wannacry | 57d55ccf3a33c78e4219006823190762695ba268aaab65b58146921f7e6a95c9

General

Target

2024-10-10_7e6c59c732ee47052ddf19cbb487ffe8_wannacry.exe
Size

3.6MB
MD5

7e6c59c732ee47052ddf19cbb487ffe8
SHA1

5207a302364c3c505376f87e2f39a433c0b19f95
SHA256

57d55ccf3a33c78e4219006823190762695ba268aaab65b58146921f7e6a95c9
SHA512

38a605b8077292a6af1b5dc9a28664b641820c8da35fa5f5cbd06df65414cb8c79f929cfc265f37e57067b96de3a51c0390c8ec7efcdf2be70f2127a4ffb9e58
SSDEEP

6144:GE9l9yUqIYVTH5DgSg8ajldktM0XXrP2QhMV9qbBLIwYev:GvbLgPlu+QhMbaIav

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3285) 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
2348	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_7e6c59c732ee47052ddf19cbb487ffe8_wannacry.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\WINDOWS\tasksche.exe	2024-10-10_7e6c59c732ee47052ddf19cbb487ffe8_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_7e6c59c732ee47052ddf19cbb487ffe8_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-10-10_7e6c59c732ee47052ddf19cbb487ffe8_wannacry.exe

Modifies data under HKEY_USERS 24 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad	2024-10-10_7e6c59c732ee47052ddf19cbb487ffe8_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{E17F556E-6CCE-43C4-9277-B81CB987760F}	2024-10-10_7e6c59c732ee47052ddf19cbb487ffe8_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{E17F556E-6CCE-43C4-9277-B81CB987760F}\WpadDecisionReason = "1"	2024-10-10_7e6c59c732ee47052ddf19cbb487ffe8_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{E17F556E-6CCE-43C4-9277-B81CB987760F}\WpadDecisionTime = f065e570601bdb01	2024-10-10_7e6c59c732ee47052ddf19cbb487ffe8_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0"	2024-10-10_7e6c59c732ee47052ddf19cbb487ffe8_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-10-10_7e6c59c732ee47052ddf19cbb487ffe8_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	2024-10-10_7e6c59c732ee47052ddf19cbb487ffe8_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	2024-10-10_7e6c59c732ee47052ddf19cbb487ffe8_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{E17F556E-6CCE-43C4-9277-B81CB987760F}\56-c5-ba-58-09-b8	2024-10-10_7e6c59c732ee47052ddf19cbb487ffe8_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "0"	2024-10-10_7e6c59c732ee47052ddf19cbb487ffe8_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "1"	2024-10-10_7e6c59c732ee47052ddf19cbb487ffe8_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f00e9000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-10-10_7e6c59c732ee47052ddf19cbb487ffe8_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{E17F556E-6CCE-43C4-9277-B81CB987760F}\WpadNetworkName = "Network 3"	2024-10-10_7e6c59c732ee47052ddf19cbb487ffe8_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\56-c5-ba-58-09-b8	2024-10-10_7e6c59c732ee47052ddf19cbb487ffe8_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\56-c5-ba-58-09-b8\WpadDecisionReason = "1"	2024-10-10_7e6c59c732ee47052ddf19cbb487ffe8_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	2024-10-10_7e6c59c732ee47052ddf19cbb487ffe8_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections	2024-10-10_7e6c59c732ee47052ddf19cbb487ffe8_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings	2024-10-10_7e6c59c732ee47052ddf19cbb487ffe8_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{E17F556E-6CCE-43C4-9277-B81CB987760F}\WpadDecision = "0"	2024-10-10_7e6c59c732ee47052ddf19cbb487ffe8_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\56-c5-ba-58-09-b8\WpadDecision = "0"	2024-10-10_7e6c59c732ee47052ddf19cbb487ffe8_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-10-10_7e6c59c732ee47052ddf19cbb487ffe8_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-10-10_7e6c59c732ee47052ddf19cbb487ffe8_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	2024-10-10_7e6c59c732ee47052ddf19cbb487ffe8_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\56-c5-ba-58-09-b8\WpadDecisionTime = f065e570601bdb01	2024-10-10_7e6c59c732ee47052ddf19cbb487ffe8_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-10-10_7e6c59c732ee47052ddf19cbb487ffe8_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-10-10_7e6c59c732ee47052ddf19cbb487ffe8_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:2364
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:2348

C:\Users\Admin\AppData\Local\Temp\2024-10-10_7e6c59c732ee47052ddf19cbb487ffe8_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-10-10_7e6c59c732ee47052ddf19cbb487ffe8_wannacry.exe -m security
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:2568

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
5204a61c23289b84d57121a71a547031

SHA1
8cb7fc7f3447c72f8782e76fc44c5edf0891a4c0

SHA256
bbe800313d4240dbc64643e1aa67733f7f0373f19bd9b61547edcebdaa95c853

SHA512
28ae4c4f52ef1e180f924c61c9021b371766bfcb7aa22ea869513c73ae6afc6e8a60f937dcd5adce6d32d5cc6cbc87fcfaaa74ce1f048065b5f1a841fec762fb

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