wannacry | 5a873fcfeea29c232c56ecf4d26b48228e3709a9697094965631bbd9ce771920

Analysis

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

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
30-09-2024 17:48

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General

Target

202409308a60841511179adf6a411e4b9c117c49wannacry.exe
Size

5.0MB
MD5

8a60841511179adf6a411e4b9c117c49
SHA1

4c0af95183f58552de34db0796e838fbd4f86512
SHA256

5a873fcfeea29c232c56ecf4d26b48228e3709a9697094965631bbd9ce771920
SHA512

3119298478a3659c0d653a63fdf4213a7d1d767c117104801af249f9edd0af10b0b4dd55fa3b7efe61b470ef9d8020454b0c8c84bbce9e00e3de925ed8004dc0
SSDEEP

49152:2nFQKMSPbcBVQej/1INRx+TSqTdX1HkQo6SAA:yeKPoBhz1aRxcSUDk36SA

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (2175) 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
208	tasksche.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\WINDOWS\tasksche.exe	202409308a60841511179adf6a411e4b9c117c49wannacry.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	202409308a60841511179adf6a411e4b9c117c49wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	202409308a60841511179adf6a411e4b9c117c49wannacry.exe

Modifies data under HKEY_USERS 5 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	202409308a60841511179adf6a411e4b9c117c49wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	202409308a60841511179adf6a411e4b9c117c49wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	202409308a60841511179adf6a411e4b9c117c49wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	202409308a60841511179adf6a411e4b9c117c49wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	202409308a60841511179adf6a411e4b9c117c49wannacry.exe

C:\Users\Admin\AppData\Local\Temp\202409308a60841511179adf6a411e4b9c117c49wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\202409308a60841511179adf6a411e4b9c117c49wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:3816
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:208

C:\Users\Admin\AppData\Local\Temp\202409308a60841511179adf6a411e4b9c117c49wannacry.exe
C:\Users\Admin\AppData\Local\Temp\202409308a60841511179adf6a411e4b9c117c49wannacry.exe -m security
1⤵
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:4124

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
ab1ebc464fed29a0ea87afd41cd04e83

SHA1
6d7bc7cab41c3f6fa9f20bdcf8f4d7bdce0484a6

SHA256
0227b9fe45e49e14575337b737c48c8131cd794fe99062cb521bdcb2c196b1de

SHA512
63a07e318e9a07338ad0629e06b3e8fa19f3619aa86de06b840427fb172d46bc18b911e2be977a817ad58384c8619d4317febcd51c0408ca12c09f472019f408

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