wannacry | 22dc53dd082d3803d2f045e31e3face2b0c38ee1a93a29afef115300d699d6f1

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
24/02/2025, 10:37

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General

Target

2025-02-24_4ceb81127081bc0f7b138756f5071fe4_wannacry.exe
Size

5.0MB
MD5

4ceb81127081bc0f7b138756f5071fe4
SHA1

d89be6c21e9a9b9021f3184ad84191401910a56b
SHA256

22dc53dd082d3803d2f045e31e3face2b0c38ee1a93a29afef115300d699d6f1
SHA512

29d52ec188b0a7f7b7b1cbee5bfdbed15c68e9d67f789cb080fd0d6a7e4c52ce78f18efe967db0e1c594b10af995618e0daccca2e0fd336c25bf7c47a0551752
SSDEEP

49152:2nAQqMSPbcBVQej/1INRx+TSqTdX1HkQo6SAARdhnvxJM0H9j:yDqPoBhz1aRxcSUDk36SAEdhvxWa9j

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 (3163) 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
3224	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	2025-02-24_4ceb81127081bc0f7b138756f5071fe4_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	2025-02-24_4ceb81127081bc0f7b138756f5071fe4_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-02-24_4ceb81127081bc0f7b138756f5071fe4_wannacry.exe

Modifies data under HKEY_USERS 5 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2025-02-24_4ceb81127081bc0f7b138756f5071fe4_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	2025-02-24_4ceb81127081bc0f7b138756f5071fe4_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	2025-02-24_4ceb81127081bc0f7b138756f5071fe4_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	2025-02-24_4ceb81127081bc0f7b138756f5071fe4_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	2025-02-24_4ceb81127081bc0f7b138756f5071fe4_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2025-02-24_4ceb81127081bc0f7b138756f5071fe4_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2025-02-24_4ceb81127081bc0f7b138756f5071fe4_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:4032
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:3224

C:\Users\Admin\AppData\Local\Temp\2025-02-24_4ceb81127081bc0f7b138756f5071fe4_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2025-02-24_4ceb81127081bc0f7b138756f5071fe4_wannacry.exe -m security
1⤵
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:3660

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
688352ca6d5d3f9cbed5db412a97c8d9

SHA1
9a06d693f55683a027a0b09b10ed573e96455814

SHA256
6f948d8efd7e4322dff551327ae72626d2f7778357b1c85b035abae5f092dfd9

SHA512
253a06f89d41144f777fb62bb34a81a3baac8c258386d3eca8ee79f244bdb9873a92f2208c99cf95caee1f3113b51de42dad5ea89ad4024e50ed911b67500b03

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