wannacry | f2268c7d15cd4e9b0849786eaaf260e08439bf25cd77c782c2e94ea6f76ceffa

Analysis

max time kernel
150s
max time network
155s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
16-12-2023 05:07

Target

2023-12-11_dd2a915faceebbdcf279a3e42f40b1c2_wannacry.exe
Size

3.6MB
MD5

dd2a915faceebbdcf279a3e42f40b1c2
SHA1

3bf55cb4f2b19766d8e745d807835c96c4794ecd
SHA256

f2268c7d15cd4e9b0849786eaaf260e08439bf25cd77c782c2e94ea6f76ceffa
SHA512

6a9c29ec2d5480d4811471f942c9aa1c51c92d47bd629d72e0567fc49642798e7846266146698ffb7931578080fe91de9b9d7861d972b3487a2e01524e6f081c
SSDEEP

98304:yDqvoBhz1aRxcSUDk36SAEdhvxWa9P593R8yAVp2HI:yDqve1Cxcxk3ZAEUadzR8yc4HI

Score

10^/10

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3369) 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

3932 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:

2023-12-11_dd2a915faceebbdcf279a3e42f40b1c2_wannacry.exe

description ioc process

File created C:\WINDOWS\tasksche.exe 2023-12-11_dd2a915faceebbdcf279a3e42f40b1c2_wannacry.exe

pid	process
3932	tasksche.exe

description	ioc	process
File created	C:\WINDOWS\tasksche.exe	2023-12-11_dd2a915faceebbdcf279a3e42f40b1c2_wannacry.exe

Modifies data under HKEY_USERS 5 IoCs

Processes:

2023-12-11_dd2a915faceebbdcf279a3e42f40b1c2_wannacry.exe

description	ioc	process
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	2023-12-11_dd2a915faceebbdcf279a3e42f40b1c2_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	2023-12-11_dd2a915faceebbdcf279a3e42f40b1c2_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	2023-12-11_dd2a915faceebbdcf279a3e42f40b1c2_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2023-12-11_dd2a915faceebbdcf279a3e42f40b1c2_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	2023-12-11_dd2a915faceebbdcf279a3e42f40b1c2_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2023-12-11_dd2a915faceebbdcf279a3e42f40b1c2_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2023-12-11_dd2a915faceebbdcf279a3e42f40b1c2_wannacry.exe"
1⤵
- Drops file in Windows directory
PID:856

C:\WINDOWS\tasksche.exe
C:\WINDOWS\tasksche.exe /i
2⤵
- Executes dropped EXE
PID:3932

C:\Users\Admin\AppData\Local\Temp\2023-12-11_dd2a915faceebbdcf279a3e42f40b1c2_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2023-12-11_dd2a915faceebbdcf279a3e42f40b1c2_wannacry.exe -m security
1⤵
- Modifies data under HKEY_USERS
PID:1616

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
588KB

MD5
f7afd2a85d432e1e09b55f1f4f36c999

SHA1
b101b9e18319250183a789e80063615299fb7823

SHA256
369bab55dd8d1b657f31b9ce0a8deab9f08ff053756d843fc352014c68ed785a

SHA512
d05983f8f3c4acc07c9b337d250236ca55e312b34590a7f845fd39d99ebf528b9d36ecd2410466688c650d00a1bab9944f8f66e22893cf553104f000a4f2e406

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