wannacry | 0e53f52f6182f55e101da64ff96a4a643d1fccbdde7e64dff69e91db139593c0

Analysis

max time kernel
150s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
08-01-2025 12:30

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General

Target

2025-01-08_0b5a119495bf91d85f5a9445b6fedc61_wannacry.exe
Size

3.6MB
MD5

0b5a119495bf91d85f5a9445b6fedc61
SHA1

270a459ef0148f14c5290249fdea5f800403fbda
SHA256

0e53f52f6182f55e101da64ff96a4a643d1fccbdde7e64dff69e91db139593c0
SHA512

673d0729385c414e227e4d27a067f9c135659ad7df960b50c9113075ff7e7f44a8314b6fdbf5035a62ec5edda81639f9c4778da52624093eacf5c932bbf6d56d
SSDEEP

12288:GvbLgPlu+QhMbaIMu7L5tVErCA4z2g6rTcbckPU82900Ve7zw+K+D:2bLgddQhfdmsSirYbcMNgef0

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 (3273) 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
2060	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	2025-01-08_0b5a119495bf91d85f5a9445b6fedc61_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	2025-01-08_0b5a119495bf91d85f5a9445b6fedc61_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-01-08_0b5a119495bf91d85f5a9445b6fedc61_wannacry.exe

Modifies data under HKEY_USERS 5 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2025-01-08_0b5a119495bf91d85f5a9445b6fedc61_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	2025-01-08_0b5a119495bf91d85f5a9445b6fedc61_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	2025-01-08_0b5a119495bf91d85f5a9445b6fedc61_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	2025-01-08_0b5a119495bf91d85f5a9445b6fedc61_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	2025-01-08_0b5a119495bf91d85f5a9445b6fedc61_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2025-01-08_0b5a119495bf91d85f5a9445b6fedc61_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2025-01-08_0b5a119495bf91d85f5a9445b6fedc61_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:1168
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:2060

C:\Users\Admin\AppData\Local\Temp\2025-01-08_0b5a119495bf91d85f5a9445b6fedc61_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2025-01-08_0b5a119495bf91d85f5a9445b6fedc61_wannacry.exe -m security
1⤵
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:1232

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
e06787422efb1b0b6138028ad304d173

SHA1
63716120822a8d7ad58bd581a5c37fd1084828a7

SHA256
0dbbea812a20f6457156ef09a9e23d84199cd71a3270179bdddf738609e629bd

SHA512
deb548dd210d60128ce136cca32d0e3989fc51613f44644c532fd87cd21a14576bdf43701cb2c6db3a9a8d0c6b7364178349623aa9242566885a9ca127811d95

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