a6f0c69cf415b12d93731c52a61b54e878eb70131bcfa28f59c4d703bff7e4cc

Analysis

user interaction
yes
max time kernel
82s
max time network
80s
platform
windows11-21h2_x64
resource
win11-20260513-en
resource tags

arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows
submitted
02/08/2026, 11:28

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General

Target
FNInstaller.exe
Size 207KB
Sample260802-nk6ccshc75
SHA256 a6f0c69cf415b12d93731c52a61b54e878eb70131bcfa28f59c4d703bff7e4cc
MD5 8c8996a8b94f2beddd3b312617ca1d56
SHA1 03854e4664635ee1f2cb32987e32eb3220ab7345
SHA512 6b5de3ac0a3a4d8245e177b54b8e2f5e1785587d2994c7d4fc2d1870652dfe887fa41dd749478222b2c5dac378a25cdab1f995853add4826f758fb345538d038
SSDEEP 6144:pnvZIrKWemCHbnmm7Dj8Hcqw+QbUV9iaxqXm9oq6xz+:VhIMHbn3j4VQKiaxq0H6
TLSH
T1D5246D2DB91505BAD5A7C0BCCA838A13EB72748943B2D6DF17D05BB50F239E0AA3F511
MD5 SHA1 SHA512 SSDEEP TLSH

Score

3^/10

execution

Malware Config

Signatures

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
4880	cmd.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 1592 wrote to memory of 4880	1592	FNInstaller.exe	82

C:\Users\Admin\AppData\Local\Temp\FNInstaller.exe
"C:\Users\Admin\AppData\Local\Temp\FNInstaller.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1592
- C:\Windows\system32\cmd.exe
  C:\Windows\system32\cmd.exe /c cls
  2⤵
  - Executes a command shell one-liner
  PID:4880

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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Downloads