wannacry | f426e423a2808e4472fe28beba0bddd3cddf98efdedd3ee647917124dd646395

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
02-12-2024 12:26

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General

Target

2024-12-02_1947b2ebd013606eb9ebf0912b550f57_wannacry.exe
Size

5.0MB
MD5

1947b2ebd013606eb9ebf0912b550f57
SHA1

88c75c33491522f0edcc1d4de847b35f2635bdfe
SHA256

f426e423a2808e4472fe28beba0bddd3cddf98efdedd3ee647917124dd646395
SHA512

adc9159592af5f7ff636d2a0a7492e8fc0e11f19c0e606cf74b344c268c28f2a767fbf88a6e86d4185d752f1296ee2bd75e7d62e1324685036a0741f7d63d6b6
SSDEEP

12288:GwbLgPluxQhMbaIMu7L5NVErCA4z2g6rTcbckPU82900Ve7zw+K+DHeQYSUj: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 (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
1912	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	2024-12-02_1947b2ebd013606eb9ebf0912b550f57_wannacry.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\WINDOWS\tasksche.exe	2024-12-02_1947b2ebd013606eb9ebf0912b550f57_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	2024-12-02_1947b2ebd013606eb9ebf0912b550f57_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-12-02_1947b2ebd013606eb9ebf0912b550f57_wannacry.exe

Modifies data under HKEY_USERS 1 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	2024-12-02_1947b2ebd013606eb9ebf0912b550f57_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-12-02_1947b2ebd013606eb9ebf0912b550f57_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-12-02_1947b2ebd013606eb9ebf0912b550f57_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:2336
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:1912

C:\Users\Admin\AppData\Local\Temp\2024-12-02_1947b2ebd013606eb9ebf0912b550f57_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-12-02_1947b2ebd013606eb9ebf0912b550f57_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
14f6c264ce1e429f6d4d7c837fd9e60f

SHA1
802d391b85913855fffb88733879706da23cb249

SHA256
ae13b03e2f77e2339c7b22cd23a603013010b4e896339b4606c10fa3045d4baf

SHA512
3654fb6a5e7be9e876b2db96c982ea8517ab976db8e6b8e271a03acffcc06ae811a6ace4d75b7d9cdecb9c4fbc9196970b39b93a1c691d4a6edea3a5694cbfc7

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