wannacry | bb706a56bdca2b113fc4e6e0d29f9176edb81f00c5a77149c10268de8f8ac4d2

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 21:00

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General

Target

e359629d139d776b006c2e20b8a9b4fb_JaffaCakes118.exe
Size

3.6MB
MD5

e359629d139d776b006c2e20b8a9b4fb
SHA1

91a7765b0798d4eb4ec397a16244d2312ecc9628
SHA256

bb706a56bdca2b113fc4e6e0d29f9176edb81f00c5a77149c10268de8f8ac4d2
SHA512

6b073afe893f5b7150eed6be6463d5d9ac9b9f047b92465def95999ee0c80002851f7fc9e22707c69b93c2ab10e4af7808bf4232aeb35947396fefbe28813f02
SSDEEP

49152:XnAQqMSPbcBVQej/1INRx+TSqTdX1HkQo6SAARdhnvxJM0H9d:XDqPoBhz1aRxcSUDk36SAEdhvxWa9d

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3251) 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
552	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	e359629d139d776b006c2e20b8a9b4fb_JaffaCakes118.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	e359629d139d776b006c2e20b8a9b4fb_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	e359629d139d776b006c2e20b8a9b4fb_JaffaCakes118.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"	e359629d139d776b006c2e20b8a9b4fb_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	e359629d139d776b006c2e20b8a9b4fb_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	e359629d139d776b006c2e20b8a9b4fb_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	e359629d139d776b006c2e20b8a9b4fb_JaffaCakes118.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	e359629d139d776b006c2e20b8a9b4fb_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\e359629d139d776b006c2e20b8a9b4fb_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\e359629d139d776b006c2e20b8a9b4fb_JaffaCakes118.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:1340
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:552

C:\Users\Admin\AppData\Local\Temp\e359629d139d776b006c2e20b8a9b4fb_JaffaCakes118.exe
C:\Users\Admin\AppData\Local\Temp\e359629d139d776b006c2e20b8a9b4fb_JaffaCakes118.exe -m security
1⤵
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:3620

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
ee1bc7c54c6a6dfd29613e0d95474027

SHA1
451c29f3fce7c0b2883064a0ceb36ec04a027870

SHA256
882f6c0786aa463f82f578f989937c06ae1334f31a060eb7ad5dae93ba036610

SHA512
00c5074dcad2efe42e384f59010e68c6e41df0221a8bbd9a900cbb47b2787d1cdc3d23127fa52f1c173e93bb73b2d8cdf9a1255b1ff5fedd25bd9bdc11a19b1a

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