wannacry | 29e1ab437cef893af071b3253e15fb8ef48bc04c20f784ad96499da5c699ea9d

Analysis

max time kernel
150s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20250217-en
resource tags

arch:x64arch:x86image:win10v2004-20250217-enlocale:en-usos:windows10-2004-x64system
submitted
22/02/2025, 16:25

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General

Target

2025-02-22_06ccfe9121c8c53cbd35ec6f806de3c8_wannacry.exe
Size

5.0MB
MD5

06ccfe9121c8c53cbd35ec6f806de3c8
SHA1

5ab841fc04b7f6bfdfe0e00db6884c975ac99a2e
SHA256

29e1ab437cef893af071b3253e15fb8ef48bc04c20f784ad96499da5c699ea9d
SHA512

3501a11864ac7640e56850edafd8c83627f49d6742672b90ca1245c0f7af2818414d5cd36510cedd6a2478b4224ddbc42f4d40abc17814591d1b29dd5e35619b
SSDEEP

98304:yDqPoBhz1aRxcSUDk36SAEdhvxWa9P593R8yAVp2:yDqPe1Cxcxk3ZAEUadzR8yc4

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 (3260) 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
4332	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	2025-02-22_06ccfe9121c8c53cbd35ec6f806de3c8_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	2025-02-22_06ccfe9121c8c53cbd35ec6f806de3c8_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-02-22_06ccfe9121c8c53cbd35ec6f806de3c8_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\UNCAsIntranet = "1"	2025-02-22_06ccfe9121c8c53cbd35ec6f806de3c8_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	2025-02-22_06ccfe9121c8c53cbd35ec6f806de3c8_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2025-02-22_06ccfe9121c8c53cbd35ec6f806de3c8_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	2025-02-22_06ccfe9121c8c53cbd35ec6f806de3c8_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	2025-02-22_06ccfe9121c8c53cbd35ec6f806de3c8_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2025-02-22_06ccfe9121c8c53cbd35ec6f806de3c8_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2025-02-22_06ccfe9121c8c53cbd35ec6f806de3c8_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:2764
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:4332

C:\Users\Admin\AppData\Local\Temp\2025-02-22_06ccfe9121c8c53cbd35ec6f806de3c8_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2025-02-22_06ccfe9121c8c53cbd35ec6f806de3c8_wannacry.exe -m security
1⤵
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:540

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
55106a511e02fee48746400de30253bb

SHA1
9820ab4cb14539772ce36c362ec6f3e2ecf238ed

SHA256
b229d6b1e45eedc1c45611b3101d859f577aa8995bf623fcab6e156b4d82d707

SHA512
899edb90f8dc67a45a85867b3860ffb66c477a6f6db77bdd4a1248b8790bdd19c760b9098fcc2ff09e7867e37905e26f859827f399199275e76d28b07d26ae75

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