wannacry | 91a1d5890994eac03d50ea65fa9e945f963dbb6bb16c9b06cd8e58862bf99654

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 15:25

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General

Target

2024-09-15_74c3064683c4bcd4cbd91e8229eacab9_wannacry.exe
Size

3.6MB
MD5

74c3064683c4bcd4cbd91e8229eacab9
SHA1

72a8917bdebee1b332fe5840611cacc5cb84900b
SHA256

91a1d5890994eac03d50ea65fa9e945f963dbb6bb16c9b06cd8e58862bf99654
SHA512

3bebf03ad4d8d5799d6c61747b4282e7748c865d382e490314c1bf7749482a8d1ef64852ea0c5f44dac973bde8075f8c385c1251d939b8e799daec5b9f47eae2
SSDEEP

49152:XnjQqMSPbcBVQej/+INRx+TSqTdX1HkQo6SAARdhnvxJM0H9PAMEc:X8qPoBhz+aRxcSUDk36SAEdhvxWa9P5

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3292) 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
3736	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	2024-09-15_74c3064683c4bcd4cbd91e8229eacab9_wannacry.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	2024-09-15_74c3064683c4bcd4cbd91e8229eacab9_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-09-15_74c3064683c4bcd4cbd91e8229eacab9_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-09-15_74c3064683c4bcd4cbd91e8229eacab9_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-09-15_74c3064683c4bcd4cbd91e8229eacab9_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:2416
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:3736

C:\Users\Admin\AppData\Local\Temp\2024-09-15_74c3064683c4bcd4cbd91e8229eacab9_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-09-15_74c3064683c4bcd4cbd91e8229eacab9_wannacry.exe -m security
1⤵
- System Location Discovery: System Language Discovery
PID:3312

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
e9d695d4309a3625e48b93b7ba19a1c6

SHA1
14448a26fbccd158725e56f178c66fbcab6868be

SHA256
4ac35aa0531516659920f106dd39304b46f0c0f567f6e664250b0fbf59c2c041

SHA512
cf3e7bd22c68a5bd7825d20f9af5ccb8092ef2cdef011764700738fa214497aa79e43aa95f6713c969c1ba82e1038543c6ada633eef4a14e5ee6c10bba208577

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