wannacry | 9dd561359118dfd57c7b9ca084f2882ffe443d538624ea0d8d5167538a8e23d5

General

Target

dd80f14b55dc5305c8f58eb3a51922be_JaffaCakes118.exe
Size

3.6MB
MD5

dd80f14b55dc5305c8f58eb3a51922be
SHA1

380ae68ce68fdbb4105520dd61436104190ac9f2
SHA256

9dd561359118dfd57c7b9ca084f2882ffe443d538624ea0d8d5167538a8e23d5
SHA512

b34b85695b633e861c8694941becdb8c637c57aa02965a3939781edc0a24d04bf2ab9908114b98ac39cae68194fe517e18f3183ac59a8a6b9e807793a5227f78
SSDEEP

24576:XbLgddQhfdmMSirYbcMNgef0q1LJMfcH9PO6LLuYAMEcpcL7nEaut/8u:XnAQqMSPbcBVqxJM0H9PAMEcaEau3

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3235) 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
2920	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	dd80f14b55dc5305c8f58eb3a51922be_JaffaCakes118.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\WINDOWS\tasksche.exe	dd80f14b55dc5305c8f58eb3a51922be_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	dd80f14b55dc5305c8f58eb3a51922be_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	dd80f14b55dc5305c8f58eb3a51922be_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\{A6DE1134-556A-44FD-A4F3-9D64DAC19EFC}\WpadDecision = "0"	dd80f14b55dc5305c8f58eb3a51922be_JaffaCakes118.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{A6DE1134-556A-44FD-A4F3-9D64DAC19EFC}\82-f4-30-3a-9b-09	dd80f14b55dc5305c8f58eb3a51922be_JaffaCakes118.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections	dd80f14b55dc5305c8f58eb3a51922be_JaffaCakes118.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad	dd80f14b55dc5305c8f58eb3a51922be_JaffaCakes118.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f00ae000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	dd80f14b55dc5305c8f58eb3a51922be_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{A6DE1134-556A-44FD-A4F3-9D64DAC19EFC}\WpadDecisionReason = "1"	dd80f14b55dc5305c8f58eb3a51922be_JaffaCakes118.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{A6DE1134-556A-44FD-A4F3-9D64DAC19EFC}\WpadDecisionTime = 805430518605db01	dd80f14b55dc5305c8f58eb3a51922be_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	dd80f14b55dc5305c8f58eb3a51922be_JaffaCakes118.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\82-f4-30-3a-9b-09	dd80f14b55dc5305c8f58eb3a51922be_JaffaCakes118.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\82-f4-30-3a-9b-09\WpadDecisionTime = 805430518605db01	dd80f14b55dc5305c8f58eb3a51922be_JaffaCakes118.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	dd80f14b55dc5305c8f58eb3a51922be_JaffaCakes118.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings	dd80f14b55dc5305c8f58eb3a51922be_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0"	dd80f14b55dc5305c8f58eb3a51922be_JaffaCakes118.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	dd80f14b55dc5305c8f58eb3a51922be_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "1"	dd80f14b55dc5305c8f58eb3a51922be_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\82-f4-30-3a-9b-09\WpadDecision = "0"	dd80f14b55dc5305c8f58eb3a51922be_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{A6DE1134-556A-44FD-A4F3-9D64DAC19EFC}\WpadNetworkName = "Network 3"	dd80f14b55dc5305c8f58eb3a51922be_JaffaCakes118.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	dd80f14b55dc5305c8f58eb3a51922be_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "0"	dd80f14b55dc5305c8f58eb3a51922be_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	dd80f14b55dc5305c8f58eb3a51922be_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	dd80f14b55dc5305c8f58eb3a51922be_JaffaCakes118.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{A6DE1134-556A-44FD-A4F3-9D64DAC19EFC}	dd80f14b55dc5305c8f58eb3a51922be_JaffaCakes118.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	dd80f14b55dc5305c8f58eb3a51922be_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\82-f4-30-3a-9b-09\WpadDecisionReason = "1"	dd80f14b55dc5305c8f58eb3a51922be_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\dd80f14b55dc5305c8f58eb3a51922be_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\dd80f14b55dc5305c8f58eb3a51922be_JaffaCakes118.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:2520
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:2920

C:\Users\Admin\AppData\Local\Temp\dd80f14b55dc5305c8f58eb3a51922be_JaffaCakes118.exe
C:\Users\Admin\AppData\Local\Temp\dd80f14b55dc5305c8f58eb3a51922be_JaffaCakes118.exe -m security
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:2008

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
95fcda0fa11098afeaa3324608a062da

SHA1
2d62ed4d629ade9d785409791a74189b7ae6d7cb

SHA256
d1d314a4eb49d6605d059080a1f5c2f0fc58e78d57b8e4bc825d1a625f799727

SHA512
a1148f3e0de33bd9a263336c33445a3ce83e5cbf7436e563522bb69e1cefe21d2ee93714f790b495325c16e70d9944b31e90317df974ff276ba0d798fcb50366

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Analysis

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