wannacry | f34e284c982f60ebaa061d307769d0c74527a15413d3473ad1c965378627111e

General

Target

2024-07-22_2785fea5421d580fe9f1179a6524d664_wannacry.exe
Size

5.0MB
MD5

2785fea5421d580fe9f1179a6524d664
SHA1

a1d11e9d6246c5198a4d22e9b029bbf716c274b1
SHA256

f34e284c982f60ebaa061d307769d0c74527a15413d3473ad1c965378627111e
SHA512

9212c414814aacd98534d52627dd0b972e567c438f63229f389b882440ea9a185b024cac082c990dbed41ca930f4282a0c95cab93c887fd6b6d8d6b464799639
SSDEEP

98304:XDqPoBhz1axxcSUDk36SAEdhvxWa9P593R8:XDqPe1axcxk3ZAEUadzR8

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3258) 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
2804	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	2024-07-22_2785fea5421d580fe9f1179a6524d664_wannacry.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\WINDOWS\tasksche.exe	2024-07-22_2785fea5421d580fe9f1179a6524d664_wannacry.exe

Modifies data under HKEY_USERS 24 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad	2024-07-22_2785fea5421d580fe9f1179a6524d664_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{AC6AD7D6-C050-49DD-B151-655A68EF672E}	2024-07-22_2785fea5421d580fe9f1179a6524d664_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\d6-8b-db-76-a9-8e	2024-07-22_2785fea5421d580fe9f1179a6524d664_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-07-22_2785fea5421d580fe9f1179a6524d664_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-07-22_2785fea5421d580fe9f1179a6524d664_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-07-22_2785fea5421d580fe9f1179a6524d664_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "1"	2024-07-22_2785fea5421d580fe9f1179a6524d664_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	2024-07-22_2785fea5421d580fe9f1179a6524d664_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	2024-07-22_2785fea5421d580fe9f1179a6524d664_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{AC6AD7D6-C050-49DD-B151-655A68EF672E}\WpadDecisionReason = "1"	2024-07-22_2785fea5421d580fe9f1179a6524d664_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\d6-8b-db-76-a9-8e\WpadDecision = "0"	2024-07-22_2785fea5421d580fe9f1179a6524d664_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{AC6AD7D6-C050-49DD-B151-655A68EF672E}\WpadNetworkName = "Network 3"	2024-07-22_2785fea5421d580fe9f1179a6524d664_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\d6-8b-db-76-a9-8e\WpadDecisionReason = "1"	2024-07-22_2785fea5421d580fe9f1179a6524d664_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0"	2024-07-22_2785fea5421d580fe9f1179a6524d664_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "0"	2024-07-22_2785fea5421d580fe9f1179a6524d664_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	2024-07-22_2785fea5421d580fe9f1179a6524d664_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	2024-07-22_2785fea5421d580fe9f1179a6524d664_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{AC6AD7D6-C050-49DD-B151-655A68EF672E}\WpadDecision = "0"	2024-07-22_2785fea5421d580fe9f1179a6524d664_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{AC6AD7D6-C050-49DD-B151-655A68EF672E}\d6-8b-db-76-a9-8e	2024-07-22_2785fea5421d580fe9f1179a6524d664_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\d6-8b-db-76-a9-8e\WpadDecisionTime = 30af629245dcda01	2024-07-22_2785fea5421d580fe9f1179a6524d664_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections	2024-07-22_2785fea5421d580fe9f1179a6524d664_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings	2024-07-22_2785fea5421d580fe9f1179a6524d664_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f0093000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-07-22_2785fea5421d580fe9f1179a6524d664_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{AC6AD7D6-C050-49DD-B151-655A68EF672E}\WpadDecisionTime = 30af629245dcda01	2024-07-22_2785fea5421d580fe9f1179a6524d664_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-07-22_2785fea5421d580fe9f1179a6524d664_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-07-22_2785fea5421d580fe9f1179a6524d664_wannacry.exe"
1⤵
- Drops file in Windows directory
PID:2344
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:2804

C:\Users\Admin\AppData\Local\Temp\2024-07-22_2785fea5421d580fe9f1179a6524d664_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-07-22_2785fea5421d580fe9f1179a6524d664_wannacry.exe -m security
1⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
PID:2760

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Windows\tasksche.exe

Filesize
3.4MB

MD5
75828a6a004f46531f820c3ce74f2756

SHA1
652cf36361f2e53adfd4c3db6ab1802da3bfebb6

SHA256
fb17fc3f4dd80e493b8c18fb646779416ac21b0ab85e03009c1c452134ad28f5

SHA512
5c11e2f3f8dc65c9ac7bd563b19f70941b371a855c0394c8c04cc9640ec88bbb52081aa59be3fc280666e500b2d9846f4a58db90ab285b36475b5841207263f1

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Analysis

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