wannacry | 41acfd4fa73073edbe27222423f037d4fbde46b56da6bbfe49a5753e95389d59

Analysis

max time kernel
150s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
26-11-2024 17:44

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General

Target

2024-11-26_2976f270fec4ddd52d7ccb02b7956bf5_wannacry.exe
Size

5.0MB
MD5

2976f270fec4ddd52d7ccb02b7956bf5
SHA1

e15a375d40d6d81fd32bd1cc62ae3a86d47d6ed7
SHA256

41acfd4fa73073edbe27222423f037d4fbde46b56da6bbfe49a5753e95389d59
SHA512

896fc561e20e7272833bd23ac7ed26a56a9e8aa972e6bcb8ebfe9e6467b3054e64aaa8480c952512c9c176ae0a78e2257605e160befb5c6cfa9e54fd51e8e17d
SSDEEP

98304:yDqPoBhw1aRxcSUDk36SAEdhvxWa9P593R8yAVp2gC:yDqPB1Cxcxk3ZAEUadzR8yc4

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 (3241) 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
4828	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	2024-11-26_2976f270fec4ddd52d7ccb02b7956bf5_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	2024-11-26_2976f270fec4ddd52d7ccb02b7956bf5_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-11-26_2976f270fec4ddd52d7ccb02b7956bf5_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"	2024-11-26_2976f270fec4ddd52d7ccb02b7956bf5_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	2024-11-26_2976f270fec4ddd52d7ccb02b7956bf5_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	2024-11-26_2976f270fec4ddd52d7ccb02b7956bf5_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-11-26_2976f270fec4ddd52d7ccb02b7956bf5_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	2024-11-26_2976f270fec4ddd52d7ccb02b7956bf5_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-11-26_2976f270fec4ddd52d7ccb02b7956bf5_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-11-26_2976f270fec4ddd52d7ccb02b7956bf5_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:2224
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:4828

C:\Users\Admin\AppData\Local\Temp\2024-11-26_2976f270fec4ddd52d7ccb02b7956bf5_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-11-26_2976f270fec4ddd52d7ccb02b7956bf5_wannacry.exe -m security
1⤵
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:4944

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
6269a696fcc9290bd144c870ed68b507

SHA1
ee48d90df2cb1ad782ce2fe1aa8a2d7034c29f3b

SHA256
ed7b635137eaec1424e0867253bb38fb6944693602783287c67f3c11fba91d83

SHA512
c08d3d7b2ff71db7623db95dd6370800f2e962d966542cb43d2cd0e339f959fef8983e7cd83465298511a32fd0af94f919998539df459c9da2d932a4a9227487

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