wannacry | bdf57a05ab02ccfd7bb5eefe6787d58c80a645d883202c2595fcd4d23e77efef

Analysis

max time kernel
150s
max time network
155s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
19-11-2024 10:48

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General

Target

2024-11-19_f64696a354e8f91f07a7a34d06011c9a_wannacry.exe
Size

5.0MB
MD5

f64696a354e8f91f07a7a34d06011c9a
SHA1

c1a04bcbd21d91f69a84a0b047d4019f2f5da000
SHA256

bdf57a05ab02ccfd7bb5eefe6787d58c80a645d883202c2595fcd4d23e77efef
SHA512

c3daf7152b20814834d7a0b6b6c83712023957ac170ec715d1b0aa4bc2178862d023ff2e14b3762c7987f450bb8da428675431878aed66456c7c2c68cd97dc84
SSDEEP

6144:GE9l9yUqIYVTH5DgSg8ajldktM0XXrP2QhMV9qbBLIwYQuy8DLq1eNVDvMrH:GvbLgPlu+QhMbaIMu7L5NVEr

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 (3357) 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
2740	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	2024-11-19_f64696a354e8f91f07a7a34d06011c9a_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	2024-11-19_f64696a354e8f91f07a7a34d06011c9a_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-11-19_f64696a354e8f91f07a7a34d06011c9a_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\ProxyBypass = "1"	2024-11-19_f64696a354e8f91f07a7a34d06011c9a_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	2024-11-19_f64696a354e8f91f07a7a34d06011c9a_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	2024-11-19_f64696a354e8f91f07a7a34d06011c9a_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	2024-11-19_f64696a354e8f91f07a7a34d06011c9a_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-11-19_f64696a354e8f91f07a7a34d06011c9a_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-11-19_f64696a354e8f91f07a7a34d06011c9a_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-11-19_f64696a354e8f91f07a7a34d06011c9a_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:3692
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:2740

C:\Users\Admin\AppData\Local\Temp\2024-11-19_f64696a354e8f91f07a7a34d06011c9a_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-11-19_f64696a354e8f91f07a7a34d06011c9a_wannacry.exe -m security
1⤵
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:3904

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
34ee06c5cf271ae35c1fc5f5764a94f8

SHA1
466e86eb2af21d864f40a1812735eee69ba1ae14

SHA256
92a4ddd61a662529bebb21cf2c5a927c0f6c97fb9dc7e2677b9fbe4b2fec1a55

SHA512
c679e341b11c78cb522a7c4c105c1469172bb9316486acae04fee938dbd6fab8b0a765f153021d0132efc5c7d1ca80a1e93ad78295d9d463abd4ecf9df1c993a

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