wannacry | 96c70a0c0d4b0e86a9e359a53bd31a3ff30c77ac5aed43afab853d58f6e7a991

General

Target

2024-12-28_9c95701828ea760d22f26207df818d27_wannacry.exe
Size

5.0MB
MD5

9c95701828ea760d22f26207df818d27
SHA1

dca9ae2be2731345728d4a6238538084a64b5383
SHA256

96c70a0c0d4b0e86a9e359a53bd31a3ff30c77ac5aed43afab853d58f6e7a991
SHA512

633015aa9efb37e78350c2da297b9e9269d9af188e371bc35b10550be018d463af2b67035b90b4744de1235010f4621055113651eedf0bd0e04a790faccd6d75
SSDEEP

12288:GebLgPlu+QhMbaIMu7L5NVErCA4z2g6rTcbckPU82900Ve7zw+K+D0r452:XbLgddQhfdmMSirYbcMNgef0Br45

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 (3135) 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
2092	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	2024-12-28_9c95701828ea760d22f26207df818d27_wannacry.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\WINDOWS\tasksche.exe	2024-12-28_9c95701828ea760d22f26207df818d27_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	2024-12-28_9c95701828ea760d22f26207df818d27_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-12-28_9c95701828ea760d22f26207df818d27_wannacry.exe

Modifies data under HKEY_USERS 24 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad	2024-12-28_9c95701828ea760d22f26207df818d27_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{0D1F8A71-D14E-40E8-B376-28A027BC8C1F}\WpadDecisionReason = "1"	2024-12-28_9c95701828ea760d22f26207df818d27_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{0D1F8A71-D14E-40E8-B376-28A027BC8C1F}\WpadDecisionTime = d0f1decf2b59db01	2024-12-28_9c95701828ea760d22f26207df818d27_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-12-28_9c95701828ea760d22f26207df818d27_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "0"	2024-12-28_9c95701828ea760d22f26207df818d27_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "1"	2024-12-28_9c95701828ea760d22f26207df818d27_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	2024-12-28_9c95701828ea760d22f26207df818d27_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings	2024-12-28_9c95701828ea760d22f26207df818d27_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{0D1F8A71-D14E-40E8-B376-28A027BC8C1F}\WpadNetworkName = "Network 3"	2024-12-28_9c95701828ea760d22f26207df818d27_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\1a-cb-75-c3-f8-2f\WpadDecision = "0"	2024-12-28_9c95701828ea760d22f26207df818d27_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	2024-12-28_9c95701828ea760d22f26207df818d27_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{0D1F8A71-D14E-40E8-B376-28A027BC8C1F}	2024-12-28_9c95701828ea760d22f26207df818d27_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{0D1F8A71-D14E-40E8-B376-28A027BC8C1F}\WpadDecision = "0"	2024-12-28_9c95701828ea760d22f26207df818d27_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\1a-cb-75-c3-f8-2f	2024-12-28_9c95701828ea760d22f26207df818d27_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	2024-12-28_9c95701828ea760d22f26207df818d27_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections	2024-12-28_9c95701828ea760d22f26207df818d27_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0"	2024-12-28_9c95701828ea760d22f26207df818d27_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-12-28_9c95701828ea760d22f26207df818d27_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\1a-cb-75-c3-f8-2f\WpadDecisionReason = "1"	2024-12-28_9c95701828ea760d22f26207df818d27_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\1a-cb-75-c3-f8-2f\WpadDecisionTime = d0f1decf2b59db01	2024-12-28_9c95701828ea760d22f26207df818d27_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-12-28_9c95701828ea760d22f26207df818d27_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	2024-12-28_9c95701828ea760d22f26207df818d27_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f00e4000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-12-28_9c95701828ea760d22f26207df818d27_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{0D1F8A71-D14E-40E8-B376-28A027BC8C1F}\1a-cb-75-c3-f8-2f	2024-12-28_9c95701828ea760d22f26207df818d27_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-12-28_9c95701828ea760d22f26207df818d27_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-12-28_9c95701828ea760d22f26207df818d27_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:2764
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:2092

C:\Users\Admin\AppData\Local\Temp\2024-12-28_9c95701828ea760d22f26207df818d27_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-12-28_9c95701828ea760d22f26207df818d27_wannacry.exe -m security
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:2364

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
d5993d2cd9b316805d7f9fa2868d51c4

SHA1
304e6eaf4f8099c61d741f71135b1c8acd5074d0

SHA256
327ee80ff68016fc76f9cca84a30049c5541592ec34ea6424698d8dafa3d61c0

SHA512
d1735436056ab7cab84b6e4c7502c5fd7e63530dc7dc9475c000b609f6830da22072530c9c85ed303b4e8a645fa9f996debbd1fc36c11c13572e727f1c3d2f6f

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Analysis

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