wannacry | 309c2a71f9b7cae1a9862d8b63c8de6066ea585dd1fbad10142aabdd8375fb96

Analysis

max time kernel
150s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
27-09-2024 17:17

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General

Target

2024-09-27_849ab6d8a1b0c28e3308b2ac04cad21a_wannacry.exe
Size

3.6MB
MD5

849ab6d8a1b0c28e3308b2ac04cad21a
SHA1

07f479be9e8b4c6a69bd85c934065ca14d75480a
SHA256

309c2a71f9b7cae1a9862d8b63c8de6066ea585dd1fbad10142aabdd8375fb96
SHA512

db50f9c46645c9bae1928623b8f6218dc0d99824a343581abc92267402f4ed4481616bc12d47b434377fc127561e10d364fc9d0e85228b4fa7ed72da2a5126e4
SSDEEP

49152:2nAQqM/Qej/1INRx+TSqTdX1HkQo6SAARdhnvxJM0H9LVvI:yDqcz1aRxcSUDk36SAEdhvxWa9S

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3379) 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
312	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	2024-09-27_849ab6d8a1b0c28e3308b2ac04cad21a_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	2024-09-27_849ab6d8a1b0c28e3308b2ac04cad21a_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-09-27_849ab6d8a1b0c28e3308b2ac04cad21a_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\IntranetName = "1"	2024-09-27_849ab6d8a1b0c28e3308b2ac04cad21a_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	2024-09-27_849ab6d8a1b0c28e3308b2ac04cad21a_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	2024-09-27_849ab6d8a1b0c28e3308b2ac04cad21a_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-09-27_849ab6d8a1b0c28e3308b2ac04cad21a_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	2024-09-27_849ab6d8a1b0c28e3308b2ac04cad21a_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-09-27_849ab6d8a1b0c28e3308b2ac04cad21a_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-09-27_849ab6d8a1b0c28e3308b2ac04cad21a_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:1228
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:312

C:\Users\Admin\AppData\Local\Temp\2024-09-27_849ab6d8a1b0c28e3308b2ac04cad21a_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-09-27_849ab6d8a1b0c28e3308b2ac04cad21a_wannacry.exe -m security
1⤵
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:644

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
4db34baa90710e2f390867f2fb48ec32

SHA1
d8b7cd478dec225c25f3068f010d6d8a5995fa41

SHA256
e58e73e4a9d5d8231c206b80135daa85b387976d6423ad25983e1d5a61a9d693

SHA512
0e0b1a2e4f9d1d1775cbd5bbfadb70445428483eba56507470b4d6edbfb1941209b04ab5dd9780100f72ed170e6ae6d9d978560278bd7078432f9b929783ec02

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