wannacry | 6cb32f39e73eb93288ce5483fbb0c8c2eb3c0762dcbc1d09e5f37f07ddd9ba47

General

Target

2024-11-13_cf5ab85c061585acbcdbf232585585f4_wannacry.exe
Size

5.0MB
MD5

cf5ab85c061585acbcdbf232585585f4
SHA1

1486af9c1508df9d8a93800727667b14958e7965
SHA256

6cb32f39e73eb93288ce5483fbb0c8c2eb3c0762dcbc1d09e5f37f07ddd9ba47
SHA512

29e3f948aef815a3d236b3009dcf3e509d7c6cc35b6cf54261a524cc0d6ce7694c5659328e9e50ff4f1e96484ec9bc934602f78a313d98cdae925c7cb184ce85
SSDEEP

49152:2nAQqMSPbcBVQej/1INRx+TSqTdX1Hk1Rdhnv:yDqPoBhz1aRxcSUDkHdhv

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Wannacry family
wannacry
Contacts a large (3313) 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
3008	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	2024-11-13_cf5ab85c061585acbcdbf232585585f4_wannacry.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\WINDOWS\tasksche.exe	2024-11-13_cf5ab85c061585acbcdbf232585585f4_wannacry.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	2024-11-13_cf5ab85c061585acbcdbf232585585f4_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-11-13_cf5ab85c061585acbcdbf232585585f4_wannacry.exe

Modifies data under HKEY_USERS 24 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	2024-11-13_cf5ab85c061585acbcdbf232585585f4_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "0"	2024-11-13_cf5ab85c061585acbcdbf232585585f4_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "1"	2024-11-13_cf5ab85c061585acbcdbf232585585f4_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{C139CA58-755C-41C6-A7D9-75F6A9AEFDE4}	2024-11-13_cf5ab85c061585acbcdbf232585585f4_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\4e-f9-a0-3e-e5-31\WpadDecision = "0"	2024-11-13_cf5ab85c061585acbcdbf232585585f4_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections	2024-11-13_cf5ab85c061585acbcdbf232585585f4_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings	2024-11-13_cf5ab85c061585acbcdbf232585585f4_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-11-13_cf5ab85c061585acbcdbf232585585f4_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad	2024-11-13_cf5ab85c061585acbcdbf232585585f4_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{C139CA58-755C-41C6-A7D9-75F6A9AEFDE4}\WpadNetworkName = "Network 3"	2024-11-13_cf5ab85c061585acbcdbf232585585f4_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{C139CA58-755C-41C6-A7D9-75F6A9AEFDE4}\4e-f9-a0-3e-e5-31	2024-11-13_cf5ab85c061585acbcdbf232585585f4_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0"	2024-11-13_cf5ab85c061585acbcdbf232585585f4_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-11-13_cf5ab85c061585acbcdbf232585585f4_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	2024-11-13_cf5ab85c061585acbcdbf232585585f4_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{C139CA58-755C-41C6-A7D9-75F6A9AEFDE4}\WpadDecisionTime = 40f74e28da35db01	2024-11-13_cf5ab85c061585acbcdbf232585585f4_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\4e-f9-a0-3e-e5-31	2024-11-13_cf5ab85c061585acbcdbf232585585f4_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\4e-f9-a0-3e-e5-31\WpadDecisionReason = "1"	2024-11-13_cf5ab85c061585acbcdbf232585585f4_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\4e-f9-a0-3e-e5-31\WpadDecisionTime = 40f74e28da35db01	2024-11-13_cf5ab85c061585acbcdbf232585585f4_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-11-13_cf5ab85c061585acbcdbf232585585f4_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	2024-11-13_cf5ab85c061585acbcdbf232585585f4_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	2024-11-13_cf5ab85c061585acbcdbf232585585f4_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f019c000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-11-13_cf5ab85c061585acbcdbf232585585f4_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{C139CA58-755C-41C6-A7D9-75F6A9AEFDE4}\WpadDecisionReason = "1"	2024-11-13_cf5ab85c061585acbcdbf232585585f4_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{C139CA58-755C-41C6-A7D9-75F6A9AEFDE4}\WpadDecision = "0"	2024-11-13_cf5ab85c061585acbcdbf232585585f4_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-11-13_cf5ab85c061585acbcdbf232585585f4_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-11-13_cf5ab85c061585acbcdbf232585585f4_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:2860
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:3008

C:\Users\Admin\AppData\Local\Temp\2024-11-13_cf5ab85c061585acbcdbf232585585f4_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-11-13_cf5ab85c061585acbcdbf232585585f4_wannacry.exe -m security
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:2700

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

Loading Replay Monitor...

Downloads

C:\Windows\tasksche.exe

Filesize
3.4MB

MD5
2ad4acf7b46e1700bc3f0ffecae97a92

SHA1
b7b71970ad395e2b10c86b78d7f31ddaaaf954e9

SHA256
8323b79b4c746bbb1f4feb2dec28913f588d28dd92e0eb914f3fd7a8482af884

SHA512
07cc74a1958f1944a23a9461dcd88dc8351824f170e1025f4ec2ec97a4ee8fc66ee2e7901bdf8c48517aa5a81e4522fba8c1490175ed1be3ee222c6e04711075

Download Submit

Analysis

Sharing