wannacry | 26eebe4267523f0fd8e6ab6a857be45909cc88240e93549b6089921313dedf8e

General

Target
26eebe4267523f0fd8e6ab6a857be45909cc88240e93549b6089921313dedf8e.exe
Size 3.6MB
Sample221010-sdbxdscebk
SHA256 26eebe4267523f0fd8e6ab6a857be45909cc88240e93549b6089921313dedf8e
MD5 b6aeab8b14c4279100d7f14b78dc4ec5
SHA1 887fc185484327153b63d5d356fe3a5eaebf105c
SHA512 02f032620b17637a584bc8b4e2e2f5ec584588f123ea24d53dbceaecf7665e996e9b658bdd6bf5eac0159de20299ee04922104d4fb9ac8eefd35bc364424aad0
SSDEEP 98304:yDqPoBU1aRxcSUDk36SAEdhvxWa9P593R8yAVp2HI:yDqPT1Cxcxk3ZAEUadzR8yc4HI
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 (1124) 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
1204	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	26eebe4267523f0fd8e6ab6a857be45909cc88240e93549b6089921313dedf8e.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\WINDOWS\tasksche.exe	26eebe4267523f0fd8e6ab6a857be45909cc88240e93549b6089921313dedf8e.exe

Modifies data under HKEY_USERS 24 IoCs

description	ioc	Process
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\7a-76-83-60-f3-cf\WpadDecision = "0"	26eebe4267523f0fd8e6ab6a857be45909cc88240e93549b6089921313dedf8e.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	26eebe4267523f0fd8e6ab6a857be45909cc88240e93549b6089921313dedf8e.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	26eebe4267523f0fd8e6ab6a857be45909cc88240e93549b6089921313dedf8e.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{C658C486-C8CD-4B32-8C71-E3A2DCA9AC3C}\WpadDecisionTime = 004c33d2c9dcd801	26eebe4267523f0fd8e6ab6a857be45909cc88240e93549b6089921313dedf8e.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{C658C486-C8CD-4B32-8C71-E3A2DCA9AC3C}\WpadDecision = "0"	26eebe4267523f0fd8e6ab6a857be45909cc88240e93549b6089921313dedf8e.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\7a-76-83-60-f3-cf	26eebe4267523f0fd8e6ab6a857be45909cc88240e93549b6089921313dedf8e.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{C658C486-C8CD-4B32-8C71-E3A2DCA9AC3C}\7a-76-83-60-f3-cf	26eebe4267523f0fd8e6ab6a857be45909cc88240e93549b6089921313dedf8e.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\7a-76-83-60-f3-cf\WpadDecisionTime = 004c33d2c9dcd801	26eebe4267523f0fd8e6ab6a857be45909cc88240e93549b6089921313dedf8e.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections	26eebe4267523f0fd8e6ab6a857be45909cc88240e93549b6089921313dedf8e.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	26eebe4267523f0fd8e6ab6a857be45909cc88240e93549b6089921313dedf8e.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings	26eebe4267523f0fd8e6ab6a857be45909cc88240e93549b6089921313dedf8e.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad	26eebe4267523f0fd8e6ab6a857be45909cc88240e93549b6089921313dedf8e.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f0083000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	26eebe4267523f0fd8e6ab6a857be45909cc88240e93549b6089921313dedf8e.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{C658C486-C8CD-4B32-8C71-E3A2DCA9AC3C}\WpadDecisionReason = "1"	26eebe4267523f0fd8e6ab6a857be45909cc88240e93549b6089921313dedf8e.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	26eebe4267523f0fd8e6ab6a857be45909cc88240e93549b6089921313dedf8e.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0"	26eebe4267523f0fd8e6ab6a857be45909cc88240e93549b6089921313dedf8e.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	26eebe4267523f0fd8e6ab6a857be45909cc88240e93549b6089921313dedf8e.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "1"	26eebe4267523f0fd8e6ab6a857be45909cc88240e93549b6089921313dedf8e.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{C658C486-C8CD-4B32-8C71-E3A2DCA9AC3C}	26eebe4267523f0fd8e6ab6a857be45909cc88240e93549b6089921313dedf8e.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{C658C486-C8CD-4B32-8C71-E3A2DCA9AC3C}\WpadNetworkName = "Network 3"	26eebe4267523f0fd8e6ab6a857be45909cc88240e93549b6089921313dedf8e.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "0"	26eebe4267523f0fd8e6ab6a857be45909cc88240e93549b6089921313dedf8e.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	26eebe4267523f0fd8e6ab6a857be45909cc88240e93549b6089921313dedf8e.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	26eebe4267523f0fd8e6ab6a857be45909cc88240e93549b6089921313dedf8e.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\7a-76-83-60-f3-cf\WpadDecisionReason = "1"	26eebe4267523f0fd8e6ab6a857be45909cc88240e93549b6089921313dedf8e.exe

C:\Users\Admin\AppData\Local\Temp\26eebe4267523f0fd8e6ab6a857be45909cc88240e93549b6089921313dedf8e.exe
"C:\Users\Admin\AppData\Local\Temp\26eebe4267523f0fd8e6ab6a857be45909cc88240e93549b6089921313dedf8e.exe"
1⤵
- Drops file in Windows directory
PID:784
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:1204

C:\Users\Admin\AppData\Local\Temp\26eebe4267523f0fd8e6ab6a857be45909cc88240e93549b6089921313dedf8e.exe
C:\Users\Admin\AppData\Local\Temp\26eebe4267523f0fd8e6ab6a857be45909cc88240e93549b6089921313dedf8e.exe -m security
1⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
PID:2000

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 adf176fbc103224e03665925264d7388d8bcd406a3f61981e43b4732304957cf
MD5 753b5844028fbc529c56adce1f2ff2c1
SHA1 3ef1b35bc5ec02adb7f87fbc4abdf1146f578b7c
SHA512 7893bb596552724151c578a67ba852998e9ca33e1f812506ae0163e479591865d245060c7d6ca1a6ddae0de049a3e91803599b9f9268a11f4105c4843b7f7fe1
SSDEEP 98304:QqPoBU1aRxcSUDk36SAEdhvxWa9P593R8yAVp2Hj:QqPT1Cxcxk3ZAEUadzR8yc4Hj
MD5 SHA1 SHA512 SSDEEP

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memory/784-54-0x0000000075FC1000-0x0000000075FC3000-memory.dmp

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