wannacry | f4f943e26ed468a361e096243c593d3e732c493fa5400fabe8ecf423381dc59d

Analysis

max time kernel
150s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
09-09-2024 06:19

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General

Target

d5c6e55b4a240a7fbc2e8ff6aa1841c5_JaffaCakes118.exe
Size

3.6MB
MD5

d5c6e55b4a240a7fbc2e8ff6aa1841c5
SHA1

d9a6313e02962a4c23b9545c020e6d5f2412bf4f
SHA256

f4f943e26ed468a361e096243c593d3e732c493fa5400fabe8ecf423381dc59d
SHA512

4500390ffd2facfa0d66077467a36a1288b51861d358296c6a0d1dbb77356c6f7d80caf15db07c4ff9f1a41b484628e7fb4963d6a57e44c20d7b7ab9b766f226
SSDEEP

98304:yDqPophz1aRxcSUDk36SAEdhvxWa9P593N:yDqPu1Cxcxk3ZAEUadzN

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3212) 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
3764	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	d5c6e55b4a240a7fbc2e8ff6aa1841c5_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	d5c6e55b4a240a7fbc2e8ff6aa1841c5_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	d5c6e55b4a240a7fbc2e8ff6aa1841c5_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\IntranetName = "1"	d5c6e55b4a240a7fbc2e8ff6aa1841c5_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	d5c6e55b4a240a7fbc2e8ff6aa1841c5_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	d5c6e55b4a240a7fbc2e8ff6aa1841c5_JaffaCakes118.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	d5c6e55b4a240a7fbc2e8ff6aa1841c5_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	d5c6e55b4a240a7fbc2e8ff6aa1841c5_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\d5c6e55b4a240a7fbc2e8ff6aa1841c5_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\d5c6e55b4a240a7fbc2e8ff6aa1841c5_JaffaCakes118.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:1200
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:3764

C:\Users\Admin\AppData\Local\Temp\d5c6e55b4a240a7fbc2e8ff6aa1841c5_JaffaCakes118.exe
C:\Users\Admin\AppData\Local\Temp\d5c6e55b4a240a7fbc2e8ff6aa1841c5_JaffaCakes118.exe -m security
1⤵
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:1672

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
7063ddaee9683f133aba18902bc459b6

SHA1
3acca6740bdef00971c6d770633da692bd329fa2

SHA256
2b32dafb9194d083013f0101bc5436fd47235b9201bce3407121aa5ebe10a7f8

SHA512
07ab0cc65cad47837fabdf72124d246b84fc0d8787ba66de56e611df61348d15adce6b4df85c26e74b22e80de816e61209d36ad42e86fd5ad1bad29cb216efe9

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