wannacry | 41ed570d9d35bb32bef937ed1919ce3232140b6d3334b0465ca974bfb0f8d277

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
11-10-2024 01:16

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General

Target

2024-10-11_fd8002f832aaa86b05488a14deaed2ea_wannacry.exe
Size

3.6MB
MD5

fd8002f832aaa86b05488a14deaed2ea
SHA1

c0409ab007d747401c23df39b5b15da2e1539187
SHA256

41ed570d9d35bb32bef937ed1919ce3232140b6d3334b0465ca974bfb0f8d277
SHA512

262784884008fa9b908b75bd245362668572814ae3c92c93896ca823a5567f5ed9dcf911171bb4b4e27a0a810c657483148d759aa79d8f07791cde55fb632eb6
SSDEEP

98304:X8qPoB1aRxcSUDk36SAEdhvxWa9P593R8yAVp2HI:X8qPcCxcxk3ZAEUadzR8yc4HI

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3188) 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
2376	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	2024-10-11_fd8002f832aaa86b05488a14deaed2ea_wannacry.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\WINDOWS\tasksche.exe	2024-10-11_fd8002f832aaa86b05488a14deaed2ea_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	2024-10-11_fd8002f832aaa86b05488a14deaed2ea_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-10-11_fd8002f832aaa86b05488a14deaed2ea_wannacry.exe

Modifies data under HKEY_USERS 1 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	2024-10-11_fd8002f832aaa86b05488a14deaed2ea_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-10-11_fd8002f832aaa86b05488a14deaed2ea_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-10-11_fd8002f832aaa86b05488a14deaed2ea_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:2336
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:2376

C:\Users\Admin\AppData\Local\Temp\2024-10-11_fd8002f832aaa86b05488a14deaed2ea_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-10-11_fd8002f832aaa86b05488a14deaed2ea_wannacry.exe -m security
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:2912

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
3afc2b96c1b8b59f985b422d9bc7a952

SHA1
f4fc92c5e3b882d21474abd1ed11e0db987e6012

SHA256
f3f668f59616556f6e4b4752f3802e26908c53f5a7457eeeeb458871f203f131

SHA512
928355beb5e4f9612807dbd901c4f244b77c3ba0198f881780974450676c16211d70945fd39a8ab22c8c65c80f5c405be54086ccb15d8a21990e2532c9be9e72

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