wannacry | 0f52571c0ecae900ecec1d3675562678eaff257b7c45cf2630d3076f1005e768

General

Target

eca40b7a3db3d35f1575bba318cddc18_JaffaCakes118.exe
Size

3.6MB
MD5

eca40b7a3db3d35f1575bba318cddc18
SHA1

5c9109c28f8ee858f379da48da779e59c9f4fa63
SHA256

0f52571c0ecae900ecec1d3675562678eaff257b7c45cf2630d3076f1005e768
SHA512

a359d725865a9fca4c4d9575ef167b462a4f63893f2107a6fea38ea087e27911ede47e45e4cbe83defe72e3a72ee22141d54724e3ffe9425cd3196d33a114557
SSDEEP

98304:XDqPoBhz1aRxcSUDk36SAEdhvxWa9P593R8yAVp2bC7:XDqPe1Cxcxk3ZAEUadzR8yc4U

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3274) 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
2948	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	eca40b7a3db3d35f1575bba318cddc18_JaffaCakes118.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\WINDOWS\tasksche.exe	eca40b7a3db3d35f1575bba318cddc18_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	eca40b7a3db3d35f1575bba318cddc18_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	eca40b7a3db3d35f1575bba318cddc18_JaffaCakes118.exe

Modifies data under HKEY_USERS 24 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	eca40b7a3db3d35f1575bba318cddc18_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0"	eca40b7a3db3d35f1575bba318cddc18_JaffaCakes118.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	eca40b7a3db3d35f1575bba318cddc18_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	eca40b7a3db3d35f1575bba318cddc18_JaffaCakes118.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f00cc000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	eca40b7a3db3d35f1575bba318cddc18_JaffaCakes118.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\36-ff-e6-ee-20-e8	eca40b7a3db3d35f1575bba318cddc18_JaffaCakes118.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{E8E0F582-A60E-487B-8966-2D9C001BF273}\36-ff-e6-ee-20-e8	eca40b7a3db3d35f1575bba318cddc18_JaffaCakes118.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections	eca40b7a3db3d35f1575bba318cddc18_JaffaCakes118.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	eca40b7a3db3d35f1575bba318cddc18_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	eca40b7a3db3d35f1575bba318cddc18_JaffaCakes118.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{E8E0F582-A60E-487B-8966-2D9C001BF273}	eca40b7a3db3d35f1575bba318cddc18_JaffaCakes118.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{E8E0F582-A60E-487B-8966-2D9C001BF273}\WpadDecisionTime = 0094eba4020bdb01	eca40b7a3db3d35f1575bba318cddc18_JaffaCakes118.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	eca40b7a3db3d35f1575bba318cddc18_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "0"	eca40b7a3db3d35f1575bba318cddc18_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "1"	eca40b7a3db3d35f1575bba318cddc18_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{E8E0F582-A60E-487B-8966-2D9C001BF273}\WpadDecisionReason = "1"	eca40b7a3db3d35f1575bba318cddc18_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{E8E0F582-A60E-487B-8966-2D9C001BF273}\WpadDecision = "0"	eca40b7a3db3d35f1575bba318cddc18_JaffaCakes118.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\36-ff-e6-ee-20-e8\WpadDecisionTime = 0094eba4020bdb01	eca40b7a3db3d35f1575bba318cddc18_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\36-ff-e6-ee-20-e8\WpadDecision = "0"	eca40b7a3db3d35f1575bba318cddc18_JaffaCakes118.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings	eca40b7a3db3d35f1575bba318cddc18_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	eca40b7a3db3d35f1575bba318cddc18_JaffaCakes118.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad	eca40b7a3db3d35f1575bba318cddc18_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{E8E0F582-A60E-487B-8966-2D9C001BF273}\WpadNetworkName = "Network 2"	eca40b7a3db3d35f1575bba318cddc18_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\36-ff-e6-ee-20-e8\WpadDecisionReason = "1"	eca40b7a3db3d35f1575bba318cddc18_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\eca40b7a3db3d35f1575bba318cddc18_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\eca40b7a3db3d35f1575bba318cddc18_JaffaCakes118.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:2492
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:2948

C:\Users\Admin\AppData\Local\Temp\eca40b7a3db3d35f1575bba318cddc18_JaffaCakes118.exe
C:\Users\Admin\AppData\Local\Temp\eca40b7a3db3d35f1575bba318cddc18_JaffaCakes118.exe -m security
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:2564

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
91fa7351595c35f5714efeedaf6f8c41

SHA1
2853412b31e22cb8f155b62421e3b934a259738a

SHA256
77e26681ff771508e6dc59107ddd1f87bbbb012513fd06e1c0331f2c6307ce3c

SHA512
fd8a7bed8147fd38f0cd11b15a5ee34b63c3b2a8c3f75d638a6a44a71f534de392b02a087f2bc502846796ea87c05182e39e2b4b199f5b86625996ed07239712

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Analysis

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