wannacry | 91647c8fdf3bc3b25797cb367d578dd3044f76993ba8457d89876f55b5cc841a

Analysis

max time kernel
120s
max time network
125s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
22-12-2024 13:32

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General

Target

91647c8fdf3bc3b25797cb367d578dd3044f76993ba8457d89876f55b5cc841a.exe
Size

5.0MB
MD5

4bc70640a4fe437921ec5e143e7de636
SHA1

069c081ae40813a2168db3853eac5aba22d54066
SHA256

91647c8fdf3bc3b25797cb367d578dd3044f76993ba8457d89876f55b5cc841a
SHA512

2fee817321bef778f2dd7214c386b9e66c2f151e86485e14fd522d8f00eeb5abe7111b49e84587d9184ab0d1a45d81a30071522eff77f8fe94f535986044994c
SSDEEP

49152:2nAQqMSPbcBVQej/1INRx+TSqTdX1HkQo6SAAV:yDqPoBhz1aRxcSUDk36SAA

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 (2462) 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
5012	tasksche.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\WINDOWS\tasksche.exe	91647c8fdf3bc3b25797cb367d578dd3044f76993ba8457d89876f55b5cc841a.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	91647c8fdf3bc3b25797cb367d578dd3044f76993ba8457d89876f55b5cc841a.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	91647c8fdf3bc3b25797cb367d578dd3044f76993ba8457d89876f55b5cc841a.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"	91647c8fdf3bc3b25797cb367d578dd3044f76993ba8457d89876f55b5cc841a.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	91647c8fdf3bc3b25797cb367d578dd3044f76993ba8457d89876f55b5cc841a.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	91647c8fdf3bc3b25797cb367d578dd3044f76993ba8457d89876f55b5cc841a.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	91647c8fdf3bc3b25797cb367d578dd3044f76993ba8457d89876f55b5cc841a.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	91647c8fdf3bc3b25797cb367d578dd3044f76993ba8457d89876f55b5cc841a.exe

C:\Users\Admin\AppData\Local\Temp\91647c8fdf3bc3b25797cb367d578dd3044f76993ba8457d89876f55b5cc841a.exe
"C:\Users\Admin\AppData\Local\Temp\91647c8fdf3bc3b25797cb367d578dd3044f76993ba8457d89876f55b5cc841a.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:2796
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:5012

C:\Users\Admin\AppData\Local\Temp\91647c8fdf3bc3b25797cb367d578dd3044f76993ba8457d89876f55b5cc841a.exe
C:\Users\Admin\AppData\Local\Temp\91647c8fdf3bc3b25797cb367d578dd3044f76993ba8457d89876f55b5cc841a.exe -m security
1⤵
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:4436

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
e36210a397bffab93372523e7a0b9ac3

SHA1
a787b834ebea2f4463ba478a808c6514c78c87d2

SHA256
584553664dc9dd0db9c064cdccd9b20165d97f1df4e676bc8f1a268afd2cb2a4

SHA512
1eb8b92f38ca1abc0b364f007f77132c664d2cf3da6241586d9dd8b5c3f243bdb8bd10847630648f2a235b3db4c5439d2dabfbd39e2942b1371e7f17521a0f9e

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