89a8c1d2be3cd9b935dee4b1b0c38a46fcca59efe383a7d36db895b4b7e26ae5

Analysis

max time kernel
149s
max time network
153s
platform
windows11-21h2_x64
resource
win11-20260130-en
resource tags

arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows
submitted
23/04/2026, 14:01

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General

Target
kru/pun.py
Size 3KB
Sample260423-rbjc1set4n
SHA256 89a8c1d2be3cd9b935dee4b1b0c38a46fcca59efe383a7d36db895b4b7e26ae5
MD5 3c9fd69a94c100714a185ac681b7ebaa
SHA1 8f68f020bb69c410b4a5fefb50f3bdf389257172
SHA512 6c200db195b6bf99128f5556f13132b902c83cec1ccca8e6f39bd1f6383d7bae2e6b16a9d587363825f73b55f1085673b58cec0dd692e1bd5a0724d31c5e5bca
TLSH
T1C7512D100CCEE9A706B6581CAF46E931EB4142074B7E6923BEFC8011FF7C83192B5A1A
MD5 SHA1 SHA512 TLSH

Score

3^/10

Malware Config

Signatures

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

System Information Discovery
T1082

Modifies registry class 2 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-1383858298-2057492509-1726743289-1000_Classes\Local Settings	OpenWith.exe
Key created	\REGISTRY\USER\S-1-5-21-1383858298-2057492509-1726743289-1000_Classes\Local Settings	cmd.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1856	OpenWith.exe

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\kru\pun.py
1⤵
- Modifies registry class
PID:1456

C:\Windows\system32\OpenWith.exe
C:\Windows\system32\OpenWith.exe -Embedding
1⤵
- Modifies registry class
- Suspicious use of SetWindowsHookEx
PID:1856

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

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

memory/1456-0-0x00000238C0BC0000-0x00000238C0BF1000-memory.dmp

Download

memory/1856-1-0x000001B4736B0000-0x000001B4736E1000-memory.dmp