wannacry | 2c2f428aad3045213974f0847a6ed750e92a453e50298725e4a54a8d85a64615

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 03:47

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General

Target

2024-10-12_53f2593aa6e7740ae3806e3a0c331efd_wannacry.exe
Size

3.6MB
MD5

53f2593aa6e7740ae3806e3a0c331efd
SHA1

4e3eb4671ef74d0a768fd3101662e065b069bd22
SHA256

2c2f428aad3045213974f0847a6ed750e92a453e50298725e4a54a8d85a64615
SHA512

f76e0b9652b6a0c853b5062d569da534ff882e462f8a584ffea1a467f7b038d13ab2c155d2e7f6e4d0f77e853d304b7ecaf37cf70b74dfb49ad5763813ed86ab
SSDEEP

49152:2nAQqMSPbcBVQjSAARdhnvxJM0H9PAMEcaEau3R8yAH1plAmy:yDqPoBcSAEdhvxWa9P593R8yAVp2

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3310) 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
1192	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_53f2593aa6e7740ae3806e3a0c331efd_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_53f2593aa6e7740ae3806e3a0c331efd_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-10-12_53f2593aa6e7740ae3806e3a0c331efd_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"	2024-10-12_53f2593aa6e7740ae3806e3a0c331efd_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	2024-10-12_53f2593aa6e7740ae3806e3a0c331efd_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	2024-10-12_53f2593aa6e7740ae3806e3a0c331efd_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	2024-10-12_53f2593aa6e7740ae3806e3a0c331efd_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-10-12_53f2593aa6e7740ae3806e3a0c331efd_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-10-12_53f2593aa6e7740ae3806e3a0c331efd_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-10-12_53f2593aa6e7740ae3806e3a0c331efd_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:3608
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:1192

C:\Users\Admin\AppData\Local\Temp\2024-10-12_53f2593aa6e7740ae3806e3a0c331efd_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-10-12_53f2593aa6e7740ae3806e3a0c331efd_wannacry.exe -m security
1⤵
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:4704

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
ef38a9e23821ae33d1c42f02435f3f09

SHA1
c3abc72920155ad6f0fe6e61454b93f5498e4a68

SHA256
52730fd39601c37c538c45b546b93aaa85754ffd95d713c36e29227b561e109a

SHA512
8308d042ff7cac6f7ad49ead1cbcc672049df34d1dab06a213c9a7a8e307b45aeb869acb8e846fc879ebd97f01df5ff26844ff9016313566047dbbca37e318cd

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