wannacry | ada30fb610842fec37c60f0b79b870bf89c23e440ed9792c694eb686b7bda4f3

Analysis

max time kernel
150s
max time network
150s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
06-12-2024 10:52

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General

Target

2024-12-06_2748792d0734861f8c6e227ad2819dc2_wannacry.exe
Size

5.0MB
MD5

2748792d0734861f8c6e227ad2819dc2
SHA1

91a59a816a3d2e424b349f6ce2edfd95d93c2348
SHA256

ada30fb610842fec37c60f0b79b870bf89c23e440ed9792c694eb686b7bda4f3
SHA512

17fd821477fd42b1f60f92c0687cb79f89204dae5ec0eed4fe49d57714507219bfedf50c1425bd7fbd3a119741e6137fa85ca686da15c28c36ed8e038c057a8e
SSDEEP

12288:GwbLgPluxQhMbaIMu7L5NVErCA4z2g6rTcbckPU82900Ve7zw+K+:VbLgdeQhfdmMSirYbcMNgef0

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Wannacry family
wannacry
Contacts a large (3356) 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
1808	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	2024-12-06_2748792d0734861f8c6e227ad2819dc2_wannacry.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\WINDOWS\tasksche.exe	2024-12-06_2748792d0734861f8c6e227ad2819dc2_wannacry.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	2024-12-06_2748792d0734861f8c6e227ad2819dc2_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-12-06_2748792d0734861f8c6e227ad2819dc2_wannacry.exe

Modifies data under HKEY_USERS 1 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	2024-12-06_2748792d0734861f8c6e227ad2819dc2_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-12-06_2748792d0734861f8c6e227ad2819dc2_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-12-06_2748792d0734861f8c6e227ad2819dc2_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:1984
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:1808

C:\Users\Admin\AppData\Local\Temp\2024-12-06_2748792d0734861f8c6e227ad2819dc2_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-12-06_2748792d0734861f8c6e227ad2819dc2_wannacry.exe -m security
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:2512

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
8dd4d54feaff8d6ff36f49f89c3a4a27

SHA1
843a44037edcf209de869d513fe6efb156df705b

SHA256
c00db25c6e4fcbe6e753a47ba382fb2427eeec9d1b092ab0e82f50a45d1cca99

SHA512
c6787456b55421111c3bae12ef65c6ccfa1a1bce7bcbde1b3cb1422441caa7690d33425aacc075707fd2fad7e77e4296c525fec61a8135220fb54cfaeff49fcd

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