wannacry | 902368b4b1713980895725102437d013420fe0dba9fa5011660aee1e7b1a2ffb

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
23-09-2024 21:55

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General

Target

202409236799532f6271eb4f670ffbd22c1c33cbwannacry.exe
Size

5.0MB
MD5

6799532f6271eb4f670ffbd22c1c33cb
SHA1

f4abf7f57a00b7c33b45a8cd4086e7958915d779
SHA256

902368b4b1713980895725102437d013420fe0dba9fa5011660aee1e7b1a2ffb
SHA512

6debe0f93f5e5af67dcc8cd5ac161cb507d9ae74cab2ac54d393c7abed177d5886e698ff79736c22967b23f5f0daa8fcf29bcd6a7603c2f8fa6c839ed76cd494
SSDEEP

49152:XnAQqMSPbcBVQej/1INR+ktYMcTh8Yab3P62asCIJ/bEu:XDqPoBhz1aR+ktYBTCY2y2avY/gu

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3276) 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
2516	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	202409236799532f6271eb4f670ffbd22c1c33cbwannacry.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	202409236799532f6271eb4f670ffbd22c1c33cbwannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	202409236799532f6271eb4f670ffbd22c1c33cbwannacry.exe

Modifies data under HKEY_USERS 5 IoCs

description	ioc	Process
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	202409236799532f6271eb4f670ffbd22c1c33cbwannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	202409236799532f6271eb4f670ffbd22c1c33cbwannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	202409236799532f6271eb4f670ffbd22c1c33cbwannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	202409236799532f6271eb4f670ffbd22c1c33cbwannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	202409236799532f6271eb4f670ffbd22c1c33cbwannacry.exe

C:\Users\Admin\AppData\Local\Temp\202409236799532f6271eb4f670ffbd22c1c33cbwannacry.exe
"C:\Users\Admin\AppData\Local\Temp\202409236799532f6271eb4f670ffbd22c1c33cbwannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:2292
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:2516

C:\Users\Admin\AppData\Local\Temp\202409236799532f6271eb4f670ffbd22c1c33cbwannacry.exe
C:\Users\Admin\AppData\Local\Temp\202409236799532f6271eb4f670ffbd22c1c33cbwannacry.exe -m security
1⤵
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:836

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

C:\Windows\tasksche.exe

Filesize
3.4MB

MD5
aca4b981fe61b7d263913ce3d890767d

SHA1
551f19cb835d9ccdefe8514f0a1b37d1b044518d

SHA256
1f3b6d4160116509b677be6f98bee3d786f63bbf5a4dbcdb931b8b226c7b0aea

SHA512
72398393aabcb8b431bbb0be4d0fea806c366765c212d038cff3f43c376d751418372952790c902d576146ecb69dac5ab50776b5fb91eca9bcd8ffc98742378a

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