wannacry | c77eb13d251c6fc0ed34d433c0a5c4b79f349b34b224f915c98947dafe512431

Analysis

max time kernel
150s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20250129-en
resource tags

arch:x64arch:x86image:win10v2004-20250129-enlocale:en-usos:windows10-2004-x64system
submitted
01-02-2025 17:53

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General

Target

2025-02-01_e4450f9070f6af0cf6c1fe2455a9bb19_wannacry.exe
Size

5.0MB
MD5

e4450f9070f6af0cf6c1fe2455a9bb19
SHA1

86ffdff42f2ed4f831db320dfaa077250576f085
SHA256

c77eb13d251c6fc0ed34d433c0a5c4b79f349b34b224f915c98947dafe512431
SHA512

5d508a9034e2c754c97bd455a5546c46ac718515fd7d7199956f6fd1f366a00db0bab5ea3e6346531f8f88559aa3c17e8599f437a614ec8285cbb584258ca8e2
SSDEEP

49152:XnAQqMSPbcBVQej/1INRx+TSqTdX1HkQo6SAA:XDqPoBhz1aRxcSUDk36SA

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 (3291) 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
3284	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	2025-02-01_e4450f9070f6af0cf6c1fe2455a9bb19_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	2025-02-01_e4450f9070f6af0cf6c1fe2455a9bb19_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-02-01_e4450f9070f6af0cf6c1fe2455a9bb19_wannacry.exe

Modifies data under HKEY_USERS 5 IoCs

description	ioc	Process
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	2025-02-01_e4450f9070f6af0cf6c1fe2455a9bb19_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2025-02-01_e4450f9070f6af0cf6c1fe2455a9bb19_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	2025-02-01_e4450f9070f6af0cf6c1fe2455a9bb19_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	2025-02-01_e4450f9070f6af0cf6c1fe2455a9bb19_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	2025-02-01_e4450f9070f6af0cf6c1fe2455a9bb19_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2025-02-01_e4450f9070f6af0cf6c1fe2455a9bb19_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2025-02-01_e4450f9070f6af0cf6c1fe2455a9bb19_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:5088
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:3284

C:\Users\Admin\AppData\Local\Temp\2025-02-01_e4450f9070f6af0cf6c1fe2455a9bb19_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2025-02-01_e4450f9070f6af0cf6c1fe2455a9bb19_wannacry.exe -m security
1⤵
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:2432

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
76d06d2096fe49ac97c2bf21709bbba4

SHA1
a7df08006ceafb441271c615c2e1d67218ba81a1

SHA256
945f2bb56bfef539d0404194bb7a7ac1f79b2307c33c8b196078c7b16bba098c

SHA512
b29a68783506989f55eaf6bf160ab285f4579e62e8ca01ad9ef3f4cfd460832a703641a52332a4880b3f8e5d5a63cde897776dd2756b9b9e930280e8dcfd0031

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