wannacry | 78e9eb1375b0daf619590c3ec1b271b65bbbd113575272e8fd74686a09f5b129

Analysis

max time kernel
150s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
29-09-2024 09:24

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General

Target

2024-09-29_07c2948790583a46176008979c79cf13_wannacry.exe
Size

5.0MB
MD5

07c2948790583a46176008979c79cf13
SHA1

dd250e80a497ca3d86f0925b59f5db7887f142da
SHA256

78e9eb1375b0daf619590c3ec1b271b65bbbd113575272e8fd74686a09f5b129
SHA512

a98993d860d8243776f9cca173f9acbf829b25a8e1d8484e363b2448af3da125d629a8cfb246239996affdd5f10ad8f024e592e9e2451bd4d72154b83c133966
SSDEEP

24576:2bLgddQhfdmMSirYbcMNgef0BXmiHkQg6eX6SASk+Rd:2nAQqMSPbcBVBX1HkQo6SAARd

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3213) 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
3936	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	2024-09-29_07c2948790583a46176008979c79cf13_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	2024-09-29_07c2948790583a46176008979c79cf13_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-09-29_07c2948790583a46176008979c79cf13_wannacry.exe

Modifies data under HKEY_USERS 5 IoCs

description	ioc	Process
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	2024-09-29_07c2948790583a46176008979c79cf13_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-09-29_07c2948790583a46176008979c79cf13_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	2024-09-29_07c2948790583a46176008979c79cf13_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	2024-09-29_07c2948790583a46176008979c79cf13_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	2024-09-29_07c2948790583a46176008979c79cf13_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-09-29_07c2948790583a46176008979c79cf13_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-09-29_07c2948790583a46176008979c79cf13_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:1676
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:3936

C:\Users\Admin\AppData\Local\Temp\2024-09-29_07c2948790583a46176008979c79cf13_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-09-29_07c2948790583a46176008979c79cf13_wannacry.exe -m security
1⤵
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:4348

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=3924,i,3861745594156495651,17595114179815238301,262144 --variations-seed-version --mojo-platform-channel-handle=2508 /prefetch:8
1⤵
PID:5068

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

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Downloads

C:\Windows\tasksche.exe

Filesize
3.4MB

MD5
1102f6abb9eb9642156ce595578327a7

SHA1
712243722e007a3cdc285f0bbfef80c4511b33cf

SHA256
aa2e05ab9a8dc2cd0d7388d96696a18b8ba4d229d16cf8900c12fc425ab8b961

SHA512
dae02089ffbfce1945df5a638c77512b02fa3062ea57b98bf04fb479821b235be072520ba6f5e2f506e29aa432193c3869c8be78bbf5e48c54f4957d5c2a59e8

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