wannacry | 069c4beccb86d69dd91dc153bfb63042156d1d5d215002a3471d278c25105bc1

General

Target

2024-08-31_2b49b13445e21852d9dfa48fadb3e7f9_wannacry.exe
Size

3.6MB
MD5

2b49b13445e21852d9dfa48fadb3e7f9
SHA1

3ef5a499e90730a1a59cf7e43ed1621c69ae172f
SHA256

069c4beccb86d69dd91dc153bfb63042156d1d5d215002a3471d278c25105bc1
SHA512

79b77c4db3f76296a50aa54287ba19ad771ed48020fc8c121b69caa0a3846ca4c78b8be08bcf4f2b6f2b7545b851d855eff8c5adf77328ec395b70c685cfc037
SSDEEP

98304:XDqPoBhz1aRxcSUDk36SAVvxWa9p593R8yAVp2HI:XDqPe1Cxcxk3ZAyaPzR8yc4HI

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3264) 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
2212	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	2024-08-31_2b49b13445e21852d9dfa48fadb3e7f9_wannacry.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\WINDOWS\tasksche.exe	2024-08-31_2b49b13445e21852d9dfa48fadb3e7f9_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	2024-08-31_2b49b13445e21852d9dfa48fadb3e7f9_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-08-31_2b49b13445e21852d9dfa48fadb3e7f9_wannacry.exe

Modifies data under HKEY_USERS 24 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{3BF7F99E-EA00-4901-9DB9-AC5E1107BC78}\9e-14-0f-1f-e1-04	2024-08-31_2b49b13445e21852d9dfa48fadb3e7f9_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-08-31_2b49b13445e21852d9dfa48fadb3e7f9_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings	2024-08-31_2b49b13445e21852d9dfa48fadb3e7f9_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f0076000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-08-31_2b49b13445e21852d9dfa48fadb3e7f9_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{3BF7F99E-EA00-4901-9DB9-AC5E1107BC78}\WpadDecisionReason = "1"	2024-08-31_2b49b13445e21852d9dfa48fadb3e7f9_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{3BF7F99E-EA00-4901-9DB9-AC5E1107BC78}\WpadDecision = "0"	2024-08-31_2b49b13445e21852d9dfa48fadb3e7f9_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\9e-14-0f-1f-e1-04	2024-08-31_2b49b13445e21852d9dfa48fadb3e7f9_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{3BF7F99E-EA00-4901-9DB9-AC5E1107BC78}\WpadDecisionTime = a0fcf0a1e3fbda01	2024-08-31_2b49b13445e21852d9dfa48fadb3e7f9_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{3BF7F99E-EA00-4901-9DB9-AC5E1107BC78}\WpadNetworkName = "Network 3"	2024-08-31_2b49b13445e21852d9dfa48fadb3e7f9_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-08-31_2b49b13445e21852d9dfa48fadb3e7f9_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-08-31_2b49b13445e21852d9dfa48fadb3e7f9_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "0"	2024-08-31_2b49b13445e21852d9dfa48fadb3e7f9_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "1"	2024-08-31_2b49b13445e21852d9dfa48fadb3e7f9_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad	2024-08-31_2b49b13445e21852d9dfa48fadb3e7f9_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{3BF7F99E-EA00-4901-9DB9-AC5E1107BC78}	2024-08-31_2b49b13445e21852d9dfa48fadb3e7f9_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\9e-14-0f-1f-e1-04\WpadDecisionReason = "1"	2024-08-31_2b49b13445e21852d9dfa48fadb3e7f9_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\9e-14-0f-1f-e1-04\WpadDecisionTime = a0fcf0a1e3fbda01	2024-08-31_2b49b13445e21852d9dfa48fadb3e7f9_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	2024-08-31_2b49b13445e21852d9dfa48fadb3e7f9_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	2024-08-31_2b49b13445e21852d9dfa48fadb3e7f9_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections	2024-08-31_2b49b13445e21852d9dfa48fadb3e7f9_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0"	2024-08-31_2b49b13445e21852d9dfa48fadb3e7f9_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	2024-08-31_2b49b13445e21852d9dfa48fadb3e7f9_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	2024-08-31_2b49b13445e21852d9dfa48fadb3e7f9_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\9e-14-0f-1f-e1-04\WpadDecision = "0"	2024-08-31_2b49b13445e21852d9dfa48fadb3e7f9_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-08-31_2b49b13445e21852d9dfa48fadb3e7f9_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-08-31_2b49b13445e21852d9dfa48fadb3e7f9_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:1656
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:2212

C:\Users\Admin\AppData\Local\Temp\2024-08-31_2b49b13445e21852d9dfa48fadb3e7f9_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-08-31_2b49b13445e21852d9dfa48fadb3e7f9_wannacry.exe -m security
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:2440

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
6ca3195f0e24912321277cfc20cc3b6c

SHA1
d871e04be352f05423ec54acc26e3df4b6a68363

SHA256
faa6cf366afcffa39c3797c29371dc7a871fa7f11ac73fbac40d81ab6df4d891

SHA512
7d49abc8d79da5a05b88702a8f8377db445769f3fd6441ab9f9108a34498275ef24d6fb56766ccbe1f0a9123c39b2fabe9681b0b011bb6ed9037f1ce93e8cb13

Download Submit

Analysis

Sharing