wannacry | e3d586509f9a01f59034ad58d9202ca84c6402392417d1f59b8c7e4daeb3846b

Analysis

max time kernel
150s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20240709-en
resource tags

arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
submitted
24/07/2024, 10:15

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General

Target
2024-07-24_973ed85e9067ade9d7869b993c11e511_wannacry.exe
Size 5.0MB
Sample240724-mahyms1blm
SHA256 e3d586509f9a01f59034ad58d9202ca84c6402392417d1f59b8c7e4daeb3846b
MD5 973ed85e9067ade9d7869b993c11e511
SHA1 34b4cc0667041316d388dcf443690666c449dc18
SHA512 d7e7381fd40664b389d43caffd1a5cd89fe26f9b291683ef8372d4d40931b6c928a248fc46c8eea8af63061bec9da82e79ef1df7a782d42d325dc70da135efc9
SSDEEP 98304:yDqPoBhz1aRxcSUDk36SAEdhvxWa9P593R8yAVp2:yDqPe1Cxcxk3ZAEUadzR8yc4
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3136) 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
1672	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	2024-07-24_973ed85e9067ade9d7869b993c11e511_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	2024-07-24_973ed85e9067ade9d7869b993c11e511_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-07-24_973ed85e9067ade9d7869b993c11e511_wannacry.exe

Modifies data under HKEY_USERS 5 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-07-24_973ed85e9067ade9d7869b993c11e511_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	2024-07-24_973ed85e9067ade9d7869b993c11e511_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	2024-07-24_973ed85e9067ade9d7869b993c11e511_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	2024-07-24_973ed85e9067ade9d7869b993c11e511_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	2024-07-24_973ed85e9067ade9d7869b993c11e511_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-07-24_973ed85e9067ade9d7869b993c11e511_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-07-24_973ed85e9067ade9d7869b993c11e511_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:4856
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:1672

C:\Users\Admin\AppData\Local\Temp\2024-07-24_973ed85e9067ade9d7869b993c11e511_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-07-24_973ed85e9067ade9d7869b993c11e511_wannacry.exe -m security
1⤵
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:4412

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

tasksche.exe

Path C:\Windows\tasksche.exe
Size 3.4MB
SHA256 40ec30f1fcc35d1f3321d03d50bfa34757fe8cd263c9341fc640a3efe49e35ba
MD5 e19af82a5e68a8c1289d6358ff2f4071
SHA1 91ca9007ec46d4a21f80b09c811b08c4890bdc46
SHA512 41e8599caeebfa3f50ff0822c646b207cb5b5635bae2ae9f71f2ea243ee35f5bdca841cb8cd2e231148c67ed5e82742ebb86b24700aa5f3be4bd962720bc99b3
SSDEEP 98304:QqPoBhz1aRxcSUDk36SAEdhvxWa9P593R8yAVp2:QqPe1Cxcxk3ZAEUadzR8yc4
MD5 SHA1 SHA512 SSDEEP

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