wannacry | cd21ce23e1ff3e49d9c8ba2a696ac7a89b3555462f097fb41c718552bfc2fb6c

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
30-09-2024 09:44

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General

Target

2024-09-30_b80b888d3f54987589f09c1b9eae72e8_wannacry.exe
Size

5.0MB
MD5

b80b888d3f54987589f09c1b9eae72e8
SHA1

bfe0137524a2f4171dda7151eed0abb4393b001e
SHA256

cd21ce23e1ff3e49d9c8ba2a696ac7a89b3555462f097fb41c718552bfc2fb6c
SHA512

a4ce2baa2bef00e82e4466e596d4ce5f64edd3a19e0bd2cf5ffce06d7a8c9cbe5d1fed15077d6f294846981555f030d37a235f7e6f58060c27b2da69c2fcb7d2
SSDEEP

24576:bbLgdeQhfdmMSirYbcMNgef0QeQjG/D8kIqRYoAdNLK:bnjQqMSPbcBVQej/1IN

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3176) 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
2708	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	2024-09-30_b80b888d3f54987589f09c1b9eae72e8_wannacry.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\WINDOWS\tasksche.exe	2024-09-30_b80b888d3f54987589f09c1b9eae72e8_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	2024-09-30_b80b888d3f54987589f09c1b9eae72e8_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-09-30_b80b888d3f54987589f09c1b9eae72e8_wannacry.exe

Modifies data under HKEY_USERS 1 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	2024-09-30_b80b888d3f54987589f09c1b9eae72e8_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-09-30_b80b888d3f54987589f09c1b9eae72e8_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-09-30_b80b888d3f54987589f09c1b9eae72e8_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:1992
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:2708

C:\Users\Admin\AppData\Local\Temp\2024-09-30_b80b888d3f54987589f09c1b9eae72e8_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-09-30_b80b888d3f54987589f09c1b9eae72e8_wannacry.exe -m security
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:2496

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
24a2668fb4148b58b26cd98bfbd72daa

SHA1
7242a546804313d2c1ba776b32fc92ee48538896

SHA256
d586ddf9932bf682eb6f14b022dcde7dfe0b7e496afd8218947d5596f2177afc

SHA512
4daff2eabf726844004ef60627fd532fb4f141abd4b46ab6f4375bde55c0601b1e2847c2238eeaa5b10760242581f33f6a8917425ce312bf91251bac37792d5e

Download Submit
memory/1992-0-0x0000000000400000-0x0000000000A72000-memory.dmp

Filesize
6.4MB

Download
memory/1992-6-0x0000000000400000-0x0000000000A72000-memory.dmp

Filesize
6.4MB

Download
memory/2496-1-0x0000000000400000-0x0000000000A72000-memory.dmp

Filesize
6.4MB

Download
memory/2496-7-0x0000000000400000-0x0000000000A72000-memory.dmp

Filesize
6.4MB

Download