wannacry | f41711fb8e90dbecd5017b1fedd56bbde2e6041b1bb3f1ea3f45a67343918b8a

Analysis

max time kernel
150s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
16-06-2024 11:28

Target

2024-06-16_2c4f3e8d3c2e5bb460f4733524d6c1c8_wannacry.exe
Size

5.0MB
MD5

2c4f3e8d3c2e5bb460f4733524d6c1c8
SHA1

3e189f41f328d92a1a73f61ca8402427069a9f7f
SHA256

f41711fb8e90dbecd5017b1fedd56bbde2e6041b1bb3f1ea3f45a67343918b8a
SHA512

53fe21e701434b7ca3ee64f8cd7234cbabcf3bf7c2c7f5b963e94cfd7df14d4ecc6c932ad75ee830ffa8c1b463e59683a53f38c747ebef734738089996de9176
SSDEEP

98304:yDqPoBhz1aEk36SAEdhvxWa9P593R8yAVp2:yDqPe15k3ZAEUadzR8yc4

Score

10^/10

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (2700) 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

Processes:

tasksche.exe

pid process

4432 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

Processes:

2024-06-16_2c4f3e8d3c2e5bb460f4733524d6c1c8_wannacry.exe

description ioc process

File created C:\WINDOWS\tasksche.exe 2024-06-16_2c4f3e8d3c2e5bb460f4733524d6c1c8_wannacry.exe

pid	process
4432	tasksche.exe

description	ioc	process
File created	C:\WINDOWS\tasksche.exe	2024-06-16_2c4f3e8d3c2e5bb460f4733524d6c1c8_wannacry.exe

Modifies data under HKEY_USERS 5 IoCs

Processes:

2024-06-16_2c4f3e8d3c2e5bb460f4733524d6c1c8_wannacry.exe

description	ioc	process
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	2024-06-16_2c4f3e8d3c2e5bb460f4733524d6c1c8_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	2024-06-16_2c4f3e8d3c2e5bb460f4733524d6c1c8_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	2024-06-16_2c4f3e8d3c2e5bb460f4733524d6c1c8_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	2024-06-16_2c4f3e8d3c2e5bb460f4733524d6c1c8_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-06-16_2c4f3e8d3c2e5bb460f4733524d6c1c8_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-06-16_2c4f3e8d3c2e5bb460f4733524d6c1c8_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-06-16_2c4f3e8d3c2e5bb460f4733524d6c1c8_wannacry.exe"
1⤵
- Drops file in Windows directory
PID:1020

C:\WINDOWS\tasksche.exe
C:\WINDOWS\tasksche.exe /i
2⤵
- Executes dropped EXE
PID:4432

C:\Users\Admin\AppData\Local\Temp\2024-06-16_2c4f3e8d3c2e5bb460f4733524d6c1c8_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-06-16_2c4f3e8d3c2e5bb460f4733524d6c1c8_wannacry.exe -m security
1⤵
- Modifies data under HKEY_USERS
PID:8

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Network Service Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

C:\Windows\tasksche.exe

Filesize
3.4MB

MD5
03b9b63d065e7adbaa8da10b8b03d751

SHA1
b6e67ea301d843cab7088596e81a5e083d969f76

SHA256
d263169531e96592689629a5fa2f6e5bb4b47a20d529d44ac2c254daaac23e54

SHA512
3210c1be94a2002531e2fd02cdc85b9e3b76630fb1a06b015b82a2a87bde452259290eaedde94551b850f674e4df8971cffcf44212f4aa06e8dbf98ea62b927e

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