wannacry | 2d7c6f5377196fbffd8c75f27003580b8d2eb729760e0b8b0e06a2016f3dc677

Analysis

max time kernel
150s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
05/01/2025, 09:51

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General

Target
2025-01-05_22558519ceaf8fc5807753153ba47aa9_wannacry.exe
Size 3.6MB
Sample250105-lvksassner
SHA256 2d7c6f5377196fbffd8c75f27003580b8d2eb729760e0b8b0e06a2016f3dc677
MD5 22558519ceaf8fc5807753153ba47aa9
SHA1 826735f4c9226a1ab2a090c71a8937573ddcdbc1
SHA512 e4fbf075862dff2c0fb5133661d0479d1200f9c161824e652bff8c50a23f4ecb7aaa3373f517366147ca40e8eb4148d96111ac5f3d22ebcc3dfab8adc2342255
SSDEEP 98304:yDqPoBhz1aRxcSUDk36SAEpxWa9PG3R8yAVp2HI:yDqPe1Cxcxk3ZAEiadYR8yc4HI
MD5 SHA1 SHA512 SSDEEP

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 (3342) 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
3436	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	2025-01-05_22558519ceaf8fc5807753153ba47aa9_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	2025-01-05_22558519ceaf8fc5807753153ba47aa9_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-01-05_22558519ceaf8fc5807753153ba47aa9_wannacry.exe

Modifies data under HKEY_USERS 5 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2025-01-05_22558519ceaf8fc5807753153ba47aa9_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	2025-01-05_22558519ceaf8fc5807753153ba47aa9_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	2025-01-05_22558519ceaf8fc5807753153ba47aa9_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	2025-01-05_22558519ceaf8fc5807753153ba47aa9_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	2025-01-05_22558519ceaf8fc5807753153ba47aa9_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2025-01-05_22558519ceaf8fc5807753153ba47aa9_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2025-01-05_22558519ceaf8fc5807753153ba47aa9_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:1504
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:3436

C:\Users\Admin\AppData\Local\Temp\2025-01-05_22558519ceaf8fc5807753153ba47aa9_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2025-01-05_22558519ceaf8fc5807753153ba47aa9_wannacry.exe -m security
1⤵
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:2496

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

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Downloads

tasksche.exe

Path C:\Windows\tasksche.exe
Size 3.4MB
SHA256 3b667aa6e9fe8abc6e1856ed10960748043ef6cee8744162f9eb0c601a62ec6d
MD5 308ba23b6aec3eae17caf03ef1f6c67a
SHA1 032648a5ac7ae134c0cbc1db606b439e4d9a9214
SHA512 2ba53cc6691be662e85d54291442182d622ef247c365f95eca6348c16790a7d80e133ca6a77938b6a08c4db13fa0bc8443856183949ee8f5440ab871371ba2c0
SSDEEP 98304:QqPoBhz1aRxcSUDk36SAEpxWa9PG3R8yAVp2Hj:QqPe1Cxcxk3ZAEiadYR8yc4Hj
MD5 SHA1 SHA512 SSDEEP

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