a8d66fa789ff95a8a685b874383d23bc0bf23fe043c04db1eebd2312f049abd4

Analysis

max time kernel
149s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20260513-en
resource tags

arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
submitted
04/08/2026, 21:56

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General

Target
fun.bat
Size 874B
Sample260804-1ts5lshe23
SHA256 a8d66fa789ff95a8a685b874383d23bc0bf23fe043c04db1eebd2312f049abd4
MD5 0a7047c3c718abfe93d51b35c66c244d
SHA1 3608760851f16c5ed911d0a43039a9ba5330be26
SHA512 de4a11793764a785e96dd8305b427eb319a154240306f006c5178893b082721993b2fafb0c8bd8d2f890e3efa4228b13957db559687464168c42becaca2360eb
TLSH
T1221100CE23DB111DC49440279E0A86ACD2BF490F2786FE26579AC0945AB58D4EFF1589
MD5 SHA1 SHA512 TLSH

Score

8^/10

discovery execution exploit

Malware Config

Signatures

Possible privilege escalation attempt 2 IoCs

exploit

pid	Process
756	icacls.exe
1272	takeown.exe

Modifies file permissions 1 TTPs 2 IoCs

discovery

File and Directory Permissions Modification

T1222

pid	Process
1272	takeown.exe
756	icacls.exe

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
1772	cmd.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeTakeOwnershipPrivilege	1272	takeown.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 1772 wrote to memory of 1272	1772	cmd.exe	84
PID 1772 wrote to memory of 756	1772	cmd.exe	85

C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /c "C:\Users\Admin\AppData\Local\Temp\fun.bat"
1⤵
- Executes a command shell one-liner
- Suspicious use of WriteProcessMemory
PID:1772
- C:\Windows\system32\takeown.exe
  takeown /f C:\Windows\System32\shutdown.exe
  2⤵
  - Possible privilege escalation attempt
  - Modifies file permissions
  - Suspicious use of AdjustPrivilegeToken
  PID:1272
- C:\Windows\system32\icacls.exe
  icacls C:\Windows\System32\shutdown.exe /deny Everyone:RX
  2⤵
  - Possible privilege escalation attempt
  - Modifies file permissions
  PID:756

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

File and Directory Permissions Modification

T1222

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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