wannacry | a58f4986056dd8d697748a8fe3a0d665f455604ca8e78c8ed1e22c70757d7d4f

Analysis

max time kernel
150s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20250129-en
resource tags

arch:x64arch:x86image:win10v2004-20250129-enlocale:en-usos:windows10-2004-x64system
submitted
01-02-2025 17:46

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General

Target

2025-02-01_37beb2b166cc172b9c64d779ce4a5cc4_wannacry.exe
Size

5.0MB
MD5

37beb2b166cc172b9c64d779ce4a5cc4
SHA1

8d63c9971ae884a39f5152a14f4e6181302ecbce
SHA256

a58f4986056dd8d697748a8fe3a0d665f455604ca8e78c8ed1e22c70757d7d4f
SHA512

94932bc968987af90664bba29ceed652f8f63b799fbee9c7499f15cefb03558c97858161d3e8cece35f82efc5f8829401597922e23c1d23cf85f4345d045d6a7
SSDEEP

98304:yDqPoBhz1aRxcSUDk36SAEdhrxWa9D+G:yDqPe1Cxcxk3ZAEwat

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 (3172) 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
64	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	2025-02-01_37beb2b166cc172b9c64d779ce4a5cc4_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	2025-02-01_37beb2b166cc172b9c64d779ce4a5cc4_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-02-01_37beb2b166cc172b9c64d779ce4a5cc4_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\ProxyBypass = "1"	2025-02-01_37beb2b166cc172b9c64d779ce4a5cc4_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	2025-02-01_37beb2b166cc172b9c64d779ce4a5cc4_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	2025-02-01_37beb2b166cc172b9c64d779ce4a5cc4_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	2025-02-01_37beb2b166cc172b9c64d779ce4a5cc4_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2025-02-01_37beb2b166cc172b9c64d779ce4a5cc4_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2025-02-01_37beb2b166cc172b9c64d779ce4a5cc4_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2025-02-01_37beb2b166cc172b9c64d779ce4a5cc4_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:3008
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:64

C:\Users\Admin\AppData\Local\Temp\2025-02-01_37beb2b166cc172b9c64d779ce4a5cc4_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2025-02-01_37beb2b166cc172b9c64d779ce4a5cc4_wannacry.exe -m security
1⤵
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:4052

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
59582b75b303eb2fb36e4b141bee0b9a

SHA1
2428094a4f4f323a10a4d2aa7aa277f797aff23f

SHA256
048824b852b134e6bf0e1ff1c8df1f368b131aea7468509f35a32d72cbb5f4e2

SHA512
feaa81074a69a3ab2d69774f95404fecd18473feca398b4e43ef2e2c3cebbe9411b9509ecafd91bddabd71de97923ec9be0a9fcf59911e0ad4601ad9a9f8ce82

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