wannacry | cd16d548bc88bf98ed238358f6e80197b7fd01d67ffd1421a7d4227d5cb5b53b

Resubmissions

28-01-2025 12:33

250128-prkjxa1qem 10

27-01-2025 06:38

250127-hecj7swkdz 10

Analysis

max time kernel
150s
max time network
150s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
27-01-2025 06:38

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General

Target

2025-01-27_7b9122e0ca91c9be6abbb94cd05b0237_wannacry.exe
Size

3.6MB
MD5

7b9122e0ca91c9be6abbb94cd05b0237
SHA1

c59dc99f621c5ffd91d3803d1e409d3dda533242
SHA256

cd16d548bc88bf98ed238358f6e80197b7fd01d67ffd1421a7d4227d5cb5b53b
SHA512

03b28bfff2ad0ccf6ad42a49d6b5aff89ed42404df471fa9b5f1870e263e5139a22cd3392b93efcf69e151c269c26f3271103f7e2d43432d6576923ce363bd6b
SSDEEP

49152:VnjQqMSPbcBVQej/VINRx+TSqTdd1HkQo6SAARdhnvxJM0H9PAMEcaEaRHADJ:Z8qPoBhzVaRxcSUZk36SAEdhvxWa9P5D

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 (3157) 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
2036	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	2025-01-27_7b9122e0ca91c9be6abbb94cd05b0237_wannacry.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\WINDOWS\tasksche.exe	2025-01-27_7b9122e0ca91c9be6abbb94cd05b0237_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	2025-01-27_7b9122e0ca91c9be6abbb94cd05b0237_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-01-27_7b9122e0ca91c9be6abbb94cd05b0237_wannacry.exe

Modifies data under HKEY_USERS 1 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	2025-01-27_7b9122e0ca91c9be6abbb94cd05b0237_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2025-01-27_7b9122e0ca91c9be6abbb94cd05b0237_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2025-01-27_7b9122e0ca91c9be6abbb94cd05b0237_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:2912
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:2036

C:\Users\Admin\AppData\Local\Temp\2025-01-27_7b9122e0ca91c9be6abbb94cd05b0237_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2025-01-27_7b9122e0ca91c9be6abbb94cd05b0237_wannacry.exe -m security
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:3036

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
6b7899e7400a50734905003f18ed39cd

SHA1
454877264f0a94864c0ea15ad27dbf2dd494ea6a

SHA256
ecdc087989d42da504e62d3c0ae00540d77c1997946d7d7b0d4cf5eb07abd3ec

SHA512
9c0968f88ffad15d5d79b0feb4087f3ae68669d4fea99e0132404742eb9d9d94212d34b69235d05562d3604674a4cbd0e6cd284128621603d86e09726acfc74a

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