wannacry | a1d10765cd724b4b3ada989592b04762fa85cb0135630501e746fabdd6ffddde

Analysis

max time kernel
150s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
09-09-2024 13:45

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General

Target

2024-09-09_63e400e99c647bbcf1b6e340ef13810a_wannacry.exe
Size

5.0MB
MD5

63e400e99c647bbcf1b6e340ef13810a
SHA1

8b5afdb07f76d643ecdb3df7545d2b73316532ce
SHA256

a1d10765cd724b4b3ada989592b04762fa85cb0135630501e746fabdd6ffddde
SHA512

593bc61df368cc4d350a002d02394c0c331d9d6d4ed72893f74e1211b9f8d94e05d4cd6e37308db9d52b9f38d91165449bfa7a5e69e7860e33194e15207e2762
SSDEEP

98304:yDqPoBhz1aRxcSUDk36SAEdhvxWa9P593R8yAVp2:yDqPe1Cxcxk3ZAEUadzR8yc4

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3362) 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
2144	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	2024-09-09_63e400e99c647bbcf1b6e340ef13810a_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	2024-09-09_63e400e99c647bbcf1b6e340ef13810a_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-09-09_63e400e99c647bbcf1b6e340ef13810a_wannacry.exe

Modifies data under HKEY_USERS 5 IoCs

description	ioc	Process
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	2024-09-09_63e400e99c647bbcf1b6e340ef13810a_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	2024-09-09_63e400e99c647bbcf1b6e340ef13810a_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	2024-09-09_63e400e99c647bbcf1b6e340ef13810a_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-09-09_63e400e99c647bbcf1b6e340ef13810a_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	2024-09-09_63e400e99c647bbcf1b6e340ef13810a_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-09-09_63e400e99c647bbcf1b6e340ef13810a_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-09-09_63e400e99c647bbcf1b6e340ef13810a_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:3864
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:2144

C:\Users\Admin\AppData\Local\Temp\2024-09-09_63e400e99c647bbcf1b6e340ef13810a_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-09-09_63e400e99c647bbcf1b6e340ef13810a_wannacry.exe -m security
1⤵
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:1768

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
ba8878e4f7f3af56dabd32740af1acc2

SHA1
f4bd54a2e2161952a8a9237247ee6246c3881a83

SHA256
f34ade051671f19aac1213b6aaad04d4a5a656044bab0494c6a5396e65391bbc

SHA512
07026d1530a23e02bc4b92936df5ef9b0806b7ff464dd180993d8578f1053dd4af2d551ac75ee7f5c6ca292d8be02f898bfc4b1ee8b7024b63d9fe0527a85126

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