wannacry | 9b9795ef4724bc2e4b1befc22ee229d5e02a2662c6884ebf32e834b1eb36e31f

Analysis

max time kernel
150s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20250129-en
resource tags

arch:x64arch:x86image:win10v2004-20250129-enlocale:en-usos:windows10-2004-x64system
submitted
05-02-2025 13:52

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General

Target

2025-02-05_6f5d1f3c4262113ee96da5394d72f28d_wannacry.exe
Size

5.0MB
MD5

6f5d1f3c4262113ee96da5394d72f28d
SHA1

deb09c808de17a6690dda6620184a91c9c858d94
SHA256

9b9795ef4724bc2e4b1befc22ee229d5e02a2662c6884ebf32e834b1eb36e31f
SHA512

36979e6691ab0303f49cf80d7f16c8b86c374b695ab9f8635d8a6060cb11b0223e6812ae02290f712b81a90a967ab3e687aaeb71872bce3b308ea514ab13bfeb
SSDEEP

98304:yDqPoBhzs6SAEdhvxWa9P593R8yAVp2H:yDqPesZAEUadzR8yc4H

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 (3214) 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
3636	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	2025-02-05_6f5d1f3c4262113ee96da5394d72f28d_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	2025-02-05_6f5d1f3c4262113ee96da5394d72f28d_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-02-05_6f5d1f3c4262113ee96da5394d72f28d_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\AutoDetect = "0"	2025-02-05_6f5d1f3c4262113ee96da5394d72f28d_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2025-02-05_6f5d1f3c4262113ee96da5394d72f28d_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	2025-02-05_6f5d1f3c4262113ee96da5394d72f28d_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	2025-02-05_6f5d1f3c4262113ee96da5394d72f28d_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	2025-02-05_6f5d1f3c4262113ee96da5394d72f28d_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2025-02-05_6f5d1f3c4262113ee96da5394d72f28d_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2025-02-05_6f5d1f3c4262113ee96da5394d72f28d_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:2176
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:3636

C:\Users\Admin\AppData\Local\Temp\2025-02-05_6f5d1f3c4262113ee96da5394d72f28d_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2025-02-05_6f5d1f3c4262113ee96da5394d72f28d_wannacry.exe -m security
1⤵
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:2280

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
7def342cb71106b28d54785f60206c4c

SHA1
b64f11457f3f11a0701d7fcb462060db309d703d

SHA256
7001994c9b71dc184dcbc72a9a15f0da430bd02521161d6172b217bab2440c9c

SHA512
5758a4d28bb11c52930243df4158bd6a935c97351b3e09d5b50c23757e2e0afab461198f4eaf70216d0084431ea8ab5912f1ce13fe9b83921d7f4caf9fe56b11

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