wannacry | 9c9b598510b57c3b26563b19478414b3ca3e0ad8979f4cd03be9eb85777bf20a

General

Target

2024-07-04_b96d96addb4a9c9e3a655a962ef30232_wannacry.exe
Size

5.0MB
MD5

b96d96addb4a9c9e3a655a962ef30232
SHA1

7eafe7ecd5ea882bf3d98498a54ae613242c6fca
SHA256

9c9b598510b57c3b26563b19478414b3ca3e0ad8979f4cd03be9eb85777bf20a
SHA512

712890b8d8e9cf96c9b2bd64f42fab1f79cdaf947e76519a81be0ef495fd9188dfcf1615d780f156e6b56483b3c9433a700e68a299f4a9e02bb994aba6527a13
SSDEEP

49152:2nAQqMSPbcBVQej/N6SAARdhnvxJM0H9PAMEcaEau37:yDqPoBhzN6SAEdhvxWa9P5937

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3318) 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
2688	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	2024-07-04_b96d96addb4a9c9e3a655a962ef30232_wannacry.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\WINDOWS\tasksche.exe	2024-07-04_b96d96addb4a9c9e3a655a962ef30232_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	2024-07-04_b96d96addb4a9c9e3a655a962ef30232_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "1"	2024-07-04_b96d96addb4a9c9e3a655a962ef30232_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	2024-07-04_b96d96addb4a9c9e3a655a962ef30232_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\b2-c7-e5-d8-2a-4a\WpadDecision = "0"	2024-07-04_b96d96addb4a9c9e3a655a962ef30232_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad	2024-07-04_b96d96addb4a9c9e3a655a962ef30232_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{35C3A577-F0CC-4CFC-AFB2-73DBBE00DD88}\b2-c7-e5-d8-2a-4a	2024-07-04_b96d96addb4a9c9e3a655a962ef30232_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	2024-07-04_b96d96addb4a9c9e3a655a962ef30232_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-07-04_b96d96addb4a9c9e3a655a962ef30232_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-07-04_b96d96addb4a9c9e3a655a962ef30232_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	2024-07-04_b96d96addb4a9c9e3a655a962ef30232_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{35C3A577-F0CC-4CFC-AFB2-73DBBE00DD88}\WpadDecision = "0"	2024-07-04_b96d96addb4a9c9e3a655a962ef30232_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\b2-c7-e5-d8-2a-4a	2024-07-04_b96d96addb4a9c9e3a655a962ef30232_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections	2024-07-04_b96d96addb4a9c9e3a655a962ef30232_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0"	2024-07-04_b96d96addb4a9c9e3a655a962ef30232_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	2024-07-04_b96d96addb4a9c9e3a655a962ef30232_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{35C3A577-F0CC-4CFC-AFB2-73DBBE00DD88}	2024-07-04_b96d96addb4a9c9e3a655a962ef30232_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{35C3A577-F0CC-4CFC-AFB2-73DBBE00DD88}\WpadDecisionTime = 5012224810ceda01	2024-07-04_b96d96addb4a9c9e3a655a962ef30232_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{35C3A577-F0CC-4CFC-AFB2-73DBBE00DD88}\WpadNetworkName = "Network 3"	2024-07-04_b96d96addb4a9c9e3a655a962ef30232_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\b2-c7-e5-d8-2a-4a\WpadDecisionReason = "1"	2024-07-04_b96d96addb4a9c9e3a655a962ef30232_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\b2-c7-e5-d8-2a-4a\WpadDecisionTime = 5012224810ceda01	2024-07-04_b96d96addb4a9c9e3a655a962ef30232_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings	2024-07-04_b96d96addb4a9c9e3a655a962ef30232_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "0"	2024-07-04_b96d96addb4a9c9e3a655a962ef30232_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f00be000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-07-04_b96d96addb4a9c9e3a655a962ef30232_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{35C3A577-F0CC-4CFC-AFB2-73DBBE00DD88}\WpadDecisionReason = "1"	2024-07-04_b96d96addb4a9c9e3a655a962ef30232_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-07-04_b96d96addb4a9c9e3a655a962ef30232_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-07-04_b96d96addb4a9c9e3a655a962ef30232_wannacry.exe"
1⤵
- Drops file in Windows directory
PID:2208
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:2688

C:\Users\Admin\AppData\Local\Temp\2024-07-04_b96d96addb4a9c9e3a655a962ef30232_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-07-04_b96d96addb4a9c9e3a655a962ef30232_wannacry.exe -m security
1⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
PID:2024

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Windows\tasksche.exe

Filesize
3.4MB

MD5
21eff63a34491b44dacf0bf468af8124

SHA1
168264c2da61f1f09eb14978415aaa9edee9601f

SHA256
08cb6b6626aaf11dd58905d269677fd8b33fd978e3cea7108a7a100090ca663b

SHA512
6fdca68baf81599cea1ccee5951c3db3d9fd9f904aff76c270f27cb58c09f2200faafbcca7bd48d143fdf165893b4f44c9ae4845aa6185c061fd8bad91766292

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Analysis

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