wannacry | 2815b1e24a04d85518183dfb35c283d9bef9bf0673e8d4cae45abbe3e76bf9a5

Analysis

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

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
05-02-2025 13:54

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General

Target

2025-02-05_92374bdc00b42d12b8b14c2cff1adcfe_wannacry.exe
Size

5.0MB
MD5

92374bdc00b42d12b8b14c2cff1adcfe
SHA1

28b1867ff45ac0716d0229627452f8bd6551fa0a
SHA256

2815b1e24a04d85518183dfb35c283d9bef9bf0673e8d4cae45abbe3e76bf9a5
SHA512

2fb386b4c9a6269c87fd709236ae7857e8ad075ee33a5c513077b380bb5e6685120767b3b3b84c09dba4470d25bfa39ee23bdcda509df23cdb336e1f39d05dad
SSDEEP

49152:2nAQqMSPbcBVQej/1INRx+TSqTdX1HkQo6SAAO:yDqPoBhz1aRxcSUDk36SA

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 (3345) 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
1512	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	2025-02-05_92374bdc00b42d12b8b14c2cff1adcfe_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	2025-02-05_92374bdc00b42d12b8b14c2cff1adcfe_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-02-05_92374bdc00b42d12b8b14c2cff1adcfe_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\AutoDetect = "0"	2025-02-05_92374bdc00b42d12b8b14c2cff1adcfe_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2025-02-05_92374bdc00b42d12b8b14c2cff1adcfe_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	2025-02-05_92374bdc00b42d12b8b14c2cff1adcfe_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	2025-02-05_92374bdc00b42d12b8b14c2cff1adcfe_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	2025-02-05_92374bdc00b42d12b8b14c2cff1adcfe_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2025-02-05_92374bdc00b42d12b8b14c2cff1adcfe_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2025-02-05_92374bdc00b42d12b8b14c2cff1adcfe_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:4564
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:1512

C:\Users\Admin\AppData\Local\Temp\2025-02-05_92374bdc00b42d12b8b14c2cff1adcfe_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2025-02-05_92374bdc00b42d12b8b14c2cff1adcfe_wannacry.exe -m security
1⤵
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:1104

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
9ecc358eeab86234071c35ab8b29a036

SHA1
17e8389e86263be112d355f848b23163597904e6

SHA256
16ae7d8fc23b84c3d20cca45dac35f51fcb12032bd3e2ff25a150051f6befe38

SHA512
dac8016bc1495c388f76f9f6b1ca78abeacb3a57ca61928ce265a0e7635bce02bc3793e63829c42ef5d883dd0ebf6a4c5cc8b1cf18714d8b7b7c9f4c26a50928

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