wannacry | 8bcc0834690b70a9f2e41ad0938d775b5ee01f35bd8fd96fb9c8711e25016cd0

Analysis

max time kernel
150s
max time network
153s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
13-02-2025 23:19

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General

Target

2025-02-13_47a747b8fc6203d124d7561e34844210_wannacry.exe
Size

5.0MB
MD5

47a747b8fc6203d124d7561e34844210
SHA1

11ff25ecd585fee1131bf771a132e4ebe5537d2e
SHA256

8bcc0834690b70a9f2e41ad0938d775b5ee01f35bd8fd96fb9c8711e25016cd0
SHA512

de1b5f28ec65b6b56512fce6bafc6f98500486c731e3199b973b9591a249870e24c851a67592ca28ef262108f7c12db590f52faf6be75312e9985da78837227b
SSDEEP

6144:GE9l9yNqIYVTH5DgSg8ajldktM0XXrs2QhMV9qbBLIwYQuy8DLq1eNVDvMrHC+V2:GwbLgPluxQhMbaIMu7L5NVErCA4z/

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 (3239) 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
2808	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 System32 directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\Temporary Internet Files\counters.dat	2025-02-13_47a747b8fc6203d124d7561e34844210_wannacry.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\WINDOWS\tasksche.exe	2025-02-13_47a747b8fc6203d124d7561e34844210_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	2025-02-13_47a747b8fc6203d124d7561e34844210_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-02-13_47a747b8fc6203d124d7561e34844210_wannacry.exe

Modifies data under HKEY_USERS 1 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	2025-02-13_47a747b8fc6203d124d7561e34844210_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2025-02-13_47a747b8fc6203d124d7561e34844210_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2025-02-13_47a747b8fc6203d124d7561e34844210_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:2668
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:2808

C:\Users\Admin\AppData\Local\Temp\2025-02-13_47a747b8fc6203d124d7561e34844210_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2025-02-13_47a747b8fc6203d124d7561e34844210_wannacry.exe -m security
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:2796

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
c2731bf203ef3fdecbede8359c9d22a5

SHA1
6e042273ab4b1b4ac1bb55bf3b0309f947cfb853

SHA256
ee9af73803af89c52235382669e3c2b7ba87057ae4345b03a6049a8eddf431f2

SHA512
e1236d6a9bf6f64ac6de2eea3ad5603aaaa324295f0e95b2100303551dd947063d135ab9fcb2113903f2cec6c82d8e52606f85e64c6404cee5181f8016c41586

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