wannacry | 0136e271dc5aa1c134738a0eedb6bb662a0b7d45697d964d38af4c117d3c5f65

Analysis

max time kernel
150s
max time network
150s
platform
windows7_x64
resource
win7-20240419-en
resource tags

arch:x64arch:x86image:win7-20240419-enlocale:en-usos:windows7-x64system
submitted
04-07-2024 12:24

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General

Target

2024-07-04_1f132682160c33b85bc32f280b2ce70c_wannacry.exe
Size

5.0MB
MD5

1f132682160c33b85bc32f280b2ce70c
SHA1

47666b3d473c5529ba76951a1f749f01b6e1ceb5
SHA256

0136e271dc5aa1c134738a0eedb6bb662a0b7d45697d964d38af4c117d3c5f65
SHA512

3c6d229b4be308fd6788072c202b42e06fbe92c4777ffd241f47b91e36b7c4d285cab7cfe7160cb7b3cba6b9115704dac054e0edfd5648854d6d0832c5189d94
SSDEEP

49152:VnjQWKUacBVQej/1INRx+TSqTdX1HkQo6SAARdhnv:Z8IfBhz1aRxcSUDk36SAEdhv

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3236) 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
3028	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 System32 directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\Temporary Internet Files\counters.dat	2024-07-04_1f132682160c33b85bc32f280b2ce70c_wannacry.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\WINDOWS\tasksche.exe	2024-07-04_1f132682160c33b85bc32f280b2ce70c_wannacry.exe

Modifies data under HKEY_USERS 1 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	2024-07-04_1f132682160c33b85bc32f280b2ce70c_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-07-04_1f132682160c33b85bc32f280b2ce70c_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-07-04_1f132682160c33b85bc32f280b2ce70c_wannacry.exe"
1⤵
- Drops file in Windows directory
PID:1680
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:3028

C:\Users\Admin\AppData\Local\Temp\2024-07-04_1f132682160c33b85bc32f280b2ce70c_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-07-04_1f132682160c33b85bc32f280b2ce70c_wannacry.exe -m security
1⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
PID:3048

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Network Service Discovery

T1046

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Windows\tasksche.exe

Filesize
3.4MB

MD5
e137dadbaba64454a258e8f6f914dad4

SHA1
a039e8110d1a9b8209a49e12b2bafbcb2f117091

SHA256
ba0d9257fbda935cf006187d932aa839ad0985292e9ff0eb3ddad40d24cba26d

SHA512
78ad08ad991e5d70cdd682cba522ee1f907a671114f8dba3443f740d6b7d8cda72c1068e994be30869fd42ba9e21b663341e7f30e9d948bdbc0a98de08c42478

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