wannacry | f549063e1c47466a04b358e90c4a219079022539b3d65c4f796c8474e831994b

Analysis

max time kernel
150s
max time network
150s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
28-09-2024 00:18

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General

Target

202409276c451c97435add16490e2cf87b95b182wannacry.exe
Size

3.6MB
MD5

6c451c97435add16490e2cf87b95b182
SHA1

6924cef359a76f5a0be3df988d105556388b0672
SHA256

f549063e1c47466a04b358e90c4a219079022539b3d65c4f796c8474e831994b
SHA512

53f6f1b47d963414468d8bae351ed2bc813bed09b658671f8854c3302f6f88962ca36884ea3acdb09d06ede6c7757a054b1edc392097288de0995cd148659d5e
SSDEEP

98304:Z8qPoBhz1aRxcSUDk36SAEdhvxWa9P593R8yA:Z8qPe1Cxcxk3ZAEUadzR8y

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3307) 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
2752	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	202409276c451c97435add16490e2cf87b95b182wannacry.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\WINDOWS\tasksche.exe	202409276c451c97435add16490e2cf87b95b182wannacry.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	202409276c451c97435add16490e2cf87b95b182wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	202409276c451c97435add16490e2cf87b95b182wannacry.exe

Modifies data under HKEY_USERS 1 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	202409276c451c97435add16490e2cf87b95b182wannacry.exe

C:\Users\Admin\AppData\Local\Temp\202409276c451c97435add16490e2cf87b95b182wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\202409276c451c97435add16490e2cf87b95b182wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:2432
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:2752

C:\Users\Admin\AppData\Local\Temp\202409276c451c97435add16490e2cf87b95b182wannacry.exe
C:\Users\Admin\AppData\Local\Temp\202409276c451c97435add16490e2cf87b95b182wannacry.exe -m security
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:2248

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
0ecdcda326466a915b7f37fa6f726c6e

SHA1
43070064e425aaec98f661789230e2b2ec5a940e

SHA256
e38aadb253b25f407fcbe3a68c629239965ff04b4f11b941fc1414c57f402e1f

SHA512
593f656c0c7cafb303b442ca77e73ae7678ba511ebff207afc4f0cfd6e37790a8910c26ac80eb42f0a89fdc71c1680c73b3d604535b6655798df9cd806494ae8

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