wannacry | d720fb98b515445334579ec50f8203c87cd51baba5ae9464a4a521761d7832d8

General

Target

d44442d17cb02850fe1e6f5e91e8153e_JaffaCakes118.exe
Size

3.6MB
MD5

d44442d17cb02850fe1e6f5e91e8153e
SHA1

5a3a39ff760f029f62bdbdfa7d339dc101793c80
SHA256

d720fb98b515445334579ec50f8203c87cd51baba5ae9464a4a521761d7832d8
SHA512

af8134e843f5bbc6f021974a6fd5d79fe2ba07eec153d0563d3782b32218856fe37d7f02918e8e40019bd49d4df2ec4687e0a5c3c74d7a9a1b4facd379c5a5c3
SSDEEP

98304:XDqPoBhz1aRxcSUDk36SAEdhvxWa9P593Rx2HI:XDqPe1Cxcxk3ZAEUadzRwHI

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
2768	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	d44442d17cb02850fe1e6f5e91e8153e_JaffaCakes118.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\WINDOWS\tasksche.exe	d44442d17cb02850fe1e6f5e91e8153e_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	d44442d17cb02850fe1e6f5e91e8153e_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	d44442d17cb02850fe1e6f5e91e8153e_JaffaCakes118.exe

Modifies data under HKEY_USERS 24 IoCs

description	ioc	Process
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "0"	d44442d17cb02850fe1e6f5e91e8153e_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	d44442d17cb02850fe1e6f5e91e8153e_JaffaCakes118.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad	d44442d17cb02850fe1e6f5e91e8153e_JaffaCakes118.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f0124000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	d44442d17cb02850fe1e6f5e91e8153e_JaffaCakes118.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\c6-8c-8c-d4-fb-48	d44442d17cb02850fe1e6f5e91e8153e_JaffaCakes118.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{19E34DF5-EA87-44AC-893C-2ED3E3A8D8EF}	d44442d17cb02850fe1e6f5e91e8153e_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{19E34DF5-EA87-44AC-893C-2ED3E3A8D8EF}\WpadDecision = "0"	d44442d17cb02850fe1e6f5e91e8153e_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\c6-8c-8c-d4-fb-48\WpadDecision = "0"	d44442d17cb02850fe1e6f5e91e8153e_JaffaCakes118.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	d44442d17cb02850fe1e6f5e91e8153e_JaffaCakes118.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	d44442d17cb02850fe1e6f5e91e8153e_JaffaCakes118.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	d44442d17cb02850fe1e6f5e91e8153e_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "1"	d44442d17cb02850fe1e6f5e91e8153e_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	d44442d17cb02850fe1e6f5e91e8153e_JaffaCakes118.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\c6-8c-8c-d4-fb-48\WpadDecisionTime = b073c559e301db01	d44442d17cb02850fe1e6f5e91e8153e_JaffaCakes118.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	d44442d17cb02850fe1e6f5e91e8153e_JaffaCakes118.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings	d44442d17cb02850fe1e6f5e91e8153e_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0"	d44442d17cb02850fe1e6f5e91e8153e_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	d44442d17cb02850fe1e6f5e91e8153e_JaffaCakes118.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{19E34DF5-EA87-44AC-893C-2ED3E3A8D8EF}\c6-8c-8c-d4-fb-48	d44442d17cb02850fe1e6f5e91e8153e_JaffaCakes118.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections	d44442d17cb02850fe1e6f5e91e8153e_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{19E34DF5-EA87-44AC-893C-2ED3E3A8D8EF}\WpadDecisionReason = "1"	d44442d17cb02850fe1e6f5e91e8153e_JaffaCakes118.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{19E34DF5-EA87-44AC-893C-2ED3E3A8D8EF}\WpadDecisionTime = b073c559e301db01	d44442d17cb02850fe1e6f5e91e8153e_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{19E34DF5-EA87-44AC-893C-2ED3E3A8D8EF}\WpadNetworkName = "Network 3"	d44442d17cb02850fe1e6f5e91e8153e_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\c6-8c-8c-d4-fb-48\WpadDecisionReason = "1"	d44442d17cb02850fe1e6f5e91e8153e_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\d44442d17cb02850fe1e6f5e91e8153e_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\d44442d17cb02850fe1e6f5e91e8153e_JaffaCakes118.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:2324
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:2768

C:\Users\Admin\AppData\Local\Temp\d44442d17cb02850fe1e6f5e91e8153e_JaffaCakes118.exe
C:\Users\Admin\AppData\Local\Temp\d44442d17cb02850fe1e6f5e91e8153e_JaffaCakes118.exe -m security
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:2944

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

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Downloads

C:\Windows\tasksche.exe

Filesize
3.4MB

MD5
61a3b5c05a734594417a6891f158c7da

SHA1
10c8d6ce4535adfb7cd2291b63716ddf8b7bbb26

SHA256
76cbb9e74abfaca7c627d900f41c7c8c1af7f70790568fd701b09d34ab153ba9

SHA512
1e24bb735fc558b8f8a79144700df3de956a1e69fb6cd1f7c7a31d9bb23c11fdefff12cf2da4252e13012346b61c20231241d2b6df241cbcbc82b31bb6d0962e

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