wannacry | aa2024e1e6e1e024f916cbb67c0f6bb5f17dc6a719cd1ffc4735e3ac1c1031b6

Analysis

max time kernel
150s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
13-06-2024 10:56

Target

a52d8bc24a91c730365f0cc974e13008_JaffaCakes118.exe
Size

3.6MB
MD5

a52d8bc24a91c730365f0cc974e13008
SHA1

d296048a22e14aa57688a439911c3309b982c0d1
SHA256

aa2024e1e6e1e024f916cbb67c0f6bb5f17dc6a719cd1ffc4735e3ac1c1031b6
SHA512

6cc576469c7261fa64bb5da101bd2ede6b599e4cf2ea4a836d62e3b458d57d7e44f56c1241450f61049d963954d059a855018837d261cf7329a257137bb33c2a
SSDEEP

98304:yDqPoBhz1aRxcSUDk36SAEdhvxWa9P5Zkvft6yAVp2HI:yDqPe1Cxcxk3ZAEUadY6yc4HI

Score

10^/10

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (2693) 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

1368 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:

a52d8bc24a91c730365f0cc974e13008_JaffaCakes118.exe

description ioc process

File created C:\WINDOWS\tasksche.exe a52d8bc24a91c730365f0cc974e13008_JaffaCakes118.exe

pid	process
1368	tasksche.exe

description	ioc	process
File created	C:\WINDOWS\tasksche.exe	a52d8bc24a91c730365f0cc974e13008_JaffaCakes118.exe

Modifies data under HKEY_USERS 5 IoCs

Processes:

a52d8bc24a91c730365f0cc974e13008_JaffaCakes118.exe

description	ioc	process
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	a52d8bc24a91c730365f0cc974e13008_JaffaCakes118.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	a52d8bc24a91c730365f0cc974e13008_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	a52d8bc24a91c730365f0cc974e13008_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	a52d8bc24a91c730365f0cc974e13008_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	a52d8bc24a91c730365f0cc974e13008_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\a52d8bc24a91c730365f0cc974e13008_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\a52d8bc24a91c730365f0cc974e13008_JaffaCakes118.exe"
1⤵
- Drops file in Windows directory
PID:4268

C:\WINDOWS\tasksche.exe
C:\WINDOWS\tasksche.exe /i
2⤵
- Executes dropped EXE
PID:1368

C:\Users\Admin\AppData\Local\Temp\a52d8bc24a91c730365f0cc974e13008_JaffaCakes118.exe
C:\Users\Admin\AppData\Local\Temp\a52d8bc24a91c730365f0cc974e13008_JaffaCakes118.exe -m security
1⤵
- Modifies data under HKEY_USERS
PID:4416

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
adef44f96d562b14e211fbaf4e895a6e

SHA1
3887507b84d476f20594fdb842f9ebfeed971608

SHA256
f59b2f12ed75bf4116d437cb1a8d428f4ec462ff52f0a6ff13124ed60c58255d

SHA512
696fdbaff499691e7627b392c314e9958641524cab29338724640938efbb4a01521031d87aab3311e8dd36ff2d309cab1c9aa3833c7fd7452c47801801798842

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