wannacry | ef6d2087978542ab0ffcaaea6586a9965a008e44ae0186f1e4847ca0d5617baa

Analysis

max time kernel
150s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20250129-en
resource tags

arch:x64arch:x86image:win10v2004-20250129-enlocale:en-usos:windows10-2004-x64system
submitted
04-02-2025 14:03

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General

Target

2025-02-04_209a31fe0bc80e885ed773edc89e027f_wannacry.exe
Size

5.0MB
MD5

209a31fe0bc80e885ed773edc89e027f
SHA1

f8f3a0aacd076ce556412edffe1ace89b7566374
SHA256

ef6d2087978542ab0ffcaaea6586a9965a008e44ae0186f1e4847ca0d5617baa
SHA512

a8e1157404aba64d13b2c63f94a85d0c38be7739410dae374e8e516785e1d6592c0ae90fb88e48365a6edce84df3d295d54a3f3b22fcd9890f96082f17b09e7b
SSDEEP

98304:XDqPoBhz1aRxcSUDk36SAEdhvxWa9P5O:XDqPe1Cxcxk3ZAEUadI

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 (3278) 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
2096	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	2025-02-04_209a31fe0bc80e885ed773edc89e027f_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	2025-02-04_209a31fe0bc80e885ed773edc89e027f_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-02-04_209a31fe0bc80e885ed773edc89e027f_wannacry.exe

Modifies data under HKEY_USERS 5 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2025-02-04_209a31fe0bc80e885ed773edc89e027f_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	2025-02-04_209a31fe0bc80e885ed773edc89e027f_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	2025-02-04_209a31fe0bc80e885ed773edc89e027f_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	2025-02-04_209a31fe0bc80e885ed773edc89e027f_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	2025-02-04_209a31fe0bc80e885ed773edc89e027f_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2025-02-04_209a31fe0bc80e885ed773edc89e027f_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2025-02-04_209a31fe0bc80e885ed773edc89e027f_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:1104
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:2096

C:\Users\Admin\AppData\Local\Temp\2025-02-04_209a31fe0bc80e885ed773edc89e027f_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2025-02-04_209a31fe0bc80e885ed773edc89e027f_wannacry.exe -m security
1⤵
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:1484

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
b00efce31dd598031eac941155e8f994

SHA1
98d39b6241efee70579ce9fc193fe44d2c39f9c4

SHA256
5bbbc42020a34e029371f549ce9a94a2e83290688468414699c70ca26c4e382a

SHA512
f33a4b5965988b449ff3f58d281b482a08a6f26636d18f8134f64210011fd7b7e35061348ed6551e14b5ca2e4a0fab799075d3163069ec41eaeb9d685838b3d5

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