wannacry | 319dcd357a567cdd92c86cfc4b72a26b53f464be896713f32f61117e088bbac1

Analysis

max time kernel
150s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
05-10-2024 20:48

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General

Target

2024-10-05_2c6bc97c8085e14d87b1febea01ebead_wannacry.exe
Size

3.6MB
MD5

2c6bc97c8085e14d87b1febea01ebead
SHA1

58f48ab2862cfe4a08ad6add831d3a3639493ecb
SHA256

319dcd357a567cdd92c86cfc4b72a26b53f464be896713f32f61117e088bbac1
SHA512

7d7388b41256939e409ad59e877cb3beabf73e7326fd52e6aa384e1acf6f5a04afaa0db0b161bcf241b2c9f0a0ff7eb56778f7b3a9065837319b56c0773c1121
SSDEEP

98304:XDqPoBhz1CRxcSUDk36SAEdhvxWa9P593R8yAVp2HI:XDqPe1Kxcxk3ZAEUadzR8yc4HI

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3192) 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
4032	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	2024-10-05_2c6bc97c8085e14d87b1febea01ebead_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	2024-10-05_2c6bc97c8085e14d87b1febea01ebead_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-10-05_2c6bc97c8085e14d87b1febea01ebead_wannacry.exe

Modifies data under HKEY_USERS 5 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-10-05_2c6bc97c8085e14d87b1febea01ebead_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	2024-10-05_2c6bc97c8085e14d87b1febea01ebead_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	2024-10-05_2c6bc97c8085e14d87b1febea01ebead_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	2024-10-05_2c6bc97c8085e14d87b1febea01ebead_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	2024-10-05_2c6bc97c8085e14d87b1febea01ebead_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-10-05_2c6bc97c8085e14d87b1febea01ebead_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-10-05_2c6bc97c8085e14d87b1febea01ebead_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:1660
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:4032

C:\Users\Admin\AppData\Local\Temp\2024-10-05_2c6bc97c8085e14d87b1febea01ebead_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-10-05_2c6bc97c8085e14d87b1febea01ebead_wannacry.exe -m security
1⤵
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:4452

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
3b79c6a2ec98ff1719a4543a5c37c4ce

SHA1
41f7703b7b576ea6179c930ea933443eaf492fa1

SHA256
00ea5e90a29a223340328caf39de2c98b8104079b8cc9c535a996d4dfeccc81f

SHA512
ca61b173b95c6d06aa8484fdac7a9498cff7e44664b94a1067944e7e6199ddba6c0947c211fa9452aed717cef480ac6f15198e87a0498f81dc2a71919b06ae20

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