wannacry | 57d55ccf3a33c78e4219006823190762695ba268aaab65b58146921f7e6a95c9

Analysis

max time kernel
150s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
10-10-2024 22:04

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General

Target

2024-10-10_7e6c59c732ee47052ddf19cbb487ffe8_wannacry.exe
Size

3.6MB
MD5

7e6c59c732ee47052ddf19cbb487ffe8
SHA1

5207a302364c3c505376f87e2f39a433c0b19f95
SHA256

57d55ccf3a33c78e4219006823190762695ba268aaab65b58146921f7e6a95c9
SHA512

38a605b8077292a6af1b5dc9a28664b641820c8da35fa5f5cbd06df65414cb8c79f929cfc265f37e57067b96de3a51c0390c8ec7efcdf2be70f2127a4ffb9e58
SSDEEP

6144:GE9l9yUqIYVTH5DgSg8ajldktM0XXrP2QhMV9qbBLIwYev:GvbLgPlu+QhMbaIav

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3354) 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
2544	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 Windows directory 1 IoCs

description	ioc	Process
File created	C:\WINDOWS\tasksche.exe	2024-10-10_7e6c59c732ee47052ddf19cbb487ffe8_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	2024-10-10_7e6c59c732ee47052ddf19cbb487ffe8_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-10-10_7e6c59c732ee47052ddf19cbb487ffe8_wannacry.exe

Modifies data under HKEY_USERS 5 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-10-10_7e6c59c732ee47052ddf19cbb487ffe8_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	2024-10-10_7e6c59c732ee47052ddf19cbb487ffe8_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	2024-10-10_7e6c59c732ee47052ddf19cbb487ffe8_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	2024-10-10_7e6c59c732ee47052ddf19cbb487ffe8_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	2024-10-10_7e6c59c732ee47052ddf19cbb487ffe8_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-10-10_7e6c59c732ee47052ddf19cbb487ffe8_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-10-10_7e6c59c732ee47052ddf19cbb487ffe8_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:2872
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:2544

C:\Users\Admin\AppData\Local\Temp\2024-10-10_7e6c59c732ee47052ddf19cbb487ffe8_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-10-10_7e6c59c732ee47052ddf19cbb487ffe8_wannacry.exe -m security
1⤵
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:5052

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
5204a61c23289b84d57121a71a547031

SHA1
8cb7fc7f3447c72f8782e76fc44c5edf0891a4c0

SHA256
bbe800313d4240dbc64643e1aa67733f7f0373f19bd9b61547edcebdaa95c853

SHA512
28ae4c4f52ef1e180f924c61c9021b371766bfcb7aa22ea869513c73ae6afc6e8a60f937dcd5adce6d32d5cc6cbc87fcfaaa74ce1f048065b5f1a841fec762fb

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