wannacry | a01eea9838d6301dfff666282bb2b71fe25f9ba521829e5a08bd8a8047493d98

Analysis

max time kernel
150s
max time network
157s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
29-09-2024 21:10

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General

Target

202409295873e664cb6f8a2eab04fd41b860e018wannacry.exe
Size

5.0MB
MD5

5873e664cb6f8a2eab04fd41b860e018
SHA1

9af44f70d4ee59f2d1d110ce79f79510a736be25
SHA256

a01eea9838d6301dfff666282bb2b71fe25f9ba521829e5a08bd8a8047493d98
SHA512

50352d53772af93aabaa22d897ae20f71a013022a0a39a31ed62469c5f63b0c8e7bd8aaa9e94f1140928b29c92628d3aac290baae60a0e26f75083aa18e85246
SSDEEP

49152:2nAQqMSPbcBVQej/1INRx+TSqTdX1HkQo6SAAZ:yDqPoBhz1aRxcSUDk36SAE

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3263) 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
5080	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	202409295873e664cb6f8a2eab04fd41b860e018wannacry.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	202409295873e664cb6f8a2eab04fd41b860e018wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	202409295873e664cb6f8a2eab04fd41b860e018wannacry.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"	202409295873e664cb6f8a2eab04fd41b860e018wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	202409295873e664cb6f8a2eab04fd41b860e018wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	202409295873e664cb6f8a2eab04fd41b860e018wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	202409295873e664cb6f8a2eab04fd41b860e018wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	202409295873e664cb6f8a2eab04fd41b860e018wannacry.exe

C:\Users\Admin\AppData\Local\Temp\202409295873e664cb6f8a2eab04fd41b860e018wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\202409295873e664cb6f8a2eab04fd41b860e018wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:4792
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:5080

C:\Users\Admin\AppData\Local\Temp\202409295873e664cb6f8a2eab04fd41b860e018wannacry.exe
C:\Users\Admin\AppData\Local\Temp\202409295873e664cb6f8a2eab04fd41b860e018wannacry.exe -m security
1⤵
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:1900

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

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Downloads

C:\Windows\tasksche.exe

Filesize
3.4MB

MD5
a98292d574a6963bc1750c67761d9439

SHA1
0531d86351b4e54a1355cfa75bf88eda8a5ea5f9

SHA256
3ece6b85021a3b4db03d55b3adb55604655c79c1f576ae6c7077dd6128b8cf0f

SHA512
eb2b1d7daf32a95547456393337baef913d2e78b9190ce4800924185a8ed0256831ac8e859f5b3debe160f2648b75004938b568e80459eb67f1c3c4f0660aa16

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