wannacry | 078cb3fce7008fcd3b4fd9adc5fab5bcd78d417754eaa43a4d36de3f6cac0ef9

Analysis

max time kernel
150s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
29-09-2024 09:53

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General

Target

2024-09-29_c1a70786817dc0b4209d5ed328e5f1e7_wannacry.exe
Size

5.0MB
MD5

c1a70786817dc0b4209d5ed328e5f1e7
SHA1

9f3f2fc6c09a5560a96d46707aa94ade5bc65fd8
SHA256

078cb3fce7008fcd3b4fd9adc5fab5bcd78d417754eaa43a4d36de3f6cac0ef9
SHA512

ffb00dac76d24157d236eff615756f5af342c522ec5ccef847e83307618d19092ad4637e96a4559805bc3ad0463b143e3a16f7804dd6ba5b1b4b74854901b2da
SSDEEP

49152:2nAQqMSPbcBV/+TSqTdX1HkQo6SAARdhnvxJM0H9PAMEcaEau3R8:yDqPoBNcSUDk36SAEdhvxWa9P593R8

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3210) 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
2840	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	2024-09-29_c1a70786817dc0b4209d5ed328e5f1e7_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	2024-09-29_c1a70786817dc0b4209d5ed328e5f1e7_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-09-29_c1a70786817dc0b4209d5ed328e5f1e7_wannacry.exe

Modifies data under HKEY_USERS 5 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-09-29_c1a70786817dc0b4209d5ed328e5f1e7_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	2024-09-29_c1a70786817dc0b4209d5ed328e5f1e7_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	2024-09-29_c1a70786817dc0b4209d5ed328e5f1e7_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	2024-09-29_c1a70786817dc0b4209d5ed328e5f1e7_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	2024-09-29_c1a70786817dc0b4209d5ed328e5f1e7_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-09-29_c1a70786817dc0b4209d5ed328e5f1e7_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-09-29_c1a70786817dc0b4209d5ed328e5f1e7_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:2320
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:2840

C:\Users\Admin\AppData\Local\Temp\2024-09-29_c1a70786817dc0b4209d5ed328e5f1e7_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-09-29_c1a70786817dc0b4209d5ed328e5f1e7_wannacry.exe -m security
1⤵
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:4100

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
9ef55989015a7a79f8b908b432a7be45

SHA1
ce2df40c8fdc6596ded4d73df4e40305d005953d

SHA256
b3d2493523c790fb80c76f9a77512984ef5073a21b13b9e994a14940d97136a5

SHA512
8b2c1aeec9d20db1c6d95da380535386ee3e3bf8b3eddefb4f30bf9fea5a1ad0754b9f6d757409377737f4a38cced3e97240819f1da00adee60b3c7ed8fbd946

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