wannacry | 9a4948fc1e1080e6e951ca91a1e6a063486dc228af0689cbe2dfcad919e356fe

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
10-09-2024 12:15

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General

Target

d84404fd96fca52bb8af403da29b5b2d_JaffaCakes118.exe
Size

3.6MB
MD5

d84404fd96fca52bb8af403da29b5b2d
SHA1

3a7ea9025de02dc3fd3d0ca1fc34ff9ebcf47b80
SHA256

9a4948fc1e1080e6e951ca91a1e6a063486dc228af0689cbe2dfcad919e356fe
SHA512

844626cb90136dfbe84ee70b5571b8e1aede8319cd608987b8637932519d3f53a4191356defa3298ae3806bd61fcd22f1a60429c6b70dceb13be42207bbd4abe
SSDEEP

49152:XnAQqMSPbcBVQej/1INRx+TSqTdX1HkQo6SA:XDqPoBhz1aRxcSUDk36SA

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3297) 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
4876	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	d84404fd96fca52bb8af403da29b5b2d_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	d84404fd96fca52bb8af403da29b5b2d_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	d84404fd96fca52bb8af403da29b5b2d_JaffaCakes118.exe

Modifies data under HKEY_USERS 5 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	d84404fd96fca52bb8af403da29b5b2d_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	d84404fd96fca52bb8af403da29b5b2d_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	d84404fd96fca52bb8af403da29b5b2d_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	d84404fd96fca52bb8af403da29b5b2d_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	d84404fd96fca52bb8af403da29b5b2d_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\d84404fd96fca52bb8af403da29b5b2d_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\d84404fd96fca52bb8af403da29b5b2d_JaffaCakes118.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:2400
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:4876

C:\Users\Admin\AppData\Local\Temp\d84404fd96fca52bb8af403da29b5b2d_JaffaCakes118.exe
C:\Users\Admin\AppData\Local\Temp\d84404fd96fca52bb8af403da29b5b2d_JaffaCakes118.exe -m security
1⤵
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:3240

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
4613c0f230c795e3aee9638f769c8658

SHA1
27e4fe1102087a820b975b6f5190db71b16aeae6

SHA256
0e6ba53dbfcfb9eed1ef7e20b1cc810ca607cdae3c75dc0293b966f8f499749d

SHA512
6ef62683d31790f1539492b8929c30bdf39de665af318caa4f5737aa91b5e82b0ddd06a383bd9ae4e6dd15cf57af4a8dbc57614804ea41bf3c92b61dce0c3002

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