wannacry | 0e678cdb82e5f69f6116cf47cc452ff27a250b00780771c3a362d1a6504f990d

Analysis

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

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
30-08-2024 05:49

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General

Target

ca4c3e4533934bc68a775d0938da965c_JaffaCakes118.exe
Size

3.6MB
MD5

ca4c3e4533934bc68a775d0938da965c
SHA1

6fb18588180fd96ea619a0cb03346fd0fe3ea775
SHA256

0e678cdb82e5f69f6116cf47cc452ff27a250b00780771c3a362d1a6504f990d
SHA512

6c24a5dca921eabfb7b464444afa5663991679eadb2916739e95ee3a545610ea35453929db56732bff66a6b8c088d95704c1d9e925169dd51324759999fdc0dd
SSDEEP

49152:2nAQqMSPbcBVQej/1INRx+TSqTdX1HkQo6SAAbMZuxbXZROAxf:yDqPoBhz1aRxcSUDk36SAiMZiJf

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3353) 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
1852	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	ca4c3e4533934bc68a775d0938da965c_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	ca4c3e4533934bc68a775d0938da965c_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ca4c3e4533934bc68a775d0938da965c_JaffaCakes118.exe

Modifies data under HKEY_USERS 5 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	ca4c3e4533934bc68a775d0938da965c_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	ca4c3e4533934bc68a775d0938da965c_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	ca4c3e4533934bc68a775d0938da965c_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	ca4c3e4533934bc68a775d0938da965c_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	ca4c3e4533934bc68a775d0938da965c_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\ca4c3e4533934bc68a775d0938da965c_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\ca4c3e4533934bc68a775d0938da965c_JaffaCakes118.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:2756
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:1852

C:\Users\Admin\AppData\Local\Temp\ca4c3e4533934bc68a775d0938da965c_JaffaCakes118.exe
C:\Users\Admin\AppData\Local\Temp\ca4c3e4533934bc68a775d0938da965c_JaffaCakes118.exe -m security
1⤵
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:1004

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
00967080ef722a9e344e05e6d75618a1

SHA1
843b13e7c578409fa1ebb9605947241848fbe6ac

SHA256
49c701ce5acf8ec4539ec5b6ca2f875b52a230b46c2a6e925975ffbe8342983f

SHA512
a246419e168b54da0dd8cfa5cd45ac57a9aeb9904f722440bf7a0bd3529dbbd1ab65753ebd889229bffce5dc99e7ef953505fd81cf67a8458732f39b648b66c7

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