wannacry | 2362ef73ca5a5f956975d1aa5ad1f7203cb16fa9dc2df41b464fe6e71d709b2c

Analysis

max time kernel
150s
max time network
157s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
19-12-2024 11:43

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General

Target

2024-12-19_20c395385e1333cbc7cb19e85e7d4fa5_wannacry.exe
Size

3.6MB
MD5

20c395385e1333cbc7cb19e85e7d4fa5
SHA1

aa55ff03789fab74c839dbbe920487c7c4422fd1
SHA256

2362ef73ca5a5f956975d1aa5ad1f7203cb16fa9dc2df41b464fe6e71d709b2c
SHA512

2b8387be358254ac866ba69ec6c43c2e3be520deeb1421355277224417b8e4194881607b8af13cb577d9ad5d147277c936d2dbd5ba87c67d2bce12440fa0229d
SSDEEP

49152:XnAQqMSPbcBVQej/1INRx+TSqTdX1HkQo6SAARdhnvxJM0H9:XDqPoBhz1aRxcSUDk36SAEdhvxWa9

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 (3169) 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
4164	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	2024-12-19_20c395385e1333cbc7cb19e85e7d4fa5_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	2024-12-19_20c395385e1333cbc7cb19e85e7d4fa5_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-12-19_20c395385e1333cbc7cb19e85e7d4fa5_wannacry.exe

Modifies data under HKEY_USERS 5 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-12-19_20c395385e1333cbc7cb19e85e7d4fa5_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	2024-12-19_20c395385e1333cbc7cb19e85e7d4fa5_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	2024-12-19_20c395385e1333cbc7cb19e85e7d4fa5_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	2024-12-19_20c395385e1333cbc7cb19e85e7d4fa5_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	2024-12-19_20c395385e1333cbc7cb19e85e7d4fa5_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-12-19_20c395385e1333cbc7cb19e85e7d4fa5_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-12-19_20c395385e1333cbc7cb19e85e7d4fa5_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:1904
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:4164

C:\Users\Admin\AppData\Local\Temp\2024-12-19_20c395385e1333cbc7cb19e85e7d4fa5_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-12-19_20c395385e1333cbc7cb19e85e7d4fa5_wannacry.exe -m security
1⤵
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:1696

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
6413a39652660f58e94bd988cd3d2923

SHA1
f5168a0398533eea44708601abddd5af94fc6ad7

SHA256
fe13ac817405e25cf52a375f904798b921564ecbfee5d69c82444024fb519baf

SHA512
855323f2dc5bd2c96289d5dd207c0ccf2e0dbafed741c81b69812dc17d10dfc6ea29d187826aa78f6b9863b22b0c8adc9c914521c6d4f548a64ec35f20b9f3e4

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