wannacry | 77f65159e8251180cdfb100d50367c26664fbf299ea785be097d998ba4ed60f4

General

Target

2024-11-17_3d3732604af5995fda078cdaefd32bde_wannacry.exe
Size

3.6MB
MD5

3d3732604af5995fda078cdaefd32bde
SHA1

69d00d3f2411f6c26817ede0ad6e1544c1cdeefb
SHA256

77f65159e8251180cdfb100d50367c26664fbf299ea785be097d998ba4ed60f4
SHA512

a62cd8818ee66455fb3984ab7bd605bed7c318bfacf01fd5c5277200294ec59f7506d5c396745db2971854c104103cb915cdf536214330b189219f874e79b71b
SSDEEP

49152:XnAQqMSPbcBVQej/1INRx+TSqTdX1HkQo6SAA8aEau3R8yAH1plAHI:XDqPoBhz1aRxcSUDk36SAz3R8yAVp2HI

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 (3326) 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

2320 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
2320	tasksche.exe

Drops file in System32 directory 1 IoCs

Processes:

2024-11-17_3d3732604af5995fda078cdaefd32bde_wannacry.exe

description	ioc	process
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\Temporary Internet Files\counters.dat	2024-11-17_3d3732604af5995fda078cdaefd32bde_wannacry.exe

Drops file in Windows directory 1 IoCs

Processes:

2024-11-17_3d3732604af5995fda078cdaefd32bde_wannacry.exe

description ioc process

File created C:\WINDOWS\tasksche.exe 2024-11-17_3d3732604af5995fda078cdaefd32bde_wannacry.exe

description	ioc	process
File created	C:\WINDOWS\tasksche.exe	2024-11-17_3d3732604af5995fda078cdaefd32bde_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

Processes:

2024-11-17_3d3732604af5995fda078cdaefd32bde_wannacry.exe2024-11-17_3d3732604af5995fda078cdaefd32bde_wannacry.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-11-17_3d3732604af5995fda078cdaefd32bde_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-11-17_3d3732604af5995fda078cdaefd32bde_wannacry.exe

Modifies data under HKEY_USERS 24 IoCs

Processes:

2024-11-17_3d3732604af5995fda078cdaefd32bde_wannacry.exe

description	ioc	process
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-11-17_3d3732604af5995fda078cdaefd32bde_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	2024-11-17_3d3732604af5995fda078cdaefd32bde_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{4A7BF6AE-07D7-4879-81E6-79EA01237A3E}\WpadDecisionReason = "1"	2024-11-17_3d3732604af5995fda078cdaefd32bde_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{4A7BF6AE-07D7-4879-81E6-79EA01237A3E}\WpadDecisionTime = b06447469838db01	2024-11-17_3d3732604af5995fda078cdaefd32bde_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\b2-00-f1-18-8b-1a\WpadDecision = "0"	2024-11-17_3d3732604af5995fda078cdaefd32bde_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	2024-11-17_3d3732604af5995fda078cdaefd32bde_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	2024-11-17_3d3732604af5995fda078cdaefd32bde_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	2024-11-17_3d3732604af5995fda078cdaefd32bde_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{4A7BF6AE-07D7-4879-81E6-79EA01237A3E}	2024-11-17_3d3732604af5995fda078cdaefd32bde_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\b2-00-f1-18-8b-1a\WpadDecisionTime = b06447469838db01	2024-11-17_3d3732604af5995fda078cdaefd32bde_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "1"	2024-11-17_3d3732604af5995fda078cdaefd32bde_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad	2024-11-17_3d3732604af5995fda078cdaefd32bde_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f009d000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-11-17_3d3732604af5995fda078cdaefd32bde_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections	2024-11-17_3d3732604af5995fda078cdaefd32bde_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0"	2024-11-17_3d3732604af5995fda078cdaefd32bde_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-11-17_3d3732604af5995fda078cdaefd32bde_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-11-17_3d3732604af5995fda078cdaefd32bde_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "0"	2024-11-17_3d3732604af5995fda078cdaefd32bde_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\b2-00-f1-18-8b-1a\WpadDecisionReason = "1"	2024-11-17_3d3732604af5995fda078cdaefd32bde_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings	2024-11-17_3d3732604af5995fda078cdaefd32bde_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{4A7BF6AE-07D7-4879-81E6-79EA01237A3E}\WpadDecision = "0"	2024-11-17_3d3732604af5995fda078cdaefd32bde_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{4A7BF6AE-07D7-4879-81E6-79EA01237A3E}\WpadNetworkName = "Network 2"	2024-11-17_3d3732604af5995fda078cdaefd32bde_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\b2-00-f1-18-8b-1a	2024-11-17_3d3732604af5995fda078cdaefd32bde_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{4A7BF6AE-07D7-4879-81E6-79EA01237A3E}\b2-00-f1-18-8b-1a	2024-11-17_3d3732604af5995fda078cdaefd32bde_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-11-17_3d3732604af5995fda078cdaefd32bde_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-11-17_3d3732604af5995fda078cdaefd32bde_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:2540
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:2320

C:\Users\Admin\AppData\Local\Temp\2024-11-17_3d3732604af5995fda078cdaefd32bde_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-11-17_3d3732604af5995fda078cdaefd32bde_wannacry.exe -m security
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:2532

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

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Downloads

C:\Windows\tasksche.exe

Filesize
3.4MB

MD5
baf218ec05c41910dcd0aca3aaeac4ab

SHA1
a76a0ad92254d708b10722c95df31c41edb911c1

SHA256
913bf85d425d1495710dcb686d4096b25635a2f7fd88f1c11e5af115a2c6704e

SHA512
1f6ec45545f33f34a0323dc684a0d9ef7e16c3f988ff935bf224cb8d87bdcc0065d6c503e7e0b784c267d180562e15b03edefc184e00f29331efa0ef65a510d7

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads