wannacry | 19df98a49ebf8518b24eb002ce666525711aac86c1a07f1aa2a37dfb15c93aef

Analysis

max time kernel
150s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
15/09/2024, 16:43

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General

Target
202409156be9406cceba812176b5b70d4953f75awannacry.exe
Size 5.0MB
Sample240915-t8hh4atepp
SHA256 19df98a49ebf8518b24eb002ce666525711aac86c1a07f1aa2a37dfb15c93aef
MD5 6be9406cceba812176b5b70d4953f75a
SHA1 5567767e126a3124d7fae7ed2d710189b2cd0eed
SHA512 30d02e1d45233770a52da0e45e2fba5ac5b62a98737327278cd918b651fe824cb165aa06767f1687fe69fa20a9716fba84bf7a7bb01ebdc0d3e2512060ba9d95
SSDEEP 49152:XnAQBSPbcBVQej/1INRx+TSqTdX1HkQo6:XDAoBhz1aRxcSUDk36
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3292) amount of remote hosts 1 TTPs
This may indicate a network scan to discover remotely running services.
discovery

Network Service Discovery
T1046

Executes dropped EXE 1 IoCs

pid	Process
3584	tasksche.exe

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 Windows directory 1 IoCs

description	ioc	Process
File created	C:\WINDOWS\tasksche.exe	202409156be9406cceba812176b5b70d4953f75awannacry.exe

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	202409156be9406cceba812176b5b70d4953f75awannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	202409156be9406cceba812176b5b70d4953f75awannacry.exe

Modifies data under HKEY_USERS 5 IoCs

description	ioc	Process
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	202409156be9406cceba812176b5b70d4953f75awannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	202409156be9406cceba812176b5b70d4953f75awannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	202409156be9406cceba812176b5b70d4953f75awannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	202409156be9406cceba812176b5b70d4953f75awannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	202409156be9406cceba812176b5b70d4953f75awannacry.exe

C:\Users\Admin\AppData\Local\Temp\202409156be9406cceba812176b5b70d4953f75awannacry.exe
"C:\Users\Admin\AppData\Local\Temp\202409156be9406cceba812176b5b70d4953f75awannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:644
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:3584

C:\Users\Admin\AppData\Local\Temp\202409156be9406cceba812176b5b70d4953f75awannacry.exe
C:\Users\Admin\AppData\Local\Temp\202409156be9406cceba812176b5b70d4953f75awannacry.exe -m security
1⤵
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:4028

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Network Service Discovery

T1046

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

tasksche.exe

Path C:\Windows\tasksche.exe
Size 3.4MB
SHA256 67f9fc87ab6132499b6c62a06fce9e22202955c44d34d4793f448f9a1df5d657
MD5 a0b20ac109d10148a8b9e147d08ddfb2
SHA1 c525cc7721528c5702f4c486bd80642e53a3efbe
SHA512 2326f19334de8d2629d5d290c5ec46cb406cac703660e66640446175db3c9aa9e114e31fa35c73bf0103df665f1cf265e260936a9268946230c60784b9dd24dc
SSDEEP 24576:nQhfd1SirYbcMNgef0QeQjG/D8kIqRYoAdNLKz6626M+vbOSSqTPVXmiHkQg6eX6:nQBSPbcBVQej/1INRx+TSqTdX1HkQo6
MD5 SHA1 SHA512 SSDEEP

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