wannacry | eedad52a0ea9b2141fd4d2a952404901e6b06fe1b773c7891653bed557b124c4

General

Target

ec7c04d35c2286c9d7ece311567c5d9f_JaffaCakes118.exe
Size

3.6MB
MD5

ec7c04d35c2286c9d7ece311567c5d9f
SHA1

7d87103843cade4ce5b4c22a9291beec79175e13
SHA256

eedad52a0ea9b2141fd4d2a952404901e6b06fe1b773c7891653bed557b124c4
SHA512

da7c6cf3a1955de4889915f0468696f73d92b9169ab084724b9d05fe100796cc2251345a6e318a5e333ee40abbd433fb142c20332a9a74dc9d60ed97199aa0b8
SSDEEP

98304:yDqPoBhz1aRxcSUDk36SAEdhvxWa9P538yAVp2HI:yDqPe1Cxcxk3ZAEUadl8yc4HI

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3210) 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
2456	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	ec7c04d35c2286c9d7ece311567c5d9f_JaffaCakes118.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\WINDOWS\tasksche.exe	ec7c04d35c2286c9d7ece311567c5d9f_JaffaCakes118.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	ec7c04d35c2286c9d7ece311567c5d9f_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ec7c04d35c2286c9d7ece311567c5d9f_JaffaCakes118.exe

Modifies data under HKEY_USERS 24 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	ec7c04d35c2286c9d7ece311567c5d9f_JaffaCakes118.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections	ec7c04d35c2286c9d7ece311567c5d9f_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	ec7c04d35c2286c9d7ece311567c5d9f_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	ec7c04d35c2286c9d7ece311567c5d9f_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{B3C84FC9-9E7B-4A2E-91BE-E9C688CA8978}\WpadDecisionReason = "1"	ec7c04d35c2286c9d7ece311567c5d9f_JaffaCakes118.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\8a-42-25-49-20-cc\WpadDecisionTime = 2084b12df40adb01	ec7c04d35c2286c9d7ece311567c5d9f_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0"	ec7c04d35c2286c9d7ece311567c5d9f_JaffaCakes118.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{B3C84FC9-9E7B-4A2E-91BE-E9C688CA8978}	ec7c04d35c2286c9d7ece311567c5d9f_JaffaCakes118.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{B3C84FC9-9E7B-4A2E-91BE-E9C688CA8978}\WpadDecisionTime = 2084b12df40adb01	ec7c04d35c2286c9d7ece311567c5d9f_JaffaCakes118.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\8a-42-25-49-20-cc	ec7c04d35c2286c9d7ece311567c5d9f_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "1"	ec7c04d35c2286c9d7ece311567c5d9f_JaffaCakes118.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{B3C84FC9-9E7B-4A2E-91BE-E9C688CA8978}\8a-42-25-49-20-cc	ec7c04d35c2286c9d7ece311567c5d9f_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\8a-42-25-49-20-cc\WpadDecisionReason = "1"	ec7c04d35c2286c9d7ece311567c5d9f_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\8a-42-25-49-20-cc\WpadDecision = "0"	ec7c04d35c2286c9d7ece311567c5d9f_JaffaCakes118.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f0062000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	ec7c04d35c2286c9d7ece311567c5d9f_JaffaCakes118.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	ec7c04d35c2286c9d7ece311567c5d9f_JaffaCakes118.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings	ec7c04d35c2286c9d7ece311567c5d9f_JaffaCakes118.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	ec7c04d35c2286c9d7ece311567c5d9f_JaffaCakes118.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	ec7c04d35c2286c9d7ece311567c5d9f_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "0"	ec7c04d35c2286c9d7ece311567c5d9f_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	ec7c04d35c2286c9d7ece311567c5d9f_JaffaCakes118.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad	ec7c04d35c2286c9d7ece311567c5d9f_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{B3C84FC9-9E7B-4A2E-91BE-E9C688CA8978}\WpadDecision = "0"	ec7c04d35c2286c9d7ece311567c5d9f_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{B3C84FC9-9E7B-4A2E-91BE-E9C688CA8978}\WpadNetworkName = "Network 3"	ec7c04d35c2286c9d7ece311567c5d9f_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\ec7c04d35c2286c9d7ece311567c5d9f_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\ec7c04d35c2286c9d7ece311567c5d9f_JaffaCakes118.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:2348
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:2456

C:\Users\Admin\AppData\Local\Temp\ec7c04d35c2286c9d7ece311567c5d9f_JaffaCakes118.exe
C:\Users\Admin\AppData\Local\Temp\ec7c04d35c2286c9d7ece311567c5d9f_JaffaCakes118.exe -m security
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- 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

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
e68c05730b569d934ae8ef96cb9aa325

SHA1
668ba1e111db89469ce41256f8bfc36a2b2f7167

SHA256
4f6cb1e935d15a61868d021cc9c4d0762bcb6d16d782065500e172abfd69fbe4

SHA512
6bafc7076182066c36ef71e6969d67700b3b78b152139e62ccf795c4ac1125a76d8a9954424eaa598279192a13aefa580efd8a880a86d3e2ec4b469b8137d5eb

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Analysis

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