wannacry | 6e1e49f2ac0e0914757f9d73e286dff1253bb421132221ccc0404b9a3b1229b9

General

Target

2024-08-03_54945018d2bb1f84f8191c6d498d96c6_wannacry.exe
Size

5.0MB
MD5

54945018d2bb1f84f8191c6d498d96c6
SHA1

e356542c92d208217c7a25a5cb9493bce367e054
SHA256

6e1e49f2ac0e0914757f9d73e286dff1253bb421132221ccc0404b9a3b1229b9
SHA512

cf3658d57132efe6bc5c1445becc7ad1868f7297c9a34928b4002d53d9caa46d0d510499cd56c47e64f43d31b267a26ae3998549a863a7b640352883e180f48b
SSDEEP

12288:GvbLgPlu+QhMbaIMu7L5NVErCA4z2g6rTcbckPU82:2bLgddQhfdmMSirYbcM

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3105) 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

2740 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
2740	tasksche.exe

Drops file in System32 directory 1 IoCs

Processes:

2024-08-03_54945018d2bb1f84f8191c6d498d96c6_wannacry.exe

description	ioc	process
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\Temporary Internet Files\counters.dat	2024-08-03_54945018d2bb1f84f8191c6d498d96c6_wannacry.exe

Drops file in Windows directory 1 IoCs

Processes:

2024-08-03_54945018d2bb1f84f8191c6d498d96c6_wannacry.exe

description ioc process

File created C:\WINDOWS\tasksche.exe 2024-08-03_54945018d2bb1f84f8191c6d498d96c6_wannacry.exe

description	ioc	process
File created	C:\WINDOWS\tasksche.exe	2024-08-03_54945018d2bb1f84f8191c6d498d96c6_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:

2024-08-03_54945018d2bb1f84f8191c6d498d96c6_wannacry.exe2024-08-03_54945018d2bb1f84f8191c6d498d96c6_wannacry.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-08-03_54945018d2bb1f84f8191c6d498d96c6_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-08-03_54945018d2bb1f84f8191c6d498d96c6_wannacry.exe

Modifies data under HKEY_USERS 24 IoCs

Processes:

2024-08-03_54945018d2bb1f84f8191c6d498d96c6_wannacry.exe

description	ioc	process
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{2D2D6BE2-8CBC-4DC8-A90E-E05D9CE318A7}\WpadDecision = "0"	2024-08-03_54945018d2bb1f84f8191c6d498d96c6_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\0e-95-20-8c-0b-2e\WpadDecisionReason = "1"	2024-08-03_54945018d2bb1f84f8191c6d498d96c6_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0"	2024-08-03_54945018d2bb1f84f8191c6d498d96c6_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "0"	2024-08-03_54945018d2bb1f84f8191c6d498d96c6_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad	2024-08-03_54945018d2bb1f84f8191c6d498d96c6_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{2D2D6BE2-8CBC-4DC8-A90E-E05D9CE318A7}\WpadDecisionReason = "1"	2024-08-03_54945018d2bb1f84f8191c6d498d96c6_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-08-03_54945018d2bb1f84f8191c6d498d96c6_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f019a000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-08-03_54945018d2bb1f84f8191c6d498d96c6_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\0e-95-20-8c-0b-2e	2024-08-03_54945018d2bb1f84f8191c6d498d96c6_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\0e-95-20-8c-0b-2e\WpadDecisionTime = 20b40278a3e5da01	2024-08-03_54945018d2bb1f84f8191c6d498d96c6_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{2D2D6BE2-8CBC-4DC8-A90E-E05D9CE318A7}	2024-08-03_54945018d2bb1f84f8191c6d498d96c6_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{2D2D6BE2-8CBC-4DC8-A90E-E05D9CE318A7}\WpadDecisionTime = 20b40278a3e5da01	2024-08-03_54945018d2bb1f84f8191c6d498d96c6_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{2D2D6BE2-8CBC-4DC8-A90E-E05D9CE318A7}\WpadNetworkName = "Network 3"	2024-08-03_54945018d2bb1f84f8191c6d498d96c6_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{2D2D6BE2-8CBC-4DC8-A90E-E05D9CE318A7}\0e-95-20-8c-0b-2e	2024-08-03_54945018d2bb1f84f8191c6d498d96c6_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	2024-08-03_54945018d2bb1f84f8191c6d498d96c6_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-08-03_54945018d2bb1f84f8191c6d498d96c6_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-08-03_54945018d2bb1f84f8191c6d498d96c6_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "1"	2024-08-03_54945018d2bb1f84f8191c6d498d96c6_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\0e-95-20-8c-0b-2e\WpadDecision = "0"	2024-08-03_54945018d2bb1f84f8191c6d498d96c6_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	2024-08-03_54945018d2bb1f84f8191c6d498d96c6_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections	2024-08-03_54945018d2bb1f84f8191c6d498d96c6_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings	2024-08-03_54945018d2bb1f84f8191c6d498d96c6_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	2024-08-03_54945018d2bb1f84f8191c6d498d96c6_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	2024-08-03_54945018d2bb1f84f8191c6d498d96c6_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-08-03_54945018d2bb1f84f8191c6d498d96c6_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-08-03_54945018d2bb1f84f8191c6d498d96c6_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:2720

C:\WINDOWS\tasksche.exe
C:\WINDOWS\tasksche.exe /i
2⤵
- Executes dropped EXE
PID:2740

C:\Users\Admin\AppData\Local\Temp\2024-08-03_54945018d2bb1f84f8191c6d498d96c6_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-08-03_54945018d2bb1f84f8191c6d498d96c6_wannacry.exe -m security
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:2732

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
d94db1866a929a23477dececc4b2802d

SHA1
73844fb1fa784a5243004e8d44f7d3ace805e463

SHA256
eb80960f60384eb1f19f0a5b20f0878286111056d409e0e579954a449cd65893

SHA512
b2cef7f4ed39342d91572ad188838d53e7c6dcea0ffb868ff6103f42cbd9b0d0740bdea874772b623bf7955597d9ee997784a0c165efac90d87af7f88bae97f6

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads