wannacry | 69f702e9b704bca24a4f8fbc15b337da09cf64e7706a55f1650ab87b83b52123

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
27/07/2024, 10:51

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General

Target
2024-07-27_67a057b9d5dc93bb0503e76d3f2c05d5_wannacry.exe
Size 5.0MB
Sample240727-mxv7gswajn
SHA256 69f702e9b704bca24a4f8fbc15b337da09cf64e7706a55f1650ab87b83b52123
MD5 67a057b9d5dc93bb0503e76d3f2c05d5
SHA1 8c71e5ab6f8c3ecd397cfbea078131a580333b29
SHA512 31576c84749f6fc0a3f98f56eab710b070446cf49682ca03a55499c70d8bc8664c9320063c6162148e6b59341b704f3077623eb056f8861c0a977fed799c56f6
SSDEEP 98304:yDqPoBhz1aRxcSUDk36SAEdhvxWa9P51GJ7fOi0cFbyegt9UR6K6JcNHYPr:yDqPe1Cxcxk3ZAEUadcRuPr
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 (3140) 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
5108	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	2024-07-27_67a057b9d5dc93bb0503e76d3f2c05d5_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	2024-07-27_67a057b9d5dc93bb0503e76d3f2c05d5_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-07-27_67a057b9d5dc93bb0503e76d3f2c05d5_wannacry.exe

Modifies data under HKEY_USERS 5 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-07-27_67a057b9d5dc93bb0503e76d3f2c05d5_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	2024-07-27_67a057b9d5dc93bb0503e76d3f2c05d5_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	2024-07-27_67a057b9d5dc93bb0503e76d3f2c05d5_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	2024-07-27_67a057b9d5dc93bb0503e76d3f2c05d5_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	2024-07-27_67a057b9d5dc93bb0503e76d3f2c05d5_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-07-27_67a057b9d5dc93bb0503e76d3f2c05d5_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-07-27_67a057b9d5dc93bb0503e76d3f2c05d5_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:4092
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:5108

C:\Users\Admin\AppData\Local\Temp\2024-07-27_67a057b9d5dc93bb0503e76d3f2c05d5_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-07-27_67a057b9d5dc93bb0503e76d3f2c05d5_wannacry.exe -m security
1⤵
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:1724

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 d5252dbb15aa926eb52f6aef34e5e6806d0b5bd62cfb3daec96ab1a65f491626
MD5 9befd17a3c21a9cd9aaff7e88e71ed7d
SHA1 b186511c614fbbc47f6e27526cfa70b999e6e5bf
SHA512 dab7e9a7cd55f7d19509f71991ab03f9d9a0aa64b1d55d9f731df35fc855512f1d9230212b217f21bd5e7451b472c6c020e9865d09acd487b1e50691f122db55
SSDEEP 98304:QqPoBhz1aRxcSUDk36SAEdhvxWa9P51GJ7fOi0cFbyegt9UR6K6JcNHYPrD:QqPe1Cxcxk3ZAEUadcRuPrD
MD5 SHA1 SHA512 SSDEEP

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