wannacry | d361c887689a145acff8cb6a432af86a48a199861797bdf05ca62b324f1519b3

Analysis

max time kernel
150s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
17-09-2024 07:32

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General

Target

e6550103a7fdd68938fbe3139287b9ff_JaffaCakes118.exe
Size

3.6MB
MD5

e6550103a7fdd68938fbe3139287b9ff
SHA1

90a72896d4c2ba39c12c58e29d308ebc681c1586
SHA256

d361c887689a145acff8cb6a432af86a48a199861797bdf05ca62b324f1519b3
SHA512

35d5aaf40415dd4cc603420635327c7cb00cfed6780953ce0986307f92c892e1cc80823115403236402df6537216d1d3b0b57c24fa1c491b10d3ec459f3c2c23
SSDEEP

49152:2nAQqMSPbcBVJ6SAARdhnvxJM0H9PAMEc:yDqPoBf6SAEdhvxWa9P5

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3347) 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
2076	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	e6550103a7fdd68938fbe3139287b9ff_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	e6550103a7fdd68938fbe3139287b9ff_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	e6550103a7fdd68938fbe3139287b9ff_JaffaCakes118.exe

Modifies data under HKEY_USERS 5 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	e6550103a7fdd68938fbe3139287b9ff_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	e6550103a7fdd68938fbe3139287b9ff_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	e6550103a7fdd68938fbe3139287b9ff_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	e6550103a7fdd68938fbe3139287b9ff_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	e6550103a7fdd68938fbe3139287b9ff_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\e6550103a7fdd68938fbe3139287b9ff_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\e6550103a7fdd68938fbe3139287b9ff_JaffaCakes118.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:4768
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:2076

C:\Users\Admin\AppData\Local\Temp\e6550103a7fdd68938fbe3139287b9ff_JaffaCakes118.exe
C:\Users\Admin\AppData\Local\Temp\e6550103a7fdd68938fbe3139287b9ff_JaffaCakes118.exe -m security
1⤵
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:4316

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
79b93fbfd8c16c1dcd070db1bf3f6c18

SHA1
ef03d963bfbe6b1a1f698f0a9b618a00eea134d0

SHA256
a3c2def31a9dcba9aab81ef83b78d12b21f87f20b1d7a114e135ad7e76d13015

SHA512
38b2febc9412e8eb4246e9a4f3d55db2b5eeb728fa46e7164ab9d6d7a896f9a514ae8816c986cf91c432c71d3e6233b9e19e2be3f8c4291cce0595eb2480de92

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