wannacry | 57b29058a1e87d599285cf0a07dd82e65a58dbdaae0f2cf77c6999e49bb4be4b

Analysis

max time kernel
150s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20220901-en
resource tags

arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
submitted
26/10/2022, 12:40

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General

Target

57b29058a1e87d599285cf0a07dd82e65a58dbdaae0f2cf77c6999e49bb4be4b.exe
Size

3.6MB
MD5

f863dc33ad476c34dfd139230acebbde
SHA1

126698d59579a0c020b8ec140a0009b0aeb8fc4c
SHA256

57b29058a1e87d599285cf0a07dd82e65a58dbdaae0f2cf77c6999e49bb4be4b
SHA512

f4bab399ada745adf26411984357226a874dcf0b3b611d237d132814ee2b325e1da7e553da9edef35f0251ae8251eeeedbb01b167471f98f938cb0337623c03c
SSDEEP

98304:Z8rPoBhz6aRxcSUDk36SAEdhvxWa9v5y3R8yAdR:Z8rPe6Cxcxk3ZAEUatuR8yA

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3219) amount of remote hosts 1 TTPs
This may indicate a network scan to discover remotely running services.
discovery

Network Service Scanning
T1046

Detects WannaCry Ransomware 1 IoCs

resource	yara_rule
behavioral2/files/0x0001000000022dfd-132.dat	WannaCry_Ransomware

Executes dropped EXE 1 IoCs

pid	Process
3988	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 Scanning
T1046

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\WINDOWS\tasksche.exe	57b29058a1e87d599285cf0a07dd82e65a58dbdaae0f2cf77c6999e49bb4be4b.exe

C:\Users\Admin\AppData\Local\Temp\57b29058a1e87d599285cf0a07dd82e65a58dbdaae0f2cf77c6999e49bb4be4b.exe
"C:\Users\Admin\AppData\Local\Temp\57b29058a1e87d599285cf0a07dd82e65a58dbdaae0f2cf77c6999e49bb4be4b.exe"
1⤵
- Drops file in Windows directory
PID:1580
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:3988

C:\Users\Admin\AppData\Local\Temp\57b29058a1e87d599285cf0a07dd82e65a58dbdaae0f2cf77c6999e49bb4be4b.exe
C:\Users\Admin\AppData\Local\Temp\57b29058a1e87d599285cf0a07dd82e65a58dbdaae0f2cf77c6999e49bb4be4b.exe -m security
1⤵
PID:3468

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Network Service Scanning

T1046

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Windows\tasksche.exe

Filesize
3.4MB

MD5
36894136c411d876af4b2b06056826c9

SHA1
2d949657e2bc0fa932f106a47eece4ea589e8a6b

SHA256
a60453c65fdb211bf2a0c45b73977fbd6ed1bfd46de262e76e4d56a5027e0209

SHA512
f614ee19874b17448da9fb677a9b2f8b73e5498d8d20a7a2769baa4354c1c99be5f75d1a55265d2b0a923c5c6a559f41eb02bd799c07fe9338af312f5dc48952

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