wannacry | c966710705623dd26f151c5b9dbd9942778b48ebffc1b2b55aa1034c6b49b11d

General

Target

2024-06-15_b4ba742efae7adf641024e71a9c88cc1_wannacry.exe
Size

3.6MB
MD5

b4ba742efae7adf641024e71a9c88cc1
SHA1

077289f3d105e7b91cc999dea28a2b750c483910
SHA256

c966710705623dd26f151c5b9dbd9942778b48ebffc1b2b55aa1034c6b49b11d
SHA512

90a629d660ef1068bec9b6862a6557a38e36b8c9724cdf4c201f3ec3bf83dec3ae36b7556155a328d04983cee2b6631cf7cfd46f8dbd72fba8a4c86bb98320d6
SSDEEP

49152:2nAQqMSPbcBVQejwc3w+L/taKuykGpm+lj:yDqPoBhE5+x

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3321) 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

2744 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
2744	tasksche.exe

Drops file in System32 directory 1 IoCs

Processes:

2024-06-15_b4ba742efae7adf641024e71a9c88cc1_wannacry.exe

description	ioc	process
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\Temporary Internet Files\counters.dat	2024-06-15_b4ba742efae7adf641024e71a9c88cc1_wannacry.exe

Drops file in Windows directory 1 IoCs

Processes:

2024-06-15_b4ba742efae7adf641024e71a9c88cc1_wannacry.exe

description ioc process

File created C:\WINDOWS\tasksche.exe 2024-06-15_b4ba742efae7adf641024e71a9c88cc1_wannacry.exe

description	ioc	process
File created	C:\WINDOWS\tasksche.exe	2024-06-15_b4ba742efae7adf641024e71a9c88cc1_wannacry.exe

Modifies data under HKEY_USERS 24 IoCs

Processes:

2024-06-15_b4ba742efae7adf641024e71a9c88cc1_wannacry.exe

description	ioc	process
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{B9C923BE-82D8-4274-8CEC-29D16D218407}\4a-cd-91-eb-5a-b5	2024-06-15_b4ba742efae7adf641024e71a9c88cc1_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	2024-06-15_b4ba742efae7adf641024e71a9c88cc1_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections	2024-06-15_b4ba742efae7adf641024e71a9c88cc1_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-06-15_b4ba742efae7adf641024e71a9c88cc1_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	2024-06-15_b4ba742efae7adf641024e71a9c88cc1_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	2024-06-15_b4ba742efae7adf641024e71a9c88cc1_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f017e000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-06-15_b4ba742efae7adf641024e71a9c88cc1_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{B9C923BE-82D8-4274-8CEC-29D16D218407}\WpadDecisionTime = a07dce5720bfda01	2024-06-15_b4ba742efae7adf641024e71a9c88cc1_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\4a-cd-91-eb-5a-b5\WpadDecisionTime = a07dce5720bfda01	2024-06-15_b4ba742efae7adf641024e71a9c88cc1_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\4a-cd-91-eb-5a-b5\WpadDecision = "0"	2024-06-15_b4ba742efae7adf641024e71a9c88cc1_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	2024-06-15_b4ba742efae7adf641024e71a9c88cc1_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\4a-cd-91-eb-5a-b5	2024-06-15_b4ba742efae7adf641024e71a9c88cc1_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-06-15_b4ba742efae7adf641024e71a9c88cc1_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0"	2024-06-15_b4ba742efae7adf641024e71a9c88cc1_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-06-15_b4ba742efae7adf641024e71a9c88cc1_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "0"	2024-06-15_b4ba742efae7adf641024e71a9c88cc1_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{B9C923BE-82D8-4274-8CEC-29D16D218407}	2024-06-15_b4ba742efae7adf641024e71a9c88cc1_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings	2024-06-15_b4ba742efae7adf641024e71a9c88cc1_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "1"	2024-06-15_b4ba742efae7adf641024e71a9c88cc1_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad	2024-06-15_b4ba742efae7adf641024e71a9c88cc1_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{B9C923BE-82D8-4274-8CEC-29D16D218407}\WpadDecisionReason = "1"	2024-06-15_b4ba742efae7adf641024e71a9c88cc1_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{B9C923BE-82D8-4274-8CEC-29D16D218407}\WpadDecision = "0"	2024-06-15_b4ba742efae7adf641024e71a9c88cc1_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{B9C923BE-82D8-4274-8CEC-29D16D218407}\WpadNetworkName = "Network 3"	2024-06-15_b4ba742efae7adf641024e71a9c88cc1_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\4a-cd-91-eb-5a-b5\WpadDecisionReason = "1"	2024-06-15_b4ba742efae7adf641024e71a9c88cc1_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-06-15_b4ba742efae7adf641024e71a9c88cc1_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-06-15_b4ba742efae7adf641024e71a9c88cc1_wannacry.exe"
1⤵
- Drops file in Windows directory
PID:1180

C:\WINDOWS\tasksche.exe
C:\WINDOWS\tasksche.exe /i
2⤵
- Executes dropped EXE
PID:2744

C:\Users\Admin\AppData\Local\Temp\2024-06-15_b4ba742efae7adf641024e71a9c88cc1_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-06-15_b4ba742efae7adf641024e71a9c88cc1_wannacry.exe -m security
1⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
PID:1944

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
fcd1b6289b34b28fb79f5d884109fd2e

SHA1
a69f8fe21850ba04fbeb04ec372db2dec9d9acee

SHA256
9a083e5519727263c1ea8b22962649e97bd77e5d21f2827a5ca7d950beb8bdf7

SHA512
7a9de29e408ed7f0f99b07b576409ecd36e5e10c7ff6fbed90c681017978aeb2eb8be1d18fb8ee0a892618af0c4af295f0b85dd171f7086e6f21cd43db91022a

Download Submit

Analysis

Sharing