wannacry | 88c726f5f1aaa2aa0b3e3414006d874b794ce1f19680b1d2e08f8289ee5a6835

General

Target

2025-01-17_2ceb24afa6d55763092d09c55b7b9118_wannacry.exe
Size

5.0MB
MD5

2ceb24afa6d55763092d09c55b7b9118
SHA1

ca7cebd8d729d2944545042365983c0ee16fc45d
SHA256

88c726f5f1aaa2aa0b3e3414006d874b794ce1f19680b1d2e08f8289ee5a6835
SHA512

73f0d14f8a255b8f08a043177d362df4e9ee3df977a823a9c034d8ed592db3be470d92790e8ec6f4fcc0144ca76838f810e8ecc88082eefd80635da748bc8174
SSDEEP

12288:GvbLgPlu+QhMbaIMu7L5NVErCA4z2g6rTcbckPU82900Ve7zw+K+:2bLgddQhfdmMSirYbcMNgef0

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 (3191) 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

pid	Process
2344	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

Drops file in System32 directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\Temporary Internet Files\counters.dat	2025-01-17_2ceb24afa6d55763092d09c55b7b9118_wannacry.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\WINDOWS\tasksche.exe	2025-01-17_2ceb24afa6d55763092d09c55b7b9118_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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-01-17_2ceb24afa6d55763092d09c55b7b9118_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-01-17_2ceb24afa6d55763092d09c55b7b9118_wannacry.exe

Modifies data under HKEY_USERS 24 IoCs

description	ioc	Process
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2025-01-17_2ceb24afa6d55763092d09c55b7b9118_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	2025-01-17_2ceb24afa6d55763092d09c55b7b9118_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{72BED9FB-2829-465B-A19A-3648523A2EB8}\WpadDecision = "0"	2025-01-17_2ceb24afa6d55763092d09c55b7b9118_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\4a-32-8d-47-9f-21\WpadDecisionTime = 907158b8de68db01	2025-01-17_2ceb24afa6d55763092d09c55b7b9118_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\4a-32-8d-47-9f-21\WpadDecision = "0"	2025-01-17_2ceb24afa6d55763092d09c55b7b9118_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings	2025-01-17_2ceb24afa6d55763092d09c55b7b9118_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0"	2025-01-17_2ceb24afa6d55763092d09c55b7b9118_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{72BED9FB-2829-465B-A19A-3648523A2EB8}\WpadDecisionReason = "1"	2025-01-17_2ceb24afa6d55763092d09c55b7b9118_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{72BED9FB-2829-465B-A19A-3648523A2EB8}\4a-32-8d-47-9f-21	2025-01-17_2ceb24afa6d55763092d09c55b7b9118_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2025-01-17_2ceb24afa6d55763092d09c55b7b9118_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	2025-01-17_2ceb24afa6d55763092d09c55b7b9118_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f011f000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2025-01-17_2ceb24afa6d55763092d09c55b7b9118_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{72BED9FB-2829-465B-A19A-3648523A2EB8}	2025-01-17_2ceb24afa6d55763092d09c55b7b9118_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{72BED9FB-2829-465B-A19A-3648523A2EB8}\WpadDecisionTime = 907158b8de68db01	2025-01-17_2ceb24afa6d55763092d09c55b7b9118_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{72BED9FB-2829-465B-A19A-3648523A2EB8}\WpadNetworkName = "Network 3"	2025-01-17_2ceb24afa6d55763092d09c55b7b9118_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections	2025-01-17_2ceb24afa6d55763092d09c55b7b9118_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2025-01-17_2ceb24afa6d55763092d09c55b7b9118_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "1"	2025-01-17_2ceb24afa6d55763092d09c55b7b9118_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	2025-01-17_2ceb24afa6d55763092d09c55b7b9118_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad	2025-01-17_2ceb24afa6d55763092d09c55b7b9118_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\4a-32-8d-47-9f-21	2025-01-17_2ceb24afa6d55763092d09c55b7b9118_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\4a-32-8d-47-9f-21\WpadDecisionReason = "1"	2025-01-17_2ceb24afa6d55763092d09c55b7b9118_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	2025-01-17_2ceb24afa6d55763092d09c55b7b9118_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "0"	2025-01-17_2ceb24afa6d55763092d09c55b7b9118_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2025-01-17_2ceb24afa6d55763092d09c55b7b9118_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2025-01-17_2ceb24afa6d55763092d09c55b7b9118_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:2368
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:2344

C:\Users\Admin\AppData\Local\Temp\2025-01-17_2ceb24afa6d55763092d09c55b7b9118_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2025-01-17_2ceb24afa6d55763092d09c55b7b9118_wannacry.exe -m security
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:548

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

Replay Monitor

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Downloads

C:\Windows\tasksche.exe

Filesize
3.4MB

MD5
70e2a2b3a0bd1e217b2f6039f9d411d8

SHA1
29fc4056c5a42901c473d8e5974104265e13868f

SHA256
97d5a88f68a9f74800f2c070fb1484ba1796e9cd31fe93824a8e2e39bc930291

SHA512
0cc2726f4f627cad46e6db2f0568bb823c56f37c3019533dd8b4fb3dc50407cef63621eec75a67e60401990a25de1932aba7dba21e8d7911545b4db9637d131d

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Analysis

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