wannacry | 0a44e0c3efc5625ca990fe6f607404a6cfa560db6a7cb100aea64eea74d95c92

Analysis

max time kernel
150s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20250314-en
resource tags

arch:x64arch:x86image:win10v2004-20250314-enlocale:en-usos:windows10-2004-x64system
submitted
29/03/2025, 04:39

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General

Target

2025-03-29_d45384e349f28382e3b7d9669d563e0b_wannacry.exe
Size

3.6MB
MD5

d45384e349f28382e3b7d9669d563e0b
SHA1

42cf9543851c4a2969a1cde574bc8adcad0e4b4d
SHA256

0a44e0c3efc5625ca990fe6f607404a6cfa560db6a7cb100aea64eea74d95c92
SHA512

d8f43c9835a6b96e9ecd135d1fc05062ae38af867c2303941b3d81f0962cae660933c39531b3e9e55d631df52d4c4d2410319c43a61dc5d19923acde81e6f00d
SSDEEP

24576:2bLgddQhfdmMSirYbcMNgef0QeQPD8kIqRYoAdNLKz6626:2nAQqMSPbcBVQeK1INR

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 (3302) 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
5972	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	2025-03-29_d45384e349f28382e3b7d9669d563e0b_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	2025-03-29_d45384e349f28382e3b7d9669d563e0b_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-03-29_d45384e349f28382e3b7d9669d563e0b_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"	2025-03-29_d45384e349f28382e3b7d9669d563e0b_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2025-03-29_d45384e349f28382e3b7d9669d563e0b_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	2025-03-29_d45384e349f28382e3b7d9669d563e0b_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	2025-03-29_d45384e349f28382e3b7d9669d563e0b_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	2025-03-29_d45384e349f28382e3b7d9669d563e0b_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2025-03-29_d45384e349f28382e3b7d9669d563e0b_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2025-03-29_d45384e349f28382e3b7d9669d563e0b_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:4304
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:5972

C:\Users\Admin\AppData\Local\Temp\2025-03-29_d45384e349f28382e3b7d9669d563e0b_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2025-03-29_d45384e349f28382e3b7d9669d563e0b_wannacry.exe -m security
1⤵
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:5880

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
bc6d629b6c39020a978de6526e801090

SHA1
b5d3a78643e47d36c58caba3819287721cc685cf

SHA256
74ff9f6133f62e45ddc2fa22b6acd96b092463407d97bc3de0e25f052b41ad9e

SHA512
667833ebb9bf39ed4e6ec91880bcb1b9556bbe91221e552ea77decde3e1ee1d71d0973b535b085816875be2477214c8517f61e6354666f30b9855552aa9e4bdd

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