wannacry | a1d10765cd724b4b3ada989592b04762fa85cb0135630501e746fabdd6ffddde

General

Target

2024-09-09_63e400e99c647bbcf1b6e340ef13810a_wannacry.exe
Size

5.0MB
MD5

63e400e99c647bbcf1b6e340ef13810a
SHA1

8b5afdb07f76d643ecdb3df7545d2b73316532ce
SHA256

a1d10765cd724b4b3ada989592b04762fa85cb0135630501e746fabdd6ffddde
SHA512

593bc61df368cc4d350a002d02394c0c331d9d6d4ed72893f74e1211b9f8d94e05d4cd6e37308db9d52b9f38d91165449bfa7a5e69e7860e33194e15207e2762
SSDEEP

98304:yDqPoBhz1aRxcSUDk36SAEdhvxWa9P593R8yAVp2:yDqPe1Cxcxk3ZAEUadzR8yc4

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3216) 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
3052	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	2024-09-09_63e400e99c647bbcf1b6e340ef13810a_wannacry.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\WINDOWS\tasksche.exe	2024-09-09_63e400e99c647bbcf1b6e340ef13810a_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	2024-09-09_63e400e99c647bbcf1b6e340ef13810a_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-09-09_63e400e99c647bbcf1b6e340ef13810a_wannacry.exe

Modifies data under HKEY_USERS 24 IoCs

description	ioc	Process
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "1"	2024-09-09_63e400e99c647bbcf1b6e340ef13810a_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{4F0F7CB8-C4A2-48AD-BCAC-60A12B712265}\WpadDecisionReason = "1"	2024-09-09_63e400e99c647bbcf1b6e340ef13810a_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{4F0F7CB8-C4A2-48AD-BCAC-60A12B712265}\WpadDecisionTime = 60c5ca8abe02db01	2024-09-09_63e400e99c647bbcf1b6e340ef13810a_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\06-a0-79-7d-60-5b\WpadDecisionReason = "1"	2024-09-09_63e400e99c647bbcf1b6e340ef13810a_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\06-a0-79-7d-60-5b\WpadDecisionTime = 60c5ca8abe02db01	2024-09-09_63e400e99c647bbcf1b6e340ef13810a_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-09-09_63e400e99c647bbcf1b6e340ef13810a_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings	2024-09-09_63e400e99c647bbcf1b6e340ef13810a_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0"	2024-09-09_63e400e99c647bbcf1b6e340ef13810a_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "0"	2024-09-09_63e400e99c647bbcf1b6e340ef13810a_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{4F0F7CB8-C4A2-48AD-BCAC-60A12B712265}\WpadDecision = "0"	2024-09-09_63e400e99c647bbcf1b6e340ef13810a_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\06-a0-79-7d-60-5b	2024-09-09_63e400e99c647bbcf1b6e340ef13810a_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{4F0F7CB8-C4A2-48AD-BCAC-60A12B712265}	2024-09-09_63e400e99c647bbcf1b6e340ef13810a_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\06-a0-79-7d-60-5b\WpadDecision = "0"	2024-09-09_63e400e99c647bbcf1b6e340ef13810a_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections	2024-09-09_63e400e99c647bbcf1b6e340ef13810a_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-09-09_63e400e99c647bbcf1b6e340ef13810a_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	2024-09-09_63e400e99c647bbcf1b6e340ef13810a_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	2024-09-09_63e400e99c647bbcf1b6e340ef13810a_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	2024-09-09_63e400e99c647bbcf1b6e340ef13810a_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f00b3000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-09-09_63e400e99c647bbcf1b6e340ef13810a_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	2024-09-09_63e400e99c647bbcf1b6e340ef13810a_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-09-09_63e400e99c647bbcf1b6e340ef13810a_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad	2024-09-09_63e400e99c647bbcf1b6e340ef13810a_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{4F0F7CB8-C4A2-48AD-BCAC-60A12B712265}\WpadNetworkName = "Network 3"	2024-09-09_63e400e99c647bbcf1b6e340ef13810a_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{4F0F7CB8-C4A2-48AD-BCAC-60A12B712265}\06-a0-79-7d-60-5b	2024-09-09_63e400e99c647bbcf1b6e340ef13810a_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-09-09_63e400e99c647bbcf1b6e340ef13810a_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-09-09_63e400e99c647bbcf1b6e340ef13810a_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:3024
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:3052

C:\Users\Admin\AppData\Local\Temp\2024-09-09_63e400e99c647bbcf1b6e340ef13810a_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-09-09_63e400e99c647bbcf1b6e340ef13810a_wannacry.exe -m security
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:2828

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
ba8878e4f7f3af56dabd32740af1acc2

SHA1
f4bd54a2e2161952a8a9237247ee6246c3881a83

SHA256
f34ade051671f19aac1213b6aaad04d4a5a656044bab0494c6a5396e65391bbc

SHA512
07026d1530a23e02bc4b92936df5ef9b0806b7ff464dd180993d8578f1053dd4af2d551ac75ee7f5c6ca292d8be02f898bfc4b1ee8b7024b63d9fe0527a85126

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