wannacry | 87b656247a73d7515ce5f28e1c3a3c88b0420d1ea3bbdc5b43b0053b81a38f1d

General

Target

2025-01-30_c5e00de90a70010ae9a01ae126353799_wannacry.exe
Size

5.0MB
MD5

c5e00de90a70010ae9a01ae126353799
SHA1

e493e3e463ee1215c59a9e5786c017a7864d43c3
SHA256

87b656247a73d7515ce5f28e1c3a3c88b0420d1ea3bbdc5b43b0053b81a38f1d
SHA512

93e5f0938ab6f92efff5b2acf7204d1bd0a6ea97b74139301681289a475c36bc7fcae5ff43d1dd93d1c54fcef64ce920f60230aa5f6b326cc331982cd140ca9e
SSDEEP

98304:XDqThz1aRxcSUDk36SAEdhvxWa9P593R8yAVp2Hb:XDqV1Cxcxk3ZAEUadzR8yc4Hb

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 (3327) 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
1028	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	2025-01-30_c5e00de90a70010ae9a01ae126353799_wannacry.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\WINDOWS\tasksche.exe	2025-01-30_c5e00de90a70010ae9a01ae126353799_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	2025-01-30_c5e00de90a70010ae9a01ae126353799_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-01-30_c5e00de90a70010ae9a01ae126353799_wannacry.exe

Modifies data under HKEY_USERS 24 IoCs

description	ioc	Process
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\92-99-a7-cf-99-91\WpadDecisionReason = "1"	2025-01-30_c5e00de90a70010ae9a01ae126353799_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections	2025-01-30_c5e00de90a70010ae9a01ae126353799_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2025-01-30_c5e00de90a70010ae9a01ae126353799_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	2025-01-30_c5e00de90a70010ae9a01ae126353799_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f00c7000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2025-01-30_c5e00de90a70010ae9a01ae126353799_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\92-99-a7-cf-99-91	2025-01-30_c5e00de90a70010ae9a01ae126353799_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0"	2025-01-30_c5e00de90a70010ae9a01ae126353799_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2025-01-30_c5e00de90a70010ae9a01ae126353799_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "1"	2025-01-30_c5e00de90a70010ae9a01ae126353799_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{6918ADE6-DFB9-45FC-8FA8-ECC7E5E8A810}\WpadDecisionTime = c0e353684a73db01	2025-01-30_c5e00de90a70010ae9a01ae126353799_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{6918ADE6-DFB9-45FC-8FA8-ECC7E5E8A810}\WpadNetworkName = "Network 3"	2025-01-30_c5e00de90a70010ae9a01ae126353799_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	2025-01-30_c5e00de90a70010ae9a01ae126353799_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2025-01-30_c5e00de90a70010ae9a01ae126353799_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "0"	2025-01-30_c5e00de90a70010ae9a01ae126353799_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{6918ADE6-DFB9-45FC-8FA8-ECC7E5E8A810}	2025-01-30_c5e00de90a70010ae9a01ae126353799_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{6918ADE6-DFB9-45FC-8FA8-ECC7E5E8A810}\WpadDecisionReason = "1"	2025-01-30_c5e00de90a70010ae9a01ae126353799_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{6918ADE6-DFB9-45FC-8FA8-ECC7E5E8A810}\WpadDecision = "0"	2025-01-30_c5e00de90a70010ae9a01ae126353799_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{6918ADE6-DFB9-45FC-8FA8-ECC7E5E8A810}\92-99-a7-cf-99-91	2025-01-30_c5e00de90a70010ae9a01ae126353799_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\92-99-a7-cf-99-91\WpadDecisionTime = c0e353684a73db01	2025-01-30_c5e00de90a70010ae9a01ae126353799_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings	2025-01-30_c5e00de90a70010ae9a01ae126353799_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	2025-01-30_c5e00de90a70010ae9a01ae126353799_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	2025-01-30_c5e00de90a70010ae9a01ae126353799_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad	2025-01-30_c5e00de90a70010ae9a01ae126353799_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\92-99-a7-cf-99-91\WpadDecision = "0"	2025-01-30_c5e00de90a70010ae9a01ae126353799_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2025-01-30_c5e00de90a70010ae9a01ae126353799_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2025-01-30_c5e00de90a70010ae9a01ae126353799_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:2344
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:1028

C:\Users\Admin\AppData\Local\Temp\2025-01-30_c5e00de90a70010ae9a01ae126353799_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2025-01-30_c5e00de90a70010ae9a01ae126353799_wannacry.exe -m security
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:2460

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
db04689892805f730e9f5f0c44f379a8

SHA1
45a10041560c8ab99dc51a8b91cf56c09a4b9180

SHA256
e775adf5bb6a952ea8ecb1aedf1be5f02c637939f5676e03cd5332d2af3eaea2

SHA512
09bd4ade7a850d9e83500a6a770556dd45fa2e4bf2a403613318ad80be2a75d99737bb2c2b037e10b75f8c36eb2153e1a6420c038125ab1703e1c3519e9e7d79

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Analysis

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