c0d7b3bab09d37ba820ddfc1bf8f94e63f25619e1f7e88f79a8bbb2f99ce6a99

Analysis

max time kernel
1484s
max time network
1500s
platform
windows11-21h2_x64
resource
win11-20240419-en
resource tags

arch:x64arch:x86image:win11-20240419-enlocale:en-usos:windows11-21h2-x64system
submitted
08/05/2024, 11:32

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General

Target

discolored.theme.css
Size

240B
MD5

c07f63bf1ef923b830fd6fb7c68419ed
SHA1

c2541d9a7b1e848d203f9583cfc4f08ab286b635
SHA256

c0d7b3bab09d37ba820ddfc1bf8f94e63f25619e1f7e88f79a8bbb2f99ce6a99
SHA512

529805e0bba18337c9e4c9ca5d390ed600d2651554128a8469d6a5c27bf1f5f853b86a7d7f6c007d41d0767538b204708fad5fe274e3ad5aacf1d3a1a7a5a451

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 1 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-1856190483-1022094809-400023910-1000_Classes\Local Settings	cmd.exe

Opens file in notepad (likely ransom note) 1 IoCs

ransomware

pid	Process
2920	NOTEPAD.EXE

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 3880 wrote to memory of 2920	3880	cmd.exe	80
PID 3880 wrote to memory of 2920	3880	cmd.exe	80

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\discolored.theme.css
1⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:3880
- C:\Windows\system32\NOTEPAD.EXE
  "C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\AppData\Local\Temp\discolored.theme.css
  2⤵
  - Opens file in notepad (likely ransom note)
  PID:2920

Network

MITRE ATT&CK Enterprise v15

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

Windows 7 deprecation

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