wannacry | 028d1781bc00cbad2f20dc8bc344fcb8b5f3aae82dd601ff257d663325896d13

Analysis

max time kernel
150s
max time network
156s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
18/12/2024, 02:23

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General

Target

2024-12-18_82b7871b9138ee91a4b4431623045501_wannacry.exe
Size

3.6MB
MD5

82b7871b9138ee91a4b4431623045501
SHA1

6f1586a7dfa7af697597ef8744ceb97195fab8c2
SHA256

028d1781bc00cbad2f20dc8bc344fcb8b5f3aae82dd601ff257d663325896d13
SHA512

3404556f9acb381550252bb57acf166db9d9de3eeeccd9b7c0a41125bbe63e3bf618c04e94da004b3595378502178d1efeb3a1ceb12f223c5bbbed011bfdaa6c
SSDEEP

98304:Z8qPoBhz1aRxcSUDk36SAEdhvxWa9P59UcM8yAVp2HI:Z8qPe1Cxcxk3ZAEUadc8yc4HI

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 (3299) 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
1172	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 System32 directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\Temporary Internet Files\counters.dat	2024-12-18_82b7871b9138ee91a4b4431623045501_wannacry.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\WINDOWS\tasksche.exe	2024-12-18_82b7871b9138ee91a4b4431623045501_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	2024-12-18_82b7871b9138ee91a4b4431623045501_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-12-18_82b7871b9138ee91a4b4431623045501_wannacry.exe

Modifies data under HKEY_USERS 1 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	2024-12-18_82b7871b9138ee91a4b4431623045501_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-12-18_82b7871b9138ee91a4b4431623045501_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-12-18_82b7871b9138ee91a4b4431623045501_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:764
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:1172

C:\Users\Admin\AppData\Local\Temp\2024-12-18_82b7871b9138ee91a4b4431623045501_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-12-18_82b7871b9138ee91a4b4431623045501_wannacry.exe -m security
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:3064

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
00313b6e050dc746409f65b436f124f7

SHA1
c9829dd4ba7b9345c20bcedcf15ee8c06c175b5f

SHA256
aff620ca3dc5d3dfcf617f4364898d34306329eabf5fa2ca4ec4eb735dfd1ad0

SHA512
cc519283b254157a3632bf4f5a3098205e9c2fae7a390c64d3fec1886f7f29134262707f14cc13e3607a0f95aaa5aff6eb6462960825dae335d1c2d1e5cb5fe4

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