wannacry | c19dd8352ccd9fec0a614697836d92066ea5c92eba32d1b160143b897ec9855f

Analysis

max time kernel
151s
max time network
156s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
26-06-2024 12:48

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General

Target

2024-06-26_30279bc06ab518323565d3ce82e477e6_wannacry.exe
Size

5.0MB
MD5

30279bc06ab518323565d3ce82e477e6
SHA1

3e11f36d037a0f4865353622a7a3b8da055a7375
SHA256

c19dd8352ccd9fec0a614697836d92066ea5c92eba32d1b160143b897ec9855f
SHA512

de95ef27e67534be91fd17a4f481b1e3a182c95c144de2c8c99788a7e1030368d19ac54f845ae90e59431495851ac520faff9b3ebf021971713e5e3bc6d1a880
SSDEEP

98304:XDqPoBhz1aRxcSUDk36SAEdhvxWa9P593R:XDqPe1Cxcxk3ZAEUadzR

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3215) 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
4100	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	2024-06-26_30279bc06ab518323565d3ce82e477e6_wannacry.exe

Modifies data under HKEY_USERS 5 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-06-26_30279bc06ab518323565d3ce82e477e6_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	2024-06-26_30279bc06ab518323565d3ce82e477e6_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	2024-06-26_30279bc06ab518323565d3ce82e477e6_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	2024-06-26_30279bc06ab518323565d3ce82e477e6_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	2024-06-26_30279bc06ab518323565d3ce82e477e6_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-06-26_30279bc06ab518323565d3ce82e477e6_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-06-26_30279bc06ab518323565d3ce82e477e6_wannacry.exe"
1⤵
- Drops file in Windows directory
PID:656
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:4100

C:\Users\Admin\AppData\Local\Temp\2024-06-26_30279bc06ab518323565d3ce82e477e6_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-06-26_30279bc06ab518323565d3ce82e477e6_wannacry.exe -m security
1⤵
- Modifies data under HKEY_USERS
PID:2180

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 --no-appcompat-clear --mojo-platform-channel-handle=3768 --field-trial-handle=2284,i,15722001240173834669,15048020084704567542,262144 --variations-seed-version /prefetch:8
1⤵
PID:756

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Network Service Discovery

T1046

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Windows\tasksche.exe

Filesize
3.4MB

MD5
4db8c7749d12eb70991d6afd145b6a63

SHA1
f37af05cd1d473879a3e190120dd2ebd7ef774ed

SHA256
4f4c122ea21541a9c28153c8ffc59c539f4097a31a38f2784c038b7c7dce877d

SHA512
5f3e921a2327f4cd3a02fbc081c3ab8d08cd66940f0a35311d6e58036d0e4d64265f20819320fc2e25aec32f610b0ec1acc29b85863b8c444dd2b5be368c35c0

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