wannacry | 9dd561359118dfd57c7b9ca084f2882ffe443d538624ea0d8d5167538a8e23d5

Analysis

max time kernel
150s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
13-09-2024 02:40

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General

Target

dd80f14b55dc5305c8f58eb3a51922be_JaffaCakes118.exe
Size

3.6MB
MD5

dd80f14b55dc5305c8f58eb3a51922be
SHA1

380ae68ce68fdbb4105520dd61436104190ac9f2
SHA256

9dd561359118dfd57c7b9ca084f2882ffe443d538624ea0d8d5167538a8e23d5
SHA512

b34b85695b633e861c8694941becdb8c637c57aa02965a3939781edc0a24d04bf2ab9908114b98ac39cae68194fe517e18f3183ac59a8a6b9e807793a5227f78
SSDEEP

24576:XbLgddQhfdmMSirYbcMNgef0q1LJMfcH9PO6LLuYAMEcpcL7nEaut/8u:XnAQqMSPbcBVqxJM0H9PAMEcaEau3

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3340) 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
3584	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 Windows directory 1 IoCs

description	ioc	Process
File created	C:\WINDOWS\tasksche.exe	dd80f14b55dc5305c8f58eb3a51922be_JaffaCakes118.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	dd80f14b55dc5305c8f58eb3a51922be_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	dd80f14b55dc5305c8f58eb3a51922be_JaffaCakes118.exe

Modifies data under HKEY_USERS 5 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	dd80f14b55dc5305c8f58eb3a51922be_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	dd80f14b55dc5305c8f58eb3a51922be_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	dd80f14b55dc5305c8f58eb3a51922be_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	dd80f14b55dc5305c8f58eb3a51922be_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	dd80f14b55dc5305c8f58eb3a51922be_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\dd80f14b55dc5305c8f58eb3a51922be_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\dd80f14b55dc5305c8f58eb3a51922be_JaffaCakes118.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:972
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:3584

C:\Users\Admin\AppData\Local\Temp\dd80f14b55dc5305c8f58eb3a51922be_JaffaCakes118.exe
C:\Users\Admin\AppData\Local\Temp\dd80f14b55dc5305c8f58eb3a51922be_JaffaCakes118.exe -m security
1⤵
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:768

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
95fcda0fa11098afeaa3324608a062da

SHA1
2d62ed4d629ade9d785409791a74189b7ae6d7cb

SHA256
d1d314a4eb49d6605d059080a1f5c2f0fc58e78d57b8e4bc825d1a625f799727

SHA512
a1148f3e0de33bd9a263336c33445a3ce83e5cbf7436e563522bb69e1cefe21d2ee93714f790b495325c16e70d9944b31e90317df974ff276ba0d798fcb50366

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