wannacry | 88263701d85e0caefaa17a0b4b519a543727de74887cfbe356db5954a3910bd9

General

Target

2024-04-12_b3f4f6e1cf04adee59f84eba33f859ef_wannacry.exe
Size

2.2MB
MD5

b3f4f6e1cf04adee59f84eba33f859ef
SHA1

71c06cc97adbd2fefedb26cc3a498874e21b3715
SHA256

88263701d85e0caefaa17a0b4b519a543727de74887cfbe356db5954a3910bd9
SHA512

63e543205435251a740f7aef84d24e1a70b24b0e69174876ee524ea3b16c7812949aaad1dfac5ec1ed0f5d26201b4c058044345971c6f1476ec22c2bf31300e2
SSDEEP

24576:QbLgurihdmMSirYbcMNgef0QeQjG/D8kIqRYoAdNLKz66a6dhAdmvn:QnnMSPbcBVQej/1INRudhnvn

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3092) amount of remote hosts 1 TTPs
This may indicate a network scan to discover remotely running services.
discovery

Network Service Discovery
T1046
Creates a large amount of network flows 1 TTPs
This may indicate a network scan to discover remotely running services.
discovery

Network Service Discovery
T1046

Drops file in System32 directory 4 IoCs

Processes:

2024-04-12_b3f4f6e1cf04adee59f84eba33f859ef_wannacry.exe

description	ioc	process
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5	2024-04-12_b3f4f6e1cf04adee59f84eba33f859ef_wannacry.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE	2024-04-12_b3f4f6e1cf04adee59f84eba33f859ef_wannacry.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies	2024-04-12_b3f4f6e1cf04adee59f84eba33f859ef_wannacry.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5	2024-04-12_b3f4f6e1cf04adee59f84eba33f859ef_wannacry.exe

Drops file in Windows directory 1 IoCs

Processes:

2024-04-12_b3f4f6e1cf04adee59f84eba33f859ef_wannacry.exe

description ioc process

File created C:\WINDOWS\tasksche.exe 2024-04-12_b3f4f6e1cf04adee59f84eba33f859ef_wannacry.exe

description	ioc	process
File created	C:\WINDOWS\tasksche.exe	2024-04-12_b3f4f6e1cf04adee59f84eba33f859ef_wannacry.exe

Modifies data under HKEY_USERS 15 IoCs

Processes:

2024-04-12_b3f4f6e1cf04adee59f84eba33f859ef_wannacry.exe

description	ioc	process
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	2024-04-12_b3f4f6e1cf04adee59f84eba33f859ef_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft	2024-04-12_b3f4f6e1cf04adee59f84eba33f859ef_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	2024-04-12_b3f4f6e1cf04adee59f84eba33f859ef_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-04-12_b3f4f6e1cf04adee59f84eba33f859ef_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows	2024-04-12_b3f4f6e1cf04adee59f84eba33f859ef_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion	2024-04-12_b3f4f6e1cf04adee59f84eba33f859ef_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings	2024-04-12_b3f4f6e1cf04adee59f84eba33f859ef_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\P3P	2024-04-12_b3f4f6e1cf04adee59f84eba33f859ef_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software	2024-04-12_b3f4f6e1cf04adee59f84eba33f859ef_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	2024-04-12_b3f4f6e1cf04adee59f84eba33f859ef_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	2024-04-12_b3f4f6e1cf04adee59f84eba33f859ef_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	2024-04-12_b3f4f6e1cf04adee59f84eba33f859ef_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	2024-04-12_b3f4f6e1cf04adee59f84eba33f859ef_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	2024-04-12_b3f4f6e1cf04adee59f84eba33f859ef_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\P3P\History	2024-04-12_b3f4f6e1cf04adee59f84eba33f859ef_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-04-12_b3f4f6e1cf04adee59f84eba33f859ef_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-04-12_b3f4f6e1cf04adee59f84eba33f859ef_wannacry.exe"
1⤵
- Drops file in Windows directory
PID:1800

C:\Users\Admin\AppData\Local\Temp\2024-04-12_b3f4f6e1cf04adee59f84eba33f859ef_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-04-12_b3f4f6e1cf04adee59f84eba33f859ef_wannacry.exe -m security
1⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
PID:3156

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4076 --field-trial-handle=1928,i,13242902252791919845,10377620236057253993,262144 --variations-seed-version /prefetch:8
1⤵
PID:1820

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Network Service Discovery

2

T1046

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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