wannacry | dd0cc7698b442b36dd7635d84c3da3c22c822fbd57fa1fd7bf40b365d53b928c

Analysis

max time kernel
150s
max time network
158s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
18-11-2024 11:22

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General

Target

2024-11-18_09908246258489a30d48b5df4fc850f9_wannacry.exe
Size

5.0MB
MD5

09908246258489a30d48b5df4fc850f9
SHA1

1c491b03485d383e6064162c34b9a736b2da7fde
SHA256

dd0cc7698b442b36dd7635d84c3da3c22c822fbd57fa1fd7bf40b365d53b928c
SHA512

f3e87ed6bb8252e0ddf819bf7320c9eb980053703bfc32525eb7e4271fa70ce7030833781b5d6211724ce7bdebb758d87d5836ff0b8a511c1e3e5389ddb39421
SSDEEP

98304:XDqPoBhz1aRxcSUDk36SAUvxWa9PpAVp2:XDqPe1Cxcxk3ZAnadpc4

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Wannacry family
wannacry
Contacts a large (3348) 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

Processes:

tasksche.exe

pid process

1100 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

Processes:

2024-11-18_09908246258489a30d48b5df4fc850f9_wannacry.exe

description ioc process

File created C:\WINDOWS\tasksche.exe 2024-11-18_09908246258489a30d48b5df4fc850f9_wannacry.exe

pid	process
1100	tasksche.exe

description	ioc	process
File created	C:\WINDOWS\tasksche.exe	2024-11-18_09908246258489a30d48b5df4fc850f9_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

Processes:

2024-11-18_09908246258489a30d48b5df4fc850f9_wannacry.exe2024-11-18_09908246258489a30d48b5df4fc850f9_wannacry.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-11-18_09908246258489a30d48b5df4fc850f9_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-11-18_09908246258489a30d48b5df4fc850f9_wannacry.exe

Modifies data under HKEY_USERS 5 IoCs

Processes:

2024-11-18_09908246258489a30d48b5df4fc850f9_wannacry.exe

description	ioc	process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-11-18_09908246258489a30d48b5df4fc850f9_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	2024-11-18_09908246258489a30d48b5df4fc850f9_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	2024-11-18_09908246258489a30d48b5df4fc850f9_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	2024-11-18_09908246258489a30d48b5df4fc850f9_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	2024-11-18_09908246258489a30d48b5df4fc850f9_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-11-18_09908246258489a30d48b5df4fc850f9_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-11-18_09908246258489a30d48b5df4fc850f9_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:1200
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:1100

C:\Users\Admin\AppData\Local\Temp\2024-11-18_09908246258489a30d48b5df4fc850f9_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-11-18_09908246258489a30d48b5df4fc850f9_wannacry.exe -m security
1⤵
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:4224

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
9e81f85767014a690a8de5a1259d0463

SHA1
434d11937c978e2946569546f3befb65e950b911

SHA256
81ed2eb461163e378728ceedbf370c09cb62a2024f375b073413406d4da2eaa2

SHA512
364e540e9edfb743f2c490962af67f527b79e4b7c2b2e5ad6ce448592545a20f0e7727d094867e671c5aba38af27e5f0ce7b51bf2cb50d391703ce37e3a36fd8

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