wannacry | fcb9fc855e483f404c2386bcebe5c1a48e705fe5a85a750b716c95aea682ed85

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
05-10-2024 22:24

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General

Target

2024-10-05_556803ff2c89eb4954ddba4f62d93baf_wannacry.exe
Size

3.6MB
MD5

556803ff2c89eb4954ddba4f62d93baf
SHA1

458044060d035b25c51bea4a9abfde21b77da4e2
SHA256

fcb9fc855e483f404c2386bcebe5c1a48e705fe5a85a750b716c95aea682ed85
SHA512

db1e74b4ce14a98c80919673a96505fdc2e90f36f974251c3e1675438a14994c7ae057fc92af3ee0638d5fade91334d20aaa6ab5742fe4319a3f98a9cdd45494
SSDEEP

49152:2nAQqMSPbcBVQej/1INRAqxJM0H9PAMEcaEau3R8yAH1plAHI:yDqPoBhz1aRAqxWa9P593R8yAVp2HI

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3211) 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
4216	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_556803ff2c89eb4954ddba4f62d93baf_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_556803ff2c89eb4954ddba4f62d93baf_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-10-05_556803ff2c89eb4954ddba4f62d93baf_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_556803ff2c89eb4954ddba4f62d93baf_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	2024-10-05_556803ff2c89eb4954ddba4f62d93baf_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	2024-10-05_556803ff2c89eb4954ddba4f62d93baf_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	2024-10-05_556803ff2c89eb4954ddba4f62d93baf_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	2024-10-05_556803ff2c89eb4954ddba4f62d93baf_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-10-05_556803ff2c89eb4954ddba4f62d93baf_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-10-05_556803ff2c89eb4954ddba4f62d93baf_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:404
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:4216

C:\Users\Admin\AppData\Local\Temp\2024-10-05_556803ff2c89eb4954ddba4f62d93baf_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-10-05_556803ff2c89eb4954ddba4f62d93baf_wannacry.exe -m security
1⤵
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:1932

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
7258b2886f930f6010ef7aa3e67a671b

SHA1
e21a6b4767ca5d55dc638724c88ba68c51522a17

SHA256
432b7984e7607980a4054d1f9d29a21cdfa855fc2ac346625f309f2f2a592518

SHA512
f0b8bfd1416d3153a42fc74002a025874e0c2623da70361dd53b0466ba8986572bb53210cbfe435bd599d9ac2fd606871dd8d29bd8416716d509765715f8c5d6

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