wannacry | 922a4999ce57802552d5bceae197845fcd31b5080090591e07a87e86b1795ee9

General

Target

ec45b96dfcc19ef968b29b0c9f12b05b_JaffaCakes118.exe
Size

3.6MB
MD5

ec45b96dfcc19ef968b29b0c9f12b05b
SHA1

d59980d58eca3edd90c77541d1c875268af505bc
SHA256

922a4999ce57802552d5bceae197845fcd31b5080090591e07a87e86b1795ee9
SHA512

efd08135e6024f1cdffcd2b710f3684a743c0896575838b0d09e8c5fa839edea9e49e59818a72a4ea61803e5081ced7d0b52711bbd78bbe7ab88adfbd5316283
SSDEEP

98304:ZDqPoBhz1aRxcSU36SAEdhvxWa9c593R8yAVp2HI:ZDqPe1Cxc5ZAEUaCzR8yc4HI

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3329) 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
2684	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	ec45b96dfcc19ef968b29b0c9f12b05b_JaffaCakes118.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\WINDOWS\tasksche.exe	ec45b96dfcc19ef968b29b0c9f12b05b_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	ec45b96dfcc19ef968b29b0c9f12b05b_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ec45b96dfcc19ef968b29b0c9f12b05b_JaffaCakes118.exe

Modifies data under HKEY_USERS 24 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad	ec45b96dfcc19ef968b29b0c9f12b05b_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{9174E6ED-9E4B-4C4D-B99A-77BD2D1DE58C}\WpadDecisionReason = "1"	ec45b96dfcc19ef968b29b0c9f12b05b_JaffaCakes118.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\fe-29-98-08-e9-ca	ec45b96dfcc19ef968b29b0c9f12b05b_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0"	ec45b96dfcc19ef968b29b0c9f12b05b_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "0"	ec45b96dfcc19ef968b29b0c9f12b05b_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	ec45b96dfcc19ef968b29b0c9f12b05b_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	ec45b96dfcc19ef968b29b0c9f12b05b_JaffaCakes118.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{9174E6ED-9E4B-4C4D-B99A-77BD2D1DE58C}	ec45b96dfcc19ef968b29b0c9f12b05b_JaffaCakes118.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{9174E6ED-9E4B-4C4D-B99A-77BD2D1DE58C}\WpadDecisionTime = d003407adf0adb01	ec45b96dfcc19ef968b29b0c9f12b05b_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{9174E6ED-9E4B-4C4D-B99A-77BD2D1DE58C}\WpadDecision = "0"	ec45b96dfcc19ef968b29b0c9f12b05b_JaffaCakes118.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections	ec45b96dfcc19ef968b29b0c9f12b05b_JaffaCakes118.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings	ec45b96dfcc19ef968b29b0c9f12b05b_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	ec45b96dfcc19ef968b29b0c9f12b05b_JaffaCakes118.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f00af000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	ec45b96dfcc19ef968b29b0c9f12b05b_JaffaCakes118.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{9174E6ED-9E4B-4C4D-B99A-77BD2D1DE58C}\fe-29-98-08-e9-ca	ec45b96dfcc19ef968b29b0c9f12b05b_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\fe-29-98-08-e9-ca\WpadDecisionReason = "1"	ec45b96dfcc19ef968b29b0c9f12b05b_JaffaCakes118.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\fe-29-98-08-e9-ca\WpadDecisionTime = d003407adf0adb01	ec45b96dfcc19ef968b29b0c9f12b05b_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\fe-29-98-08-e9-ca\WpadDecision = "0"	ec45b96dfcc19ef968b29b0c9f12b05b_JaffaCakes118.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	ec45b96dfcc19ef968b29b0c9f12b05b_JaffaCakes118.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	ec45b96dfcc19ef968b29b0c9f12b05b_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "1"	ec45b96dfcc19ef968b29b0c9f12b05b_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{9174E6ED-9E4B-4C4D-B99A-77BD2D1DE58C}\WpadNetworkName = "Network 3"	ec45b96dfcc19ef968b29b0c9f12b05b_JaffaCakes118.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	ec45b96dfcc19ef968b29b0c9f12b05b_JaffaCakes118.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	ec45b96dfcc19ef968b29b0c9f12b05b_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\ec45b96dfcc19ef968b29b0c9f12b05b_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\ec45b96dfcc19ef968b29b0c9f12b05b_JaffaCakes118.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:2968
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:2684

C:\Users\Admin\AppData\Local\Temp\ec45b96dfcc19ef968b29b0c9f12b05b_JaffaCakes118.exe
C:\Users\Admin\AppData\Local\Temp\ec45b96dfcc19ef968b29b0c9f12b05b_JaffaCakes118.exe -m security
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:1844

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
5f44afb0641f9fee83294345749387e4

SHA1
28860fb40f34b7406d495b79fe4e09e699e2f206

SHA256
c213b03dfee398838b154f20a8e0857daf5cb5ce260a37482d313c1663c4722f

SHA512
9e655717385134fa628d684094b8357aa047d0a9101ec31a5ff202014de51d289bf2006ba8e2f47b8e6d327ddb4cbf812cd4e813570da84d1c18abdca467e5df

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Analysis

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