wannacry | 27454198c3cde04a74ef32676da88fb607103307303cd4797ea156a4f0070ccb

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
30-11-2024 12:28

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General

Target

2024-11-30_ad14eb1b408eb0fc3ea5b3de00290ee9_wannacry.exe
Size

5.0MB
MD5

ad14eb1b408eb0fc3ea5b3de00290ee9
SHA1

9337577cfdc69ba3ef1ad1f6603ff63609d7f596
SHA256

27454198c3cde04a74ef32676da88fb607103307303cd4797ea156a4f0070ccb
SHA512

7df0331934d12390a1d75af326ce60188f7f119db00eaaaf09f77a1dec9df575729b809b7e7036a87cf268482cc9f63b52c32f3a7921d982d458069669460ba7
SSDEEP

49152:2nAQHEKUacBVQej/1INRx+TSqTdX1HkQo6SAARdhnv:yDHyfBhz1aRxcSUDk36SAEdhv

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 (3251) 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
3236	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	2024-11-30_ad14eb1b408eb0fc3ea5b3de00290ee9_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	2024-11-30_ad14eb1b408eb0fc3ea5b3de00290ee9_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-11-30_ad14eb1b408eb0fc3ea5b3de00290ee9_wannacry.exe

Modifies data under HKEY_USERS 5 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-11-30_ad14eb1b408eb0fc3ea5b3de00290ee9_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	2024-11-30_ad14eb1b408eb0fc3ea5b3de00290ee9_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	2024-11-30_ad14eb1b408eb0fc3ea5b3de00290ee9_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	2024-11-30_ad14eb1b408eb0fc3ea5b3de00290ee9_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	2024-11-30_ad14eb1b408eb0fc3ea5b3de00290ee9_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-11-30_ad14eb1b408eb0fc3ea5b3de00290ee9_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-11-30_ad14eb1b408eb0fc3ea5b3de00290ee9_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:5072
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:3236

C:\Users\Admin\AppData\Local\Temp\2024-11-30_ad14eb1b408eb0fc3ea5b3de00290ee9_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-11-30_ad14eb1b408eb0fc3ea5b3de00290ee9_wannacry.exe -m security
1⤵
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:1868

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
e2c6653db9d9dc9c67988bad4fb8bd52

SHA1
946567ba86e90e8a4ce4d1ca3dea3a32d2b30631

SHA256
0a9005860268f6c7277168a39e665e0d1d706af7dcddd793643e935e06b1446c

SHA512
a3d3c29603bff3f080c1dae0bf5deedd8c7cbc95080f231beb6ef8d877ec1ebbfc70b4ba9df5e56627ca926003d1a52a3e161e9a27a9478222651fe00e35e044

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