wannacry | dae9f37bfb8fbaae3aea7ad748ae8412394f0403bdc0cdcfb7bf13c0cbd4afe4

Analysis

max time kernel
150s
max time network
151s
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 09:44

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General

Target

2024-09-29_7f318a253467f6ddb7fe41c12aec56bb_wannacry.exe
Size

5.0MB
MD5

7f318a253467f6ddb7fe41c12aec56bb
SHA1

74d43173e212fe34ab02b6f836b4ef0d066e59de
SHA256

dae9f37bfb8fbaae3aea7ad748ae8412394f0403bdc0cdcfb7bf13c0cbd4afe4
SHA512

73c2107c545e4494478e4bceccd9e3b06519a7b506aa8a1702c9c26621010182ff2a1cca9ff8ccb036e7b982a554aa37e0a31a6a05173b647c49277706fec190
SSDEEP

24576:2bLgddQhfdmMSirYbcMNgef0ktLFIv9N6ZGa:2nAQqMSPbcBV0BIv9N64a

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3363) 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
4532	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_7f318a253467f6ddb7fe41c12aec56bb_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_7f318a253467f6ddb7fe41c12aec56bb_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-09-29_7f318a253467f6ddb7fe41c12aec56bb_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_7f318a253467f6ddb7fe41c12aec56bb_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	2024-09-29_7f318a253467f6ddb7fe41c12aec56bb_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	2024-09-29_7f318a253467f6ddb7fe41c12aec56bb_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	2024-09-29_7f318a253467f6ddb7fe41c12aec56bb_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	2024-09-29_7f318a253467f6ddb7fe41c12aec56bb_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-09-29_7f318a253467f6ddb7fe41c12aec56bb_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-09-29_7f318a253467f6ddb7fe41c12aec56bb_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:3932
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:4532

C:\Users\Admin\AppData\Local\Temp\2024-09-29_7f318a253467f6ddb7fe41c12aec56bb_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-09-29_7f318a253467f6ddb7fe41c12aec56bb_wannacry.exe -m security
1⤵
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:1232

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
3dcde708cf94ba08942a6e09e4a92991

SHA1
01df71f4c25e5e00b78c91edd2ef31f16336709f

SHA256
d459107fc3c618c056ef655c72c71e06a2cb35b0717a8f25a3c336f98e09326e

SHA512
78459a519b23bdbe2ddb24533470ac38e062c46d24adcbab2b887ee8626887d5f2a8501a008dbacc836604a601371bb71869543f65ec283dcd9de20fc4f11e90

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