wannacry | af409c38bf76fa5c2a63d85e197e78989d17a1eba622cb2125d95b29175fe921

Analysis

max time kernel
150s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
08-11-2024 15:43

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General

Target

2024-11-08_e8b4d6af6135bcd9ec18ba9ba03ad144_wannacry.exe
Size

3.6MB
MD5

e8b4d6af6135bcd9ec18ba9ba03ad144
SHA1

a822107296cea8606a1350586310ce356658a838
SHA256

af409c38bf76fa5c2a63d85e197e78989d17a1eba622cb2125d95b29175fe921
SHA512

3d82c812d5311089ee8f26c7129bd7ecf00b40a96c785beb748b392cf1b1a58aaa15082e93492e708120a2c3edc315842e89a71459e1988f36a61fbe719070ab
SSDEEP

49152:XnAQqMSPbcBVQej/1Y7wSY88toex6jHaeCng:XDqPoBhz1YyE

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Wannacry family
wannacry
Contacts a large (3239) 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
4292	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

description	ioc	Process
File created	C:\WINDOWS\tasksche.exe	2024-11-08_e8b4d6af6135bcd9ec18ba9ba03ad144_wannacry.exe

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-11-08_e8b4d6af6135bcd9ec18ba9ba03ad144_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-11-08_e8b4d6af6135bcd9ec18ba9ba03ad144_wannacry.exe

Modifies data under HKEY_USERS 5 IoCs

description	ioc	Process
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	2024-11-08_e8b4d6af6135bcd9ec18ba9ba03ad144_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	2024-11-08_e8b4d6af6135bcd9ec18ba9ba03ad144_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	2024-11-08_e8b4d6af6135bcd9ec18ba9ba03ad144_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	2024-11-08_e8b4d6af6135bcd9ec18ba9ba03ad144_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-11-08_e8b4d6af6135bcd9ec18ba9ba03ad144_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-11-08_e8b4d6af6135bcd9ec18ba9ba03ad144_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-11-08_e8b4d6af6135bcd9ec18ba9ba03ad144_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:4752
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:4292

C:\Users\Admin\AppData\Local\Temp\2024-11-08_e8b4d6af6135bcd9ec18ba9ba03ad144_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-11-08_e8b4d6af6135bcd9ec18ba9ba03ad144_wannacry.exe -m security
1⤵
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:3008

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Network Service Discovery

T1046

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Windows\tasksche.exe

Filesize
3.4MB

MD5
bd8662385111773beaa1b4789de7a3b8

SHA1
d781164038511413477c3620678faf610872e78b

SHA256
5800943be27fd096739f2478062b7326ca93ec0f192290c01c09f51597d81c05

SHA512
e7a113202f8c6b299b5cd22f1c7e92bf0a23d03d6cbd47ef9cc7dabb9e21205cc9d4ce702201deba03fb6c676f76bad0b5da3c157ea5ad9adf82585c898e85e2

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