wannacry | 365960884204a7f88c6b2b88bc9532b4139b2570c73a204862810e33d0761d4d

Analysis

max time kernel
150s
max time network
153s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
23-10-2024 11:55

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General

Target

2024-10-23_6e5af005425bf4ce4fe05e534402b690_wannacry.exe
Size

5.0MB
MD5

6e5af005425bf4ce4fe05e534402b690
SHA1

4a0a36c85d72f221cbefdeee5c7016e13c523250
SHA256

365960884204a7f88c6b2b88bc9532b4139b2570c73a204862810e33d0761d4d
SHA512

7a1c1db9beda357b2201b140e811df911bd12c8970d209a4b016d8459167b1267ac4f66512de104170bf91e9769b6d943daae6a3f369e8bb61ab737f03795dc8
SSDEEP

6144:GE9l9ynqIYVTH5DgSg8ajldktM0XXrs2QhMV9qbBLIwY:GebLgPluxQhMbaI

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3115) 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
2076	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	2024-10-23_6e5af005425bf4ce4fe05e534402b690_wannacry.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\WINDOWS\tasksche.exe	2024-10-23_6e5af005425bf4ce4fe05e534402b690_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	2024-10-23_6e5af005425bf4ce4fe05e534402b690_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-10-23_6e5af005425bf4ce4fe05e534402b690_wannacry.exe

Modifies data under HKEY_USERS 1 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	2024-10-23_6e5af005425bf4ce4fe05e534402b690_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-10-23_6e5af005425bf4ce4fe05e534402b690_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-10-23_6e5af005425bf4ce4fe05e534402b690_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:2524
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:2076

C:\Users\Admin\AppData\Local\Temp\2024-10-23_6e5af005425bf4ce4fe05e534402b690_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-10-23_6e5af005425bf4ce4fe05e534402b690_wannacry.exe -m security
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:1864

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
a60dff89f415a20788b795a520c5fb91

SHA1
3f5f7207bcda9f7e2554df056d81ff70477d3937

SHA256
42d6f4a41291bc5359abb33f644c43b80f6c76ffb328ef733471b89a2ea9e4ee

SHA512
6dee1a4ac03ddc67ccca0a38ca0ef9d321ae79c1dee65c24c12fae67526f3b2123d1a4f15e4cc4043044c5137e86a432635e36a2a98045ea4a497bf7afab8dba

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