wannacry | 8570a87f1320fcea28e35c7fbcfa5d9c2b2d2e12249058eca855482ae624811e

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
18-12-2024 13:52

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General

Target

2024-12-18_780c5226b79a070d3b46e6c5efcd08f1_wannacry.exe
Size

5.0MB
MD5

780c5226b79a070d3b46e6c5efcd08f1
SHA1

005039f7cf2e99080cb23db8b52564f509f07e98
SHA256

8570a87f1320fcea28e35c7fbcfa5d9c2b2d2e12249058eca855482ae624811e
SHA512

b4451a361a75145d0c7d95cd53f0436e2d5f59755c340ccbd1cb62cac12a7500b209abdc509acd830bcda2164e44213f1faefd07eca87fd72055cce64e90dace
SSDEEP

98304:yDqPoBhz1aRxcSUDk36SAEdhvxWa9P593R8yAVp2:yDqPe1Cxcxk3ZAEUadzR8yc4

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 (3273) 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
1040	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	2024-12-18_780c5226b79a070d3b46e6c5efcd08f1_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	2024-12-18_780c5226b79a070d3b46e6c5efcd08f1_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-12-18_780c5226b79a070d3b46e6c5efcd08f1_wannacry.exe

Modifies data under HKEY_USERS 5 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-12-18_780c5226b79a070d3b46e6c5efcd08f1_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	2024-12-18_780c5226b79a070d3b46e6c5efcd08f1_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	2024-12-18_780c5226b79a070d3b46e6c5efcd08f1_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	2024-12-18_780c5226b79a070d3b46e6c5efcd08f1_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	2024-12-18_780c5226b79a070d3b46e6c5efcd08f1_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-12-18_780c5226b79a070d3b46e6c5efcd08f1_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-12-18_780c5226b79a070d3b46e6c5efcd08f1_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:836
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:1040

C:\Users\Admin\AppData\Local\Temp\2024-12-18_780c5226b79a070d3b46e6c5efcd08f1_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-12-18_780c5226b79a070d3b46e6c5efcd08f1_wannacry.exe -m security
1⤵
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:3256

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
39e5010bf27f9c43a438299eec3c16d6

SHA1
fba5bd694f1b1de58d76972cfc066c594c399529

SHA256
b99c231a92a52c3b08e43b6825f442a99572b788a1dbbc65d6713a465d72cb02

SHA512
8a8be5edd40f91caef4673659f92c75a51e1e0be03a6add0a019ef626c8d187993b7ab3471c0f8c0ec736baa837ed528b09cf77316ea4620b574827f731249df

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