5b6c41f48cf9852e0f27171633e3075e8c355a32b5a1a69d973354430bc488ab

Analysis

max time kernel
149s
max time network
150s
platform
windows11-21h2_x64
resource
win11-20251231-en
resource tags

arch:x64arch:x86image:win11-20251231-enlocale:en-usos:windows11-21h2-x64system
submitted
16/01/2026, 14:57

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General

Target
CrimsonMods/ReadMe.txt
Size 298B
Sample260116-sbm7msdx8f
SHA256 2a4e511aeb726f9c30bbef92b1d20377d53f27a27abf0c767d61cdcdb6b1abc2
MD5 ee5d53a0a1291262864016ceb9967302
SHA1 706e70799936e176fcb94b4be090a87bf1788a49
SHA512 6f14267ed084b31c8c28c1e9d5d38447c4fc9b9df5afab4f8cbcd2188f6a86b5598b0139d1b15b2188c6bd1f00501c228f2a13b8860fae5385c517ffac4b7f88
MD5 SHA1 SHA512

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-1-5-21-1879222327-309181551-1066679662-1000_Classes\Local Settings	cmd.exe

Opens file in notepad (likely ransom note) 1 IoCs

ransomware

pid	Process
1580	NOTEPAD.EXE

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 1492 wrote to memory of 1580	1492	cmd.exe	78

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\CrimsonMods\ReadMe.txt
1⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:1492
- C:\Windows\system32\NOTEPAD.EXE
  "C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\AppData\Local\Temp\CrimsonMods\ReadMe.txt
  2⤵
  - Opens file in notepad (likely ransom note)
  PID:1580

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

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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