wannacry | 4412dc1daffb2b4711a7cd244c04c15dce813bb3678e03500e20806bca94f87f

Analysis

max time kernel
150s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20250217-en
resource tags

arch:x64arch:x86image:win10v2004-20250217-enlocale:en-usos:windows10-2004-x64system
submitted
23/02/2025, 17:09

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General

Target

2025-02-23_7adec43110b1b69214ea9d8649d0f2fe_ramnit_wannacry.exe
Size

5.0MB
MD5

7adec43110b1b69214ea9d8649d0f2fe
SHA1

c7035c202945d143b04afb175f9dd2b231443c7e
SHA256

4412dc1daffb2b4711a7cd244c04c15dce813bb3678e03500e20806bca94f87f
SHA512

98a3acc6d913c1dd0e9e5d469d8c172d931bfbbb0852d51971a560a5a4029a01f2d0e864579c5f50f198a03d10cb17c587b4bf196fe5fbe79f26e84a3153cc08
SSDEEP

49152:XnAQqMBtgCIPUmC2rkdJh6qNIINWPp2cxHHPv1cnkhAMEcaEau3R8yAH1plAH:XDqErPen3GA593R8yAVp2H

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 (3331) 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
1908	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	2025-02-23_7adec43110b1b69214ea9d8649d0f2fe_ramnit_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	2025-02-23_7adec43110b1b69214ea9d8649d0f2fe_ramnit_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-02-23_7adec43110b1b69214ea9d8649d0f2fe_ramnit_wannacry.exe

Modifies data under HKEY_USERS 5 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2025-02-23_7adec43110b1b69214ea9d8649d0f2fe_ramnit_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	2025-02-23_7adec43110b1b69214ea9d8649d0f2fe_ramnit_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	2025-02-23_7adec43110b1b69214ea9d8649d0f2fe_ramnit_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	2025-02-23_7adec43110b1b69214ea9d8649d0f2fe_ramnit_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	2025-02-23_7adec43110b1b69214ea9d8649d0f2fe_ramnit_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2025-02-23_7adec43110b1b69214ea9d8649d0f2fe_ramnit_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2025-02-23_7adec43110b1b69214ea9d8649d0f2fe_ramnit_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:1424
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:1908

C:\Users\Admin\AppData\Local\Temp\2025-02-23_7adec43110b1b69214ea9d8649d0f2fe_ramnit_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2025-02-23_7adec43110b1b69214ea9d8649d0f2fe_ramnit_wannacry.exe -m security
1⤵
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:1268

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
f495c0dbc9c8a58675b3b8843282bb80

SHA1
59e03d1b7becb21fbdf43e980a68c2b33b59d250

SHA256
0f0d0e54c33def51a1f025aeabbb7b902eceb490de0fea92729260dfc20aa227

SHA512
32e3fa22d5f3aeed26611c728910b4fc040526a0851e72f85941981ba2f2d2e7d77230b8c14cdc15dc1544b573705f6a311809d061ad8b8a582a3f443defa6e9

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