wannacry | aea2cf3c95fb2fb2161b7c5555e118120b9e0b3b0cc216495fe66fd70f33fa59

Analysis

max time kernel
150s
max time network
151s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
23-10-2024 02:56

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General

Target

aea2cf3c95fb2fb2161b7c5555e118120b9e0b3b0cc216495fe66fd70f33fa59.exe
Size

3.6MB
MD5

b31e44c5a7a208a8cfdf21756392238f
SHA1

858be22cab4910de26beb2aaec2f9ab99e0a8469
SHA256

aea2cf3c95fb2fb2161b7c5555e118120b9e0b3b0cc216495fe66fd70f33fa59
SHA512

75f879927c6cbbcf24ef9950136876e62075de84e4f3ed24cc0345e75b2ba99ac74a603858a6f606c4d727bb5cc2edcee13632190260139ff2fe94d32151987b
SSDEEP

49152:VnjQqMSPbcBVQej/1INgwuqzgX8knK4JKARyPHRieTG:Z8qPoBhz1a

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3110) 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
2212	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 System32 directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\Temporary Internet Files\counters.dat	aea2cf3c95fb2fb2161b7c5555e118120b9e0b3b0cc216495fe66fd70f33fa59.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\WINDOWS\tasksche.exe	aea2cf3c95fb2fb2161b7c5555e118120b9e0b3b0cc216495fe66fd70f33fa59.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	aea2cf3c95fb2fb2161b7c5555e118120b9e0b3b0cc216495fe66fd70f33fa59.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	aea2cf3c95fb2fb2161b7c5555e118120b9e0b3b0cc216495fe66fd70f33fa59.exe

Modifies data under HKEY_USERS 1 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	aea2cf3c95fb2fb2161b7c5555e118120b9e0b3b0cc216495fe66fd70f33fa59.exe

C:\Users\Admin\AppData\Local\Temp\aea2cf3c95fb2fb2161b7c5555e118120b9e0b3b0cc216495fe66fd70f33fa59.exe
"C:\Users\Admin\AppData\Local\Temp\aea2cf3c95fb2fb2161b7c5555e118120b9e0b3b0cc216495fe66fd70f33fa59.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:780
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:2212

C:\Users\Admin\AppData\Local\Temp\aea2cf3c95fb2fb2161b7c5555e118120b9e0b3b0cc216495fe66fd70f33fa59.exe
C:\Users\Admin\AppData\Local\Temp\aea2cf3c95fb2fb2161b7c5555e118120b9e0b3b0cc216495fe66fd70f33fa59.exe -m security
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:2328

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
1e74f055fe22069f9c6501f6687f0901

SHA1
f8a30f46b1be4f6080d91194aa728bcab97c5653

SHA256
7bafa137c14811698535cadcb9f45237d2769a590dcc14d155faa00e5d0aa371

SHA512
050add0268daf614a615a354d09a982a87f0527078427162e68a779e943af9e7f39ad6b984afd06bf3d6e2c256394831a2f573d8c589947fac080216d89edcc1

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