wannacry | 54c2217a8c6c215e200511c9282616c0aecbd1fef6d86cdb9b9c748a29c068ad

General

Target

2024-09-27_72b6bafdd609c3b34aa269b31c3599c5_wannacry.exe
Size

3.6MB
MD5

72b6bafdd609c3b34aa269b31c3599c5
SHA1

093c0fa8cbfe390d95af45734c36a9c1997756d9
SHA256

54c2217a8c6c215e200511c9282616c0aecbd1fef6d86cdb9b9c748a29c068ad
SHA512

e9a001cc60c3aad9b5a82820c2f32dd54ce55f3daa261410a1fcdc19ce7a961f1482b2e7c099cb6ff10de5877e614f5d4e3622cdb00d261d92c968a06e45847f
SSDEEP

24576:2bLgddQhfdmMSirYbcMNgef001LJMfcH9:2nAQqMSPbcBV0xJM0H9

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3223) 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
2604	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	2024-09-27_72b6bafdd609c3b34aa269b31c3599c5_wannacry.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\WINDOWS\tasksche.exe	2024-09-27_72b6bafdd609c3b34aa269b31c3599c5_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	2024-09-27_72b6bafdd609c3b34aa269b31c3599c5_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-09-27_72b6bafdd609c3b34aa269b31c3599c5_wannacry.exe

Modifies data under HKEY_USERS 24 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{7A2692CA-C1E5-490E-AC66-E27068979F7A}	2024-09-27_72b6bafdd609c3b34aa269b31c3599c5_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{7A2692CA-C1E5-490E-AC66-E27068979F7A}\WpadDecisionTime = 803af34a0011db01	2024-09-27_72b6bafdd609c3b34aa269b31c3599c5_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\52-44-db-f6-fe-76\WpadDecision = "0"	2024-09-27_72b6bafdd609c3b34aa269b31c3599c5_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{7A2692CA-C1E5-490E-AC66-E27068979F7A}\WpadNetworkName = "Network 3"	2024-09-27_72b6bafdd609c3b34aa269b31c3599c5_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections	2024-09-27_72b6bafdd609c3b34aa269b31c3599c5_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-09-27_72b6bafdd609c3b34aa269b31c3599c5_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0"	2024-09-27_72b6bafdd609c3b34aa269b31c3599c5_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	2024-09-27_72b6bafdd609c3b34aa269b31c3599c5_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad	2024-09-27_72b6bafdd609c3b34aa269b31c3599c5_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	2024-09-27_72b6bafdd609c3b34aa269b31c3599c5_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f0069000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-09-27_72b6bafdd609c3b34aa269b31c3599c5_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{7A2692CA-C1E5-490E-AC66-E27068979F7A}\WpadDecisionReason = "1"	2024-09-27_72b6bafdd609c3b34aa269b31c3599c5_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	2024-09-27_72b6bafdd609c3b34aa269b31c3599c5_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings	2024-09-27_72b6bafdd609c3b34aa269b31c3599c5_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-09-27_72b6bafdd609c3b34aa269b31c3599c5_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "0"	2024-09-27_72b6bafdd609c3b34aa269b31c3599c5_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	2024-09-27_72b6bafdd609c3b34aa269b31c3599c5_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\52-44-db-f6-fe-76\WpadDecisionReason = "1"	2024-09-27_72b6bafdd609c3b34aa269b31c3599c5_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\52-44-db-f6-fe-76\WpadDecisionTime = 803af34a0011db01	2024-09-27_72b6bafdd609c3b34aa269b31c3599c5_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-09-27_72b6bafdd609c3b34aa269b31c3599c5_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "1"	2024-09-27_72b6bafdd609c3b34aa269b31c3599c5_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{7A2692CA-C1E5-490E-AC66-E27068979F7A}\WpadDecision = "0"	2024-09-27_72b6bafdd609c3b34aa269b31c3599c5_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\52-44-db-f6-fe-76	2024-09-27_72b6bafdd609c3b34aa269b31c3599c5_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{7A2692CA-C1E5-490E-AC66-E27068979F7A}\52-44-db-f6-fe-76	2024-09-27_72b6bafdd609c3b34aa269b31c3599c5_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-09-27_72b6bafdd609c3b34aa269b31c3599c5_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-09-27_72b6bafdd609c3b34aa269b31c3599c5_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:2216
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:2604

C:\Users\Admin\AppData\Local\Temp\2024-09-27_72b6bafdd609c3b34aa269b31c3599c5_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-09-27_72b6bafdd609c3b34aa269b31c3599c5_wannacry.exe -m security
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:2724

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
c26601d3afe5ac3e639a579666e2f877

SHA1
96c6063af8b33eca1bb5465257a3717633c490d6

SHA256
7bb3968a5be1256ee2b252af8c8d22bf5c546c8650e91669596498b631dbb2ef

SHA512
2e26c8cfb5e73e2c5b55e795b597022422dc9469084dc39ae24a60046bff66c70b0958861f534d3b3756051bfe435a6d11c7764d84430b34038a857b02d35a32

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Analysis

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