wannacry | 14f63d678f4aed27f7e7b66e6899c1c6923472e928f1a96fd46e80ebe5f7c891

Analysis

max time kernel
150s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
27-09-2024 17:14

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General

Target

2024-09-27_7fd08dd56d543dd9663421477d6bbb72_wannacry.exe
Size

3.6MB
MD5

7fd08dd56d543dd9663421477d6bbb72
SHA1

37260eff1a0712298234d2a4ee3f30947edd6494
SHA256

14f63d678f4aed27f7e7b66e6899c1c6923472e928f1a96fd46e80ebe5f7c891
SHA512

14d4768246b60446b9aa5d5b74c6659fa558f16588201b6bba39a598f873e5578255e14b28676e1045d06e8749209a45c1d69813555e1e908a37fdcdfbc018c9
SSDEEP

98304:yDqPoBhz1aRxcSUZk36SAEdhvxWa9P59NRVyAVp2HI:yDqPe1Cxc7k3ZAEUadZRVyc4HI

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3079) 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
1408	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	2024-09-27_7fd08dd56d543dd9663421477d6bbb72_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	2024-09-27_7fd08dd56d543dd9663421477d6bbb72_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-09-27_7fd08dd56d543dd9663421477d6bbb72_wannacry.exe

Modifies data under HKEY_USERS 5 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-09-27_7fd08dd56d543dd9663421477d6bbb72_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	2024-09-27_7fd08dd56d543dd9663421477d6bbb72_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	2024-09-27_7fd08dd56d543dd9663421477d6bbb72_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	2024-09-27_7fd08dd56d543dd9663421477d6bbb72_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	2024-09-27_7fd08dd56d543dd9663421477d6bbb72_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-09-27_7fd08dd56d543dd9663421477d6bbb72_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-09-27_7fd08dd56d543dd9663421477d6bbb72_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:2240
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:1408

C:\Users\Admin\AppData\Local\Temp\2024-09-27_7fd08dd56d543dd9663421477d6bbb72_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-09-27_7fd08dd56d543dd9663421477d6bbb72_wannacry.exe -m security
1⤵
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:4544

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
fc911e66e4d7f87f767635d941a7d839

SHA1
217f313fb54c0c51e7bfa77d80003e844c590107

SHA256
d80246bb63cdbbbcc75fbefe6a278374f398c2e1ff1a512936f603447dbcfa75

SHA512
30f2be67bac7347b41d1ae217a646041d94d522e26c6b44b0b49cc91eeb4d8022dca95170ee48973085cc43210dfaf9d09b6bf6abcf93318502977961d7770c4

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