wannacry | 2b1c37c88951b7543ba52cc6351ab9509e939c6e38d927df3c342ad6f6158a59

General

Target

8fd65b6b72a95cca4fd7c6cb235e5717.exe
Size

3.6MB
MD5

8fd65b6b72a95cca4fd7c6cb235e5717
SHA1

2c71773fbcc3f0a1b6c3ab4f95ae637f6f2f2aad
SHA256

2b1c37c88951b7543ba52cc6351ab9509e939c6e38d927df3c342ad6f6158a59
SHA512

40ddbb67f02556321c229682e0d5aaccab396fed20d9f977b2f93d4b7d70ce43485439f816e3bb7d00a5af521b3ce07df3ecc73b7860ca6824289fd918343928
SSDEEP

49152:XnAQqMSPbcBVQej/1INRx+TSqTdX1HkQo6SAARdhnvxJM0H9PAMEc:XDqPoBhz1aRxcSUDk36SAEdhvxWa9P5

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (1248) amount of remote hosts 1 TTPs
This may indicate a network scan to discover remotely running services.
discovery

Network Service Scanning
T1046
Executes dropped EXE 1 IoCs

Processes:

tasksche.exe

pid process

1468 tasksche.exe

pid	process
1468	tasksche.exe

Drops file in System32 directory 1 IoCs

Processes:

8fd65b6b72a95cca4fd7c6cb235e5717.exe

description	ioc	process
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\Temporary Internet Files\counters.dat	8fd65b6b72a95cca4fd7c6cb235e5717.exe

Drops file in Windows directory 1 IoCs

Processes:

8fd65b6b72a95cca4fd7c6cb235e5717.exe

description ioc process

File created C:\WINDOWS\tasksche.exe 8fd65b6b72a95cca4fd7c6cb235e5717.exe

description	ioc	process
File created	C:\WINDOWS\tasksche.exe	8fd65b6b72a95cca4fd7c6cb235e5717.exe

Modifies data under HKEY_USERS 24 IoCs

Processes:

8fd65b6b72a95cca4fd7c6cb235e5717.exe

description	ioc	process
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{32173189-9B1B-497B-B864-B1A4CF51DF2C}\WpadDecisionTime = c09e46f748c2d801	8fd65b6b72a95cca4fd7c6cb235e5717.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings	8fd65b6b72a95cca4fd7c6cb235e5717.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	8fd65b6b72a95cca4fd7c6cb235e5717.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	8fd65b6b72a95cca4fd7c6cb235e5717.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad	8fd65b6b72a95cca4fd7c6cb235e5717.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{32173189-9B1B-497B-B864-B1A4CF51DF2C}	8fd65b6b72a95cca4fd7c6cb235e5717.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\e6-ef-8a-cf-46-1c	8fd65b6b72a95cca4fd7c6cb235e5717.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0"	8fd65b6b72a95cca4fd7c6cb235e5717.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	8fd65b6b72a95cca4fd7c6cb235e5717.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	8fd65b6b72a95cca4fd7c6cb235e5717.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\e6-ef-8a-cf-46-1c\WpadDecisionReason = "1"	8fd65b6b72a95cca4fd7c6cb235e5717.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	8fd65b6b72a95cca4fd7c6cb235e5717.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	8fd65b6b72a95cca4fd7c6cb235e5717.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f008c000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	8fd65b6b72a95cca4fd7c6cb235e5717.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "1"	8fd65b6b72a95cca4fd7c6cb235e5717.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{32173189-9B1B-497B-B864-B1A4CF51DF2C}\WpadDecisionReason = "1"	8fd65b6b72a95cca4fd7c6cb235e5717.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{32173189-9B1B-497B-B864-B1A4CF51DF2C}\WpadDecision = "0"	8fd65b6b72a95cca4fd7c6cb235e5717.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{32173189-9B1B-497B-B864-B1A4CF51DF2C}\WpadNetworkName = "Network 3"	8fd65b6b72a95cca4fd7c6cb235e5717.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{32173189-9B1B-497B-B864-B1A4CF51DF2C}\e6-ef-8a-cf-46-1c	8fd65b6b72a95cca4fd7c6cb235e5717.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections	8fd65b6b72a95cca4fd7c6cb235e5717.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	8fd65b6b72a95cca4fd7c6cb235e5717.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "0"	8fd65b6b72a95cca4fd7c6cb235e5717.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\e6-ef-8a-cf-46-1c\WpadDecisionTime = c09e46f748c2d801	8fd65b6b72a95cca4fd7c6cb235e5717.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\e6-ef-8a-cf-46-1c\WpadDecision = "0"	8fd65b6b72a95cca4fd7c6cb235e5717.exe

C:\Users\Admin\AppData\Local\Temp\8fd65b6b72a95cca4fd7c6cb235e5717.exe
"C:\Users\Admin\AppData\Local\Temp\8fd65b6b72a95cca4fd7c6cb235e5717.exe"
1⤵
- Drops file in Windows directory
PID:2020

C:\WINDOWS\tasksche.exe
C:\WINDOWS\tasksche.exe /i
2⤵
- Executes dropped EXE
PID:1468

C:\Users\Admin\AppData\Local\Temp\8fd65b6b72a95cca4fd7c6cb235e5717.exe
C:\Users\Admin\AppData\Local\Temp\8fd65b6b72a95cca4fd7c6cb235e5717.exe -m security
1⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
PID:1044

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Network Service Scanning

1

T1046

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\Windows\tasksche.exe
Filesize
3.4MB

MD5
f256e46a05c53e0605a0512d76a4d121

SHA1
51d7288eb9a4f7d15a0e87a95d1586756d7ed738

SHA256
51d2b7d2e231300ee9bf6a2756fe8dadad287a36edca1f413a8cc1dfaff821f2

SHA512
56f4b9755cc0865161368e92af921c462e7dfd12dfd770e60f19699392e488358e440998b1096359521ba9404c984fe8ce8aec41ac28b729791b78ff3b731049

Download Submit
memory/2020-54-0x00000000756B1000-0x00000000756B3000-memory.dmp

Filesize
8KB

Download

Analysis

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