wannacry | 9a249d31392333f4faa684f6148902a9b55ecb8e3a07b3a47a0dcc29f4fa95a4 | Triage

Analysis

max time kernel
151s
max time network
152s
platform
windows10_x64
resource
win10v20201028
submitted
14-12-2020 16:19

Sharing

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General

Target

bcfcf660f0dcba55f56b35e589ce7c72.exe
Size

5.0MB
MD5

bcfcf660f0dcba55f56b35e589ce7c72
SHA1

0ebacf5b1ac3adec1d555630cbe9fa0c4db54c52
SHA256

9a249d31392333f4faa684f6148902a9b55ecb8e3a07b3a47a0dcc29f4fa95a4
SHA512

678a7e25e063f5736c91fd94b7b1939ec9f3a43dca0794fd275820897fe8c1113c84e2d4221a22d3919ac2a38838befc2313d99489d618de3f6b867cdd3dcae9

Score

10^/10

wannacry ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry

Drops file in System32 directory 7 IoCs

Processes:

bcfcf660f0dcba55f56b35e589ce7c72.exe

description	ioc	process
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies	bcfcf660f0dcba55f56b35e589ce7c72.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5	bcfcf660f0dcba55f56b35e589ce7c72.exe
File created	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies\QAV6238C.cookie	bcfcf660f0dcba55f56b35e589ce7c72.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies\QAV6238C.cookie	bcfcf660f0dcba55f56b35e589ce7c72.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\counters2.dat	bcfcf660f0dcba55f56b35e589ce7c72.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5	bcfcf660f0dcba55f56b35e589ce7c72.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE	bcfcf660f0dcba55f56b35e589ce7c72.exe

Drops file in Windows directory 1 IoCs

Processes:

bcfcf660f0dcba55f56b35e589ce7c72.exe

description ioc process

File created C:\WINDOWS\tasksche.exe bcfcf660f0dcba55f56b35e589ce7c72.exe

Modifies data under HKEY_USERS 8 IoCs

Processes:

bcfcf660f0dcba55f56b35e589ce7c72.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	bcfcf660f0dcba55f56b35e589ce7c72.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	bcfcf660f0dcba55f56b35e589ce7c72.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	bcfcf660f0dcba55f56b35e589ce7c72.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	bcfcf660f0dcba55f56b35e589ce7c72.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	bcfcf660f0dcba55f56b35e589ce7c72.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	bcfcf660f0dcba55f56b35e589ce7c72.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	bcfcf660f0dcba55f56b35e589ce7c72.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	bcfcf660f0dcba55f56b35e589ce7c72.exe

C:\Users\Admin\AppData\Local\Temp\bcfcf660f0dcba55f56b35e589ce7c72.exe
"C:\Users\Admin\AppData\Local\Temp\bcfcf660f0dcba55f56b35e589ce7c72.exe"
1⤵
- Drops file in Windows directory
PID:508

C:\Users\Admin\AppData\Local\Temp\bcfcf660f0dcba55f56b35e589ce7c72.exe
C:\Users\Admin\AppData\Local\Temp\bcfcf660f0dcba55f56b35e589ce7c72.exe -m security
1⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
PID:3028

Network

MITRE ATT&CK Matrix

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