wannacry | 88c726f5f1aaa2aa0b3e3414006d874b794ce1f19680b1d2e08f8289ee5a6835

Analysis

max time kernel
150s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
17-01-2025 12:52

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General

Target

2025-01-17_2ceb24afa6d55763092d09c55b7b9118_wannacry.exe
Size

5.0MB
MD5

2ceb24afa6d55763092d09c55b7b9118
SHA1

ca7cebd8d729d2944545042365983c0ee16fc45d
SHA256

88c726f5f1aaa2aa0b3e3414006d874b794ce1f19680b1d2e08f8289ee5a6835
SHA512

73f0d14f8a255b8f08a043177d362df4e9ee3df977a823a9c034d8ed592db3be470d92790e8ec6f4fcc0144ca76838f810e8ecc88082eefd80635da748bc8174
SSDEEP

12288:GvbLgPlu+QhMbaIMu7L5NVErCA4z2g6rTcbckPU82900Ve7zw+K+:2bLgddQhfdmMSirYbcMNgef0

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 (3302) 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
3908	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	2025-01-17_2ceb24afa6d55763092d09c55b7b9118_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	2025-01-17_2ceb24afa6d55763092d09c55b7b9118_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-01-17_2ceb24afa6d55763092d09c55b7b9118_wannacry.exe

Modifies data under HKEY_USERS 5 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2025-01-17_2ceb24afa6d55763092d09c55b7b9118_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	2025-01-17_2ceb24afa6d55763092d09c55b7b9118_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	2025-01-17_2ceb24afa6d55763092d09c55b7b9118_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	2025-01-17_2ceb24afa6d55763092d09c55b7b9118_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	2025-01-17_2ceb24afa6d55763092d09c55b7b9118_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2025-01-17_2ceb24afa6d55763092d09c55b7b9118_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2025-01-17_2ceb24afa6d55763092d09c55b7b9118_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:2628
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:3908

C:\Users\Admin\AppData\Local\Temp\2025-01-17_2ceb24afa6d55763092d09c55b7b9118_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2025-01-17_2ceb24afa6d55763092d09c55b7b9118_wannacry.exe -m security
1⤵
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:4692

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
70e2a2b3a0bd1e217b2f6039f9d411d8

SHA1
29fc4056c5a42901c473d8e5974104265e13868f

SHA256
97d5a88f68a9f74800f2c070fb1484ba1796e9cd31fe93824a8e2e39bc930291

SHA512
0cc2726f4f627cad46e6db2f0568bb823c56f37c3019533dd8b4fb3dc50407cef63621eec75a67e60401990a25de1932aba7dba21e8d7911545b4db9637d131d

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