP TLSH