wannacry | 2d4406079057cb7ad0e122bbcb2f2d6f0109cda01252040e2f67522faf4cc9c9

General

Target

2024-12-19_9415d12c5cee666928d083f7ff1d3649_wannacry.exe
Size

3.6MB
MD5

9415d12c5cee666928d083f7ff1d3649
SHA1

08feccaa4c110b0bab273a2ddff91c69fc348d30
SHA256

2d4406079057cb7ad0e122bbcb2f2d6f0109cda01252040e2f67522faf4cc9c9
SHA512

8de6e8b80985b29880586501be6bd69877c89e59a60cf5ae48e574bf05defdb8f44929083c489e523b033dcea4188ca7b99a1ef689d7add5ac6278a0deb8b952
SSDEEP

24576:2bLgddQhfdmMSirYbcMNgef0QeQPD8kIqRYoAdNLKz6626Ab4k+RdhAdmv1LJMfC:2nAQqMSPbcBVQeK1INR0RdhnvxJM0H9

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Wannacry family
wannacry
Contacts a large (3300) 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
2984	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	2024-12-19_9415d12c5cee666928d083f7ff1d3649_wannacry.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\WINDOWS\tasksche.exe	2024-12-19_9415d12c5cee666928d083f7ff1d3649_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	2024-12-19_9415d12c5cee666928d083f7ff1d3649_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-12-19_9415d12c5cee666928d083f7ff1d3649_wannacry.exe

Modifies data under HKEY_USERS 24 IoCs

description	ioc	Process
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "0"	2024-12-19_9415d12c5cee666928d083f7ff1d3649_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad	2024-12-19_9415d12c5cee666928d083f7ff1d3649_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f0125000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-12-19_9415d12c5cee666928d083f7ff1d3649_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{CB7F8597-7AEA-4992-9284-338F00D4AEB2}\WpadDecisionTime = 409031080d52db01	2024-12-19_9415d12c5cee666928d083f7ff1d3649_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{CB7F8597-7AEA-4992-9284-338F00D4AEB2}\WpadDecision = "0"	2024-12-19_9415d12c5cee666928d083f7ff1d3649_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\e6-0f-6b-52-b9-26	2024-12-19_9415d12c5cee666928d083f7ff1d3649_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-12-19_9415d12c5cee666928d083f7ff1d3649_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	2024-12-19_9415d12c5cee666928d083f7ff1d3649_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{CB7F8597-7AEA-4992-9284-338F00D4AEB2}	2024-12-19_9415d12c5cee666928d083f7ff1d3649_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{CB7F8597-7AEA-4992-9284-338F00D4AEB2}\WpadDecisionReason = "1"	2024-12-19_9415d12c5cee666928d083f7ff1d3649_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{CB7F8597-7AEA-4992-9284-338F00D4AEB2}\WpadNetworkName = "Network 3"	2024-12-19_9415d12c5cee666928d083f7ff1d3649_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\e6-0f-6b-52-b9-26\WpadDecisionReason = "1"	2024-12-19_9415d12c5cee666928d083f7ff1d3649_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\e6-0f-6b-52-b9-26\WpadDecisionTime = 409031080d52db01	2024-12-19_9415d12c5cee666928d083f7ff1d3649_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	2024-12-19_9415d12c5cee666928d083f7ff1d3649_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-12-19_9415d12c5cee666928d083f7ff1d3649_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "1"	2024-12-19_9415d12c5cee666928d083f7ff1d3649_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	2024-12-19_9415d12c5cee666928d083f7ff1d3649_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{CB7F8597-7AEA-4992-9284-338F00D4AEB2}\e6-0f-6b-52-b9-26	2024-12-19_9415d12c5cee666928d083f7ff1d3649_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections	2024-12-19_9415d12c5cee666928d083f7ff1d3649_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings	2024-12-19_9415d12c5cee666928d083f7ff1d3649_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0"	2024-12-19_9415d12c5cee666928d083f7ff1d3649_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	2024-12-19_9415d12c5cee666928d083f7ff1d3649_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\e6-0f-6b-52-b9-26\WpadDecision = "0"	2024-12-19_9415d12c5cee666928d083f7ff1d3649_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-12-19_9415d12c5cee666928d083f7ff1d3649_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-12-19_9415d12c5cee666928d083f7ff1d3649_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-12-19_9415d12c5cee666928d083f7ff1d3649_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:1464
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:2984

C:\Users\Admin\AppData\Local\Temp\2024-12-19_9415d12c5cee666928d083f7ff1d3649_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-12-19_9415d12c5cee666928d083f7ff1d3649_wannacry.exe -m security
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:2800

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

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Downloads

C:\Windows\tasksche.exe

Filesize
3.4MB

MD5
87bea472ed36c269d36cab3386214007

SHA1
12a48f8c5edc9e9abe0a84d115433134c36a8ebb

SHA256
325732c128293273df800b05ff71b5bf303241bc83e71170e1c7005598f58871

SHA512
6fc2a5b039e1b265a2d2fda6f4027a6f935aee9a91a616fb0295777bb72aa0bf5a7b7217285952552672b66e6f5482fb9182f63e3a75ba1c94bb5cfb38a083a4

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Analysis

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