wannacry | 6e9102e179d61334d255bc0aeed4493fc16b82c343f0b46a1d4d95eaef73be5a

Analysis

max time kernel
150s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
01-11-2024 15:43

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General

Target

2024-11-01_c73abcf001eeb9005dbaeca72e0033a4_wannacry.exe
Size

3.6MB
MD5

c73abcf001eeb9005dbaeca72e0033a4
SHA1

c4736013d4019117cb5f55889ff9ec69a8be3f9a
SHA256

6e9102e179d61334d255bc0aeed4493fc16b82c343f0b46a1d4d95eaef73be5a
SHA512

bb1c4325fde98fa175cbe6e26cfa120f318b5e7f14713233fa6cf99d14a0db928afa493cca744152c1c9c503232d85c70c8a80042041fc5024febcb37b5d7927
SSDEEP

98304:yDqPoBhz1aRxcSUDk36SAEdhvzWa9P593R8yAVp2HI:yDqPe1Cxcxk3ZAEOadzR8yc4HI

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 (3161) 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

1952 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:

2024-11-01_c73abcf001eeb9005dbaeca72e0033a4_wannacry.exe

description ioc process

File created C:\WINDOWS\tasksche.exe 2024-11-01_c73abcf001eeb9005dbaeca72e0033a4_wannacry.exe

pid	process
1952	tasksche.exe

description	ioc	process
File created	C:\WINDOWS\tasksche.exe	2024-11-01_c73abcf001eeb9005dbaeca72e0033a4_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

Processes:

2024-11-01_c73abcf001eeb9005dbaeca72e0033a4_wannacry.exe2024-11-01_c73abcf001eeb9005dbaeca72e0033a4_wannacry.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-11-01_c73abcf001eeb9005dbaeca72e0033a4_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-11-01_c73abcf001eeb9005dbaeca72e0033a4_wannacry.exe

Modifies data under HKEY_USERS 5 IoCs

Processes:

2024-11-01_c73abcf001eeb9005dbaeca72e0033a4_wannacry.exe

description	ioc	process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-11-01_c73abcf001eeb9005dbaeca72e0033a4_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	2024-11-01_c73abcf001eeb9005dbaeca72e0033a4_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	2024-11-01_c73abcf001eeb9005dbaeca72e0033a4_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	2024-11-01_c73abcf001eeb9005dbaeca72e0033a4_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	2024-11-01_c73abcf001eeb9005dbaeca72e0033a4_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-11-01_c73abcf001eeb9005dbaeca72e0033a4_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-11-01_c73abcf001eeb9005dbaeca72e0033a4_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:2988
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:1952

C:\Users\Admin\AppData\Local\Temp\2024-11-01_c73abcf001eeb9005dbaeca72e0033a4_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-11-01_c73abcf001eeb9005dbaeca72e0033a4_wannacry.exe -m security
1⤵
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:2232

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
7f81195786ca87b6dfdf7404443e42b4

SHA1
0f142c7bccf609da487b321b3f4f6fa3db0a959a

SHA256
5b242886836ebf7173d9a748e4d4f2c0408fd38b007509e8819e6aebfe510c60

SHA512
ad89846c90f806360fc56ff0c873331471d4c737143c819748427385360a3473b9b7b5bcd8bf0d35b9d44cbdfb34c6b0b37426b0d1f922b4e8ac743431367d8e

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