wannacry | b5b5f7250f80cdf78f18bbb2a83d6f96de80927b7dc0806fa6cb37bda4bb0b51

Analysis

max time kernel
150s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
25-03-2024 08:23

Target

2024-03-25_4ffb8cdcaa2ec8dccae14673264f97a4_wannacry.exe
Size

5.0MB
MD5

4ffb8cdcaa2ec8dccae14673264f97a4
SHA1

a74591dc65f7aa62d4b8df8bcca6771f5034cc3e
SHA256

b5b5f7250f80cdf78f18bbb2a83d6f96de80927b7dc0806fa6cb37bda4bb0b51
SHA512

bf6e4790c6b4ef9c3a16318783d7fb30f323ac9d2b60831c784289975ae904aae5f9a398264c89eaced2e4c55839275abdc82b9b6075ca26c0ba49f7f51a180e
SSDEEP

6144:GE9l9ynqIYVTH5DgSg8ajldktM0XXrP2QhMV9qbBLIwYQuy8DLq1eNV:GebLgPlu+QhMbaIMu7L5N

Score

10^/10

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3169) 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

2792 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:

2024-03-25_4ffb8cdcaa2ec8dccae14673264f97a4_wannacry.exe

description ioc process

File created C:\WINDOWS\tasksche.exe 2024-03-25_4ffb8cdcaa2ec8dccae14673264f97a4_wannacry.exe

pid	process
2792	tasksche.exe

description	ioc	process
File created	C:\WINDOWS\tasksche.exe	2024-03-25_4ffb8cdcaa2ec8dccae14673264f97a4_wannacry.exe

Modifies data under HKEY_USERS 5 IoCs

Processes:

2024-03-25_4ffb8cdcaa2ec8dccae14673264f97a4_wannacry.exe

description	ioc	process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-03-25_4ffb8cdcaa2ec8dccae14673264f97a4_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	2024-03-25_4ffb8cdcaa2ec8dccae14673264f97a4_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	2024-03-25_4ffb8cdcaa2ec8dccae14673264f97a4_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	2024-03-25_4ffb8cdcaa2ec8dccae14673264f97a4_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	2024-03-25_4ffb8cdcaa2ec8dccae14673264f97a4_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-03-25_4ffb8cdcaa2ec8dccae14673264f97a4_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-03-25_4ffb8cdcaa2ec8dccae14673264f97a4_wannacry.exe"
1⤵
- Drops file in Windows directory
PID:3152

C:\WINDOWS\tasksche.exe
C:\WINDOWS\tasksche.exe /i
2⤵
- Executes dropped EXE
PID:2792

C:\Users\Admin\AppData\Local\Temp\2024-03-25_4ffb8cdcaa2ec8dccae14673264f97a4_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-03-25_4ffb8cdcaa2ec8dccae14673264f97a4_wannacry.exe -m security
1⤵
- Modifies data under HKEY_USERS
PID:4300

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
014c8265bc9bae2652c64da157d88892

SHA1
0d780a424127b6b4cb078c2be9ec16356b43c3e7

SHA256
102553a19a3ce933ac3abd9ce6e8293c70468680199f36a00dac341a10d6b3a7

SHA512
9bc1ec02f9c472c9345f185bd82677b0cdba1abe2d92d91594f4e4126f38072609190328ee84776b22ca09424d8878e265e3b5d6cff340266bda7160f9ba69d4

Download Submit