wannacry | 3f7692fe81d0069acb1dee416aadd65552aa78938cc5ceb0d7a732f14527de69

General

Target

2024-07-09_d849bfc953519cd76541dc6269ef96c2_wannacry.exe
Size

5.0MB
MD5

d849bfc953519cd76541dc6269ef96c2
SHA1

0eb5bdd954c209d5652461d6e7b22249cb38140a
SHA256

3f7692fe81d0069acb1dee416aadd65552aa78938cc5ceb0d7a732f14527de69
SHA512

b77fdd3a8437f7cbb9f05bf503fce8fe39fb034f2a3e25a5ee9c94524a6d7dec69514e577d71a96b7decc86dbdb09eb4b25a394b99521ed6066539c8447c85ba
SSDEEP

12288:GebLgPlu+QhMbaIMu7L5NVErCA4z2g6rTcbckPU821UEVS87xY:XbLgddQhfdmMSirYbcMLE+

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3207) 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

Processes:

tasksche.exe

pid process

2676 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

pid	process
2676	tasksche.exe

Drops file in System32 directory 1 IoCs

Processes:

2024-07-09_d849bfc953519cd76541dc6269ef96c2_wannacry.exe

description	ioc	process
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\Temporary Internet Files\counters.dat	2024-07-09_d849bfc953519cd76541dc6269ef96c2_wannacry.exe

Drops file in Windows directory 1 IoCs

Processes:

2024-07-09_d849bfc953519cd76541dc6269ef96c2_wannacry.exe

description ioc process

File created C:\WINDOWS\tasksche.exe 2024-07-09_d849bfc953519cd76541dc6269ef96c2_wannacry.exe

description	ioc	process
File created	C:\WINDOWS\tasksche.exe	2024-07-09_d849bfc953519cd76541dc6269ef96c2_wannacry.exe

Modifies data under HKEY_USERS 24 IoCs

Processes:

2024-07-09_d849bfc953519cd76541dc6269ef96c2_wannacry.exe

description	ioc	process
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\fa-72-ef-fe-e5-aa	2024-07-09_d849bfc953519cd76541dc6269ef96c2_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{F2CECE65-4DC3-458B-883C-2C1646864B14}\fa-72-ef-fe-e5-aa	2024-07-09_d849bfc953519cd76541dc6269ef96c2_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{F2CECE65-4DC3-458B-883C-2C1646864B14}	2024-07-09_d849bfc953519cd76541dc6269ef96c2_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-07-09_d849bfc953519cd76541dc6269ef96c2_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	2024-07-09_d849bfc953519cd76541dc6269ef96c2_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\fa-72-ef-fe-e5-aa\WpadDecisionTime = 7030f53dced1da01	2024-07-09_d849bfc953519cd76541dc6269ef96c2_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections	2024-07-09_d849bfc953519cd76541dc6269ef96c2_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "0"	2024-07-09_d849bfc953519cd76541dc6269ef96c2_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "1"	2024-07-09_d849bfc953519cd76541dc6269ef96c2_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	2024-07-09_d849bfc953519cd76541dc6269ef96c2_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	2024-07-09_d849bfc953519cd76541dc6269ef96c2_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad	2024-07-09_d849bfc953519cd76541dc6269ef96c2_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f019e000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-07-09_d849bfc953519cd76541dc6269ef96c2_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{F2CECE65-4DC3-458B-883C-2C1646864B14}\WpadDecision = "0"	2024-07-09_d849bfc953519cd76541dc6269ef96c2_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-07-09_d849bfc953519cd76541dc6269ef96c2_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\fa-72-ef-fe-e5-aa\WpadDecisionReason = "1"	2024-07-09_d849bfc953519cd76541dc6269ef96c2_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{F2CECE65-4DC3-458B-883C-2C1646864B14}\WpadNetworkName = "Network 3"	2024-07-09_d849bfc953519cd76541dc6269ef96c2_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-07-09_d849bfc953519cd76541dc6269ef96c2_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings	2024-07-09_d849bfc953519cd76541dc6269ef96c2_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0"	2024-07-09_d849bfc953519cd76541dc6269ef96c2_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{F2CECE65-4DC3-458B-883C-2C1646864B14}\WpadDecisionReason = "1"	2024-07-09_d849bfc953519cd76541dc6269ef96c2_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{F2CECE65-4DC3-458B-883C-2C1646864B14}\WpadDecisionTime = 7030f53dced1da01	2024-07-09_d849bfc953519cd76541dc6269ef96c2_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\fa-72-ef-fe-e5-aa\WpadDecision = "0"	2024-07-09_d849bfc953519cd76541dc6269ef96c2_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	2024-07-09_d849bfc953519cd76541dc6269ef96c2_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-07-09_d849bfc953519cd76541dc6269ef96c2_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-07-09_d849bfc953519cd76541dc6269ef96c2_wannacry.exe"
1⤵
- Drops file in Windows directory
PID:2692

C:\WINDOWS\tasksche.exe
C:\WINDOWS\tasksche.exe /i
2⤵
- Executes dropped EXE
PID:2676

C:\Users\Admin\AppData\Local\Temp\2024-07-09_d849bfc953519cd76541dc6269ef96c2_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-07-09_d849bfc953519cd76541dc6269ef96c2_wannacry.exe -m security
1⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
PID:2720

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Windows\tasksche.exe

Filesize
3.4MB

MD5
0c688f74fb71e3d51d97c35c5d1c1105

SHA1
121713aa2f1d48d40d25f9d527615e5832474892

SHA256
97df363ac70bb9303ad5867daf511a814c39a468a7cea909c0755df84209a3b4

SHA512
24d8c419a229fa2ba32103796aac8adc2e2a9b367203b4fcf65cf4822a03b6376182a5518b71c2b293b5cae4790f1c82ffdd853fbe55ffe34282be03ccc8ca37

Download Submit

Analysis

Sharing