wannacry | a69cc37a02486869e05f37fd1d21b9e9b09a23953f211324f65233eafea63318

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
17-09-2024 05:00

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General

Target

e618154dd077e7f6eba7b2f99b5d26d8_JaffaCakes118.exe
Size

3.6MB
MD5

e618154dd077e7f6eba7b2f99b5d26d8
SHA1

edf654a75445e6467e388c95131c52f5199245ad
SHA256

a69cc37a02486869e05f37fd1d21b9e9b09a23953f211324f65233eafea63318
SHA512

e78722994167a0bd6be1c0a0666b5df4461a2db61b4e98b8608841329bdd28d7a2c96d12cbe46cce99dbf31fa58ccc2f048e6aa64f6e56b515897846077d69f9
SSDEEP

49152:2nAQqMSPbcBVQej/vRdhnvxJM0H9PAMEcaEau3R8yAH1plAHI:yDqPoBhzZdhvxWa9P593R8yAVp2HI

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3172) 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
5020	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	e618154dd077e7f6eba7b2f99b5d26d8_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	e618154dd077e7f6eba7b2f99b5d26d8_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	e618154dd077e7f6eba7b2f99b5d26d8_JaffaCakes118.exe

Modifies data under HKEY_USERS 5 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	e618154dd077e7f6eba7b2f99b5d26d8_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	e618154dd077e7f6eba7b2f99b5d26d8_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	e618154dd077e7f6eba7b2f99b5d26d8_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	e618154dd077e7f6eba7b2f99b5d26d8_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	e618154dd077e7f6eba7b2f99b5d26d8_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\e618154dd077e7f6eba7b2f99b5d26d8_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\e618154dd077e7f6eba7b2f99b5d26d8_JaffaCakes118.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:1748
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:5020

C:\Users\Admin\AppData\Local\Temp\e618154dd077e7f6eba7b2f99b5d26d8_JaffaCakes118.exe
C:\Users\Admin\AppData\Local\Temp\e618154dd077e7f6eba7b2f99b5d26d8_JaffaCakes118.exe -m security
1⤵
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:2952

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

Replay Monitor

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Downloads

C:\Windows\tasksche.exe

Filesize
3.4MB

MD5
3e53b45374a8503e63f2df3e88e613c2

SHA1
0c2b7394dca0334e23530a3a932930509995f3e8

SHA256
80f6575930da58ab38fe7bffdc8baf807c7cf68cd03e9ed2699c3d0ce6ad708e

SHA512
8c15cdd7114bbf82abc84790ac676e4804ba5f10f5b1b92cde8cbeb7cbdd45dc1316eaa91af218dae81620a40afaf336e89a1d06de42a591fe7d4b1b5f499366

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