wannacry | 132dd69d806b0b632bc8fd0eaa593df9422427ae96aab81760985dbbd1312844

General

Target

c56b1bae6db24a789be1fe6eceed0ef3_JaffaCakes118.exe
Size

3.6MB
MD5

c56b1bae6db24a789be1fe6eceed0ef3
SHA1

e91c3daa76d20ceca31891f408c3eee07c0f96ca
SHA256

132dd69d806b0b632bc8fd0eaa593df9422427ae96aab81760985dbbd1312844
SHA512

3a2a6de5f87b1385cbc2219c627ec276a33061a29a6ec499b874fe42c6b77794526d15f1385af14b7f086579347aed63891b4e9c36cbdc57922aa5387f6f6847
SSDEEP

49152:2nAQqMSPbcBVQeuRdhnvxJM0H9PAMEcaEau3R8:yDqPoBhidhvxWa9P593R8

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3328) 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
2812	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	c56b1bae6db24a789be1fe6eceed0ef3_JaffaCakes118.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\WINDOWS\tasksche.exe	c56b1bae6db24a789be1fe6eceed0ef3_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	c56b1bae6db24a789be1fe6eceed0ef3_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	c56b1bae6db24a789be1fe6eceed0ef3_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\AutoDetect = "1"	c56b1bae6db24a789be1fe6eceed0ef3_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	c56b1bae6db24a789be1fe6eceed0ef3_JaffaCakes118.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad	c56b1bae6db24a789be1fe6eceed0ef3_JaffaCakes118.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{0D7445F0-0C9B-4476-BE1B-727DD6AEF0C0}	c56b1bae6db24a789be1fe6eceed0ef3_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{0D7445F0-0C9B-4476-BE1B-727DD6AEF0C0}\WpadDecisionReason = "1"	c56b1bae6db24a789be1fe6eceed0ef3_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{0D7445F0-0C9B-4476-BE1B-727DD6AEF0C0}\WpadNetworkName = "Network 3"	c56b1bae6db24a789be1fe6eceed0ef3_JaffaCakes118.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	c56b1bae6db24a789be1fe6eceed0ef3_JaffaCakes118.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections	c56b1bae6db24a789be1fe6eceed0ef3_JaffaCakes118.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings	c56b1bae6db24a789be1fe6eceed0ef3_JaffaCakes118.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	c56b1bae6db24a789be1fe6eceed0ef3_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "0"	c56b1bae6db24a789be1fe6eceed0ef3_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	c56b1bae6db24a789be1fe6eceed0ef3_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{0D7445F0-0C9B-4476-BE1B-727DD6AEF0C0}\WpadDecision = "0"	c56b1bae6db24a789be1fe6eceed0ef3_JaffaCakes118.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\36-1b-f9-f6-10-b1	c56b1bae6db24a789be1fe6eceed0ef3_JaffaCakes118.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{0D7445F0-0C9B-4476-BE1B-727DD6AEF0C0}\36-1b-f9-f6-10-b1	c56b1bae6db24a789be1fe6eceed0ef3_JaffaCakes118.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	c56b1bae6db24a789be1fe6eceed0ef3_JaffaCakes118.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{0D7445F0-0C9B-4476-BE1B-727DD6AEF0C0}\WpadDecisionTime = 7027d76da8f8da01	c56b1bae6db24a789be1fe6eceed0ef3_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\36-1b-f9-f6-10-b1\WpadDecisionReason = "1"	c56b1bae6db24a789be1fe6eceed0ef3_JaffaCakes118.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\36-1b-f9-f6-10-b1\WpadDecisionTime = 7027d76da8f8da01	c56b1bae6db24a789be1fe6eceed0ef3_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\36-1b-f9-f6-10-b1\WpadDecision = "0"	c56b1bae6db24a789be1fe6eceed0ef3_JaffaCakes118.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	c56b1bae6db24a789be1fe6eceed0ef3_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0"	c56b1bae6db24a789be1fe6eceed0ef3_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	c56b1bae6db24a789be1fe6eceed0ef3_JaffaCakes118.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f0029000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	c56b1bae6db24a789be1fe6eceed0ef3_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\c56b1bae6db24a789be1fe6eceed0ef3_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\c56b1bae6db24a789be1fe6eceed0ef3_JaffaCakes118.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:1548
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:2812

C:\Users\Admin\AppData\Local\Temp\c56b1bae6db24a789be1fe6eceed0ef3_JaffaCakes118.exe
C:\Users\Admin\AppData\Local\Temp\c56b1bae6db24a789be1fe6eceed0ef3_JaffaCakes118.exe -m security
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:2648

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
3e7fccc380df8c877067d18cf93b1c46

SHA1
cad9260c2e9a3d7d752af318434790064cfa3f5f

SHA256
2343a255dadae2908a47150889679eff3608ce393c622dffecd28ca928082252

SHA512
7dc93fe853dcf89c3f1c94ffcbfad4d1883095fbc5424443e31308180a7ca30dae1720c708b6dc863a7b1dd6d07d90cde9c73434a4cf1114fcb8062499a9c007

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Analysis

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