wannacry | 80e26606a4bcb88387e0bd37f7efc2d39ce43556cc37c49c3df2a29831159017

General

Target

2025-02-06_0cedf00cdbb127546d04d8eea1bd59e5_wannacry.exe
Size

3.6MB
MD5

0cedf00cdbb127546d04d8eea1bd59e5
SHA1

2c8fbfdac37405573d102cf301c06ae1e9b48bb1
SHA256

80e26606a4bcb88387e0bd37f7efc2d39ce43556cc37c49c3df2a29831159017
SHA512

d1d0f912b3776054b0e5e1ac959b266b983c537ae49f0e0a2d453a76898ffffa56a29cf4df37ef8527a1544fdc8f434dc3520efad4163431ffde9fbfc6436f03
SSDEEP

98304:XDqPoBhz1aRxcSUDk36SAEdhvxWa9P593R8yAVp2H0f:XDqPe1Cxcxk3ZAEUadzR8yc4Hu

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 (3296) 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
2268	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	2025-02-06_0cedf00cdbb127546d04d8eea1bd59e5_wannacry.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\WINDOWS\tasksche.exe	2025-02-06_0cedf00cdbb127546d04d8eea1bd59e5_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	2025-02-06_0cedf00cdbb127546d04d8eea1bd59e5_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-02-06_0cedf00cdbb127546d04d8eea1bd59e5_wannacry.exe

Modifies data under HKEY_USERS 24 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\9a-39-c3-47-a6-62	2025-02-06_0cedf00cdbb127546d04d8eea1bd59e5_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2025-02-06_0cedf00cdbb127546d04d8eea1bd59e5_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad	2025-02-06_0cedf00cdbb127546d04d8eea1bd59e5_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{EA52F7A5-609B-40A0-BF6D-D8216E5CA486}\WpadDecisionTime = 70b51af37b78db01	2025-02-06_0cedf00cdbb127546d04d8eea1bd59e5_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	2025-02-06_0cedf00cdbb127546d04d8eea1bd59e5_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f00da000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2025-02-06_0cedf00cdbb127546d04d8eea1bd59e5_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{EA52F7A5-609B-40A0-BF6D-D8216E5CA486}	2025-02-06_0cedf00cdbb127546d04d8eea1bd59e5_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{EA52F7A5-609B-40A0-BF6D-D8216E5CA486}\9a-39-c3-47-a6-62	2025-02-06_0cedf00cdbb127546d04d8eea1bd59e5_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\9a-39-c3-47-a6-62\WpadDecisionTime = 70b51af37b78db01	2025-02-06_0cedf00cdbb127546d04d8eea1bd59e5_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	2025-02-06_0cedf00cdbb127546d04d8eea1bd59e5_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0"	2025-02-06_0cedf00cdbb127546d04d8eea1bd59e5_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2025-02-06_0cedf00cdbb127546d04d8eea1bd59e5_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	2025-02-06_0cedf00cdbb127546d04d8eea1bd59e5_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{EA52F7A5-609B-40A0-BF6D-D8216E5CA486}\WpadDecisionReason = "1"	2025-02-06_0cedf00cdbb127546d04d8eea1bd59e5_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{EA52F7A5-609B-40A0-BF6D-D8216E5CA486}\WpadDecision = "0"	2025-02-06_0cedf00cdbb127546d04d8eea1bd59e5_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\9a-39-c3-47-a6-62\WpadDecision = "0"	2025-02-06_0cedf00cdbb127546d04d8eea1bd59e5_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings	2025-02-06_0cedf00cdbb127546d04d8eea1bd59e5_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "0"	2025-02-06_0cedf00cdbb127546d04d8eea1bd59e5_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "1"	2025-02-06_0cedf00cdbb127546d04d8eea1bd59e5_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{EA52F7A5-609B-40A0-BF6D-D8216E5CA486}\WpadNetworkName = "Network 3"	2025-02-06_0cedf00cdbb127546d04d8eea1bd59e5_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\9a-39-c3-47-a6-62\WpadDecisionReason = "1"	2025-02-06_0cedf00cdbb127546d04d8eea1bd59e5_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections	2025-02-06_0cedf00cdbb127546d04d8eea1bd59e5_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2025-02-06_0cedf00cdbb127546d04d8eea1bd59e5_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	2025-02-06_0cedf00cdbb127546d04d8eea1bd59e5_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2025-02-06_0cedf00cdbb127546d04d8eea1bd59e5_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2025-02-06_0cedf00cdbb127546d04d8eea1bd59e5_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:2320
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:2268

C:\Users\Admin\AppData\Local\Temp\2025-02-06_0cedf00cdbb127546d04d8eea1bd59e5_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2025-02-06_0cedf00cdbb127546d04d8eea1bd59e5_wannacry.exe -m security
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:2412

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
96ab5c0cd18797a84cd530811560ce95

SHA1
c0a5adef7736345e10520b209dbb4edb81ffdeb6

SHA256
2afceb6b559ac383938e0d80659a4d899d14c88047be5b2c9cde113b388c0beb

SHA512
2dea1092a589f1d8be7b09f597b61df84044e53c2d4ea10d2d8497f3ffb614ee08b6e52b97edc4c332bbc7b25248d25bb2a3970fdf7aa2a98a2b2d06f22e336f

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