wannacry | 2422b81785fda3d01c6cd551f93f1b5c17e4929ebfec6a84448ab29ea265c88e

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
03-10-2024 09:52

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General

Target

2024-10-03_4be0b1204894ac68869907044a41bf2c_wannacry.exe
Size

5.0MB
MD5

4be0b1204894ac68869907044a41bf2c
SHA1

7277c8cb366a89df5aa999a412ab44d3e15a4228
SHA256

2422b81785fda3d01c6cd551f93f1b5c17e4929ebfec6a84448ab29ea265c88e
SHA512

ae715d905628ef867e2b2d794162bd9912e8f8fbc5a751859e4c628cb650428cbd47e743cd1e1be38334aeb337ca00b9c8b155538d139a3a5aabb945bf8067c7
SSDEEP

49152:2nAQqMSPbchVQeD/1INRx+TSqTdX1HEQo6SAg9kXJhoq9zlLM:yDqPohhT1aRxcSUDE36SA2Whoq9zlLM

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3283) 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
4512	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	2024-10-03_4be0b1204894ac68869907044a41bf2c_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	2024-10-03_4be0b1204894ac68869907044a41bf2c_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-10-03_4be0b1204894ac68869907044a41bf2c_wannacry.exe

Modifies data under HKEY_USERS 5 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-10-03_4be0b1204894ac68869907044a41bf2c_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	2024-10-03_4be0b1204894ac68869907044a41bf2c_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	2024-10-03_4be0b1204894ac68869907044a41bf2c_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	2024-10-03_4be0b1204894ac68869907044a41bf2c_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	2024-10-03_4be0b1204894ac68869907044a41bf2c_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-10-03_4be0b1204894ac68869907044a41bf2c_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-10-03_4be0b1204894ac68869907044a41bf2c_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:2096
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:4512

C:\Users\Admin\AppData\Local\Temp\2024-10-03_4be0b1204894ac68869907044a41bf2c_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-10-03_4be0b1204894ac68869907044a41bf2c_wannacry.exe -m security
1⤵
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:4984

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=4424,i,6510295916244954942,10164894160290787457,262144 --variations-seed-version --mojo-platform-channel-handle=4396 /prefetch:8
1⤵
PID:2996

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
aaf5cb4443cb81a8a472b8827ee8fc5f

SHA1
59b8ed93233d5664564ba9f48825e79c7a4f2da1

SHA256
2f8a8221a5b4747eaf7c8a7a581cd257d9c4ee65d52586b81236e61cfb6b5d04

SHA512
80ca129048b87ae3a51e99712583a314cafed82dafc86836522b118717860a878f12d5e581b56b46bc8af9825bf0d74619c8bb589fc5cb48568ddfaf06fa6f4b

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