wannacry | 6e1e49f2ac0e0914757f9d73e286dff1253bb421132221ccc0404b9a3b1229b9

Analysis

max time kernel
150s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
03-08-2024 12:48

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General

Target

2024-08-03_54945018d2bb1f84f8191c6d498d96c6_wannacry.exe
Size

5.0MB
MD5

54945018d2bb1f84f8191c6d498d96c6
SHA1

e356542c92d208217c7a25a5cb9493bce367e054
SHA256

6e1e49f2ac0e0914757f9d73e286dff1253bb421132221ccc0404b9a3b1229b9
SHA512

cf3658d57132efe6bc5c1445becc7ad1868f7297c9a34928b4002d53d9caa46d0d510499cd56c47e64f43d31b267a26ae3998549a863a7b640352883e180f48b
SSDEEP

12288:GvbLgPlu+QhMbaIMu7L5NVErCA4z2g6rTcbckPU82:2bLgddQhfdmMSirYbcM

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3222) 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
3456	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	2024-08-03_54945018d2bb1f84f8191c6d498d96c6_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	2024-08-03_54945018d2bb1f84f8191c6d498d96c6_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-08-03_54945018d2bb1f84f8191c6d498d96c6_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\UNCAsIntranet = "1"	2024-08-03_54945018d2bb1f84f8191c6d498d96c6_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	2024-08-03_54945018d2bb1f84f8191c6d498d96c6_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-08-03_54945018d2bb1f84f8191c6d498d96c6_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	2024-08-03_54945018d2bb1f84f8191c6d498d96c6_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	2024-08-03_54945018d2bb1f84f8191c6d498d96c6_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-08-03_54945018d2bb1f84f8191c6d498d96c6_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-08-03_54945018d2bb1f84f8191c6d498d96c6_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:2616
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:3456

C:\Users\Admin\AppData\Local\Temp\2024-08-03_54945018d2bb1f84f8191c6d498d96c6_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-08-03_54945018d2bb1f84f8191c6d498d96c6_wannacry.exe -m security
1⤵
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:2656

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
d94db1866a929a23477dececc4b2802d

SHA1
73844fb1fa784a5243004e8d44f7d3ace805e463

SHA256
eb80960f60384eb1f19f0a5b20f0878286111056d409e0e579954a449cd65893

SHA512
b2cef7f4ed39342d91572ad188838d53e7c6dcea0ffb868ff6103f42cbd9b0d0740bdea874772b623bf7955597d9ee997784a0c165efac90d87af7f88bae97f6

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