wannacry | 78e9eb1375b0daf619590c3ec1b271b65bbbd113575272e8fd74686a09f5b129

General

Target

2024-09-29_07c2948790583a46176008979c79cf13_wannacry.exe
Size

5.0MB
MD5

07c2948790583a46176008979c79cf13
SHA1

dd250e80a497ca3d86f0925b59f5db7887f142da
SHA256

78e9eb1375b0daf619590c3ec1b271b65bbbd113575272e8fd74686a09f5b129
SHA512

a98993d860d8243776f9cca173f9acbf829b25a8e1d8484e363b2448af3da125d629a8cfb246239996affdd5f10ad8f024e592e9e2451bd4d72154b83c133966
SSDEEP

24576:2bLgddQhfdmMSirYbcMNgef0BXmiHkQg6eX6SASk+Rd:2nAQqMSPbcBVBX1HkQo6SAARd

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3239) 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
1180	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_07c2948790583a46176008979c79cf13_wannacry.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\WINDOWS\tasksche.exe	2024-09-29_07c2948790583a46176008979c79cf13_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_07c2948790583a46176008979c79cf13_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-09-29_07c2948790583a46176008979c79cf13_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\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-09-29_07c2948790583a46176008979c79cf13_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0"	2024-09-29_07c2948790583a46176008979c79cf13_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-09-29_07c2948790583a46176008979c79cf13_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{99F4DE71-6915-4DA7-BE85-C41E5546DF22}	2024-09-29_07c2948790583a46176008979c79cf13_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections	2024-09-29_07c2948790583a46176008979c79cf13_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "0"	2024-09-29_07c2948790583a46176008979c79cf13_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	2024-09-29_07c2948790583a46176008979c79cf13_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad	2024-09-29_07c2948790583a46176008979c79cf13_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{99F4DE71-6915-4DA7-BE85-C41E5546DF22}\WpadNetworkName = "Network 3"	2024-09-29_07c2948790583a46176008979c79cf13_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{99F4DE71-6915-4DA7-BE85-C41E5546DF22}\1e-f9-9f-84-a1-0e	2024-09-29_07c2948790583a46176008979c79cf13_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\1e-f9-9f-84-a1-0e\WpadDecision = "0"	2024-09-29_07c2948790583a46176008979c79cf13_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-09-29_07c2948790583a46176008979c79cf13_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "1"	2024-09-29_07c2948790583a46176008979c79cf13_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	2024-09-29_07c2948790583a46176008979c79cf13_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f019d000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-09-29_07c2948790583a46176008979c79cf13_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{99F4DE71-6915-4DA7-BE85-C41E5546DF22}\WpadDecisionTime = 5005c3565112db01	2024-09-29_07c2948790583a46176008979c79cf13_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\1e-f9-9f-84-a1-0e	2024-09-29_07c2948790583a46176008979c79cf13_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\1e-f9-9f-84-a1-0e\WpadDecisionTime = 5005c3565112db01	2024-09-29_07c2948790583a46176008979c79cf13_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings	2024-09-29_07c2948790583a46176008979c79cf13_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	2024-09-29_07c2948790583a46176008979c79cf13_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{99F4DE71-6915-4DA7-BE85-C41E5546DF22}\WpadDecisionReason = "1"	2024-09-29_07c2948790583a46176008979c79cf13_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{99F4DE71-6915-4DA7-BE85-C41E5546DF22}\WpadDecision = "0"	2024-09-29_07c2948790583a46176008979c79cf13_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\1e-f9-9f-84-a1-0e\WpadDecisionReason = "1"	2024-09-29_07c2948790583a46176008979c79cf13_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	2024-09-29_07c2948790583a46176008979c79cf13_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-09-29_07c2948790583a46176008979c79cf13_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-09-29_07c2948790583a46176008979c79cf13_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:2172
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:1180

C:\Users\Admin\AppData\Local\Temp\2024-09-29_07c2948790583a46176008979c79cf13_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-09-29_07c2948790583a46176008979c79cf13_wannacry.exe -m security
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:2396

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
1102f6abb9eb9642156ce595578327a7

SHA1
712243722e007a3cdc285f0bbfef80c4511b33cf

SHA256
aa2e05ab9a8dc2cd0d7388d96696a18b8ba4d229d16cf8900c12fc425ab8b961

SHA512
dae02089ffbfce1945df5a638c77512b02fa3062ea57b98bf04fb479821b235be072520ba6f5e2f506e29aa432193c3869c8be78bbf5e48c54f4957d5c2a59e8

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Analysis

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