f779e2d561278bf8b60e4177e39d93b20b403883b42636c896110949a00c029e

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

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General

Target
Keycheck.ttf
Size 39KB
Sample261104-xp378stygv
SHA256 f779e2d561278bf8b60e4177e39d93b20b403883b42636c896110949a00c029e
MD5 5ecd6439ecc182a512dbc84b54e3f366
SHA1 bc8fbffdd749e96c728e77ddb615994d4740d678
SHA512 5ac3d6213bf4bd31632c9fb4e5e052fa5d0d27902a2a396b81ce51ea36aeee3b9727d2873e18b986057336eb39568e473a915040dae8cae8f6afc239d73d3f5e
SSDEEP 768:3B0VjxNe88+Mr1V1GaVYI0bmJOeHamVwlbZb3crXu8zYNH+bDHCXB5Oefg1Lob:eHNeprxfOeHx+hQ50+bGRMeh
TLSH
T1AC03E825BBB6F20080750EBA5CF446727B4BD3152DB38B5E5A6B9ED1B93B0C3BD44608
MD5 SHA1 SHA512 SSDEEP TLSH

Score

3^/10

execution

Malware Config

Signatures

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

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.

execution

Windows Command Shell

T1059.003

pid	Process
2164	cmd.exe

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-1826067017-2692080558-3687773357-1000_Classes\Local Settings	cmd.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 2164 wrote to memory of 3428	2164	cmd.exe	81

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\Keycheck.ttf
1⤵
- Executes a command shell one-liner
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:2164
- C:\Windows\System32\fontview.exe
  "C:\Windows\System32\fontview.exe" C:\Users\Admin\AppData\Local\Temp\Keycheck.ttf
  2⤵
  PID:3428

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

Windows Command Shell

T1059.003

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

Keycheck.ttf

Path C:\Users\Admin\AppData\Local\Microsoft\Windows\Fonts\Keycheck.ttf
Size 39KB
SHA256 f779e2d561278bf8b60e4177e39d93b20b403883b42636c896110949a00c029e
MD5 5ecd6439ecc182a512dbc84b54e3f366
SHA1 bc8fbffdd749e96c728e77ddb615994d4740d678
SHA512 5ac3d6213bf4bd31632c9fb4e5e052fa5d0d27902a2a396b81ce51ea36aeee3b9727d2873e18b986057336eb39568e473a915040dae8cae8f6afc239d73d3f5e
SSDEEP 768:3B0VjxNe88+Mr1V1GaVYI0bmJOeHamVwlbZb3crXu8zYNH+bDHCXB5Oefg1Lob:eHNeprxfOeHx+hQ50+bGRMeh
TLSH
T1AC03E825BBB6F20080750EBA5CF446727B4BD3152DB38B5E5A6B9ED1B93B0C3BD44608
MD5 SHA1 SHA512 SSDEEP TLSH

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