wannacry | 3f48a8d80cc55a1fbe9a210b60b07f3677b736b8a02d5408697d9df54a276776

Analysis

max time kernel
150s
max time network
156s
platform
windows10-2004_x64
resource
win10v2004-20240709-en
resource tags

arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
submitted
25/07/2024, 00:01

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General

Target
LisectAVT_2403002A_26.exe
Size 3.6MB
Sample240725-aax2caycle
SHA256 3f48a8d80cc55a1fbe9a210b60b07f3677b736b8a02d5408697d9df54a276776
MD5 eb4f4c455604f0f1ce111fbefecd9e21
SHA1 0a31ea9a024ecf6536283e1eda1f48458b10cbed
SHA512 e73c0fd6bf49a94ab6b1f02fe52fb86fee8040a1c4ff61d555ea5cbde6769b84c8b3ae911f3897f90f9d0a68124410938b65c604e3176bad208d9eb43b2a3acb
SSDEEP 98304:y763opJtK5ZcSUDcn6SAcdZvxWa9P593:y763atKZcxcnZAcMadz
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3306) 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
2912	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	LisectAVT_2403002A_26.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	LisectAVT_2403002A_26.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	LisectAVT_2403002A_26.exe

Modifies data under HKEY_USERS 5 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	LisectAVT_2403002A_26.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	LisectAVT_2403002A_26.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	LisectAVT_2403002A_26.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	LisectAVT_2403002A_26.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	LisectAVT_2403002A_26.exe

C:\Users\Admin\AppData\Local\Temp\LisectAVT_2403002A_26.exe
"C:\Users\Admin\AppData\Local\Temp\LisectAVT_2403002A_26.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:4008
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:2912

C:\Users\Admin\AppData\Local\Temp\LisectAVT_2403002A_26.exe
C:\Users\Admin\AppData\Local\Temp\LisectAVT_2403002A_26.exe -m security
1⤵
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:4184

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

tasksche.exe

Path C:\Windows\tasksche.exe
Size 3.4MB
SHA256 891fa5f91382fd21322df4b0137f6c865d96fe376c88f6849592cd4942254520
MD5 3df2667ef94776eeb272a1404801f118
SHA1 0741698e6d3460284494b239bf6bac7d9e0d3a99
SHA512 705921a25f6245e553358517a98996def0dcc878037f73bd332ee6ddd56cb208948b45a00ce42fbd94972e99a8959f44458dcf3669ac798625bfaec8fdaf6dc6
SSDEEP 49152:nQ6MaPbcpVACtQF5Z+TSqTdX1HcQY6SAw5dZnvxJM0H9PAMEcaEau3K:Q63opJtK5ZcSUDcn6SAcdZvxWa9P593K
MD5 SHA1 SHA512 SSDEEP

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