wannacry | 44eea5e62577acea738a6d2970410b426a3544491430040ca93a4d5cbbb7d4ca

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 15:15

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General

Target

202409297ec5761bc84965130f793f244103361cwannacry.exe
Size

3.6MB
MD5

7ec5761bc84965130f793f244103361c
SHA1

cf42b82580bc9584c8d05ccebcac841abd3a980c
SHA256

44eea5e62577acea738a6d2970410b426a3544491430040ca93a4d5cbbb7d4ca
SHA512

5d06fca2f04ec3d9825a8e2805c62e5c71dc330c6b2430b1653cd57ca159c6d123f5cbd6b6800e28bef5de4e1c13908c0b2fdb388170f11c6ac009163829e4c6
SSDEEP

49152:2nAQqMSPbcBVQej/JNRx+TSqTdX1HkQo6SAARdh:yDqPoBhzrRxcSUDk36SAEdh

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3186) 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
2844	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	202409297ec5761bc84965130f793f244103361cwannacry.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	202409297ec5761bc84965130f793f244103361cwannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	202409297ec5761bc84965130f793f244103361cwannacry.exe

Modifies data under HKEY_USERS 5 IoCs

description	ioc	Process
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	202409297ec5761bc84965130f793f244103361cwannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	202409297ec5761bc84965130f793f244103361cwannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	202409297ec5761bc84965130f793f244103361cwannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	202409297ec5761bc84965130f793f244103361cwannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	202409297ec5761bc84965130f793f244103361cwannacry.exe

C:\Users\Admin\AppData\Local\Temp\202409297ec5761bc84965130f793f244103361cwannacry.exe
"C:\Users\Admin\AppData\Local\Temp\202409297ec5761bc84965130f793f244103361cwannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:4924
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:2844

C:\Users\Admin\AppData\Local\Temp\202409297ec5761bc84965130f793f244103361cwannacry.exe
C:\Users\Admin\AppData\Local\Temp\202409297ec5761bc84965130f793f244103361cwannacry.exe -m security
1⤵
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:548

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=3840,i,11391966286255097843,10588851088187498028,262144 --variations-seed-version --mojo-platform-channel-handle=4352 /prefetch:8
1⤵
PID:1584

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
0cd8ff5909688a4ebfd9cf1f1edb102b

SHA1
0dd54a59a80d631c83a3b9001cbfdb3d40864d6b

SHA256
52a0e40948af8d34d44a9c4c021beaf3faa9265ad2db96641c6600003d9678ef

SHA512
ebd2908753961930607896452feee21d0d9101c386a4e8db23c6d92d8b532941f345b6dfce7272869868bebc1ecbf005ba2036327cfd3a8545c4e77f02af4eee

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