wannacry | 87b656247a73d7515ce5f28e1c3a3c88b0420d1ea3bbdc5b43b0053b81a38f1d

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
30-01-2025 19:08

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General

Target

2025-01-30_c5e00de90a70010ae9a01ae126353799_wannacry.exe
Size

5.0MB
MD5

c5e00de90a70010ae9a01ae126353799
SHA1

e493e3e463ee1215c59a9e5786c017a7864d43c3
SHA256

87b656247a73d7515ce5f28e1c3a3c88b0420d1ea3bbdc5b43b0053b81a38f1d
SHA512

93e5f0938ab6f92efff5b2acf7204d1bd0a6ea97b74139301681289a475c36bc7fcae5ff43d1dd93d1c54fcef64ce920f60230aa5f6b326cc331982cd140ca9e
SSDEEP

98304:XDqThz1aRxcSUDk36SAEdhvxWa9P593R8yAVp2Hb:XDqV1Cxcxk3ZAEUadzR8yc4Hb

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 (3374) 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
5092	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	2025-01-30_c5e00de90a70010ae9a01ae126353799_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	2025-01-30_c5e00de90a70010ae9a01ae126353799_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-01-30_c5e00de90a70010ae9a01ae126353799_wannacry.exe

Modifies data under HKEY_USERS 5 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2025-01-30_c5e00de90a70010ae9a01ae126353799_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	2025-01-30_c5e00de90a70010ae9a01ae126353799_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	2025-01-30_c5e00de90a70010ae9a01ae126353799_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	2025-01-30_c5e00de90a70010ae9a01ae126353799_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	2025-01-30_c5e00de90a70010ae9a01ae126353799_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2025-01-30_c5e00de90a70010ae9a01ae126353799_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2025-01-30_c5e00de90a70010ae9a01ae126353799_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:3464
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:5092

C:\Users\Admin\AppData\Local\Temp\2025-01-30_c5e00de90a70010ae9a01ae126353799_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2025-01-30_c5e00de90a70010ae9a01ae126353799_wannacry.exe -m security
1⤵
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:436

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
db04689892805f730e9f5f0c44f379a8

SHA1
45a10041560c8ab99dc51a8b91cf56c09a4b9180

SHA256
e775adf5bb6a952ea8ecb1aedf1be5f02c637939f5676e03cd5332d2af3eaea2

SHA512
09bd4ade7a850d9e83500a6a770556dd45fa2e4bf2a403613318ad80be2a75d99737bb2c2b037e10b75f8c36eb2153e1a6420c038125ab1703e1c3519e9e7d79

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