wannacry | 27dd2bb7926830b3ed19d5cce7538e879abf921bf5f1a29ecf2e3cfa04d0ca70

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
26-09-2024 09:28

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General

Target

2024-09-26_9a8f7e2afe7b19c14fe129b7a9e8a7cd_wannacry.exe
Size

5.0MB
MD5

9a8f7e2afe7b19c14fe129b7a9e8a7cd
SHA1

dcc12b25e8404071985221a96fd8e26d93239b8c
SHA256

27dd2bb7926830b3ed19d5cce7538e879abf921bf5f1a29ecf2e3cfa04d0ca70
SHA512

2463f10023cdd5588a821ba367bcf7be90ec0a2ad1daa28e96cdade812a874f80a6d4516a9fe56cb4d3a9949d3149715fba9d5150df53b84ee301c3ab0ee353c
SSDEEP

24576:2bLgddQhfdmMSirYbcMNgef0QeQjG/D8kIqRYoAdB:2nAQqMSPbcBVQej/1I

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3371) 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
1000	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	2024-09-26_9a8f7e2afe7b19c14fe129b7a9e8a7cd_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	2024-09-26_9a8f7e2afe7b19c14fe129b7a9e8a7cd_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-09-26_9a8f7e2afe7b19c14fe129b7a9e8a7cd_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\AutoDetect = "0"	2024-09-26_9a8f7e2afe7b19c14fe129b7a9e8a7cd_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-09-26_9a8f7e2afe7b19c14fe129b7a9e8a7cd_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	2024-09-26_9a8f7e2afe7b19c14fe129b7a9e8a7cd_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	2024-09-26_9a8f7e2afe7b19c14fe129b7a9e8a7cd_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	2024-09-26_9a8f7e2afe7b19c14fe129b7a9e8a7cd_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-09-26_9a8f7e2afe7b19c14fe129b7a9e8a7cd_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-09-26_9a8f7e2afe7b19c14fe129b7a9e8a7cd_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:904
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:1000

C:\Users\Admin\AppData\Local\Temp\2024-09-26_9a8f7e2afe7b19c14fe129b7a9e8a7cd_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-09-26_9a8f7e2afe7b19c14fe129b7a9e8a7cd_wannacry.exe -m security
1⤵
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:4004

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

C:\Windows\tasksche.exe

Filesize
3.4MB

MD5
98c0078c0f1b72ead86245127f34ae75

SHA1
90a54380efa874bd3c408c4dd9b9cc48632ee21d

SHA256
837d963288c41c6b89ea8c56b55d8ab2a980c653830b112312edab54fe8de7cc

SHA512
4a8c1511f5115c4b353c1cf8ac7b66e81d730da79912490756221feb843c89862f5639c397a3e5d70df4f442efa1855adf415e94fe740b549e5a8d3e7d751209

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