wannacry | c826dc6e834d1dbe25e479108f3e0d68e89ac2e9880a7385367eed0306723b44

Analysis

max time kernel
150s
max time network
155s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
03-06-2024 00:39

Target

8ffc12b09142c1236f11cbe1b0ff6add_JaffaCakes118.exe
Size

3.6MB
MD5

8ffc12b09142c1236f11cbe1b0ff6add
SHA1

2ab8922ea16500ce858210dc5f5af6038e0d1892
SHA256

c826dc6e834d1dbe25e479108f3e0d68e89ac2e9880a7385367eed0306723b44
SHA512

acd72190cbc05385aab17ae76b0ff615d60ea28435bd3cbe2ff82c039afde32a5daec0ddb9f7949d9d3bd5478e00ba023c10370e5b0640cd44065dafc76df98e
SSDEEP

24576:2bLgddQhfdmMSirYbcMNgef0QeQjG/D8kIqRYoAdNLK6:2nAQqMSPbcBVQej/1INV

Score

10^/10

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3217) 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

5108 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:

8ffc12b09142c1236f11cbe1b0ff6add_JaffaCakes118.exe

description ioc process

File created C:\WINDOWS\tasksche.exe 8ffc12b09142c1236f11cbe1b0ff6add_JaffaCakes118.exe

pid	process
5108	tasksche.exe

description	ioc	process
File created	C:\WINDOWS\tasksche.exe	8ffc12b09142c1236f11cbe1b0ff6add_JaffaCakes118.exe

Modifies data under HKEY_USERS 5 IoCs

Processes:

8ffc12b09142c1236f11cbe1b0ff6add_JaffaCakes118.exe

description	ioc	process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	8ffc12b09142c1236f11cbe1b0ff6add_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	8ffc12b09142c1236f11cbe1b0ff6add_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	8ffc12b09142c1236f11cbe1b0ff6add_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	8ffc12b09142c1236f11cbe1b0ff6add_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	8ffc12b09142c1236f11cbe1b0ff6add_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\8ffc12b09142c1236f11cbe1b0ff6add_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\8ffc12b09142c1236f11cbe1b0ff6add_JaffaCakes118.exe"
1⤵
- Drops file in Windows directory
PID:1712

C:\WINDOWS\tasksche.exe
C:\WINDOWS\tasksche.exe /i
2⤵
- Executes dropped EXE
PID:5108

C:\Users\Admin\AppData\Local\Temp\8ffc12b09142c1236f11cbe1b0ff6add_JaffaCakes118.exe
C:\Users\Admin\AppData\Local\Temp\8ffc12b09142c1236f11cbe1b0ff6add_JaffaCakes118.exe -m security
1⤵
- Modifies data under HKEY_USERS
PID:2024

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --field-trial-handle=2860,i,2607710392823067546,4648797561512801463,262144 --variations-seed-version --mojo-platform-channel-handle=4012 /prefetch:8
1⤵
PID:4052

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
ef32dbee908b3367a33fbeea066d2610

SHA1
de2d3999c2fd9990f40f112a4fb071eb0f63bb2d

SHA256
d1d9b13401981b7e0ae49afaf7659350cd16167dc4191aa556e9bc2f40a3d4f8

SHA512
1c391cdda7a59efcdef67bc76b0fdd6a4bda56e3cf848c976bcb975dca705585c41302b49cd7daa0a41d33c605190b91ee6ab019d539ced36b92882420638a11

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