wannacry | fb28e1be4d1830fbaf0af32987812fb154e630a2476d2c422ec55c93f1a6ab45

Analysis

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

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
30-09-2024 23:41

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General

Target

2024-09-30_2d199e67675969f290f383f68a16689f_wannacry.exe
Size

3.6MB
MD5

2d199e67675969f290f383f68a16689f
SHA1

7193b18922f9b1d9faa3d6f35775eb1bf1cb71ba
SHA256

fb28e1be4d1830fbaf0af32987812fb154e630a2476d2c422ec55c93f1a6ab45
SHA512

3bed0a7825b1de67b4a5beb2a01280db0447305e941435dadb33186f71dcd8f680cfccbcdf33db92e8fa13d4e13790502a637c8ddcd4c772cc2aa38b907c42b6
SSDEEP

98304:yDqPoBhyRxcSUDkLdhgWa9P593R8yAVp2HI:yDqPTxcxkLtadzR8yc4HI

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3187) 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
2080	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	2024-09-30_2d199e67675969f290f383f68a16689f_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	2024-09-30_2d199e67675969f290f383f68a16689f_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-09-30_2d199e67675969f290f383f68a16689f_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\UNCAsIntranet = "1"	2024-09-30_2d199e67675969f290f383f68a16689f_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	2024-09-30_2d199e67675969f290f383f68a16689f_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-09-30_2d199e67675969f290f383f68a16689f_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	2024-09-30_2d199e67675969f290f383f68a16689f_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	2024-09-30_2d199e67675969f290f383f68a16689f_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-09-30_2d199e67675969f290f383f68a16689f_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-09-30_2d199e67675969f290f383f68a16689f_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:4876
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:2080

C:\Users\Admin\AppData\Local\Temp\2024-09-30_2d199e67675969f290f383f68a16689f_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-09-30_2d199e67675969f290f383f68a16689f_wannacry.exe -m security
1⤵
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:4836

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
7d66de95a7171aaeec101380159301fe

SHA1
37f17e01de15e7b1295c971a7a2cb08af49ea34c

SHA256
54827f4391907da04dacc4091dd7fb6fb5e86e246b4ed059154b90601aac27c7

SHA512
c630676c15166ee09df13f6734157635a6712cc7621bf4f155259bef6839d955a9917c086f6453cd1688296ad0e48216a5bfb8d4b25366f4ef768d596a95bf73

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