wannacry | 67bfe3dffaa83f835b6ca8dd49d0c990a89cd518700830e7263cc7351329a13c

General

Target
2f6cfb7f48e804959628066fb7469617.exe
Size 3.6MB
Sample221004-x4tmcacbb9
SHA256 67bfe3dffaa83f835b6ca8dd49d0c990a89cd518700830e7263cc7351329a13c
MD5 2f6cfb7f48e804959628066fb7469617
SHA1 cde854383d4d04560c2696f61672f24f111511ee
SHA512 03430666f1c2e10738e9df781674a657a2c059f426e640bb02ad3dea10e5bc1104f5af79c4762a71f7760ba617d94bf931a4fedab4a2bb0270c6685707f18a29
SSDEEP 98304:oDqPoBhz1aRxcSUDk36SAEdhvxWa9P593R8yAVp2HVO:oDqPe1Cxcxk3ZAEUadzR8yc4HVO
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (1029) amount of remote hosts 1 TTPs
This may indicate a network scan to discover remotely running services.
discovery

Network Service Scanning
T1046

Executes dropped EXE 1 IoCs

pid	Process
1692	tasksche.exe

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	2f6cfb7f48e804959628066fb7469617.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\WINDOWS\tasksche.exe	2f6cfb7f48e804959628066fb7469617.exe

Modifies data under HKEY_USERS 24 IoCs

description	ioc	Process
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{4A01D085-5754-48FB-972D-8E7ADC1DF6F8}\WpadDecisionReason = "1"	2f6cfb7f48e804959628066fb7469617.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{4A01D085-5754-48FB-972D-8E7ADC1DF6F8}\f2-af-a8-72-a6-9f	2f6cfb7f48e804959628066fb7469617.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\f2-af-a8-72-a6-9f\WpadDecisionReason = "1"	2f6cfb7f48e804959628066fb7469617.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0"	2f6cfb7f48e804959628066fb7469617.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2f6cfb7f48e804959628066fb7469617.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	2f6cfb7f48e804959628066fb7469617.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f0009000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2f6cfb7f48e804959628066fb7469617.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{4A01D085-5754-48FB-972D-8E7ADC1DF6F8}	2f6cfb7f48e804959628066fb7469617.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{4A01D085-5754-48FB-972D-8E7ADC1DF6F8}\WpadDecision = "0"	2f6cfb7f48e804959628066fb7469617.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{4A01D085-5754-48FB-972D-8E7ADC1DF6F8}\WpadNetworkName = "Network 2"	2f6cfb7f48e804959628066fb7469617.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\f2-af-a8-72-a6-9f\WpadDecision = "0"	2f6cfb7f48e804959628066fb7469617.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings	2f6cfb7f48e804959628066fb7469617.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2f6cfb7f48e804959628066fb7469617.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "0"	2f6cfb7f48e804959628066fb7469617.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "1"	2f6cfb7f48e804959628066fb7469617.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{4A01D085-5754-48FB-972D-8E7ADC1DF6F8}\WpadDecisionTime = 3032820338d8d801	2f6cfb7f48e804959628066fb7469617.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	2f6cfb7f48e804959628066fb7469617.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections	2f6cfb7f48e804959628066fb7469617.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	2f6cfb7f48e804959628066fb7469617.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\f2-af-a8-72-a6-9f	2f6cfb7f48e804959628066fb7469617.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\f2-af-a8-72-a6-9f\WpadDecisionTime = 3032820338d8d801	2f6cfb7f48e804959628066fb7469617.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2f6cfb7f48e804959628066fb7469617.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	2f6cfb7f48e804959628066fb7469617.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad	2f6cfb7f48e804959628066fb7469617.exe

C:\Users\Admin\AppData\Local\Temp\2f6cfb7f48e804959628066fb7469617.exe
"C:\Users\Admin\AppData\Local\Temp\2f6cfb7f48e804959628066fb7469617.exe"
1⤵
- Drops file in Windows directory
PID:1800
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:1692

C:\Users\Admin\AppData\Local\Temp\2f6cfb7f48e804959628066fb7469617.exe
C:\Users\Admin\AppData\Local\Temp\2f6cfb7f48e804959628066fb7469617.exe -m security
1⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
PID:1232

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Network Service Scanning

1

T1046

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

tasksche.exe

Path C:\Windows\tasksche.exe
Size 3.4MB
SHA256 2584e1521065e45ec3c17767c065429038fc6291c091097ea8b22c8a502c41dd
MD5 7f7ccaa16fb15eb1c7399d422f8363e8
SHA1 bd44d0ab543bf814d93b719c24e90d8dd7111234
SHA512 83e334b80de08903cfa9891a3fa349c1ece7e19f8e62b74a017512fa9a7989a0fd31929bf1fc13847bee04f2da3dacf6bc3f5ee58f0e4b9d495f4b9af12ed2b7
SSDEEP 98304:QqPoBhz1aRxcSUDk36SAEdhvxWa9P593R8yAVp2Hj:QqPe1Cxcxk3ZAEUadzR8yc4Hj
MD5 SHA1 SHA512 SSDEEP

Submit Download

memory/1232-59-0x0000000000400000-0x0000000000A72000-memory.dmp

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memory/1232-60-0x0000000000400000-0x0000000000A72000-memory.dmp

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memory/1800-54-0x00000000758C1000-0x00000000758C3000-memory.dmp

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memory/1800-55-0x0000000000400000-0x0000000000A72000-memory.dmp

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memory/1800-58-0x0000000000400000-0x0000000000A72000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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