wannacry | bb9e15db5be383dcab8d0bda6b91d8715f5edee1613288de2230682db688f8c1

Analysis

max time kernel
132s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240426-en
resource tags

arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
submitted
16-05-2024 17:50

Target

4c5127ec7ca2e22ef6df7b2a155b4d95_JaffaCakes118.exe
Size

3.6MB
MD5

4c5127ec7ca2e22ef6df7b2a155b4d95
SHA1

b02608398e1ef71e03016c87e0f8eaa73e37f6d7
SHA256

bb9e15db5be383dcab8d0bda6b91d8715f5edee1613288de2230682db688f8c1
SHA512

c4ca4dc8d7fca255ad639c6352475cf9b1d19a52247240ff343eb65a137128693c46863d440ae7c6e7b217021a3771504ddc938c4ac24e90848899e2c4207fd0
SSDEEP

98304:yDqPoBhz1aRxcSUDk36SAEdhvxWa9P50I:yDqPe1Cxcxk3ZAEUadOI

Score

10^/10

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3044) 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

Processes:

tasksche.exe

pid process

396 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

Processes:

4c5127ec7ca2e22ef6df7b2a155b4d95_JaffaCakes118.exe

description ioc process

File created C:\WINDOWS\tasksche.exe 4c5127ec7ca2e22ef6df7b2a155b4d95_JaffaCakes118.exe

pid	process
396	tasksche.exe

description	ioc	process
File created	C:\WINDOWS\tasksche.exe	4c5127ec7ca2e22ef6df7b2a155b4d95_JaffaCakes118.exe

Modifies data under HKEY_USERS 5 IoCs

Processes:

4c5127ec7ca2e22ef6df7b2a155b4d95_JaffaCakes118.exe

description	ioc	process
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	4c5127ec7ca2e22ef6df7b2a155b4d95_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	4c5127ec7ca2e22ef6df7b2a155b4d95_JaffaCakes118.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	4c5127ec7ca2e22ef6df7b2a155b4d95_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	4c5127ec7ca2e22ef6df7b2a155b4d95_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	4c5127ec7ca2e22ef6df7b2a155b4d95_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\4c5127ec7ca2e22ef6df7b2a155b4d95_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\4c5127ec7ca2e22ef6df7b2a155b4d95_JaffaCakes118.exe"
1⤵
- Drops file in Windows directory
PID:1584

C:\WINDOWS\tasksche.exe
C:\WINDOWS\tasksche.exe /i
2⤵
- Executes dropped EXE
PID:396

C:\Users\Admin\AppData\Local\Temp\4c5127ec7ca2e22ef6df7b2a155b4d95_JaffaCakes118.exe
C:\Users\Admin\AppData\Local\Temp\4c5127ec7ca2e22ef6df7b2a155b4d95_JaffaCakes118.exe -m security
1⤵
- Modifies data under HKEY_USERS
PID:4064

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Network Service Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

C:\Windows\tasksche.exe

Filesize
3.4MB

MD5
bd6cb00fde4114f8b00fff9378f2bdfe

SHA1
6d6a4abcf4bcf9dd1179e3f65900d7cf118cfba9

SHA256
1e03c6d77c48d1c301538c233b10017bdfccf1a8d81ee3d4b2ddba15a7a23603

SHA512
efe6a0510cdc8f5e532aa4607d80e198e3a88e4b2195a0be6d4736678f769a1879f67618025db2996bb5da22f98afdba5475cff12e74975c4eb9c160cf5d9e02

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