wannacry | 922eec30b63df6b860ba717f76656069b0e135d241ed9eefb320a33fd91408a7

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
21-11-2024 11:09

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General

Target

2024-11-21_d55ce6035799879f67cc948fe8965c32_wannacry.exe
Size

5.0MB
MD5

d55ce6035799879f67cc948fe8965c32
SHA1

3931c58bebacb79cd72a46e11222cd83349e20b1
SHA256

922eec30b63df6b860ba717f76656069b0e135d241ed9eefb320a33fd91408a7
SHA512

22e0b22b6777e1003bfaf482eb045cbdfbf997083177ed704883f004691d77a28a9777329c7551a7e7883f5abcf22b9e021f0712de84e79bb5ec23c0ffb7efa2
SSDEEP

49152:snjQyMSPbcBVQej/1INRx+TSqTdX1HkQo6SAARdhnv:M8yPoBhz1aRxcSUDk36SAEdhv

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 (3316) 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
2516	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	2024-11-21_d55ce6035799879f67cc948fe8965c32_wannacry.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\WINDOWS\tasksche.exe	2024-11-21_d55ce6035799879f67cc948fe8965c32_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	2024-11-21_d55ce6035799879f67cc948fe8965c32_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-11-21_d55ce6035799879f67cc948fe8965c32_wannacry.exe

Modifies data under HKEY_USERS 1 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	2024-11-21_d55ce6035799879f67cc948fe8965c32_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-11-21_d55ce6035799879f67cc948fe8965c32_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-11-21_d55ce6035799879f67cc948fe8965c32_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:2396
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:2516

C:\Users\Admin\AppData\Local\Temp\2024-11-21_d55ce6035799879f67cc948fe8965c32_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-11-21_d55ce6035799879f67cc948fe8965c32_wannacry.exe -m security
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:2108

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
a4dd22492601ebeda5c3e006f5c95f33

SHA1
22faa5fd5a0e472926c0b36e1fdbfaccb1e38642

SHA256
34ac04122a429e7fae4c570635a06d5e2d58807c16ee4bcf9232a260503f74b9

SHA512
7624035b9e6f8618990c7720716078f878254ea330327a2f543daf500c1b102e371de9282c54527bbaf62ced89bc389bcf7539150dc0bb4ea275c7ef508739f9

Download Submit
memory/2108-1-0x0000000000400000-0x0000000000A72000-memory.dmp

Filesize
6.4MB

Download
memory/2108-7-0x0000000000400000-0x0000000000A72000-memory.dmp

Filesize
6.4MB

Download
memory/2396-0-0x0000000000400000-0x0000000000A72000-memory.dmp

Filesize
6.4MB

Download
memory/2396-6-0x0000000000400000-0x0000000000A72000-memory.dmp

Filesize
6.4MB

Download