wannacry | f84b780e07076c17109cca4c978531060e2270a6b4f6b861251afb0361728430

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
15-01-2025 02:44

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General

Target

2025-01-15_55946a39695fed6ae01fa702c3ff4b0b_wannacry.exe
Size

3.6MB
MD5

55946a39695fed6ae01fa702c3ff4b0b
SHA1

5316efeedf6b3b7b42e966dea38ae9735eb39072
SHA256

f84b780e07076c17109cca4c978531060e2270a6b4f6b861251afb0361728430
SHA512

dc7bcc69a23c68c531e2a08c47aa119a3a2cee0663610d151c04ac69e6cd82826497c1935f91f5c50cc280bc93612a7755bfd18e00899b840e3363e73571dfe5
SSDEEP

98304:yDqPoBhz1aRxcSUDk36SAEdhvxWa9P528yAVp2HI:yDqPe1Cxcxk3ZAEUadQ8yc4HI

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 (3288) 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
4584	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	2025-01-15_55946a39695fed6ae01fa702c3ff4b0b_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	2025-01-15_55946a39695fed6ae01fa702c3ff4b0b_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-01-15_55946a39695fed6ae01fa702c3ff4b0b_wannacry.exe

Modifies data under HKEY_USERS 5 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2025-01-15_55946a39695fed6ae01fa702c3ff4b0b_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	2025-01-15_55946a39695fed6ae01fa702c3ff4b0b_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	2025-01-15_55946a39695fed6ae01fa702c3ff4b0b_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	2025-01-15_55946a39695fed6ae01fa702c3ff4b0b_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	2025-01-15_55946a39695fed6ae01fa702c3ff4b0b_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2025-01-15_55946a39695fed6ae01fa702c3ff4b0b_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2025-01-15_55946a39695fed6ae01fa702c3ff4b0b_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:632
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:4584

C:\Users\Admin\AppData\Local\Temp\2025-01-15_55946a39695fed6ae01fa702c3ff4b0b_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2025-01-15_55946a39695fed6ae01fa702c3ff4b0b_wannacry.exe -m security
1⤵
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:3596

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
9a4aa45c912b1e81c614d4a173a85fa1

SHA1
e7df6122dbb4ab89ad10940e2472729ab21194e9

SHA256
beb2f7afe88ae27f7254a046655603ce447fea63dfb3cd89beceabacd3024a75

SHA512
6074400802889a7cc8182bf91c7ded4dc95e039b75b25741360336ba2571170e3af2dfcc919b3b484b5c84f50f3683d5b7faee2301a00e8445555e83ec644c20

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