wannacry | 0752c147b93fb4c1bfb8fcbb2fa10d51d6d39e2dda08d0b531f20ec875854a92

Analysis

max time kernel
150s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
10-10-2024 23:56

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General

Target

2024-10-10_4d85f13ff14542b7f041e02af35a05d9_wannacry.exe
Size

3.6MB
MD5

4d85f13ff14542b7f041e02af35a05d9
SHA1

93988c5a2345029acb47e72151184a9499bdb06e
SHA256

0752c147b93fb4c1bfb8fcbb2fa10d51d6d39e2dda08d0b531f20ec875854a92
SHA512

8eddf1e6a1f5e537c2f15b20feb6c5dc8819d93b77f02a6ee82e2e409fc3111f27dfd5deba58787f265704136734db1ca82e6f4252b0afd1324ad7bc593b4184
SSDEEP

98304:ZDqPoBhz1aRxcSUDkA6SAEdhvxWa9C93R8yAVp2HI:ZDqPe1CxcxkAZAEUamR8yc4HI

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3371) 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
1296	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	2024-10-10_4d85f13ff14542b7f041e02af35a05d9_wannacry.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	2024-10-10_4d85f13ff14542b7f041e02af35a05d9_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-10-10_4d85f13ff14542b7f041e02af35a05d9_wannacry.exe

Modifies data under HKEY_USERS 5 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-10-10_4d85f13ff14542b7f041e02af35a05d9_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	2024-10-10_4d85f13ff14542b7f041e02af35a05d9_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	2024-10-10_4d85f13ff14542b7f041e02af35a05d9_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	2024-10-10_4d85f13ff14542b7f041e02af35a05d9_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	2024-10-10_4d85f13ff14542b7f041e02af35a05d9_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-10-10_4d85f13ff14542b7f041e02af35a05d9_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-10-10_4d85f13ff14542b7f041e02af35a05d9_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:1812
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:1296

C:\Users\Admin\AppData\Local\Temp\2024-10-10_4d85f13ff14542b7f041e02af35a05d9_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-10-10_4d85f13ff14542b7f041e02af35a05d9_wannacry.exe -m security
1⤵
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:1632

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

Replay Monitor

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Downloads

C:\Windows\tasksche.exe

Filesize
3.4MB

MD5
e11c972f9c565b12a4d2220d47483b82

SHA1
51cb4bf34488ce4f60a0f8696eab692ea9ed4cae

SHA256
ee85e2151059f52333bec7cc0f72cf24d8324aea64924263da5803c776879f61

SHA512
a13aeced6e82461e0ac9939ea602ef92a14e33cfe29374de750fd8d179b5db61b2adee29bdd5177fc6e0c4ec9a122e21f790ace1c4be224b60c71eb0f51bc843

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