wannacry | 993e95a63073362991f1532c7cada7a0f35d647dd795dc44a0dd54bcc6c5cb06

Analysis

max time kernel
150s
max time network
156s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
20-05-2024 06:30

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General

Target

5da581b5248ef51f23e378474f430028_JaffaCakes118.exe
Size

3.6MB
MD5

5da581b5248ef51f23e378474f430028
SHA1

15b2470540efa1d8e18e6a324b46c6c969703b79
SHA256

993e95a63073362991f1532c7cada7a0f35d647dd795dc44a0dd54bcc6c5cb06
SHA512

5f58a5451d75829b2ea890ce0ba2fd3869ced4c42fdfa592e0b9a7e627c622a45e200dcee4d2e24e27de3f9c3e0a19ddbf7d8d9d6cd0f7254d3a670c84a44f46
SSDEEP

98304:Z8qPoBhz1aRxcSUDk36SAEdhvxWa9P593R8yAw2F:Z8qPe1Cxcxk3ZAEUadzR8yA

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3171) 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
1396	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	5da581b5248ef51f23e378474f430028_JaffaCakes118.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\WINDOWS\tasksche.exe	5da581b5248ef51f23e378474f430028_JaffaCakes118.exe

Modifies data under HKEY_USERS 1 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	5da581b5248ef51f23e378474f430028_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\5da581b5248ef51f23e378474f430028_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\5da581b5248ef51f23e378474f430028_JaffaCakes118.exe"
1⤵
- Drops file in Windows directory
PID:2228
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:1396

C:\Users\Admin\AppData\Local\Temp\5da581b5248ef51f23e378474f430028_JaffaCakes118.exe
C:\Users\Admin\AppData\Local\Temp\5da581b5248ef51f23e378474f430028_JaffaCakes118.exe -m security
1⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
PID:1328

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
90938407c8be94d5c44223a758a76a76

SHA1
35a1d87f9b7806bb48076e9d06ebda7d8f3af3c2

SHA256
c14b363c8649574b0d23cea2c64c29cfabfb3bfe60f16728eb18ea622bde8706

SHA512
18604214eecabb998d4f40915dca5d38f86abe63a73c40b20fef4d6f6420dae1c056da00330773ad99baafc88a306da88770bb263f4958e3e13e06e6bacc18d4

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