wannacry | 019b5b40e2526eed81c554cc371b2929f4df1260e51f184e91262687b06dc313

Analysis

max time kernel
150s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240426-en
resource tags

arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
submitted
14-05-2024 17:07

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General

Target

424626e6b6da5acf0b30070599fc158b_JaffaCakes118.exe
Size

3.6MB
MD5

424626e6b6da5acf0b30070599fc158b
SHA1

9c1a6bc8cc4a1c434e40500fd30056a3433f8c90
SHA256

019b5b40e2526eed81c554cc371b2929f4df1260e51f184e91262687b06dc313
SHA512

315c69857c62984965c602f910a980335150bc0c68c0b934bc927873ded9c7ccadfc1c223a30aee209c897a41950854a6c0ade85818f34c9f835eb327baa6be2
SSDEEP

98304:yDqPoBfxcSUDk36SAEdhvxWa9P593R8yAVp2HI:yDqPIxcxk3ZAEUadzR8yc4HI

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3325) 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
2464	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	424626e6b6da5acf0b30070599fc158b_JaffaCakes118.exe

Modifies data under HKEY_USERS 5 IoCs

description	ioc	Process
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	424626e6b6da5acf0b30070599fc158b_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	424626e6b6da5acf0b30070599fc158b_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	424626e6b6da5acf0b30070599fc158b_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	424626e6b6da5acf0b30070599fc158b_JaffaCakes118.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	424626e6b6da5acf0b30070599fc158b_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\424626e6b6da5acf0b30070599fc158b_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\424626e6b6da5acf0b30070599fc158b_JaffaCakes118.exe"
1⤵
- Drops file in Windows directory
PID:512
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:2464

C:\Users\Admin\AppData\Local\Temp\424626e6b6da5acf0b30070599fc158b_JaffaCakes118.exe
C:\Users\Admin\AppData\Local\Temp\424626e6b6da5acf0b30070599fc158b_JaffaCakes118.exe -m security
1⤵
- Modifies data under HKEY_USERS
PID:2588

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
bbbda995e02cf78c74e13de88a1a8ae1

SHA1
d0fa8ad9355b91d56188fef81d6bf30f99a7bc90

SHA256
f3fd4e819e0dd8bcdeebd1a90bed851632b1894a3cb082055164ef40e6ec9a0b

SHA512
251cb11f7d1bcc98e75f6ad257a522566b4f8db3d53cf6f6208998da50c9b0749de4aa1c45a2a32202011a2fddf4ae28dc94cf83900746c8fb80f3decb86dc8f

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