wannacry | f125426f7eb7aa51dca76eb697072cd0578be28878391fb84897d77eea22bbb7

Analysis

max time kernel
150s
max time network
154s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
23/02/2025, 13:26

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General

Target

2025-02-23_25429f75642eabe83bd2ee4a0272a9ca_wannacry.exe
Size

5.0MB
MD5

25429f75642eabe83bd2ee4a0272a9ca
SHA1

0f7a1504a9069aeb407d856ea971016995eafc94
SHA256

f125426f7eb7aa51dca76eb697072cd0578be28878391fb84897d77eea22bbb7
SHA512

48be942ca73864042808bd969a20edb29db843a8af37f28bd2baa40e50bfbc8c6226b74adbfd6a7ca70a628429e6879e5262046ba8d14de8f68a8dfe5660925c
SSDEEP

98304:Z8qPoBhz1aRxcSUDk36SAEdhvxWa9P59:Z8qPe1Cxcxk3ZAEUad

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 (3148) 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
668	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	2025-02-23_25429f75642eabe83bd2ee4a0272a9ca_wannacry.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\WINDOWS\tasksche.exe	2025-02-23_25429f75642eabe83bd2ee4a0272a9ca_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	2025-02-23_25429f75642eabe83bd2ee4a0272a9ca_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-02-23_25429f75642eabe83bd2ee4a0272a9ca_wannacry.exe

Modifies data under HKEY_USERS 1 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	2025-02-23_25429f75642eabe83bd2ee4a0272a9ca_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2025-02-23_25429f75642eabe83bd2ee4a0272a9ca_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2025-02-23_25429f75642eabe83bd2ee4a0272a9ca_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:2600
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:668

C:\Users\Admin\AppData\Local\Temp\2025-02-23_25429f75642eabe83bd2ee4a0272a9ca_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2025-02-23_25429f75642eabe83bd2ee4a0272a9ca_wannacry.exe -m security
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:2160

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
511337a33c033dd48df0e646ede69ed6

SHA1
f642be00cf9fcae1d461b2108eac9ea9fe6eb2a9

SHA256
af96e346f64314fe1dece10510bb07585ee38abf0f58c280a8a0a21dcdc644ec

SHA512
285935b9907478112d7be737a48d78fe45ba99b825718810a9378d87040324f279f2f7e4c5475a49554b6658d9f2036cd61b99c66267084788951bebf64c9149

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