wannacry | c89f4504ad8c1f3d5745de35a6d25c661131a8acb8b01a655c52dd6256baa785

General

Target

2024-11-15_f003a5bd6ef09c6ba52ae39cd3dafc73_wannacry.exe
Size

5.0MB
MD5

f003a5bd6ef09c6ba52ae39cd3dafc73
SHA1

de32150e13ddaf0d088a7bccd04087bea28a7f6a
SHA256

c89f4504ad8c1f3d5745de35a6d25c661131a8acb8b01a655c52dd6256baa785
SHA512

f1573227b2543c0f48efb07cd45cea8ae1ff0c5bfd251444877adc7f8e8361ded4b65ea2ca0f99369c9a90ca7cc23ed329d90a35f99ec09b733efc96d858a6b5
SSDEEP

12288:GvbLgPlu+QhMbaIMu7L5NVErCA4z2g6rTcbckPU82900Ve7zw+K+DHeQYSUjEXFp:2bLgddQhfdmMSirYbcMNgef0QeQjG

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 (3184) 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

760 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
760	tasksche.exe

Drops file in System32 directory 1 IoCs

Processes:

2024-11-15_f003a5bd6ef09c6ba52ae39cd3dafc73_wannacry.exe

description	ioc	process
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\Temporary Internet Files\counters.dat	2024-11-15_f003a5bd6ef09c6ba52ae39cd3dafc73_wannacry.exe

Drops file in Windows directory 1 IoCs

Processes:

2024-11-15_f003a5bd6ef09c6ba52ae39cd3dafc73_wannacry.exe

description ioc process

File created C:\WINDOWS\tasksche.exe 2024-11-15_f003a5bd6ef09c6ba52ae39cd3dafc73_wannacry.exe

description	ioc	process
File created	C:\WINDOWS\tasksche.exe	2024-11-15_f003a5bd6ef09c6ba52ae39cd3dafc73_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:

2024-11-15_f003a5bd6ef09c6ba52ae39cd3dafc73_wannacry.exe2024-11-15_f003a5bd6ef09c6ba52ae39cd3dafc73_wannacry.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-11-15_f003a5bd6ef09c6ba52ae39cd3dafc73_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-11-15_f003a5bd6ef09c6ba52ae39cd3dafc73_wannacry.exe

Modifies data under HKEY_USERS 24 IoCs

Processes:

2024-11-15_f003a5bd6ef09c6ba52ae39cd3dafc73_wannacry.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	2024-11-15_f003a5bd6ef09c6ba52ae39cd3dafc73_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f00ac000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-11-15_f003a5bd6ef09c6ba52ae39cd3dafc73_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{E562BF2F-91E8-434E-AC5E-18540F086C0B}	2024-11-15_f003a5bd6ef09c6ba52ae39cd3dafc73_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	2024-11-15_f003a5bd6ef09c6ba52ae39cd3dafc73_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-11-15_f003a5bd6ef09c6ba52ae39cd3dafc73_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-11-15_f003a5bd6ef09c6ba52ae39cd3dafc73_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	2024-11-15_f003a5bd6ef09c6ba52ae39cd3dafc73_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{E562BF2F-91E8-434E-AC5E-18540F086C0B}\WpadDecisionTime = f0f2b6775237db01	2024-11-15_f003a5bd6ef09c6ba52ae39cd3dafc73_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\0e-7b-cd-83-39-fa\WpadDecision = "0"	2024-11-15_f003a5bd6ef09c6ba52ae39cd3dafc73_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections	2024-11-15_f003a5bd6ef09c6ba52ae39cd3dafc73_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings	2024-11-15_f003a5bd6ef09c6ba52ae39cd3dafc73_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "0"	2024-11-15_f003a5bd6ef09c6ba52ae39cd3dafc73_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\0e-7b-cd-83-39-fa	2024-11-15_f003a5bd6ef09c6ba52ae39cd3dafc73_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\0e-7b-cd-83-39-fa\WpadDecisionReason = "1"	2024-11-15_f003a5bd6ef09c6ba52ae39cd3dafc73_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	2024-11-15_f003a5bd6ef09c6ba52ae39cd3dafc73_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{E562BF2F-91E8-434E-AC5E-18540F086C0B}\WpadDecisionReason = "1"	2024-11-15_f003a5bd6ef09c6ba52ae39cd3dafc73_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{E562BF2F-91E8-434E-AC5E-18540F086C0B}\WpadNetworkName = "Network 3"	2024-11-15_f003a5bd6ef09c6ba52ae39cd3dafc73_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad	2024-11-15_f003a5bd6ef09c6ba52ae39cd3dafc73_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{E562BF2F-91E8-434E-AC5E-18540F086C0B}\WpadDecision = "0"	2024-11-15_f003a5bd6ef09c6ba52ae39cd3dafc73_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{E562BF2F-91E8-434E-AC5E-18540F086C0B}\0e-7b-cd-83-39-fa	2024-11-15_f003a5bd6ef09c6ba52ae39cd3dafc73_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\0e-7b-cd-83-39-fa\WpadDecisionTime = f0f2b6775237db01	2024-11-15_f003a5bd6ef09c6ba52ae39cd3dafc73_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0"	2024-11-15_f003a5bd6ef09c6ba52ae39cd3dafc73_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-11-15_f003a5bd6ef09c6ba52ae39cd3dafc73_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "1"	2024-11-15_f003a5bd6ef09c6ba52ae39cd3dafc73_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-11-15_f003a5bd6ef09c6ba52ae39cd3dafc73_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-11-15_f003a5bd6ef09c6ba52ae39cd3dafc73_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:2320
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:760

C:\Users\Admin\AppData\Local\Temp\2024-11-15_f003a5bd6ef09c6ba52ae39cd3dafc73_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-11-15_f003a5bd6ef09c6ba52ae39cd3dafc73_wannacry.exe -m security
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:2292

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
dd6cd3e49f730f0ec60cea8c6107a3b6

SHA1
1b901664cc0a41063d5d4ad111a3a580b25198a6

SHA256
7a7b3876df3b74b8117fa964bc0cc6ed5039a8826978e48f832ca845ae47c801

SHA512
7a2e76960db1db81bad09465bb53d8c77ebe1ae1dfaeb49c088549a11fcdd8ca8dbc4bbeb117e315156c1f3482adf3e8854c9299652d6b127fb3e643d30a3f1e

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads