wannacry | 74794b29f2771c2e1cd0e7653bc45b340f5239e8b47f33cc990d0f82320dcb3f

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
15-11-2024 13:22

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General

Target

2024-11-15_21ebf4bdb8d11a23b91483d0f3ea3f63_wannacry.exe
Size

5.0MB
MD5

21ebf4bdb8d11a23b91483d0f3ea3f63
SHA1

d4eab5045bb29e6313f7b6819f52d7a3cf5b225d
SHA256

74794b29f2771c2e1cd0e7653bc45b340f5239e8b47f33cc990d0f82320dcb3f
SHA512

07054753849798a6e0c3a1d6f68e68ca7387c5d6b8a5ff61475fae203b142f80e9dc72af1560ae41b214ee51139d0e3152912ff208235069425f7a7039960b98
SSDEEP

49152:VnAQqMSPbcBVQej/1INRx+TSqTdX1HkQo6SAARdhnvxJM0H9dj:ZDqPoBhz1aRxcSUDk36SAEdhvxWa9dj

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 (3298) 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
1044	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	2024-11-15_21ebf4bdb8d11a23b91483d0f3ea3f63_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	2024-11-15_21ebf4bdb8d11a23b91483d0f3ea3f63_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-11-15_21ebf4bdb8d11a23b91483d0f3ea3f63_wannacry.exe

Modifies data under HKEY_USERS 5 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-11-15_21ebf4bdb8d11a23b91483d0f3ea3f63_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	2024-11-15_21ebf4bdb8d11a23b91483d0f3ea3f63_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	2024-11-15_21ebf4bdb8d11a23b91483d0f3ea3f63_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	2024-11-15_21ebf4bdb8d11a23b91483d0f3ea3f63_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	2024-11-15_21ebf4bdb8d11a23b91483d0f3ea3f63_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-11-15_21ebf4bdb8d11a23b91483d0f3ea3f63_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-11-15_21ebf4bdb8d11a23b91483d0f3ea3f63_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:2540
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:1044

C:\Users\Admin\AppData\Local\Temp\2024-11-15_21ebf4bdb8d11a23b91483d0f3ea3f63_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-11-15_21ebf4bdb8d11a23b91483d0f3ea3f63_wannacry.exe -m security
1⤵
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:3476

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
2e2a7c206d06a1e66ba56440cb43d124

SHA1
3ab0d856ae535288028037627c7de7b1483cad00

SHA256
db8d445fd851a74728d4df392c126f5aab4da3051b29d4ea9c13baff80eb0857

SHA512
db1939bcd1a6304fc4e2d9df6892f4e403e3c27c70b803a1560e8aa1709f59343474ff41beadb87dddae0414ffe194fa1e24a94f0d1402058d2d7158f22227ae

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