wannacry | 9f891e6bb04e481ddc90fee3df3f6645cdf5d429aa24093643eb6147a3b9df6f

Analysis

max time kernel
150s
max time network
156s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
18-02-2025 03:24

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General

Target

2025-02-18_63e4027adcf8e68cb771680dc062a9a9_wannacry.exe
Size

5.0MB
MD5

63e4027adcf8e68cb771680dc062a9a9
SHA1

cd781c0a99a0fed0645a5757d33c23762aa59371
SHA256

9f891e6bb04e481ddc90fee3df3f6645cdf5d429aa24093643eb6147a3b9df6f
SHA512

e835718be7a6b52c3cc675d3ab0ab73c7d5912a0c8b89084525013c630921fd6d5877a6b98aeb70c29bba48276d251c025bdb958e37d21e2188a26c57ff01a9b
SSDEEP

12288:GwbLgPluxQhMbaIMu7L5NVErCA4z2g6rTcbckPU82900Ve7zw+K+3:VbLgdeQhfdmMSirYbcMNgef00

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 (3266) 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
2980	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 System32 directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\Temporary Internet Files\counters.dat	2025-02-18_63e4027adcf8e68cb771680dc062a9a9_wannacry.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\WINDOWS\tasksche.exe	2025-02-18_63e4027adcf8e68cb771680dc062a9a9_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	2025-02-18_63e4027adcf8e68cb771680dc062a9a9_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-02-18_63e4027adcf8e68cb771680dc062a9a9_wannacry.exe

Modifies data under HKEY_USERS 1 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	2025-02-18_63e4027adcf8e68cb771680dc062a9a9_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2025-02-18_63e4027adcf8e68cb771680dc062a9a9_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2025-02-18_63e4027adcf8e68cb771680dc062a9a9_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:2596
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:2980

C:\Users\Admin\AppData\Local\Temp\2025-02-18_63e4027adcf8e68cb771680dc062a9a9_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2025-02-18_63e4027adcf8e68cb771680dc062a9a9_wannacry.exe -m security
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:2584

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
1064133d439ae48fab2026338d9e75a2

SHA1
db85bc5a2eaac2c1796ef0cc556e3e93e94217ac

SHA256
48aa231231bf8a9d99f2aa189d27c8ede5bcc65f2457eb6ee02be319efff698e

SHA512
9815d2de2208a6d921f30b1f169a56272fddc8006164ea1368903c80e75fe8f884752bb08eed2ab7f7158d0ab91a1374effdd8cf36c779b5c55a594a87c94af9

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