wannacry | 0752c147b93fb4c1bfb8fcbb2fa10d51d6d39e2dda08d0b531f20ec875854a92

General

Target

2024-10-10_4d85f13ff14542b7f041e02af35a05d9_wannacry.exe
Size

3.6MB
MD5

4d85f13ff14542b7f041e02af35a05d9
SHA1

93988c5a2345029acb47e72151184a9499bdb06e
SHA256

0752c147b93fb4c1bfb8fcbb2fa10d51d6d39e2dda08d0b531f20ec875854a92
SHA512

8eddf1e6a1f5e537c2f15b20feb6c5dc8819d93b77f02a6ee82e2e409fc3111f27dfd5deba58787f265704136734db1ca82e6f4252b0afd1324ad7bc593b4184
SSDEEP

98304:ZDqPoBhz1aRxcSUDkA6SAEdhvxWa9C93R8yAVp2HI:ZDqPe1CxcxkAZAEUamR8yc4HI

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3169) 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
320	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	2024-10-10_4d85f13ff14542b7f041e02af35a05d9_wannacry.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\WINDOWS\tasksche.exe	2024-10-10_4d85f13ff14542b7f041e02af35a05d9_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	2024-10-10_4d85f13ff14542b7f041e02af35a05d9_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-10-10_4d85f13ff14542b7f041e02af35a05d9_wannacry.exe

Modifies data under HKEY_USERS 24 IoCs

description	ioc	Process
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-10-10_4d85f13ff14542b7f041e02af35a05d9_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-10-10_4d85f13ff14542b7f041e02af35a05d9_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{D693B6FF-DAF6-41EC-86A2-DDB952AEF3B1}\WpadDecision = "0"	2024-10-10_4d85f13ff14542b7f041e02af35a05d9_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\e2-1e-c8-33-1e-70\WpadDecisionReason = "1"	2024-10-10_4d85f13ff14542b7f041e02af35a05d9_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\e2-1e-c8-33-1e-70\WpadDecision = "0"	2024-10-10_4d85f13ff14542b7f041e02af35a05d9_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings	2024-10-10_4d85f13ff14542b7f041e02af35a05d9_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	2024-10-10_4d85f13ff14542b7f041e02af35a05d9_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{D693B6FF-DAF6-41EC-86A2-DDB952AEF3B1}\WpadNetworkName = "Network 3"	2024-10-10_4d85f13ff14542b7f041e02af35a05d9_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{D693B6FF-DAF6-41EC-86A2-DDB952AEF3B1}\WpadDecisionReason = "1"	2024-10-10_4d85f13ff14542b7f041e02af35a05d9_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{D693B6FF-DAF6-41EC-86A2-DDB952AEF3B1}\e2-1e-c8-33-1e-70	2024-10-10_4d85f13ff14542b7f041e02af35a05d9_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections	2024-10-10_4d85f13ff14542b7f041e02af35a05d9_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-10-10_4d85f13ff14542b7f041e02af35a05d9_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "0"	2024-10-10_4d85f13ff14542b7f041e02af35a05d9_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "1"	2024-10-10_4d85f13ff14542b7f041e02af35a05d9_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad	2024-10-10_4d85f13ff14542b7f041e02af35a05d9_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{D693B6FF-DAF6-41EC-86A2-DDB952AEF3B1}	2024-10-10_4d85f13ff14542b7f041e02af35a05d9_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\e2-1e-c8-33-1e-70\WpadDecisionTime = a075d709701bdb01	2024-10-10_4d85f13ff14542b7f041e02af35a05d9_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\e2-1e-c8-33-1e-70	2024-10-10_4d85f13ff14542b7f041e02af35a05d9_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	2024-10-10_4d85f13ff14542b7f041e02af35a05d9_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0"	2024-10-10_4d85f13ff14542b7f041e02af35a05d9_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	2024-10-10_4d85f13ff14542b7f041e02af35a05d9_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	2024-10-10_4d85f13ff14542b7f041e02af35a05d9_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f0196000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-10-10_4d85f13ff14542b7f041e02af35a05d9_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{D693B6FF-DAF6-41EC-86A2-DDB952AEF3B1}\WpadDecisionTime = a075d709701bdb01	2024-10-10_4d85f13ff14542b7f041e02af35a05d9_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-10-10_4d85f13ff14542b7f041e02af35a05d9_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-10-10_4d85f13ff14542b7f041e02af35a05d9_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:3032
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:320

C:\Users\Admin\AppData\Local\Temp\2024-10-10_4d85f13ff14542b7f041e02af35a05d9_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-10-10_4d85f13ff14542b7f041e02af35a05d9_wannacry.exe -m security
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:2416

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

Loading Replay Monitor...

Downloads

C:\Windows\tasksche.exe

Filesize
3.4MB

MD5
e11c972f9c565b12a4d2220d47483b82

SHA1
51cb4bf34488ce4f60a0f8696eab692ea9ed4cae

SHA256
ee85e2151059f52333bec7cc0f72cf24d8324aea64924263da5803c776879f61

SHA512
a13aeced6e82461e0ac9939ea602ef92a14e33cfe29374de750fd8d179b5db61b2adee29bdd5177fc6e0c4ec9a122e21f790ace1c4be224b60c71eb0f51bc843

Download Submit

Analysis

Sharing