wannacry | c2be1e3f4493f5bdaf1fea487609eb0f94eebbfc900ea629eea09b63f62d65c8

Analysis

max time kernel
150s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20250314-en
resource tags

arch:x64arch:x86image:win10v2004-20250314-enlocale:en-usos:windows10-2004-x64system
submitted
30/03/2025, 06:18

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General

Target

2025-03-30_856dcc871eaa1ed42aabb5e5affc08ab_wannacry.exe
Size

5.0MB
MD5

856dcc871eaa1ed42aabb5e5affc08ab
SHA1

3bba098a1ca8245e6eb2f1a6781a092d1e26fce6
SHA256

c2be1e3f4493f5bdaf1fea487609eb0f94eebbfc900ea629eea09b63f62d65c8
SHA512

825d0570d5385851422b7907ce43ca732dd07bb929feee41dbd3cffa7b09734a77e94cc85ddb4f0235d0a7e694d4225b5aae165d0c3c17c2a1e9d9e89e0c6548
SSDEEP

98304:XDqzz1aRxcSUDk36SAEdhvxWa9P593R8yAVp2Hu:XDqn1Cxcxk3ZAEUadzR8yc4Hu

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 (3357) 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
1352	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	2025-03-30_856dcc871eaa1ed42aabb5e5affc08ab_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	2025-03-30_856dcc871eaa1ed42aabb5e5affc08ab_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-03-30_856dcc871eaa1ed42aabb5e5affc08ab_wannacry.exe

Modifies data under HKEY_USERS 5 IoCs

description	ioc	Process
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	2025-03-30_856dcc871eaa1ed42aabb5e5affc08ab_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	2025-03-30_856dcc871eaa1ed42aabb5e5affc08ab_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	2025-03-30_856dcc871eaa1ed42aabb5e5affc08ab_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2025-03-30_856dcc871eaa1ed42aabb5e5affc08ab_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	2025-03-30_856dcc871eaa1ed42aabb5e5affc08ab_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2025-03-30_856dcc871eaa1ed42aabb5e5affc08ab_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2025-03-30_856dcc871eaa1ed42aabb5e5affc08ab_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:3304
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:1352

C:\Users\Admin\AppData\Local\Temp\2025-03-30_856dcc871eaa1ed42aabb5e5affc08ab_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2025-03-30_856dcc871eaa1ed42aabb5e5affc08ab_wannacry.exe -m security
1⤵
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:1420

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
1bbffaa7de860d78de68c363a9c9963b

SHA1
f28ab9e4afabb047f63265640efac8d3b1e00e4a

SHA256
d1b3ad243b579345c41ff92be36d71c6b9c66d04aacbec7820b9453615a58a3a

SHA512
317012fda97f68e68c68e4df44df0a13d391c9852263d53fc2e63fd5f70726cfab6736a37cd8def54da90c4f637c872e3ba2c2d6e192d1be4f59140b3b09eb12

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