wannacry | 7837231c89e52635554a867eb5274fa4c1c9149d92b6d09435baf5b6f964d86b

Analysis

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

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
27-09-2024 16:54

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General

Target

2024-09-27_2dd0ad0d055e1b487ad92750f78fc75d_wannacry.exe
Size

3.6MB
MD5

2dd0ad0d055e1b487ad92750f78fc75d
SHA1

d0bc863ced81c93c0a40f62ca9a67a98558a2227
SHA256

7837231c89e52635554a867eb5274fa4c1c9149d92b6d09435baf5b6f964d86b
SHA512

538bed3012e7f9846d5d67193270839c3e1c501b65c7aeb0009523126d33d7227b7a699b4008a5bdf96b3847bbe416072b773612af6d9bd06fb3b2a711570146
SSDEEP

98304:ZDqPoBhz1aRxcSUDk36SAEdhvxWa9P592c/Jf:ZDqPe1Cxcxk3ZAEUadN1

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3318) 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
1268	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	2024-09-27_2dd0ad0d055e1b487ad92750f78fc75d_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	2024-09-27_2dd0ad0d055e1b487ad92750f78fc75d_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-09-27_2dd0ad0d055e1b487ad92750f78fc75d_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\IntranetName = "1"	2024-09-27_2dd0ad0d055e1b487ad92750f78fc75d_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	2024-09-27_2dd0ad0d055e1b487ad92750f78fc75d_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	2024-09-27_2dd0ad0d055e1b487ad92750f78fc75d_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-09-27_2dd0ad0d055e1b487ad92750f78fc75d_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	2024-09-27_2dd0ad0d055e1b487ad92750f78fc75d_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-09-27_2dd0ad0d055e1b487ad92750f78fc75d_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-09-27_2dd0ad0d055e1b487ad92750f78fc75d_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:436
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:1268

C:\Users\Admin\AppData\Local\Temp\2024-09-27_2dd0ad0d055e1b487ad92750f78fc75d_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-09-27_2dd0ad0d055e1b487ad92750f78fc75d_wannacry.exe -m security
1⤵
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:3564

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
0af87203148e5715656fc7a838e06018

SHA1
4374050f51a6c85fb0a06f127933fffe75b0f289

SHA256
18726225315e9d2c18426cba03b83bd43bb7ea0ae9f6dd749516fc498f53dcdc

SHA512
aca8540db044a50990d6e756630a4e359b440c069310fe294def1d8f82d8d6f79b80161f3ff7a074f0f2533109e8112b69885808d95a14ff1ae7ac2488ac5864

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