wannacry | 34e3aecdfc6796c92faae272325397ffc6c43378d282e6023381c8337e4ef316

Analysis

max time kernel
150s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
12-10-2024 03:44

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General

Target

2024-10-12_817a1d8d5a06e3178f2d74b49f1e5b22_wannacry.exe
Size

3.6MB
MD5

817a1d8d5a06e3178f2d74b49f1e5b22
SHA1

b67c4155b7ad51cd3c927dcdbf0b17ccb964c792
SHA256

34e3aecdfc6796c92faae272325397ffc6c43378d282e6023381c8337e4ef316
SHA512

5eacdb56a8e90f7dfc55a679a0480ecf3f68b893860819c20a6dba4703a271930b8c8a27143befe6e048fcd4cb44794d783b4fa3cfdfa25b133d0c0aed6afbd3
SSDEEP

98304:XDqPoBhz1aRxcSUmxWa9P593R8yAVp2HI:XDqPe1CxcXadzR8yc4HI

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3165) 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
3324	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	2024-10-12_817a1d8d5a06e3178f2d74b49f1e5b22_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	2024-10-12_817a1d8d5a06e3178f2d74b49f1e5b22_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-10-12_817a1d8d5a06e3178f2d74b49f1e5b22_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\UNCAsIntranet = "1"	2024-10-12_817a1d8d5a06e3178f2d74b49f1e5b22_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	2024-10-12_817a1d8d5a06e3178f2d74b49f1e5b22_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-10-12_817a1d8d5a06e3178f2d74b49f1e5b22_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	2024-10-12_817a1d8d5a06e3178f2d74b49f1e5b22_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	2024-10-12_817a1d8d5a06e3178f2d74b49f1e5b22_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-10-12_817a1d8d5a06e3178f2d74b49f1e5b22_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-10-12_817a1d8d5a06e3178f2d74b49f1e5b22_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:3324

C:\Users\Admin\AppData\Local\Temp\2024-10-12_817a1d8d5a06e3178f2d74b49f1e5b22_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-10-12_817a1d8d5a06e3178f2d74b49f1e5b22_wannacry.exe -m security
1⤵
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:3652

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
0c795355cb044311105b83376285c127

SHA1
ce8351c9fd49b1ec19d58a442d5dfbd2b6d560a6

SHA256
1bca435f5ea4184d174406eb3c5832c4913560a91b0b345be27b390be8b490af

SHA512
555e3a279663b5cd35fd6c7ebd6704f386b8421fefabaa400a3bd4699e16256cf20d7ae338a2f8124b722dc81c07262998803e8ea6365d6997f0fe06ae8b3a97

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