wannacry | 6142210328b2d25189f3100af8c18669b5736274d34eac1113d57815840678cc

General

Target

c1b90d186718c09e492c9ae8e01bc83d_JaffaCakes118.exe
Size

3.6MB
MD5

c1b90d186718c09e492c9ae8e01bc83d
SHA1

b1151406860eeb4b12a5711aadcf36c45d52b2a3
SHA256

6142210328b2d25189f3100af8c18669b5736274d34eac1113d57815840678cc
SHA512

14b26d6e3fc853e9cd9eae50ca547ca4206a0e6a5c799eb458594e329ed4066b71e368a9b9cefcaf3e022ee8101275fd4f3c620699dc10bae662b3f7b3d74169
SSDEEP

49152:2nAQqMSPbcBVQej/1INRx+TSqTdX1HkQo6SA:yDqPoBhz1aRxcSUDk36SA

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3096) 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
2112	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	c1b90d186718c09e492c9ae8e01bc83d_JaffaCakes118.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\WINDOWS\tasksche.exe	c1b90d186718c09e492c9ae8e01bc83d_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	c1b90d186718c09e492c9ae8e01bc83d_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	c1b90d186718c09e492c9ae8e01bc83d_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\{F9932C3C-9694-446E-BCAD-F9D0361EFF47}\WpadDecision = "0"	c1b90d186718c09e492c9ae8e01bc83d_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\3a-43-01-d2-50-13\WpadDecision = "0"	c1b90d186718c09e492c9ae8e01bc83d_JaffaCakes118.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings	c1b90d186718c09e492c9ae8e01bc83d_JaffaCakes118.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	c1b90d186718c09e492c9ae8e01bc83d_JaffaCakes118.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad	c1b90d186718c09e492c9ae8e01bc83d_JaffaCakes118.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f00ef000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	c1b90d186718c09e492c9ae8e01bc83d_JaffaCakes118.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{F9932C3C-9694-446E-BCAD-F9D0361EFF47}	c1b90d186718c09e492c9ae8e01bc83d_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{F9932C3C-9694-446E-BCAD-F9D0361EFF47}\WpadDecisionReason = "1"	c1b90d186718c09e492c9ae8e01bc83d_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{F9932C3C-9694-446E-BCAD-F9D0361EFF47}\WpadNetworkName = "Network 3"	c1b90d186718c09e492c9ae8e01bc83d_JaffaCakes118.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\3a-43-01-d2-50-13	c1b90d186718c09e492c9ae8e01bc83d_JaffaCakes118.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	c1b90d186718c09e492c9ae8e01bc83d_JaffaCakes118.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections	c1b90d186718c09e492c9ae8e01bc83d_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	c1b90d186718c09e492c9ae8e01bc83d_JaffaCakes118.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{F9932C3C-9694-446E-BCAD-F9D0361EFF47}\WpadDecisionTime = e0e3694c3ef7da01	c1b90d186718c09e492c9ae8e01bc83d_JaffaCakes118.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{F9932C3C-9694-446E-BCAD-F9D0361EFF47}\3a-43-01-d2-50-13	c1b90d186718c09e492c9ae8e01bc83d_JaffaCakes118.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\3a-43-01-d2-50-13\WpadDecisionTime = e0e3694c3ef7da01	c1b90d186718c09e492c9ae8e01bc83d_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0"	c1b90d186718c09e492c9ae8e01bc83d_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	c1b90d186718c09e492c9ae8e01bc83d_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "0"	c1b90d186718c09e492c9ae8e01bc83d_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "1"	c1b90d186718c09e492c9ae8e01bc83d_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	c1b90d186718c09e492c9ae8e01bc83d_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\3a-43-01-d2-50-13\WpadDecisionReason = "1"	c1b90d186718c09e492c9ae8e01bc83d_JaffaCakes118.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	c1b90d186718c09e492c9ae8e01bc83d_JaffaCakes118.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	c1b90d186718c09e492c9ae8e01bc83d_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\c1b90d186718c09e492c9ae8e01bc83d_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\c1b90d186718c09e492c9ae8e01bc83d_JaffaCakes118.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:2220
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:2112

C:\Users\Admin\AppData\Local\Temp\c1b90d186718c09e492c9ae8e01bc83d_JaffaCakes118.exe
C:\Users\Admin\AppData\Local\Temp\c1b90d186718c09e492c9ae8e01bc83d_JaffaCakes118.exe -m security
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:2760

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
67a42976c19c9a296a099aceb0396088

SHA1
0cd6aaa2a9dd21308e8c557d7b13870a627354fd

SHA256
bfe596b15905b66744ea471b3972b9915fcef02cf3301cb7504124ce661ef08b

SHA512
2b2ab45035005af604a2dce97a0bb86c863f35cf25984e9b11fe28b9ed08245c6598c3d8969432a564b940cf20ff83cb988d2f57ca4048ec4f11fb6b350f3222

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Analysis

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