wannacry | 34c8d6cdbde0cda9286ccdacef9a3f742fb4b75a18b41f62d3f7025cf46f9a66

General

Target

e0a7b82f291e40469a9ebd046ef65a1c_JaffaCakes118.exe
Size

3.6MB
MD5

e0a7b82f291e40469a9ebd046ef65a1c
SHA1

ecdb4f1d9fdf14362993ee2c2bad74cf23e51f32
SHA256

34c8d6cdbde0cda9286ccdacef9a3f742fb4b75a18b41f62d3f7025cf46f9a66
SHA512

81e64bd4c98989b11963514bbd9386339f28df4685c340d54f26c150008eb8f3c3f36a0a5a1846bc07854fa3ca722e9def4dd6f41cbe005faa1d56bd438f1349
SSDEEP

98304:XDqPoBhPxcSUDk36SAEdhvxWa9P593R8yAVp2HI:XDqPmxcxk3ZAEUadzR8yc4HI

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3285) 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
2296	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	e0a7b82f291e40469a9ebd046ef65a1c_JaffaCakes118.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\WINDOWS\tasksche.exe	e0a7b82f291e40469a9ebd046ef65a1c_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	e0a7b82f291e40469a9ebd046ef65a1c_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	e0a7b82f291e40469a9ebd046ef65a1c_JaffaCakes118.exe

Modifies data under HKEY_USERS 24 IoCs

description	ioc	Process
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\02-cb-ae-0f-6b-d7\WpadDecisionReason = "1"	e0a7b82f291e40469a9ebd046ef65a1c_JaffaCakes118.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\02-cb-ae-0f-6b-d7\WpadDecisionTime = 00818b27ca06db01	e0a7b82f291e40469a9ebd046ef65a1c_JaffaCakes118.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	e0a7b82f291e40469a9ebd046ef65a1c_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0"	e0a7b82f291e40469a9ebd046ef65a1c_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	e0a7b82f291e40469a9ebd046ef65a1c_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{EE086C78-767A-4CFD-B262-ADE8BDF94FAF}\WpadDecision = "0"	e0a7b82f291e40469a9ebd046ef65a1c_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	e0a7b82f291e40469a9ebd046ef65a1c_JaffaCakes118.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\02-cb-ae-0f-6b-d7	e0a7b82f291e40469a9ebd046ef65a1c_JaffaCakes118.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	e0a7b82f291e40469a9ebd046ef65a1c_JaffaCakes118.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings	e0a7b82f291e40469a9ebd046ef65a1c_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "0"	e0a7b82f291e40469a9ebd046ef65a1c_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "1"	e0a7b82f291e40469a9ebd046ef65a1c_JaffaCakes118.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{EE086C78-767A-4CFD-B262-ADE8BDF94FAF}\WpadDecisionTime = 00818b27ca06db01	e0a7b82f291e40469a9ebd046ef65a1c_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{EE086C78-767A-4CFD-B262-ADE8BDF94FAF}\WpadNetworkName = "Network 3"	e0a7b82f291e40469a9ebd046ef65a1c_JaffaCakes118.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{EE086C78-767A-4CFD-B262-ADE8BDF94FAF}\02-cb-ae-0f-6b-d7	e0a7b82f291e40469a9ebd046ef65a1c_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\02-cb-ae-0f-6b-d7\WpadDecision = "0"	e0a7b82f291e40469a9ebd046ef65a1c_JaffaCakes118.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections	e0a7b82f291e40469a9ebd046ef65a1c_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	e0a7b82f291e40469a9ebd046ef65a1c_JaffaCakes118.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad	e0a7b82f291e40469a9ebd046ef65a1c_JaffaCakes118.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{EE086C78-767A-4CFD-B262-ADE8BDF94FAF}	e0a7b82f291e40469a9ebd046ef65a1c_JaffaCakes118.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	e0a7b82f291e40469a9ebd046ef65a1c_JaffaCakes118.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	e0a7b82f291e40469a9ebd046ef65a1c_JaffaCakes118.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f0198000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	e0a7b82f291e40469a9ebd046ef65a1c_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{EE086C78-767A-4CFD-B262-ADE8BDF94FAF}\WpadDecisionReason = "1"	e0a7b82f291e40469a9ebd046ef65a1c_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\e0a7b82f291e40469a9ebd046ef65a1c_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\e0a7b82f291e40469a9ebd046ef65a1c_JaffaCakes118.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:2944
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:2296

C:\Users\Admin\AppData\Local\Temp\e0a7b82f291e40469a9ebd046ef65a1c_JaffaCakes118.exe
C:\Users\Admin\AppData\Local\Temp\e0a7b82f291e40469a9ebd046ef65a1c_JaffaCakes118.exe -m security
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:1916

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
b565bb7103736c6ac690b7e5203648d4

SHA1
7e17b32808e4c321ce4de6539e13a0af31938650

SHA256
ead0d29f07b0a1c1c7aba30eb2ba666d7b79603e33c1eb1cace81e88dda8f493

SHA512
cbd5cc16ca6985fa263195cda3857f5feec4940a84bebbb889bda4e00d4d64f46881e9895789717e92e0e2621c4f46336c24749863dac5de821f3ea135faeee6

Download Submit

Analysis

Sharing