wannacry | e1bee0f7a7cd0ac8659033d9e67bfc83ae03843ed30dff8ca590f916604a6de7

Analysis

max time kernel
150s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
24-08-2024 11:03

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General

Target

2024082490a1e06d78737b9a87e8ea42f76e2544wannacry.exe
Size

3.6MB
MD5

90a1e06d78737b9a87e8ea42f76e2544
SHA1

785ddf8bd3add2da415cbc7c39aab7eb21407d20
SHA256

e1bee0f7a7cd0ac8659033d9e67bfc83ae03843ed30dff8ca590f916604a6de7
SHA512

40ee623eb975b3890d3e8260e76963d078a7734c040d4151fa0cf11fd6e2421f5ea609f67922a51c6df7a09f077087361586d5f40208bc97ee70531e2a3df5be
SSDEEP

49152:2nAQqMSPbcBVQej/1INRx+TSqTdX1HkQo6SAARdhnvxJM0H9:yDqPoBhz1aRxcSUDk36SAEdhvxWa9

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3274) 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
3092	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	2024082490a1e06d78737b9a87e8ea42f76e2544wannacry.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	2024082490a1e06d78737b9a87e8ea42f76e2544wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024082490a1e06d78737b9a87e8ea42f76e2544wannacry.exe

Modifies data under HKEY_USERS 5 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024082490a1e06d78737b9a87e8ea42f76e2544wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	2024082490a1e06d78737b9a87e8ea42f76e2544wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	2024082490a1e06d78737b9a87e8ea42f76e2544wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	2024082490a1e06d78737b9a87e8ea42f76e2544wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	2024082490a1e06d78737b9a87e8ea42f76e2544wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024082490a1e06d78737b9a87e8ea42f76e2544wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024082490a1e06d78737b9a87e8ea42f76e2544wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:4484
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:3092

C:\Users\Admin\AppData\Local\Temp\2024082490a1e06d78737b9a87e8ea42f76e2544wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024082490a1e06d78737b9a87e8ea42f76e2544wannacry.exe -m security
1⤵
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:208

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
0df2ae526d7350c2e3d1383c07a6be04

SHA1
06c4d41c60736ea1e0bb1b095536499e05068442

SHA256
10111f53da4181d548ea77cc91f02a15b9ede3f111f074230761f2afee7cd637

SHA512
9ca1ca36dcefdb1eba3152bc2d14c9dceb3360960338d13db5f8a02327aef80cb0ab238c2c1f3d2dbd7fd75124d4199b5cd63f173a09a0dea212ebb265f8453d

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