wannacry | 6142210328b2d25189f3100af8c18669b5736274d34eac1113d57815840678cc

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
25-08-2024 22:29

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General

Target

c1b90d186718c09e492c9ae8e01bc83d_JaffaCakes118.exe
Size

3.6MB
MD5

c1b90d186718c09e492c9ae8e01bc83d
SHA1

b1151406860eeb4b12a5711aadcf36c45d52b2a3
SHA256

6142210328b2d25189f3100af8c18669b5736274d34eac1113d57815840678cc
SHA512

14b26d6e3fc853e9cd9eae50ca547ca4206a0e6a5c799eb458594e329ed4066b71e368a9b9cefcaf3e022ee8101275fd4f3c620699dc10bae662b3f7b3d74169
SSDEEP

49152:2nAQqMSPbcBVQej/1INRx+TSqTdX1HkQo6SA:yDqPoBhz1aRxcSUDk36SA

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3250) 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
1964	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	c1b90d186718c09e492c9ae8e01bc83d_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	c1b90d186718c09e492c9ae8e01bc83d_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	c1b90d186718c09e492c9ae8e01bc83d_JaffaCakes118.exe

Modifies data under HKEY_USERS 5 IoCs

description	ioc	Process
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	c1b90d186718c09e492c9ae8e01bc83d_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	c1b90d186718c09e492c9ae8e01bc83d_JaffaCakes118.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	c1b90d186718c09e492c9ae8e01bc83d_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	c1b90d186718c09e492c9ae8e01bc83d_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	c1b90d186718c09e492c9ae8e01bc83d_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\c1b90d186718c09e492c9ae8e01bc83d_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\c1b90d186718c09e492c9ae8e01bc83d_JaffaCakes118.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:3292
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:1964

C:\Users\Admin\AppData\Local\Temp\c1b90d186718c09e492c9ae8e01bc83d_JaffaCakes118.exe
C:\Users\Admin\AppData\Local\Temp\c1b90d186718c09e492c9ae8e01bc83d_JaffaCakes118.exe -m security
1⤵
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:1940

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
67a42976c19c9a296a099aceb0396088

SHA1
0cd6aaa2a9dd21308e8c557d7b13870a627354fd

SHA256
bfe596b15905b66744ea471b3972b9915fcef02cf3301cb7504124ce661ef08b

SHA512
2b2ab45035005af604a2dce97a0bb86c863f35cf25984e9b11fe28b9ed08245c6598c3d8969432a564b940cf20ff83cb988d2f57ca4048ec4f11fb6b350f3222

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