wannacry | 9c9b598510b57c3b26563b19478414b3ca3e0ad8979f4cd03be9eb85777bf20a

Analysis

max time kernel
150s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240611-en
resource tags

arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system
submitted
04-07-2024 12:46

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General

Target

2024-07-04_b96d96addb4a9c9e3a655a962ef30232_wannacry.exe
Size

5.0MB
MD5

b96d96addb4a9c9e3a655a962ef30232
SHA1

7eafe7ecd5ea882bf3d98498a54ae613242c6fca
SHA256

9c9b598510b57c3b26563b19478414b3ca3e0ad8979f4cd03be9eb85777bf20a
SHA512

712890b8d8e9cf96c9b2bd64f42fab1f79cdaf947e76519a81be0ef495fd9188dfcf1615d780f156e6b56483b3c9433a700e68a299f4a9e02bb994aba6527a13
SSDEEP

49152:2nAQqMSPbcBVQej/N6SAARdhnvxJM0H9PAMEcaEau37:yDqPoBhzN6SAEdhvxWa9P5937

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3232) 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
4116	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	2024-07-04_b96d96addb4a9c9e3a655a962ef30232_wannacry.exe

Modifies data under HKEY_USERS 5 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-07-04_b96d96addb4a9c9e3a655a962ef30232_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	2024-07-04_b96d96addb4a9c9e3a655a962ef30232_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	2024-07-04_b96d96addb4a9c9e3a655a962ef30232_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	2024-07-04_b96d96addb4a9c9e3a655a962ef30232_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	2024-07-04_b96d96addb4a9c9e3a655a962ef30232_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-07-04_b96d96addb4a9c9e3a655a962ef30232_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-07-04_b96d96addb4a9c9e3a655a962ef30232_wannacry.exe"
1⤵
- Drops file in Windows directory
PID:3584
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:4116

C:\Users\Admin\AppData\Local\Temp\2024-07-04_b96d96addb4a9c9e3a655a962ef30232_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-07-04_b96d96addb4a9c9e3a655a962ef30232_wannacry.exe -m security
1⤵
- Modifies data under HKEY_USERS
PID:3432

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Network Service Discovery

T1046

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Windows\tasksche.exe

Filesize
3.4MB

MD5
21eff63a34491b44dacf0bf468af8124

SHA1
168264c2da61f1f09eb14978415aaa9edee9601f

SHA256
08cb6b6626aaf11dd58905d269677fd8b33fd978e3cea7108a7a100090ca663b

SHA512
6fdca68baf81599cea1ccee5951c3db3d9fd9f904aff76c270f27cb58c09f2200faafbcca7bd48d143fdf165893b4f44c9ae4845aa6185c061fd8bad91766292

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