wannacry | 1b9c0f4b745b13987e0a4a4c38dd364af065d69709a9787ef8f247bf6827ec89

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
23/02/2025, 03:51

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General

Target

2025-02-23_368e7fc0f57d41a7dee5e4ad57fcb1a9_wannacry.exe
Size

5.0MB
MD5

368e7fc0f57d41a7dee5e4ad57fcb1a9
SHA1

bd2d8f4028b6ffddc6e8e683f8f7d55786432635
SHA256

1b9c0f4b745b13987e0a4a4c38dd364af065d69709a9787ef8f247bf6827ec89
SHA512

3a39b7a93d38395f259ac5969901dcdc02acc9f90945659c2a4bd654fb4da6ea8602bcf6302e29de28ff69862ebec7a61759ec357a4aaacd931a06a46c98138d
SSDEEP

12288:GwbLgPluxQhMbaIMu7L5NVErCA4z2g6rTcbckPU82900Ve7zw+K+7:VbLgdeQhfdmMSirYbcMNgef0W

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 (3355) 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
2820	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_368e7fc0f57d41a7dee5e4ad57fcb1a9_wannacry.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\WINDOWS\tasksche.exe	2025-02-23_368e7fc0f57d41a7dee5e4ad57fcb1a9_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_368e7fc0f57d41a7dee5e4ad57fcb1a9_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-02-23_368e7fc0f57d41a7dee5e4ad57fcb1a9_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_368e7fc0f57d41a7dee5e4ad57fcb1a9_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2025-02-23_368e7fc0f57d41a7dee5e4ad57fcb1a9_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2025-02-23_368e7fc0f57d41a7dee5e4ad57fcb1a9_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:2828
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:2820

C:\Users\Admin\AppData\Local\Temp\2025-02-23_368e7fc0f57d41a7dee5e4ad57fcb1a9_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2025-02-23_368e7fc0f57d41a7dee5e4ad57fcb1a9_wannacry.exe -m security
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:2884

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
1064133d439ae48fab2026338d9e75a2

SHA1
db85bc5a2eaac2c1796ef0cc556e3e93e94217ac

SHA256
48aa231231bf8a9d99f2aa189d27c8ede5bcc65f2457eb6ee02be319efff698e

SHA512
9815d2de2208a6d921f30b1f169a56272fddc8006164ea1368903c80e75fe8f884752bb08eed2ab7f7158d0ab91a1374effdd8cf36c779b5c55a594a87c94af9

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