1d7e38f57870ef2b575bab4a1ce17f271fb2cf7274699737194e2b46abab2d63

Analysis

max time kernel
298s
max time network
206s
platform
windows11-21h2_x64
resource
win11-20260130-en
resource tags

arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows
submitted
01/03/2026, 14:36

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General

Target
Unwwoven/kategoriserings.txt
Size 636B
Sample260301-ryw8dsd18e
SHA256 1d7e38f57870ef2b575bab4a1ce17f271fb2cf7274699737194e2b46abab2d63
MD5 944055f1e1cde83de892d58dd078a677
SHA1 ca2e88848909cdd09f31b2d6b415f31d998798b8
SHA512 f6c15cd4207f50892ae8dfc9f6f4e155684f719271bca1261c4dcaf1505de3b47ecdd8cefd76661e0a157b4cd2d2551d902fffc88018231fa69bf1a344a89f2b
TLSH
T18EF00877F44A322A0486AB4620D151C7DD28451473959E67EACF519E368F5C4135D352
MD5 SHA1 SHA512 TLSH

Score

3^/10

ransomware

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 1 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-650218026-1419908266-2856590055-1000_Classes\Local Settings	cmd.exe

Opens file in notepad (likely ransom note) 1 IoCs

ransomware

pid	Process
3076	NOTEPAD.EXE

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 4924 wrote to memory of 3076	4924	cmd.exe	80

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\Unwwoven\kategoriserings.txt
1⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:4924
- C:\Windows\system32\NOTEPAD.EXE
  "C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\AppData\Local\Temp\Unwwoven\kategoriserings.txt
  2⤵
  - Opens file in notepad (likely ransom note)
  PID:3076

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/3076-1-0x0000018D37460000-0x0000018D37C0E000-memory.dmp

Download

memory/4924-0-0x0000028FE1860000-0x0000028FE1891000-memory.dmp