wannacry | 3f7692fe81d0069acb1dee416aadd65552aa78938cc5ceb0d7a732f14527de69

Analysis

max time kernel
150s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20240704-en
resource tags

arch:x64arch:x86image:win10v2004-20240704-enlocale:en-usos:windows10-2004-x64system
submitted
09/07/2024, 07:04

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General

Target
2024-07-09_d849bfc953519cd76541dc6269ef96c2_wannacry.exe
Size 5.0MB
Sample240709-hv3rbstgph
SHA256 3f7692fe81d0069acb1dee416aadd65552aa78938cc5ceb0d7a732f14527de69
MD5 d849bfc953519cd76541dc6269ef96c2
SHA1 0eb5bdd954c209d5652461d6e7b22249cb38140a
SHA512 b77fdd3a8437f7cbb9f05bf503fce8fe39fb034f2a3e25a5ee9c94524a6d7dec69514e577d71a96b7decc86dbdb09eb4b25a394b99521ed6066539c8447c85ba
SSDEEP 12288:GebLgPlu+QhMbaIMu7L5NVErCA4z2g6rTcbckPU821UEVS87xY:XbLgddQhfdmMSirYbcMLE+
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 (3146) 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
468	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	2024-07-09_d849bfc953519cd76541dc6269ef96c2_wannacry.exe

Modifies data under HKEY_USERS 5 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-07-09_d849bfc953519cd76541dc6269ef96c2_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	2024-07-09_d849bfc953519cd76541dc6269ef96c2_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	2024-07-09_d849bfc953519cd76541dc6269ef96c2_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	2024-07-09_d849bfc953519cd76541dc6269ef96c2_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	2024-07-09_d849bfc953519cd76541dc6269ef96c2_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-07-09_d849bfc953519cd76541dc6269ef96c2_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-07-09_d849bfc953519cd76541dc6269ef96c2_wannacry.exe"
1⤵
- Drops file in Windows directory
PID:2664
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:468

C:\Users\Admin\AppData\Local\Temp\2024-07-09_d849bfc953519cd76541dc6269ef96c2_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-07-09_d849bfc953519cd76541dc6269ef96c2_wannacry.exe -m security
1⤵
- Modifies data under HKEY_USERS
PID:3752

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Network Service Discovery

T1046

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 97df363ac70bb9303ad5867daf511a814c39a468a7cea909c0755df84209a3b4
MD5 0c688f74fb71e3d51d97c35c5d1c1105
SHA1 121713aa2f1d48d40d25f9d527615e5832474892
SHA512 24d8c419a229fa2ba32103796aac8adc2e2a9b367203b4fcf65cf4822a03b6376182a5518b71c2b293b5cae4790f1c82ffdd853fbe55ffe34282be03ccc8ca37
SSDEEP 12288:nQhMbaIMu7L5NVErCA4z2g6rTcbckPU821UEVS87xY:nQhfdmMSirYbcMLE+
MD5 SHA1 SHA512 SSDEEP

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