wannacry | abaea1a4bbb53fdfbe263d3a18ba979e25f71aa8698cdc7068de7fe261c4755f

Resubmissions

11-01-2025 15:21

250111-srlnraslbt 3

11-01-2025 14:44

250111-r4dcga1qax 10

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
11-01-2025 14:44

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General

Target

2025-01-11_334bf1f66d2e7f9cf677ad41ccdfdd68_wannacry.exe
Size

5.0MB
MD5

334bf1f66d2e7f9cf677ad41ccdfdd68
SHA1

1a3472aad239077b465fd7b97ac8f5e7776f3519
SHA256

abaea1a4bbb53fdfbe263d3a18ba979e25f71aa8698cdc7068de7fe261c4755f
SHA512

1a66801fabc736e5b9c86b8f40a5b299b79a691dfdefeb88d6942d1d8f9572806e9577693eb9a946d8e0c75134537bf9037116302ff287847945496e308ea7fa
SSDEEP

12288:GvbLgPlu+QhMbaIMu7L5NVErCA4z2g6rTcbckPU82900Ve7zw+K+DEhAvVLJAmdQ:2bLgddQhfdmMSirYbcMNgef0vhAdmv

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 (3346) 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
4840	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	2025-01-11_334bf1f66d2e7f9cf677ad41ccdfdd68_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	2025-01-11_334bf1f66d2e7f9cf677ad41ccdfdd68_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-01-11_334bf1f66d2e7f9cf677ad41ccdfdd68_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\IntranetName = "1"	2025-01-11_334bf1f66d2e7f9cf677ad41ccdfdd68_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	2025-01-11_334bf1f66d2e7f9cf677ad41ccdfdd68_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	2025-01-11_334bf1f66d2e7f9cf677ad41ccdfdd68_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2025-01-11_334bf1f66d2e7f9cf677ad41ccdfdd68_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	2025-01-11_334bf1f66d2e7f9cf677ad41ccdfdd68_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2025-01-11_334bf1f66d2e7f9cf677ad41ccdfdd68_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2025-01-11_334bf1f66d2e7f9cf677ad41ccdfdd68_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:2420
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:4840

C:\Users\Admin\AppData\Local\Temp\2025-01-11_334bf1f66d2e7f9cf677ad41ccdfdd68_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2025-01-11_334bf1f66d2e7f9cf677ad41ccdfdd68_wannacry.exe -m security
1⤵
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:3912

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
65c42266c803d4854030a456185da071

SHA1
fb118ef1ced42f723a38d18856f335ea2a4ed463

SHA256
f135368bcaa27b3926df771e61af7cc415cb0124cd18f75288e3788b30dea491

SHA512
8ea4251b64f4cb10f91ef375f5ac0b2f13634ebfb298ccb43f2c10b09d7d6ff2463e7a7c09f85714fdba68052fcc17db09c7e5679552cbff58c5261ce7bea31e

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