wannacry | 514544e1684c25779095d056d24c546466e57fa917bd6125bc41e57e1c12a5a6

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
24-08-2024 14:59

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General

Target

bed76392724158c77c8d7728282ce1f3_JaffaCakes118.exe
Size

3.6MB
MD5

bed76392724158c77c8d7728282ce1f3
SHA1

985d62b15711627ff871de1e6d605f1aafbfc932
SHA256

514544e1684c25779095d056d24c546466e57fa917bd6125bc41e57e1c12a5a6
SHA512

13d4ac2bf79dae27a63d5f88bc085c0cb69624f88ccd14cdd59cd111f7c734e981999e322292f3fa9f5c58990dc6eccafb664e3c80d4a416087dbd85bb724ba6
SSDEEP

12288:GvbLgPlu+QhMbaIMu7L5NVErCA4z2g6rTcbckPU82:2bLgddQhfdmMSirYbcM

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3254) 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
4268	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	bed76392724158c77c8d7728282ce1f3_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	bed76392724158c77c8d7728282ce1f3_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	bed76392724158c77c8d7728282ce1f3_JaffaCakes118.exe

Modifies data under HKEY_USERS 5 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	bed76392724158c77c8d7728282ce1f3_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	bed76392724158c77c8d7728282ce1f3_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	bed76392724158c77c8d7728282ce1f3_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	bed76392724158c77c8d7728282ce1f3_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	bed76392724158c77c8d7728282ce1f3_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\bed76392724158c77c8d7728282ce1f3_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\bed76392724158c77c8d7728282ce1f3_JaffaCakes118.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:2776
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:4268

C:\Users\Admin\AppData\Local\Temp\bed76392724158c77c8d7728282ce1f3_JaffaCakes118.exe
C:\Users\Admin\AppData\Local\Temp\bed76392724158c77c8d7728282ce1f3_JaffaCakes118.exe -m security
1⤵
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:1444

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
ccfd19ef9e2fca98300968622099d151

SHA1
0c443c0bb4f069a26db9fa78d6900740c4d884f3

SHA256
e083db3f1ef87ad8930588acf2a7246305978d51e638ea5180fffb744ed9b5e2

SHA512
44ac5051561631c72533c6d86dc155fd2a81388814f9cea85b23541990486be88759207b68016325a7ca0b9dd43f3eedd79c9dbb04d9a4e0d0481d05476e9e49

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