wannacry | a4975dd0b874dfe6cd94e148942d44bdca500d8aa68cc707c24d48722924ee50

Analysis

max time kernel
150s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
22-09-2024 15:09

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General

Target

f243a973f9541a3e3ac562b623e378b2_JaffaCakes118.exe
Size

3.6MB
MD5

f243a973f9541a3e3ac562b623e378b2
SHA1

8ac13a8f203100168d3c8069d79a0a8697e08886
SHA256

a4975dd0b874dfe6cd94e148942d44bdca500d8aa68cc707c24d48722924ee50
SHA512

8a6111a0cd88758cd85e340de529af51e05f51824e0f7fda881880c9dfebe8c16d9ae76a7469adc65f038fa0467135b2ddc13a1daa76c003716cd6c0dddab6b2
SSDEEP

98304:yDqPoBgxcSUj6SAEdhvxWa9P593o8yAVp2HI:yDqPPxcpZAEUadzo8yc4HI

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3271) 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
2540	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	f243a973f9541a3e3ac562b623e378b2_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	f243a973f9541a3e3ac562b623e378b2_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	f243a973f9541a3e3ac562b623e378b2_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\UNCAsIntranet = "1"	f243a973f9541a3e3ac562b623e378b2_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	f243a973f9541a3e3ac562b623e378b2_JaffaCakes118.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	f243a973f9541a3e3ac562b623e378b2_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	f243a973f9541a3e3ac562b623e378b2_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	f243a973f9541a3e3ac562b623e378b2_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\f243a973f9541a3e3ac562b623e378b2_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\f243a973f9541a3e3ac562b623e378b2_JaffaCakes118.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:4748
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:2540

C:\Users\Admin\AppData\Local\Temp\f243a973f9541a3e3ac562b623e378b2_JaffaCakes118.exe
C:\Users\Admin\AppData\Local\Temp\f243a973f9541a3e3ac562b623e378b2_JaffaCakes118.exe -m security
1⤵
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:4112

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
e11f32869e10c3881f7e3c1be4c07c30

SHA1
324aa6f58651e7ed0219d57aa0422413bc63dd1a

SHA256
cc16cc52d6ce6de739129f43c2efcbda97cc37a997929061d4bc9b969e54e632

SHA512
0b85ac254bbca4830ea2d28fe153c1c730d3d94c277ace2fb75cf413a913b26d9c26301303a36fee80ce16e354327ba9407a1171151cd1f2addfc263ef8bd1e4

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