wannacry | 6b6a05e65aca4bc78a22f68dce14412e30524b452155a0473d1a36cbccb0472c

Analysis

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

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
22-10-2024 10:38

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General

Target

2024-10-22_cc704275d04010b6f2a70f23c50e1b6a_wannacry.exe
Size

5.0MB
MD5

cc704275d04010b6f2a70f23c50e1b6a
SHA1

cef329121d065a026ab9e168c9f33aa09448b39e
SHA256

6b6a05e65aca4bc78a22f68dce14412e30524b452155a0473d1a36cbccb0472c
SHA512

72b13257d2b0be74b8f57096f69fec2d682e6c91e000e51a2a0e4970b33169979d00449e3a414211a2de3d091c2b419e55d1ca6c23c0aa47942197a8a55985aa
SSDEEP

12288:GwbLgPluxQhMbaIMu7L5NVErCA4z2g6rTcbckPU82900Ve7zw+K+DHeQYSU:VbLgdeQhfdmMSirYbcMNgef0QeQ

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3368) 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
2764	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	2024-10-22_cc704275d04010b6f2a70f23c50e1b6a_wannacry.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\WINDOWS\tasksche.exe	2024-10-22_cc704275d04010b6f2a70f23c50e1b6a_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	2024-10-22_cc704275d04010b6f2a70f23c50e1b6a_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-10-22_cc704275d04010b6f2a70f23c50e1b6a_wannacry.exe

Modifies data under HKEY_USERS 1 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	2024-10-22_cc704275d04010b6f2a70f23c50e1b6a_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-10-22_cc704275d04010b6f2a70f23c50e1b6a_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-10-22_cc704275d04010b6f2a70f23c50e1b6a_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:2056
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:2764

C:\Users\Admin\AppData\Local\Temp\2024-10-22_cc704275d04010b6f2a70f23c50e1b6a_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-10-22_cc704275d04010b6f2a70f23c50e1b6a_wannacry.exe -m security
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:2680

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
d88de2337efa2e605011a9f49f74e3e5

SHA1
a431aed18dbd2dffb2cff457ced403583b6a5ba3

SHA256
3bfc699e2f29742a535c5de0522c07081c59dd38a285be245b135b47eac5ac68

SHA512
330ee6cfc33acdd79f9f36a5e172bd6ef9583d358c2ca5accd452425cffefe7e5c012240e4dbf2312c8c40a459aa6c726770dc21d6da17f5d331235be8d975c8

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