wannacry | eedad52a0ea9b2141fd4d2a952404901e6b06fe1b773c7891653bed557b124c4

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
20-09-2024 00:29

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General

Target

ec7c04d35c2286c9d7ece311567c5d9f_JaffaCakes118.exe
Size

3.6MB
MD5

ec7c04d35c2286c9d7ece311567c5d9f
SHA1

7d87103843cade4ce5b4c22a9291beec79175e13
SHA256

eedad52a0ea9b2141fd4d2a952404901e6b06fe1b773c7891653bed557b124c4
SHA512

da7c6cf3a1955de4889915f0468696f73d92b9169ab084724b9d05fe100796cc2251345a6e318a5e333ee40abbd433fb142c20332a9a74dc9d60ed97199aa0b8
SSDEEP

98304:yDqPoBhz1aRxcSUDk36SAEdhvxWa9P538yAVp2HI:yDqPe1Cxcxk3ZAEUadl8yc4HI

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3168) 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
3352	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	ec7c04d35c2286c9d7ece311567c5d9f_JaffaCakes118.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	ec7c04d35c2286c9d7ece311567c5d9f_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ec7c04d35c2286c9d7ece311567c5d9f_JaffaCakes118.exe

Modifies data under HKEY_USERS 5 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	ec7c04d35c2286c9d7ece311567c5d9f_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	ec7c04d35c2286c9d7ece311567c5d9f_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	ec7c04d35c2286c9d7ece311567c5d9f_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	ec7c04d35c2286c9d7ece311567c5d9f_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	ec7c04d35c2286c9d7ece311567c5d9f_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\ec7c04d35c2286c9d7ece311567c5d9f_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\ec7c04d35c2286c9d7ece311567c5d9f_JaffaCakes118.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:4116
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:3352

C:\Users\Admin\AppData\Local\Temp\ec7c04d35c2286c9d7ece311567c5d9f_JaffaCakes118.exe
C:\Users\Admin\AppData\Local\Temp\ec7c04d35c2286c9d7ece311567c5d9f_JaffaCakes118.exe -m security
1⤵
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:1404

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
e68c05730b569d934ae8ef96cb9aa325

SHA1
668ba1e111db89469ce41256f8bfc36a2b2f7167

SHA256
4f6cb1e935d15a61868d021cc9c4d0762bcb6d16d782065500e172abfd69fbe4

SHA512
6bafc7076182066c36ef71e6969d67700b3b78b152139e62ccf795c4ac1125a76d8a9954424eaa598279192a13aefa580efd8a880a86d3e2ec4b469b8137d5eb

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