fb2e466347b6a320ce7923193accfe2865a71833e3f28f82314528aaeff0124a

Analysis

max time kernel
45s
max time network
49s
platform
windows7_x64
resource
win7-20220901-en
resource tags

arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
submitted
13-09-2022 06:43

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General

Target

style.css
Size

753B
MD5

1fa01153ea3c25a9e67fc0998df2d61c
SHA1

2a30cf61c05319b5fba457f67d29dc9409771a06
SHA256

bfaef90ad6283350e3a8e426c45342ce6ee330d39a98874f845c280a8e398eb2
SHA512

6754fc8c344f8317b24f0337920decd143dcaaedb3754b4f2248f862f31e835b71ede2088bf30ae3b634e0c827f82daf3a869acde560a7291f9fd5b90d0f105c

Score

3^/10

Malware Config

Signatures

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

System Information Discovery
T1082
Opens file in notepad (likely ransom note) 1 IoCs
ransomware

Processes:

NOTEPAD.EXE

pid process

1008 NOTEPAD.EXE

pid	process
1008	NOTEPAD.EXE

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

cmd.exe

description	pid	process	target process
PID 1340 wrote to memory of 1008	1340	cmd.exe	NOTEPAD.EXE
PID 1340 wrote to memory of 1008	1340	cmd.exe	NOTEPAD.EXE
PID 1340 wrote to memory of 1008	1340	cmd.exe	NOTEPAD.EXE

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\style.css
1⤵
- Suspicious use of WriteProcessMemory
PID:1340

C:\Windows\system32\NOTEPAD.EXE
"C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\AppData\Local\Temp\style.css
2⤵
- Opens file in notepad (likely ransom note)
PID:1008

MITRE ATT&CK Enterprise v6

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/1008-76-0x0000000000000000-mapping.dmp

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memory/1340-54-0x000007FEFB9E1000-0x000007FEFB9E3000-memory.dmp

Filesize
8KB

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