wannacry | 30e6809016f411cd25fed048adef4ec4f728db6f75538518afd64c2dfc2dd0c4

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
15-09-2024 13:28

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General

Target

2024-09-15_29f56f075282ac454d41e8ccc86399de_wannacry.exe
Size

3.6MB
MD5

29f56f075282ac454d41e8ccc86399de
SHA1

3ef1c72d42409761378acd45eb9c7dac0924e1bb
SHA256

30e6809016f411cd25fed048adef4ec4f728db6f75538518afd64c2dfc2dd0c4
SHA512

31e49197e3ca6cefdcc4a2c993deb8aa8f1ca0f281aaec24dde6d819afb7478160011088cae612a84f1b0446c456f95ccbfcfce1afcec7af364d465cf3770720
SSDEEP

98304:yDqPoBhz1aRxcSUDk36SAEdhv259Uc/YFQ:yDqPe1Cxcxk3ZAEKvX

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3262) 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
3416	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	2024-09-15_29f56f075282ac454d41e8ccc86399de_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	2024-09-15_29f56f075282ac454d41e8ccc86399de_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-09-15_29f56f075282ac454d41e8ccc86399de_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"	2024-09-15_29f56f075282ac454d41e8ccc86399de_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	2024-09-15_29f56f075282ac454d41e8ccc86399de_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-09-15_29f56f075282ac454d41e8ccc86399de_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	2024-09-15_29f56f075282ac454d41e8ccc86399de_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	2024-09-15_29f56f075282ac454d41e8ccc86399de_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-09-15_29f56f075282ac454d41e8ccc86399de_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-09-15_29f56f075282ac454d41e8ccc86399de_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:4112
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:3416

C:\Users\Admin\AppData\Local\Temp\2024-09-15_29f56f075282ac454d41e8ccc86399de_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-09-15_29f56f075282ac454d41e8ccc86399de_wannacry.exe -m security
1⤵
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:3976

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

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Downloads

C:\Windows\tasksche.exe

Filesize
3.4MB

MD5
ca216b53faaeee16b697ff9f100213fc

SHA1
7e719c5bda20c30f7438ce5671f77b10e5778aa2

SHA256
1f604790cfbc1aa422cf97628487a2d045677cc16e65383f6e08da2c82a8b8e7

SHA512
7bac424375e2a34c0d9591560f3326c94af1757eb60a64440d808a7369f6a2962bd5fad0a4f0e8952b91006d58a6d21c1023a12045bf2224cea02d924c585bb2

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