wannacry | 2440e22c72810d285306f7cbd386f476bfb67b60dd2f5d8e5ba44b0279e3b6a2

General

Target

2024-09-29_dab5be882a328c6d13589f410aebcfb7_wannacry.exe
Size

5.0MB
MD5

dab5be882a328c6d13589f410aebcfb7
SHA1

7a4b66e1bf15336114f58aa796fab159a1a7709c
SHA256

2440e22c72810d285306f7cbd386f476bfb67b60dd2f5d8e5ba44b0279e3b6a2
SHA512

ddbb7a6059b99e22ee9854d25df81a9a2b8e682bbabe38e094d942097aa57fc779d9f17e79bd9b3a19b5382a26ccf92b96a70f5cf9fec4eef88bd3320df0a24b
SSDEEP

98304:yDqPoBhz1aRxcSUDk36SAEdhvxWa9P593R:yDqPe1Cxcxk3ZAEUadzR

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3351) 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
2384	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 System32 directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\Temporary Internet Files\counters.dat	2024-09-29_dab5be882a328c6d13589f410aebcfb7_wannacry.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\WINDOWS\tasksche.exe	2024-09-29_dab5be882a328c6d13589f410aebcfb7_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_dab5be882a328c6d13589f410aebcfb7_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-09-29_dab5be882a328c6d13589f410aebcfb7_wannacry.exe

Modifies data under HKEY_USERS 24 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections	2024-09-29_dab5be882a328c6d13589f410aebcfb7_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-09-29_dab5be882a328c6d13589f410aebcfb7_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	2024-09-29_dab5be882a328c6d13589f410aebcfb7_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad	2024-09-29_dab5be882a328c6d13589f410aebcfb7_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{EA52F7A5-609B-40A0-BF6D-D8216E5CA486}\9a-39-c3-47-a6-62	2024-09-29_dab5be882a328c6d13589f410aebcfb7_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\9a-39-c3-47-a6-62\WpadDecisionReason = "1"	2024-09-29_dab5be882a328c6d13589f410aebcfb7_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	2024-09-29_dab5be882a328c6d13589f410aebcfb7_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings	2024-09-29_dab5be882a328c6d13589f410aebcfb7_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0"	2024-09-29_dab5be882a328c6d13589f410aebcfb7_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "0"	2024-09-29_dab5be882a328c6d13589f410aebcfb7_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{EA52F7A5-609B-40A0-BF6D-D8216E5CA486}\WpadDecisionTime = e0e288005612db01	2024-09-29_dab5be882a328c6d13589f410aebcfb7_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{EA52F7A5-609B-40A0-BF6D-D8216E5CA486}\WpadNetworkName = "Network 3"	2024-09-29_dab5be882a328c6d13589f410aebcfb7_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	2024-09-29_dab5be882a328c6d13589f410aebcfb7_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{EA52F7A5-609B-40A0-BF6D-D8216E5CA486}\WpadDecisionReason = "1"	2024-09-29_dab5be882a328c6d13589f410aebcfb7_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\9a-39-c3-47-a6-62	2024-09-29_dab5be882a328c6d13589f410aebcfb7_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\9a-39-c3-47-a6-62\WpadDecisionTime = e0e288005612db01	2024-09-29_dab5be882a328c6d13589f410aebcfb7_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\9a-39-c3-47-a6-62\WpadDecision = "0"	2024-09-29_dab5be882a328c6d13589f410aebcfb7_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{EA52F7A5-609B-40A0-BF6D-D8216E5CA486}\WpadDecision = "0"	2024-09-29_dab5be882a328c6d13589f410aebcfb7_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-09-29_dab5be882a328c6d13589f410aebcfb7_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-09-29_dab5be882a328c6d13589f410aebcfb7_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "1"	2024-09-29_dab5be882a328c6d13589f410aebcfb7_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	2024-09-29_dab5be882a328c6d13589f410aebcfb7_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f00da000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-09-29_dab5be882a328c6d13589f410aebcfb7_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{EA52F7A5-609B-40A0-BF6D-D8216E5CA486}	2024-09-29_dab5be882a328c6d13589f410aebcfb7_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-09-29_dab5be882a328c6d13589f410aebcfb7_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-09-29_dab5be882a328c6d13589f410aebcfb7_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:2460
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:2384

C:\Users\Admin\AppData\Local\Temp\2024-09-29_dab5be882a328c6d13589f410aebcfb7_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-09-29_dab5be882a328c6d13589f410aebcfb7_wannacry.exe -m security
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:1020

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Network Service Discovery

2

T1046

System Location Discovery

1

T1614

System Language Discovery

1

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
44c95951b354bbce622c4e775ff67fd2

SHA1
dade3058e9b2418938107085bcffd40ea7f1e0c4

SHA256
8cba8daf47502b81e0c4ba80ec497351f6d4548b956ce97c8adacbee954ece7b

SHA512
f62d0aaadd5974d17cfa840500c2e3385423a8e1f0c4c622a4aa33c3e41ae1f53795f2c7d76dc14be6fd8d891c42de5c20530826983646064af55f12dbbcab2a

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Analysis

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