wannacry | 4412dc1daffb2b4711a7cd244c04c15dce813bb3678e03500e20806bca94f87f

General

Target

2025-02-23_7adec43110b1b69214ea9d8649d0f2fe_ramnit_wannacry.exe
Size

5.0MB
MD5

7adec43110b1b69214ea9d8649d0f2fe
SHA1

c7035c202945d143b04afb175f9dd2b231443c7e
SHA256

4412dc1daffb2b4711a7cd244c04c15dce813bb3678e03500e20806bca94f87f
SHA512

98a3acc6d913c1dd0e9e5d469d8c172d931bfbbb0852d51971a560a5a4029a01f2d0e864579c5f50f198a03d10cb17c587b4bf196fe5fbe79f26e84a3153cc08
SSDEEP

49152:XnAQqMBtgCIPUmC2rkdJh6qNIINWPp2cxHHPv1cnkhAMEcaEau3R8yAH1plAH:XDqErPen3GA593R8yAVp2H

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 (3333) 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
2184	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	2025-02-23_7adec43110b1b69214ea9d8649d0f2fe_ramnit_wannacry.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\WINDOWS\tasksche.exe	2025-02-23_7adec43110b1b69214ea9d8649d0f2fe_ramnit_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	2025-02-23_7adec43110b1b69214ea9d8649d0f2fe_ramnit_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-02-23_7adec43110b1b69214ea9d8649d0f2fe_ramnit_wannacry.exe

Modifies data under HKEY_USERS 24 IoCs

description	ioc	Process
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\52-15-28-0d-78-df\WpadDecisionTime = c0adcc111486db01	2025-02-23_7adec43110b1b69214ea9d8649d0f2fe_ramnit_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	2025-02-23_7adec43110b1b69214ea9d8649d0f2fe_ramnit_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	2025-02-23_7adec43110b1b69214ea9d8649d0f2fe_ramnit_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f0167000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2025-02-23_7adec43110b1b69214ea9d8649d0f2fe_ramnit_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{2F04038B-4737-4015-B84A-25E0A540BD22}\WpadDecisionTime = c0adcc111486db01	2025-02-23_7adec43110b1b69214ea9d8649d0f2fe_ramnit_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\52-15-28-0d-78-df\WpadDecision = "0"	2025-02-23_7adec43110b1b69214ea9d8649d0f2fe_ramnit_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2025-02-23_7adec43110b1b69214ea9d8649d0f2fe_ramnit_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2025-02-23_7adec43110b1b69214ea9d8649d0f2fe_ramnit_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "1"	2025-02-23_7adec43110b1b69214ea9d8649d0f2fe_ramnit_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad	2025-02-23_7adec43110b1b69214ea9d8649d0f2fe_ramnit_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{2F04038B-4737-4015-B84A-25E0A540BD22}\WpadDecisionReason = "1"	2025-02-23_7adec43110b1b69214ea9d8649d0f2fe_ramnit_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\52-15-28-0d-78-df	2025-02-23_7adec43110b1b69214ea9d8649d0f2fe_ramnit_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\52-15-28-0d-78-df\WpadDecisionReason = "1"	2025-02-23_7adec43110b1b69214ea9d8649d0f2fe_ramnit_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	2025-02-23_7adec43110b1b69214ea9d8649d0f2fe_ramnit_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings	2025-02-23_7adec43110b1b69214ea9d8649d0f2fe_ramnit_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0"	2025-02-23_7adec43110b1b69214ea9d8649d0f2fe_ramnit_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2025-02-23_7adec43110b1b69214ea9d8649d0f2fe_ramnit_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	2025-02-23_7adec43110b1b69214ea9d8649d0f2fe_ramnit_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{2F04038B-4737-4015-B84A-25E0A540BD22}	2025-02-23_7adec43110b1b69214ea9d8649d0f2fe_ramnit_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{2F04038B-4737-4015-B84A-25E0A540BD22}\WpadDecision = "0"	2025-02-23_7adec43110b1b69214ea9d8649d0f2fe_ramnit_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{2F04038B-4737-4015-B84A-25E0A540BD22}\52-15-28-0d-78-df	2025-02-23_7adec43110b1b69214ea9d8649d0f2fe_ramnit_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections	2025-02-23_7adec43110b1b69214ea9d8649d0f2fe_ramnit_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "0"	2025-02-23_7adec43110b1b69214ea9d8649d0f2fe_ramnit_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{2F04038B-4737-4015-B84A-25E0A540BD22}\WpadNetworkName = "Network 3"	2025-02-23_7adec43110b1b69214ea9d8649d0f2fe_ramnit_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2025-02-23_7adec43110b1b69214ea9d8649d0f2fe_ramnit_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2025-02-23_7adec43110b1b69214ea9d8649d0f2fe_ramnit_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:1628
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:2184

C:\Users\Admin\AppData\Local\Temp\2025-02-23_7adec43110b1b69214ea9d8649d0f2fe_ramnit_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2025-02-23_7adec43110b1b69214ea9d8649d0f2fe_ramnit_wannacry.exe -m security
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:1920

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
f495c0dbc9c8a58675b3b8843282bb80

SHA1
59e03d1b7becb21fbdf43e980a68c2b33b59d250

SHA256
0f0d0e54c33def51a1f025aeabbb7b902eceb490de0fea92729260dfc20aa227

SHA512
32e3fa22d5f3aeed26611c728910b4fc040526a0851e72f85941981ba2f2d2e7d77230b8c14cdc15dc1544b573705f6a311809d061ad8b8a582a3f443defa6e9

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