wannacry | e097ebca7eac1ea885504f038ad768a1fa440557ae45d3f23b8e92673b9688bb

Analysis

max time kernel
162s
max time network
168s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
11/10/2022, 03:57

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General

Target
e097ebca7eac1ea885504f038ad768a1fa440557ae45d3f23b8e92673b9688bb.exe
Size 3.6MB
Sample221011-eh86ssdeb8
SHA256 e097ebca7eac1ea885504f038ad768a1fa440557ae45d3f23b8e92673b9688bb
MD5 cb5e2cdf03ff2c2603bd01d661a993fe
SHA1 0b82f726736b02320c94a9f662f5333b73223b3c
SHA512 1d9c16db5c8c01f5c17b57db9291ba5e0176ff3a1f2b02223f5be481a435e21f88b86fcba8adb3e1fa7efe023f7ac5979af0cf3a3692888ad488c1b3e357d7e6
SSDEEP 98304:yDqPoBhz1aRxcSUDk36SAEdhvX593R8yAVp2HI:yDqPe1Cxcxk3ZAErzR8yc4HI
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 (2877) amount of remote hosts 1 TTPs
This may indicate a network scan to discover remotely running services.
discovery

Network Service Scanning
T1046

Executes dropped EXE 1 IoCs

pid	Process
1496	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 Scanning
T1046

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\WINDOWS\tasksche.exe	e097ebca7eac1ea885504f038ad768a1fa440557ae45d3f23b8e92673b9688bb.exe

Modifies data under HKEY_USERS 5 IoCs

description	ioc	Process
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	e097ebca7eac1ea885504f038ad768a1fa440557ae45d3f23b8e92673b9688bb.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	e097ebca7eac1ea885504f038ad768a1fa440557ae45d3f23b8e92673b9688bb.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	e097ebca7eac1ea885504f038ad768a1fa440557ae45d3f23b8e92673b9688bb.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	e097ebca7eac1ea885504f038ad768a1fa440557ae45d3f23b8e92673b9688bb.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	e097ebca7eac1ea885504f038ad768a1fa440557ae45d3f23b8e92673b9688bb.exe

C:\Users\Admin\AppData\Local\Temp\e097ebca7eac1ea885504f038ad768a1fa440557ae45d3f23b8e92673b9688bb.exe
"C:\Users\Admin\AppData\Local\Temp\e097ebca7eac1ea885504f038ad768a1fa440557ae45d3f23b8e92673b9688bb.exe"
1⤵
- Drops file in Windows directory
PID:5008
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:1496

C:\Users\Admin\AppData\Local\Temp\e097ebca7eac1ea885504f038ad768a1fa440557ae45d3f23b8e92673b9688bb.exe
C:\Users\Admin\AppData\Local\Temp\e097ebca7eac1ea885504f038ad768a1fa440557ae45d3f23b8e92673b9688bb.exe -m security
1⤵
- Modifies data under HKEY_USERS
PID:1420

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Network Service Scanning

T1046

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

tasksche.exe

Path C:\Windows\tasksche.exe
Size 3.4MB
SHA256 3dd24cb0c8eda1e40a44ac92de5e1fed2977774a75462c2bbb1f89590f45e7c2
MD5 cc5d020e8b62e7270fe9a144634215b3
SHA1 c7a7317df6c7a5656d0935f88c7da319ca59103c
SHA512 ef228ac84cbea7509af94450059ea67102d3a6ba13ed96ed6b9a900f4738044f5ea888893283e0f4550661762442f7ae0a63e2f81b666771eeed1f45ac8760f2
SSDEEP 98304:QqPoBhz1aRxcSUDk36SAEdhvX593R8yAVp2Hj:QqPe1Cxcxk3ZAErzR8yc4Hj
MD5 SHA1 SHA512 SSDEEP

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