wannacry | 487f9118d89a988513c8217807e5b90a5e9ffd5d88a90eab567ec31e488808c2

Analysis

max time kernel
150s
max time network
150s
platform
windows7_x64
resource
win7-20241023-en
resource tags

arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
submitted
26/01/2025, 07:24

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General

Target

2025-01-26_0c6f18c1cb336e0e59adc8d88e2c616d_wannacry.exe
Size

3.6MB
MD5

0c6f18c1cb336e0e59adc8d88e2c616d
SHA1

9b34a972c2ffa7da640296954a8ba85edd491add
SHA256

487f9118d89a988513c8217807e5b90a5e9ffd5d88a90eab567ec31e488808c2
SHA512

77747a7b9e8148a95fda4676d1f6bca537d9b0e7a4e515c9a3a436936ed1d09701d7ae36fd83ae90bee0eccc1982a48bede6136bd0692721c7feb2a8693b471e
SSDEEP

12288:GwbLgPluxQhMbaIMu7L5NVErCA4z2g6rTcbckPU82900Ve7zw+K+DHeQYSU:VbLgdeQhfdmMSirYbcMNgef0QeQ

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 (3297) 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
2616	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	2025-01-26_0c6f18c1cb336e0e59adc8d88e2c616d_wannacry.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\WINDOWS\tasksche.exe	2025-01-26_0c6f18c1cb336e0e59adc8d88e2c616d_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	2025-01-26_0c6f18c1cb336e0e59adc8d88e2c616d_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-01-26_0c6f18c1cb336e0e59adc8d88e2c616d_wannacry.exe

Modifies data under HKEY_USERS 1 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	2025-01-26_0c6f18c1cb336e0e59adc8d88e2c616d_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2025-01-26_0c6f18c1cb336e0e59adc8d88e2c616d_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2025-01-26_0c6f18c1cb336e0e59adc8d88e2c616d_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:2580
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:2616

C:\Users\Admin\AppData\Local\Temp\2025-01-26_0c6f18c1cb336e0e59adc8d88e2c616d_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2025-01-26_0c6f18c1cb336e0e59adc8d88e2c616d_wannacry.exe -m security
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:2464

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
e27101913e1a2fd32c9398ae7420a2b4

SHA1
528f651e1fb69306bba47b2256b91b4ec9444762

SHA256
85d832ac558ea3ce9454a8dd42c24801c73ab35307f2feeef5b259fe0415c8c5

SHA512
da95882d6fe094981089eca8eda47ff2b0e642ac714bbf5005e73d47ff5ab11e26165f5475065a1b4722c024fb78ee08bd48fd98d96bef0730142a6d5be122f4

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