wannacry | c4754629adc901191597842eaa64cbf48afa5c646d2b6fb81bb61868076befed

Analysis

max time kernel
150s
max time network
150s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
18-12-2024 13:54

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General

Target

2024-12-18_9ae8cc2c126e47876b12e2404d0cdf65_wannacry.exe
Size

5.0MB
MD5

9ae8cc2c126e47876b12e2404d0cdf65
SHA1

0f7451ab7ab3ff903d430032a6af67d09dd68823
SHA256

c4754629adc901191597842eaa64cbf48afa5c646d2b6fb81bb61868076befed
SHA512

1dafb42524d8249f9f5ad06b0d1c387a2b58d73380bb231051ae98a62db5b928170a6782c5c4dbdb6531f7cf2af06fde341d7b9cbe0954cd18bf6dbc1eb6fdec
SSDEEP

12288:GwbLgPluxQhMbaIMu7L5NVErCA4z2g6rTcbckPU:VbLgdeQhfdmMSirYbc

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 (3310) 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
2132	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	2024-12-18_9ae8cc2c126e47876b12e2404d0cdf65_wannacry.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\WINDOWS\tasksche.exe	2024-12-18_9ae8cc2c126e47876b12e2404d0cdf65_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	2024-12-18_9ae8cc2c126e47876b12e2404d0cdf65_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-12-18_9ae8cc2c126e47876b12e2404d0cdf65_wannacry.exe

Modifies data under HKEY_USERS 1 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	2024-12-18_9ae8cc2c126e47876b12e2404d0cdf65_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-12-18_9ae8cc2c126e47876b12e2404d0cdf65_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-12-18_9ae8cc2c126e47876b12e2404d0cdf65_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:2380
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:2132

C:\Users\Admin\AppData\Local\Temp\2024-12-18_9ae8cc2c126e47876b12e2404d0cdf65_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-12-18_9ae8cc2c126e47876b12e2404d0cdf65_wannacry.exe -m security
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:1084

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

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Downloads

C:\Windows\tasksche.exe

Filesize
3.4MB

MD5
257935138f98b7ee8316e79b018ae0cb

SHA1
44b0fb3618dc5a66934ce84bcee0ded77d8c6430

SHA256
f976547824f63c46cb2aeb32d0086c31ce0afde0bc9ff8b78fb0d0098279404a

SHA512
b25f4e65699d223b48800968cce2d28150a4989052f13f86c1ce9672a9063fd36577b5741f187ba1bdb443bebc7fbac065886cebc6329170c5af7ee1e7f06f1a

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