wannacry | f4f943e26ed468a361e096243c593d3e732c493fa5400fabe8ecf423381dc59d

General

Target

d5c6e55b4a240a7fbc2e8ff6aa1841c5_JaffaCakes118.exe
Size

3.6MB
MD5

d5c6e55b4a240a7fbc2e8ff6aa1841c5
SHA1

d9a6313e02962a4c23b9545c020e6d5f2412bf4f
SHA256

f4f943e26ed468a361e096243c593d3e732c493fa5400fabe8ecf423381dc59d
SHA512

4500390ffd2facfa0d66077467a36a1288b51861d358296c6a0d1dbb77356c6f7d80caf15db07c4ff9f1a41b484628e7fb4963d6a57e44c20d7b7ab9b766f226
SSDEEP

98304:yDqPophz1aRxcSUDk36SAEdhvxWa9P593N:yDqPu1Cxcxk3ZAEUadzN

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3323) 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
2240	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	d5c6e55b4a240a7fbc2e8ff6aa1841c5_JaffaCakes118.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\WINDOWS\tasksche.exe	d5c6e55b4a240a7fbc2e8ff6aa1841c5_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	d5c6e55b4a240a7fbc2e8ff6aa1841c5_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	d5c6e55b4a240a7fbc2e8ff6aa1841c5_JaffaCakes118.exe

Modifies data under HKEY_USERS 24 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections	d5c6e55b4a240a7fbc2e8ff6aa1841c5_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	d5c6e55b4a240a7fbc2e8ff6aa1841c5_JaffaCakes118.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f0063000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	d5c6e55b4a240a7fbc2e8ff6aa1841c5_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{51B24FBF-E063-47F7-9EDD-7E268A50CF3E}\WpadDecision = "0"	d5c6e55b4a240a7fbc2e8ff6aa1841c5_JaffaCakes118.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\e2-cf-9c-f0-a2-65	d5c6e55b4a240a7fbc2e8ff6aa1841c5_JaffaCakes118.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	d5c6e55b4a240a7fbc2e8ff6aa1841c5_JaffaCakes118.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	d5c6e55b4a240a7fbc2e8ff6aa1841c5_JaffaCakes118.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad	d5c6e55b4a240a7fbc2e8ff6aa1841c5_JaffaCakes118.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	d5c6e55b4a240a7fbc2e8ff6aa1841c5_JaffaCakes118.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings	d5c6e55b4a240a7fbc2e8ff6aa1841c5_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0"	d5c6e55b4a240a7fbc2e8ff6aa1841c5_JaffaCakes118.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	d5c6e55b4a240a7fbc2e8ff6aa1841c5_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "0"	d5c6e55b4a240a7fbc2e8ff6aa1841c5_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	d5c6e55b4a240a7fbc2e8ff6aa1841c5_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	d5c6e55b4a240a7fbc2e8ff6aa1841c5_JaffaCakes118.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{51B24FBF-E063-47F7-9EDD-7E268A50CF3E}	d5c6e55b4a240a7fbc2e8ff6aa1841c5_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{51B24FBF-E063-47F7-9EDD-7E268A50CF3E}\WpadNetworkName = "Network 3"	d5c6e55b4a240a7fbc2e8ff6aa1841c5_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\e2-cf-9c-f0-a2-65\WpadDecisionReason = "1"	d5c6e55b4a240a7fbc2e8ff6aa1841c5_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "1"	d5c6e55b4a240a7fbc2e8ff6aa1841c5_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{51B24FBF-E063-47F7-9EDD-7E268A50CF3E}\WpadDecisionReason = "1"	d5c6e55b4a240a7fbc2e8ff6aa1841c5_JaffaCakes118.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{51B24FBF-E063-47F7-9EDD-7E268A50CF3E}\WpadDecisionTime = d03402308002db01	d5c6e55b4a240a7fbc2e8ff6aa1841c5_JaffaCakes118.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{51B24FBF-E063-47F7-9EDD-7E268A50CF3E}\e2-cf-9c-f0-a2-65	d5c6e55b4a240a7fbc2e8ff6aa1841c5_JaffaCakes118.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\e2-cf-9c-f0-a2-65\WpadDecisionTime = d03402308002db01	d5c6e55b4a240a7fbc2e8ff6aa1841c5_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\e2-cf-9c-f0-a2-65\WpadDecision = "0"	d5c6e55b4a240a7fbc2e8ff6aa1841c5_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\d5c6e55b4a240a7fbc2e8ff6aa1841c5_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\d5c6e55b4a240a7fbc2e8ff6aa1841c5_JaffaCakes118.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:2616
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:2240

C:\Users\Admin\AppData\Local\Temp\d5c6e55b4a240a7fbc2e8ff6aa1841c5_JaffaCakes118.exe
C:\Users\Admin\AppData\Local\Temp\d5c6e55b4a240a7fbc2e8ff6aa1841c5_JaffaCakes118.exe -m security
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:2456

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

Loading Replay Monitor...

Downloads

C:\Windows\tasksche.exe

Filesize
3.4MB

MD5
7063ddaee9683f133aba18902bc459b6

SHA1
3acca6740bdef00971c6d770633da692bd329fa2

SHA256
2b32dafb9194d083013f0101bc5436fd47235b9201bce3407121aa5ebe10a7f8

SHA512
07ab0cc65cad47837fabdf72124d246b84fc0d8787ba66de56e611df61348d15adce6b4df85c26e74b22e80de816e61209d36ad42e86fd5ad1bad29cb216efe9

Download Submit

Analysis

Sharing