wannacry | 5664b8e08c31a7e2dcb6a090215b65f5436aebe49d4afbead491b5ad0243e964

Analysis

max time kernel
150s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240419-en
resource tags

arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system
submitted
26/04/2024, 13:44

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General

Target

00e61ab5c13c15145d12e65f859d0ac0_JaffaCakes118.exe
Size

3.6MB
MD5

00e61ab5c13c15145d12e65f859d0ac0
SHA1

fbca1fb8bb57d9634ce958ba4221e74c548cac18
SHA256

5664b8e08c31a7e2dcb6a090215b65f5436aebe49d4afbead491b5ad0243e964
SHA512

78762149ce48094929afc262e714f71bfb0ed2dd7cc9ebdf49d8c2f925b1378da4923c06bb779a59b2ef8cf97e3d7f17f0683818adbd2972b0cdaee02cddffea
SSDEEP

98304:XDqPoBhz1aRxcSUDk36SAEdhvxWa9P593R8yAVp2:XDqPe1Cxcxk3ZAEUadzR8yc4

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (2669) 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
1132	tasksche.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\WINDOWS\tasksche.exe	00e61ab5c13c15145d12e65f859d0ac0_JaffaCakes118.exe

Modifies data under HKEY_USERS 5 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	00e61ab5c13c15145d12e65f859d0ac0_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	00e61ab5c13c15145d12e65f859d0ac0_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	00e61ab5c13c15145d12e65f859d0ac0_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	00e61ab5c13c15145d12e65f859d0ac0_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	00e61ab5c13c15145d12e65f859d0ac0_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\00e61ab5c13c15145d12e65f859d0ac0_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\00e61ab5c13c15145d12e65f859d0ac0_JaffaCakes118.exe"
1⤵
- Drops file in Windows directory
PID:4132
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:1132

C:\Users\Admin\AppData\Local\Temp\00e61ab5c13c15145d12e65f859d0ac0_JaffaCakes118.exe
C:\Users\Admin\AppData\Local\Temp\00e61ab5c13c15145d12e65f859d0ac0_JaffaCakes118.exe -m security
1⤵
- Modifies data under HKEY_USERS
PID:4592

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Network Service Discovery

T1046

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Windows\tasksche.exe

Filesize
3.4MB

MD5
a91911fc8117f96a839732d915ec0713

SHA1
64d7ece080daada008fc447e1972fdffbad03220

SHA256
14ca561629d21c811f309167d640c6dc2accd72b19c687c5b23449dd8c0fe5ac

SHA512
43c54406f9199e23c3ae4e04b457c956aff3a6b96fc726c4ed17890bc0be900e7b836c56350a250570c7bc2272600ba2d2a400cb0dc379c7bdb3365dcfca779a

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