wannacry | a3575dc2750ab021aa8320cba893035b8879b4fe5c271aff71e5a2a77788ce1c

Resubmissions

06-12-2024 09:16

241206-k8kh1swmbl 10

06-12-2024 06:34

241206-hb92aszrdj 10

Analysis

max time kernel
150s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
06-12-2024 06:34

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General

Target

2024-12-06_6cb9a403d0a554d1914774eea52a02b7_wannacry.exe
Size

3.6MB
MD5

6cb9a403d0a554d1914774eea52a02b7
SHA1

fddbdb050d8e87d8519058edd26652543503e577
SHA256

a3575dc2750ab021aa8320cba893035b8879b4fe5c271aff71e5a2a77788ce1c
SHA512

001429d413ddc10222a4b6dca5a5370799653e455ed7dc5606a2b3bc5523d9e5011cbcc44ad0132a68231dc52dc7bde846986506f006dafa990e878f9b3b22ab
SSDEEP

98304:XDqPoBhz1aR7cSUDk36SAEdhvxWa9P593R8yAVp2HI:XDqPe1C7cxk3ZAEUadzR8yc4HI

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Wannacry family
wannacry
Contacts a large (3179) 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
3600	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	2024-12-06_6cb9a403d0a554d1914774eea52a02b7_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	2024-12-06_6cb9a403d0a554d1914774eea52a02b7_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-12-06_6cb9a403d0a554d1914774eea52a02b7_wannacry.exe

Modifies data under HKEY_USERS 5 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-12-06_6cb9a403d0a554d1914774eea52a02b7_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	2024-12-06_6cb9a403d0a554d1914774eea52a02b7_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	2024-12-06_6cb9a403d0a554d1914774eea52a02b7_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	2024-12-06_6cb9a403d0a554d1914774eea52a02b7_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	2024-12-06_6cb9a403d0a554d1914774eea52a02b7_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-12-06_6cb9a403d0a554d1914774eea52a02b7_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-12-06_6cb9a403d0a554d1914774eea52a02b7_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:868
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:3600

C:\Users\Admin\AppData\Local\Temp\2024-12-06_6cb9a403d0a554d1914774eea52a02b7_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-12-06_6cb9a403d0a554d1914774eea52a02b7_wannacry.exe -m security
1⤵
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:4932

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
1c7fd68522a96a229f27a81e78d9fae6

SHA1
5931be9cb96757a4ee1b2dd725f42a067a4bf4a0

SHA256
7f6fd33dd381ca3b9a57f15b24864fb3489f332c3c76fc585133fe4ba7cf6195

SHA512
95ce52ec9eec93b185946b2dff6dcc54256bcb7b7abc98cee0027f0a564b2f2214ef989212f23125b9f7547980917e7e2b9311bdb06898062272f61271029b49

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